Android/frameworks_base
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
e32c30784191a9244a08450759471c934c85034c
frameworks_base/services/java/com/android/server/wm/WindowManagerService.java
Craig Mautner e32c307841 Separate out animations from layout. 
(Dianne) pulled the animation steps out of the layout. Changes to
exposed layers cause repeated calls to layout code.

Combined animation steps into start and finish animation code.

Change-Id: I3602d1d6249d20987d102a54e3a67a7a39361b55
2012-03-14 16:09:28 -07:00

10185 lines
418 KiB
Java
Raw Blame History

/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.wm;
import static android.view.WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.FIRST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.FLAG_BLUR_BEHIND;
import static android.view.WindowManager.LayoutParams.FLAG_COMPATIBLE_WINDOW;
import static android.view.WindowManager.LayoutParams.FLAG_DIM_BEHIND;
import static android.view.WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
import static android.view.WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;
import static android.view.WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM;
import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
import static android.view.WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
import static android.view.WindowManager.LayoutParams.LAST_SUB_WINDOW;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_BASE_APPLICATION;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG;
import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
import com.android.internal.app.IBatteryStats;
import com.android.internal.policy.PolicyManager;
import com.android.internal.policy.impl.PhoneWindowManager;
import com.android.internal.view.IInputContext;
import com.android.internal.view.IInputMethodClient;
import com.android.internal.view.IInputMethodManager;
import com.android.internal.view.WindowManagerPolicyThread;
import com.android.server.AttributeCache;
import com.android.server.EventLogTags;
import com.android.server.PowerManagerService;
import com.android.server.Watchdog;
import com.android.server.am.BatteryStatsService;
import android.Manifest;
import android.app.ActivityManagerNative;
import android.app.IActivityManager;
import android.app.StatusBarManager;
import android.app.admin.DevicePolicyManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.res.CompatibilityInfo;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.graphics.PixelFormat;
import android.graphics.Point;
import android.graphics.Rect;
import android.graphics.Region;
import android.os.BatteryStats;
import android.os.Binder;
import android.os.Bundle;
import android.os.Debug;
import android.os.Handler;
import android.os.IBinder;
import android.os.IRemoteCallback;
import android.os.LocalPowerManager;
import android.os.Looper;
import android.os.Message;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.os.Power;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.StrictMode;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.TokenWatcher;
import android.provider.Settings;
import android.util.DisplayMetrics;
import android.util.EventLog;
import android.util.Log;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseIntArray;
import android.util.TypedValue;
import android.view.Choreographer;
import android.view.Display;
import android.view.Gravity;
import android.view.IApplicationToken;
import android.view.IOnKeyguardExitResult;
import android.view.IRotationWatcher;
import android.view.IWindow;
import android.view.IWindowManager;
import android.view.IWindowSession;
import android.view.InputChannel;
import android.view.InputDevice;
import android.view.InputEvent;
import android.view.InputEventReceiver;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceSession;
import android.view.View;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
import android.view.WindowManagerPolicy;
import android.view.WindowManager.LayoutParams;
import android.view.WindowManagerPolicy.FakeWindow;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.view.animation.Transformation;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.Socket;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
/** {@hide} */
public class WindowManagerService extends IWindowManager.Stub
implements Watchdog.Monitor, WindowManagerPolicy.WindowManagerFuncs {
static final String TAG = "WindowManager";
static final boolean DEBUG = false;
static final boolean DEBUG_ADD_REMOVE = false;
static final boolean DEBUG_FOCUS = false;
static final boolean DEBUG_ANIM = false;
static final boolean DEBUG_LAYOUT = false;
static final boolean DEBUG_RESIZE = false;
static final boolean DEBUG_LAYERS = false;
static final boolean DEBUG_INPUT = false;
static final boolean DEBUG_INPUT_METHOD = false;
static final boolean DEBUG_VISIBILITY = false;
static final boolean DEBUG_WINDOW_MOVEMENT = false;
static final boolean DEBUG_TOKEN_MOVEMENT = false;
static final boolean DEBUG_ORIENTATION = false;
static final boolean DEBUG_APP_ORIENTATION = false;
static final boolean DEBUG_CONFIGURATION = false;
static final boolean DEBUG_APP_TRANSITIONS = false;
static final boolean DEBUG_STARTING_WINDOW = false;
static final boolean DEBUG_REORDER = false;
static final boolean DEBUG_WALLPAPER = false;
static final boolean DEBUG_DRAG = false;
static final boolean DEBUG_SCREEN_ON = false;
static final boolean DEBUG_SCREENSHOT = false;
static final boolean DEBUG_BOOT = false;
static final boolean SHOW_SURFACE_ALLOC = false;
static final boolean SHOW_TRANSACTIONS = false;
static final boolean SHOW_LIGHT_TRANSACTIONS = false || SHOW_TRANSACTIONS;
static final boolean HIDE_STACK_CRAWLS = true;
static final boolean PROFILE_ORIENTATION = false;
static final boolean BLUR = true;
static final boolean localLOGV = DEBUG;
/** How much to multiply the policy's type layer, to reserve room
* for multiple windows of the same type and Z-ordering adjustment
* with TYPE_LAYER_OFFSET. */
static final int TYPE_LAYER_MULTIPLIER = 10000;
/** Offset from TYPE_LAYER_MULTIPLIER for moving a group of windows above
* or below others in the same layer. */
static final int TYPE_LAYER_OFFSET = 1000;
/** How much to increment the layer for each window, to reserve room
* for effect surfaces between them.
*/
static final int WINDOW_LAYER_MULTIPLIER = 5;
/**
* Dim surface layer is immediately below target window.
*/
static final int LAYER_OFFSET_DIM = 1;
/**
* Blur surface layer is immediately below dim layer.
*/
static final int LAYER_OFFSET_BLUR = 2;
/**
* Layer at which to put the rotation freeze snapshot.
*/
static final int FREEZE_LAYER = (TYPE_LAYER_MULTIPLIER * 200) + 1;
/**
* Layer at which to put the mask for emulated screen sizes.
*/
static final int MASK_LAYER = TYPE_LAYER_MULTIPLIER * 200;
/** The maximum length we will accept for a loaded animation duration:
* this is 10 seconds.
*/
static final int MAX_ANIMATION_DURATION = 10*1000;
/** Amount of time (in milliseconds) to animate the dim surface from one
* value to another, when no window animation is driving it.
*/
static final int DEFAULT_DIM_DURATION = 200;
/** Amount of time (in milliseconds) to animate the fade-in-out transition for
* compatible windows.
*/
static final int DEFAULT_FADE_IN_OUT_DURATION = 400;
/**
* If true, the window manager will do its own custom freezing and general
* management of the screen during rotation.
*/
static final boolean CUSTOM_SCREEN_ROTATION = true;
// Maximum number of milliseconds to wait for input event injection.
// FIXME is this value reasonable?
private static final int INJECTION_TIMEOUT_MILLIS = 30 * 1000;
// Maximum number of milliseconds to wait for input devices to be enumerated before
// proceding with safe mode detection.
private static final int INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS = 1000;
// Default input dispatching timeout in nanoseconds.
static final long DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS = 5000 * 1000000L;
static final int UPDATE_FOCUS_NORMAL = 0;
static final int UPDATE_FOCUS_WILL_ASSIGN_LAYERS = 1;
static final int UPDATE_FOCUS_PLACING_SURFACES = 2;
static final int UPDATE_FOCUS_WILL_PLACE_SURFACES = 3;
private static final String SYSTEM_SECURE = "ro.secure";
private static final String SYSTEM_DEBUGGABLE = "ro.debuggable";
private static final String SYSTEM_HEADLESS = "ro.config.headless";
/**
* Condition waited on by {@link #reenableKeyguard} to know the call to
* the window policy has finished.
* This is set to true only if mKeyguardTokenWatcher.acquired() has
* actually disabled the keyguard.
*/
private boolean mKeyguardDisabled = false;
private final boolean mHeadless;
private static final int ALLOW_DISABLE_YES = 1;
private static final int ALLOW_DISABLE_NO = 0;
private static final int ALLOW_DISABLE_UNKNOWN = -1; // check with DevicePolicyManager
private int mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN; // sync'd by mKeyguardTokenWatcher
final TokenWatcher mKeyguardTokenWatcher = new TokenWatcher(
new Handler(), "WindowManagerService.mKeyguardTokenWatcher") {
@Override
public void acquired() {
if (shouldAllowDisableKeyguard()) {
mPolicy.enableKeyguard(false);
mKeyguardDisabled = true;
} else {
Log.v(TAG, "Not disabling keyguard since device policy is enforced");
}
}
@Override
public void released() {
mPolicy.enableKeyguard(true);
synchronized (mKeyguardTokenWatcher) {
mKeyguardDisabled = false;
mKeyguardTokenWatcher.notifyAll();
}
}
};
final BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
mPolicy.enableKeyguard(true);
synchronized(mKeyguardTokenWatcher) {
// lazily evaluate this next time we're asked to disable keyguard
mAllowDisableKeyguard = ALLOW_DISABLE_UNKNOWN;
mKeyguardDisabled = false;
}
}
};
final Context mContext;
final boolean mHaveInputMethods;
final boolean mAllowBootMessages;
final boolean mLimitedAlphaCompositing;
final WindowManagerPolicy mPolicy = PolicyManager.makeNewWindowManager();
final IActivityManager mActivityManager;
final IBatteryStats mBatteryStats;
/**
* All currently active sessions with clients.
*/
final HashSet<Session> mSessions = new HashSet<Session>();
/**
* Mapping from an IWindow IBinder to the server's Window object.
* This is also used as the lock for all of our state.
*/
final HashMap<IBinder, WindowState> mWindowMap = new HashMap<IBinder, WindowState>();
/**
* Mapping from a token IBinder to a WindowToken object.
*/
final HashMap<IBinder, WindowToken> mTokenMap =
new HashMap<IBinder, WindowToken>();
/**
* Window tokens that are in the process of exiting, but still
* on screen for animations.
*/
final ArrayList<WindowToken> mExitingTokens = new ArrayList<WindowToken>();
/**
* Z-ordered (bottom-most first) list of all application tokens, for
* controlling the ordering of windows in different applications. This
* contains AppWindowToken objects.
*/
final ArrayList<AppWindowToken> mAppTokens = new ArrayList<AppWindowToken>();
/**
* Application tokens that are in the process of exiting, but still
* on screen for animations.
*/
final ArrayList<AppWindowToken> mExitingAppTokens = new ArrayList<AppWindowToken>();
/**
* List of window tokens that have finished starting their application,
* and now need to have the policy remove their windows.
*/
final ArrayList<AppWindowToken> mFinishedStarting = new ArrayList<AppWindowToken>();
/**
* Z-ordered (bottom-most first) list of all Window objects.
*/
final ArrayList<WindowState> mWindows = new ArrayList<WindowState>();
/**
* Fake windows added to the window manager. Note: ordered from top to
* bottom, opposite of mWindows.
*/
final ArrayList<FakeWindowImpl> mFakeWindows = new ArrayList<FakeWindowImpl>();
/**
* Windows that are being resized. Used so we can tell the client about
* the resize after closing the transaction in which we resized the
* underlying surface.
*/
final ArrayList<WindowState> mResizingWindows = new ArrayList<WindowState>();
/**
* Windows whose animations have ended and now must be removed.
*/
final ArrayList<WindowState> mPendingRemove = new ArrayList<WindowState>();
/**
* Used when processing mPendingRemove to avoid working on the original array.
*/
WindowState[] mPendingRemoveTmp = new WindowState[20];
/**
* Windows whose surface should be destroyed.
*/
final ArrayList<WindowState> mDestroySurface = new ArrayList<WindowState>();
/**
* Windows that have lost input focus and are waiting for the new
* focus window to be displayed before they are told about this.
*/
ArrayList<WindowState> mLosingFocus = new ArrayList<WindowState>();
/**
* This is set when we have run out of memory, and will either be an empty
* list or contain windows that need to be force removed.
*/
ArrayList<WindowState> mForceRemoves;
/**
* Windows that clients are waiting to have drawn.
*/
ArrayList<Pair<WindowState, IRemoteCallback>> mWaitingForDrawn
= new ArrayList<Pair<WindowState, IRemoteCallback>>();
/**
* Used when rebuilding window list to keep track of windows that have
* been removed.
*/
WindowState[] mRebuildTmp = new WindowState[20];
IInputMethodManager mInputMethodManager;
SurfaceSession mFxSession;
private DimAnimator mDimAnimator = null;
Surface mBlurSurface;
boolean mBlurShown;
Watermark mWatermark;
StrictModeFlash mStrictModeFlash;
ScreenRotationAnimation mScreenRotationAnimation;
BlackFrame mBlackFrame;
int mTransactionSequence = 0;
final float[] mTmpFloats = new float[9];
boolean mSafeMode;
boolean mDisplayEnabled = false;
boolean mSystemBooted = false;
boolean mForceDisplayEnabled = false;
boolean mShowingBootMessages = false;
// This protects the following display size properties, so that
// getDisplaySize() doesn't need to acquire the global lock. This is
// needed because the window manager sometimes needs to use ActivityThread
// while it has its global state locked (for example to load animation
// resources), but the ActivityThread also needs get the current display
// size sometimes when it has its package lock held.
//
// These will only be modified with both mWindowMap and mDisplaySizeLock
// held (in that order) so the window manager doesn't need to acquire this
// lock when needing these values in its normal operation.
final Object mDisplaySizeLock = new Object();
int mInitialDisplayWidth = 0;
int mInitialDisplayHeight = 0;
int mBaseDisplayWidth = 0;
int mBaseDisplayHeight = 0;
int mCurDisplayWidth = 0;
int mCurDisplayHeight = 0;
int mAppDisplayWidth = 0;
int mAppDisplayHeight = 0;
int mRotation = 0;
int mForcedAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
boolean mAltOrientation = false;
ArrayList<IRotationWatcher> mRotationWatchers
= new ArrayList<IRotationWatcher>();
int mDeferredRotationPauseCount;
int mPendingLayoutChanges = 0;
boolean mLayoutNeeded = true;
boolean mTraversalScheduled = false;
boolean mDisplayFrozen = false;
boolean mWaitingForConfig = false;
boolean mWindowsFreezingScreen = false;
int mAppsFreezingScreen = 0;
int mLastWindowForcedOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
int mLayoutSeq = 0;
int mLastStatusBarVisibility = 0;
// State while inside of layoutAndPlaceSurfacesLocked().
boolean mFocusMayChange;
Configuration mCurConfiguration = new Configuration();
// This is held as long as we have the screen frozen, to give us time to
// perform a rotation animation when turning off shows the lock screen which
// changes the orientation.
PowerManager.WakeLock mScreenFrozenLock;
// State management of app transitions. When we are preparing for a
// transition, mNextAppTransition will be the kind of transition to
// perform or TRANSIT_NONE if we are not waiting. If we are waiting,
// mOpeningApps and mClosingApps are the lists of tokens that will be
// made visible or hidden at the next transition.
int mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
String mNextAppTransitionPackage;
int mNextAppTransitionEnter;
int mNextAppTransitionExit;
boolean mAppTransitionReady = false;
boolean mAppTransitionRunning = false;
boolean mAppTransitionTimeout = false;
boolean mStartingIconInTransition = false;
boolean mSkipAppTransitionAnimation = false;
final ArrayList<AppWindowToken> mOpeningApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mClosingApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mToTopApps = new ArrayList<AppWindowToken>();
final ArrayList<AppWindowToken> mToBottomApps = new ArrayList<AppWindowToken>();
Display mDisplay;
final DisplayMetrics mDisplayMetrics = new DisplayMetrics();
final DisplayMetrics mRealDisplayMetrics = new DisplayMetrics();
final DisplayMetrics mTmpDisplayMetrics = new DisplayMetrics();
final DisplayMetrics mCompatDisplayMetrics = new DisplayMetrics();
final H mH = new H();
final Choreographer mChoreographer = Choreographer.getInstance();
WindowState mCurrentFocus = null;
WindowState mLastFocus = null;
/** This just indicates the window the input method is on top of, not
* necessarily the window its input is going to. */
WindowState mInputMethodTarget = null;
/** If true hold off on modifying the animation layer of mInputMethodTarget */
boolean mInputMethodTargetWaitingAnim;
int mInputMethodAnimLayerAdjustment;
WindowState mInputMethodWindow = null;
final ArrayList<WindowState> mInputMethodDialogs = new ArrayList<WindowState>();
boolean mHardKeyboardAvailable;
boolean mHardKeyboardEnabled;
OnHardKeyboardStatusChangeListener mHardKeyboardStatusChangeListener;
final ArrayList<WindowToken> mWallpaperTokens = new ArrayList<WindowToken>();
// If non-null, this is the currently visible window that is associated
// with the wallpaper.
WindowState mWallpaperTarget = null;
// If non-null, we are in the middle of animating from one wallpaper target
// to another, and this is the lower one in Z-order.
WindowState mLowerWallpaperTarget = null;
// If non-null, we are in the middle of animating from one wallpaper target
// to another, and this is the higher one in Z-order.
WindowState mUpperWallpaperTarget = null;
// Window currently running an animation that has requested it be detached
// from the wallpaper. This means we need to ensure the wallpaper is
// visible behind it in case it animates in a way that would allow it to be
// seen.
WindowState mWindowDetachedWallpaper = null;
DimSurface mWindowAnimationBackgroundSurface = null;
int mWallpaperAnimLayerAdjustment;
float mLastWallpaperX = -1;
float mLastWallpaperY = -1;
float mLastWallpaperXStep = -1;
float mLastWallpaperYStep = -1;
// This is set when we are waiting for a wallpaper to tell us it is done
// changing its scroll position.
WindowState mWaitingOnWallpaper;
// The last time we had a timeout when waiting for a wallpaper.
long mLastWallpaperTimeoutTime;
// We give a wallpaper up to 150ms to finish scrolling.
static final long WALLPAPER_TIMEOUT = 150;
// Time we wait after a timeout before trying to wait again.
static final long WALLPAPER_TIMEOUT_RECOVERY = 10000;
AppWindowToken mFocusedApp = null;
PowerManagerService mPowerManager;
float mWindowAnimationScale = 1.0f;
float mTransitionAnimationScale = 1.0f;
float mAnimatorDurationScale = 1.0f;
final InputManager mInputManager;
// Who is holding the screen on.
Session mHoldingScreenOn;
PowerManager.WakeLock mHoldingScreenWakeLock;
boolean mTurnOnScreen;
DragState mDragState = null;
/** Pulled out of performLayoutAndPlaceSurfacesLockedInner in order to refactor into multiple
* methods. */
private class LayoutAndSurfaceFields {
private boolean mAnimating = false;
private boolean mWallpaperForceHidingChanged = false;
private boolean mTokenMayBeDrawn = false;
private boolean mWallpaperMayChange = false;
private boolean mForceHiding = false;
private WindowState mDetachedWallpaper = null;
private WindowState mWindowAnimationBackground = null;
private int mWindowAnimationBackgroundColor = 0;
private boolean mOrientationChangeComplete = true;
private int mAdjResult = 0;
private Session mHoldScreen = null;
private boolean mObscured = false;
private boolean mBlurring = false;
private boolean mDimming = false;
private boolean mSyswin = false;
private float mScreenBrightness = -1;
private float mButtonBrightness = -1;
private boolean mUpdateRotation = false;
}
private LayoutAndSurfaceFields mInnerFields = new LayoutAndSurfaceFields();
private final class AnimationRunnable implements Runnable {
@Override
public void run() {
synchronized(mWindowMap) {
mAnimationScheduled = false;
performLayoutAndPlaceSurfacesLocked();
}
}
}
final AnimationRunnable mAnimationRunnable = new AnimationRunnable();
boolean mAnimationScheduled;
final class DragInputEventReceiver extends InputEventReceiver {
public DragInputEventReceiver(InputChannel inputChannel, Looper looper) {
super(inputChannel, looper);
}
@Override
public void onInputEvent(InputEvent event) {
boolean handled = false;
try {
if (event instanceof MotionEvent
&& (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0
&& mDragState != null) {
final MotionEvent motionEvent = (MotionEvent)event;
boolean endDrag = false;
final float newX = motionEvent.getRawX();
final float newY = motionEvent.getRawY();
switch (motionEvent.getAction()) {
case MotionEvent.ACTION_DOWN: {
if (DEBUG_DRAG) {
Slog.w(TAG, "Unexpected ACTION_DOWN in drag layer");
}
} break;
case MotionEvent.ACTION_MOVE: {
synchronized (mWindowMap) {
// move the surface and tell the involved window(s) where we are
mDragState.notifyMoveLw(newX, newY);
}
} break;
case MotionEvent.ACTION_UP: {
if (DEBUG_DRAG) Slog.d(TAG, "Got UP on move channel; dropping at "
+ newX + "," + newY);
synchronized (mWindowMap) {
endDrag = mDragState.notifyDropLw(newX, newY);
}
} break;
case MotionEvent.ACTION_CANCEL: {
if (DEBUG_DRAG) Slog.d(TAG, "Drag cancelled!");
endDrag = true;
} break;
}
if (endDrag) {
if (DEBUG_DRAG) Slog.d(TAG, "Drag ended; tearing down state");
// tell all the windows that the drag has ended
synchronized (mWindowMap) {
mDragState.endDragLw();
}
}
handled = true;
}
} catch (Exception e) {
Slog.e(TAG, "Exception caught by drag handleMotion", e);
} finally {
finishInputEvent(event, handled);
}
}
}
/**
* Whether the UI is currently running in touch mode (not showing
* navigational focus because the user is directly pressing the screen).
*/
boolean mInTouchMode = true;
private ViewServer mViewServer;
private ArrayList<WindowChangeListener> mWindowChangeListeners =
new ArrayList<WindowChangeListener>();
private boolean mWindowsChanged = false;
public interface WindowChangeListener {
public void windowsChanged();
public void focusChanged();
}
final Configuration mTempConfiguration = new Configuration();
// The desired scaling factor for compatible apps.
float mCompatibleScreenScale;
public static WindowManagerService main(Context context,
PowerManagerService pm, boolean haveInputMethods, boolean allowBootMsgs) {
WMThread thr = new WMThread(context, pm, haveInputMethods, allowBootMsgs);
thr.start();
synchronized (thr) {
while (thr.mService == null) {
try {
thr.wait();
} catch (InterruptedException e) {
}
}
return thr.mService;
}
}
static class WMThread extends Thread {
WindowManagerService mService;
private final Context mContext;
private final PowerManagerService mPM;
private final boolean mHaveInputMethods;
private final boolean mAllowBootMessages;
public WMThread(Context context, PowerManagerService pm,
boolean haveInputMethods, boolean allowBootMsgs) {
super("WindowManager");
mContext = context;
mPM = pm;
mHaveInputMethods = haveInputMethods;
mAllowBootMessages = allowBootMsgs;
}
public void run() {
Looper.prepare();
WindowManagerService s = new WindowManagerService(mContext, mPM,
mHaveInputMethods, mAllowBootMessages);
android.os.Process.setThreadPriority(
android.os.Process.THREAD_PRIORITY_DISPLAY);
android.os.Process.setCanSelfBackground(false);
synchronized (this) {
mService = s;
notifyAll();
}
// For debug builds, log event loop stalls to dropbox for analysis.
if (StrictMode.conditionallyEnableDebugLogging()) {
Slog.i(TAG, "Enabled StrictMode logging for WMThread's Looper");
}
Looper.loop();
}
}
static class PolicyThread extends Thread {
private final WindowManagerPolicy mPolicy;
private final WindowManagerService mService;
private final Context mContext;
private final PowerManagerService mPM;
boolean mRunning = false;
public PolicyThread(WindowManagerPolicy policy,
WindowManagerService service, Context context,
PowerManagerService pm) {
super("WindowManagerPolicy");
mPolicy = policy;
mService = service;
mContext = context;
mPM = pm;
}
public void run() {
Looper.prepare();
WindowManagerPolicyThread.set(this, Looper.myLooper());
//Looper.myLooper().setMessageLogging(new LogPrinter(
// Log.VERBOSE, "WindowManagerPolicy", Log.LOG_ID_SYSTEM));
android.os.Process.setThreadPriority(
android.os.Process.THREAD_PRIORITY_FOREGROUND);
android.os.Process.setCanSelfBackground(false);
mPolicy.init(mContext, mService, mService, mPM);
synchronized (this) {
mRunning = true;
notifyAll();
}
// For debug builds, log event loop stalls to dropbox for analysis.
if (StrictMode.conditionallyEnableDebugLogging()) {
Slog.i(TAG, "Enabled StrictMode for PolicyThread's Looper");
}
Looper.loop();
}
}
private WindowManagerService(Context context, PowerManagerService pm,
boolean haveInputMethods, boolean showBootMsgs) {
mContext = context;
mHaveInputMethods = haveInputMethods;
mAllowBootMessages = showBootMsgs;
mLimitedAlphaCompositing = context.getResources().getBoolean(
com.android.internal.R.bool.config_sf_limitedAlpha);
mHeadless = "1".equals(SystemProperties.get(SYSTEM_HEADLESS, "0"));
mPowerManager = pm;
mPowerManager.setPolicy(mPolicy);
PowerManager pmc = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
mScreenFrozenLock = pmc.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
"SCREEN_FROZEN");
mScreenFrozenLock.setReferenceCounted(false);
mActivityManager = ActivityManagerNative.getDefault();
mBatteryStats = BatteryStatsService.getService();
// Get persisted window scale setting
mWindowAnimationScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
mTransitionAnimationScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
mAnimatorDurationScale = Settings.System.getFloat(context.getContentResolver(),
Settings.System.ANIMATOR_DURATION_SCALE, mTransitionAnimationScale);
// Track changes to DevicePolicyManager state so we can enable/disable keyguard.
IntentFilter filter = new IntentFilter();
filter.addAction(DevicePolicyManager.ACTION_DEVICE_POLICY_MANAGER_STATE_CHANGED);
mContext.registerReceiver(mBroadcastReceiver, filter);
mHoldingScreenWakeLock = pmc.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK,
"KEEP_SCREEN_ON_FLAG");
mHoldingScreenWakeLock.setReferenceCounted(false);
mInputManager = new InputManager(context, this);
PolicyThread thr = new PolicyThread(mPolicy, this, context, pm);
thr.start();
synchronized (thr) {
while (!thr.mRunning) {
try {
thr.wait();
} catch (InterruptedException e) {
}
}
}
mInputManager.start();
// Add ourself to the Watchdog monitors.
Watchdog.getInstance().addMonitor(this);
}
@Override
public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
throws RemoteException {
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
// The window manager only throws security exceptions, so let's
// log all others.
if (!(e instanceof SecurityException)) {
Log.wtf(TAG, "Window Manager Crash", e);
}
throw e;
}
}
private void placeWindowAfter(WindowState pos, WindowState window) {
final int i = mWindows.indexOf(pos);
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
TAG, "Adding window " + window + " at "
+ (i+1) + " of " + mWindows.size() + " (after " + pos + ")");
mWindows.add(i+1, window);
mWindowsChanged = true;
}
private void placeWindowBefore(WindowState pos, WindowState window) {
final int i = mWindows.indexOf(pos);
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
TAG, "Adding window " + window + " at "
+ i + " of " + mWindows.size() + " (before " + pos + ")");
mWindows.add(i, window);
mWindowsChanged = true;
}
//This method finds out the index of a window that has the same app token as
//win. used for z ordering the windows in mWindows
private int findIdxBasedOnAppTokens(WindowState win) {
//use a local variable to cache mWindows
ArrayList<WindowState> localmWindows = mWindows;
int jmax = localmWindows.size();
if(jmax == 0) {
return -1;
}
for(int j = (jmax-1); j >= 0; j--) {
WindowState wentry = localmWindows.get(j);
if(wentry.mAppToken == win.mAppToken) {
return j;
}
}
return -1;
}
private void addWindowToListInOrderLocked(WindowState win, boolean addToToken) {
final IWindow client = win.mClient;
final WindowToken token = win.mToken;
final ArrayList<WindowState> localmWindows = mWindows;
final int N = localmWindows.size();
final WindowState attached = win.mAttachedWindow;
int i;
if (attached == null) {
int tokenWindowsPos = token.windows.size();
if (token.appWindowToken != null) {
int index = tokenWindowsPos-1;
if (index >= 0) {
// If this application has existing windows, we
// simply place the new window on top of them... but
// keep the starting window on top.
if (win.mAttrs.type == TYPE_BASE_APPLICATION) {
// Base windows go behind everything else.
placeWindowBefore(token.windows.get(0), win);
tokenWindowsPos = 0;
} else {
AppWindowToken atoken = win.mAppToken;
if (atoken != null &&
token.windows.get(index) == atoken.startingWindow) {
placeWindowBefore(token.windows.get(index), win);
tokenWindowsPos--;
} else {
int newIdx = findIdxBasedOnAppTokens(win);
if(newIdx != -1) {
//there is a window above this one associated with the same
//apptoken note that the window could be a floating window
//that was created later or a window at the top of the list of
//windows associated with this token.
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) {
Slog.v(TAG, "Adding window " + win + " at "
+ (newIdx+1) + " of " + N);
}
localmWindows.add(newIdx+1, win);
mWindowsChanged = true;
}
}
}
} else {
if (localLOGV) Slog.v(
TAG, "Figuring out where to add app window "
+ client.asBinder() + " (token=" + token + ")");
// Figure out where the window should go, based on the
// order of applications.
final int NA = mAppTokens.size();
WindowState pos = null;
for (i=NA-1; i>=0; i--) {
AppWindowToken t = mAppTokens.get(i);
if (t == token) {
i--;
break;
}
// We haven't reached the token yet; if this token
// is not going to the bottom and has windows, we can
// use it as an anchor for when we do reach the token.
if (!t.sendingToBottom && t.windows.size() > 0) {
pos = t.windows.get(0);
}
}
// We now know the index into the apps. If we found
// an app window above, that gives us the position; else
// we need to look some more.
if (pos != null) {
// Move behind any windows attached to this one.
WindowToken atoken = mTokenMap.get(pos.mClient.asBinder());
if (atoken != null) {
final int NC = atoken.windows.size();
if (NC > 0) {
WindowState bottom = atoken.windows.get(0);
if (bottom.mSubLayer < 0) {
pos = bottom;
}
}
}
placeWindowBefore(pos, win);
} else {
// Continue looking down until we find the first
// token that has windows.
while (i >= 0) {
AppWindowToken t = mAppTokens.get(i);
final int NW = t.windows.size();
if (NW > 0) {
pos = t.windows.get(NW-1);
break;
}
i--;
}
if (pos != null) {
// Move in front of any windows attached to this
// one.
WindowToken atoken = mTokenMap.get(pos.mClient.asBinder());
if (atoken != null) {
final int NC = atoken.windows.size();
if (NC > 0) {
WindowState top = atoken.windows.get(NC-1);
if (top.mSubLayer >= 0) {
pos = top;
}
}
}
placeWindowAfter(pos, win);
} else {
// Just search for the start of this layer.
final int myLayer = win.mBaseLayer;
for (i=0; i<N; i++) {
WindowState w = localmWindows.get(i);
if (w.mBaseLayer > myLayer) {
break;
}
}
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) {
Slog.v(TAG, "Adding window " + win + " at "
+ i + " of " + N);
}
localmWindows.add(i, win);
mWindowsChanged = true;
}
}
}
} else {
// Figure out where window should go, based on layer.
final int myLayer = win.mBaseLayer;
for (i=N-1; i>=0; i--) {
if (localmWindows.get(i).mBaseLayer <= myLayer) {
i++;
break;
}
}
if (i < 0) i = 0;
if (DEBUG_FOCUS || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
TAG, "Adding window " + win + " at "
+ i + " of " + N);
localmWindows.add(i, win);
mWindowsChanged = true;
}
if (addToToken) {
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
token.windows.add(tokenWindowsPos, win);
}
} else {
// Figure out this window's ordering relative to the window
// it is attached to.
final int NA = token.windows.size();
final int sublayer = win.mSubLayer;
int largestSublayer = Integer.MIN_VALUE;
WindowState windowWithLargestSublayer = null;
for (i=0; i<NA; i++) {
WindowState w = token.windows.get(i);
final int wSublayer = w.mSubLayer;
if (wSublayer >= largestSublayer) {
largestSublayer = wSublayer;
windowWithLargestSublayer = w;
}
if (sublayer < 0) {
// For negative sublayers, we go below all windows
// in the same sublayer.
if (wSublayer >= sublayer) {
if (addToToken) {
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
token.windows.add(i, win);
}
placeWindowBefore(
wSublayer >= 0 ? attached : w, win);
break;
}
} else {
// For positive sublayers, we go above all windows
// in the same sublayer.
if (wSublayer > sublayer) {
if (addToToken) {
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
token.windows.add(i, win);
}
placeWindowBefore(w, win);
break;
}
}
}
if (i >= NA) {
if (addToToken) {
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Adding " + win + " to " + token);
token.windows.add(win);
}
if (sublayer < 0) {
placeWindowBefore(attached, win);
} else {
placeWindowAfter(largestSublayer >= 0
? windowWithLargestSublayer
: attached,
win);
}
}
}
if (win.mAppToken != null && addToToken) {
win.mAppToken.allAppWindows.add(win);
}
}
static boolean canBeImeTarget(WindowState w) {
final int fl = w.mAttrs.flags
& (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM);
if (fl == 0 || fl == (FLAG_NOT_FOCUSABLE|FLAG_ALT_FOCUSABLE_IM)
|| w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING) {
if (DEBUG_INPUT_METHOD) {
Slog.i(TAG, "isVisibleOrAdding " + w + ": " + w.isVisibleOrAdding());
if (!w.isVisibleOrAdding()) {
Slog.i(TAG, " mSurface=" + w.mSurface + " reportDestroy=" + w.mReportDestroySurface
+ " relayoutCalled=" + w.mRelayoutCalled + " viewVis=" + w.mViewVisibility
+ " policyVis=" + w.mPolicyVisibility + " attachHid=" + w.mAttachedHidden
+ " exiting=" + w.mExiting + " destroying=" + w.mDestroying);
if (w.mAppToken != null) {
Slog.i(TAG, " mAppToken.hiddenRequested=" + w.mAppToken.hiddenRequested);
}
}
}
return w.isVisibleOrAdding();
}
return false;
}
/**
* Dig through the WindowStates and find the one that the Input Method will target.
* @param willMove
* @return The index+1 in mWindows of the discovered target.
*/
int findDesiredInputMethodWindowIndexLocked(boolean willMove) {
final ArrayList<WindowState> localmWindows = mWindows;
final int N = localmWindows.size();
WindowState w = null;
int i = N;
while (i > 0) {
i--;
w = localmWindows.get(i);
if (DEBUG_INPUT_METHOD && willMove) Slog.i(TAG, "Checking window @" + i
+ " " + w + " fl=0x" + Integer.toHexString(w.mAttrs.flags));
if (canBeImeTarget(w)) {
//Slog.i(TAG, "Putting input method here!");
// Yet more tricksyness! If this window is a "starting"
// window, we do actually want to be on top of it, but
// it is not -really- where input will go. So if the caller
// is not actually looking to move the IME, look down below
// for a real window to target...
if (!willMove
&& w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION_STARTING
&& i > 0) {
WindowState wb = localmWindows.get(i-1);
if (wb.mAppToken == w.mAppToken && canBeImeTarget(wb)) {
i--;
w = wb;
}
}
break;
}
}
// Now w is either mWindows[0] or an IME (or null if mWindows is empty).
if (DEBUG_INPUT_METHOD && willMove) Slog.v(TAG, "Proposed new IME target: " + w);
// Now, a special case -- if the last target's window is in the
// process of exiting, and is above the new target, keep on the
// last target to avoid flicker. Consider for example a Dialog with
// the IME shown: when the Dialog is dismissed, we want to keep
// the IME above it until it is completely gone so it doesn't drop
// behind the dialog or its full-screen scrim.
if (mInputMethodTarget != null && w != null
&& mInputMethodTarget.isDisplayedLw()
&& mInputMethodTarget.mExiting) {
if (mInputMethodTarget.mAnimLayer > w.mAnimLayer) {
w = mInputMethodTarget;
i = localmWindows.indexOf(w);
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Current target higher, switching to: " + w);
}
}
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Desired input method target="
+ w + " willMove=" + willMove);
if (willMove && w != null) {
final WindowState curTarget = mInputMethodTarget;
if (curTarget != null && curTarget.mAppToken != null) {
// Now some fun for dealing with window animations that
// modify the Z order. We need to look at all windows below
// the current target that are in this app, finding the highest
// visible one in layering.
AppWindowToken token = curTarget.mAppToken;
WindowState highestTarget = null;
int highestPos = 0;
if (token.animating || token.animation != null) {
int pos = localmWindows.indexOf(curTarget);
while (pos >= 0) {
WindowState win = localmWindows.get(pos);
if (win.mAppToken != token) {
break;
}
if (!win.mRemoved) {
if (highestTarget == null || win.mAnimLayer >
highestTarget.mAnimLayer) {
highestTarget = win;
highestPos = pos;
}
}
pos--;
}
}
if (highestTarget != null) {
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "mNextAppTransition="
+ mNextAppTransition + " " + highestTarget
+ " animating=" + highestTarget.isAnimating()
+ " layer=" + highestTarget.mAnimLayer
+ " new layer=" + w.mAnimLayer);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// If we are currently setting up for an animation,
// hold everything until we can find out what will happen.
mInputMethodTargetWaitingAnim = true;
mInputMethodTarget = highestTarget;
return highestPos + 1;
} else if (highestTarget.isAnimating() &&
highestTarget.mAnimLayer > w.mAnimLayer) {
// If the window we are currently targeting is involved
// with an animation, and it is on top of the next target
// we will be over, then hold off on moving until
// that is done.
mInputMethodTargetWaitingAnim = true;
mInputMethodTarget = highestTarget;
return highestPos + 1;
}
}
}
}
//Slog.i(TAG, "Placing input method @" + (i+1));
if (w != null) {
if (willMove) {
if (DEBUG_INPUT_METHOD) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.w(TAG, "Moving IM target from "
+ mInputMethodTarget + " to " + w, e);
}
mInputMethodTarget = w;
mInputMethodTargetWaitingAnim = false;
if (w.mAppToken != null) {
setInputMethodAnimLayerAdjustment(w.mAppToken.animLayerAdjustment);
} else {
setInputMethodAnimLayerAdjustment(0);
}
}
return i+1;
}
if (willMove) {
if (DEBUG_INPUT_METHOD) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.w(TAG, "Moving IM target from "
+ mInputMethodTarget + " to null", e);
}
mInputMethodTarget = null;
setInputMethodAnimLayerAdjustment(0);
}
return -1;
}
void addInputMethodWindowToListLocked(WindowState win) {
int pos = findDesiredInputMethodWindowIndexLocked(true);
if (pos >= 0) {
win.mTargetAppToken = mInputMethodTarget.mAppToken;
if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(
TAG, "Adding input method window " + win + " at " + pos);
mWindows.add(pos, win);
mWindowsChanged = true;
moveInputMethodDialogsLocked(pos+1);
return;
}
win.mTargetAppToken = null;
addWindowToListInOrderLocked(win, true);
moveInputMethodDialogsLocked(pos);
}
void setInputMethodAnimLayerAdjustment(int adj) {
if (DEBUG_LAYERS) Slog.v(TAG, "Setting im layer adj to " + adj);
mInputMethodAnimLayerAdjustment = adj;
WindowState imw = mInputMethodWindow;
if (imw != null) {
imw.mAnimLayer = imw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ " anim layer: " + imw.mAnimLayer);
int wi = imw.mChildWindows.size();
while (wi > 0) {
wi--;
WindowState cw = imw.mChildWindows.get(wi);
cw.mAnimLayer = cw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + cw
+ " anim layer: " + cw.mAnimLayer);
}
}
int di = mInputMethodDialogs.size();
while (di > 0) {
di --;
imw = mInputMethodDialogs.get(di);
imw.mAnimLayer = imw.mLayer + adj;
if (DEBUG_LAYERS) Slog.v(TAG, "IM win " + imw
+ " anim layer: " + imw.mAnimLayer);
}
}
private int tmpRemoveWindowLocked(int interestingPos, WindowState win) {
int wpos = mWindows.indexOf(win);
if (wpos >= 0) {
if (wpos < interestingPos) interestingPos--;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing at " + wpos + ": " + win);
mWindows.remove(wpos);
mWindowsChanged = true;
int NC = win.mChildWindows.size();
while (NC > 0) {
NC--;
WindowState cw = win.mChildWindows.get(NC);
int cpos = mWindows.indexOf(cw);
if (cpos >= 0) {
if (cpos < interestingPos) interestingPos--;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Temp removing child at "
+ cpos + ": " + cw);
mWindows.remove(cpos);
}
}
}
return interestingPos;
}
private void reAddWindowToListInOrderLocked(WindowState win) {
addWindowToListInOrderLocked(win, false);
// This is a hack to get all of the child windows added as well
// at the right position. Child windows should be rare and
// this case should be rare, so it shouldn't be that big a deal.
int wpos = mWindows.indexOf(win);
if (wpos >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "ReAdd removing from " + wpos
+ ": " + win);
mWindows.remove(wpos);
mWindowsChanged = true;
reAddWindowLocked(wpos, win);
}
}
void logWindowList(String prefix) {
int N = mWindows.size();
while (N > 0) {
N--;
Slog.v(TAG, prefix + "#" + N + ": " + mWindows.get(N));
}
}
void moveInputMethodDialogsLocked(int pos) {
ArrayList<WindowState> dialogs = mInputMethodDialogs;
final int N = dialogs.size();
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Removing " + N + " dialogs w/pos=" + pos);
for (int i=0; i<N; i++) {
pos = tmpRemoveWindowLocked(pos, dialogs.get(i));
}
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Window list w/pos=" + pos);
logWindowList(" ");
}
if (pos >= 0) {
final AppWindowToken targetAppToken = mInputMethodTarget.mAppToken;
if (pos < mWindows.size()) {
WindowState wp = mWindows.get(pos);
if (wp == mInputMethodWindow) {
pos++;
}
}
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Adding " + N + " dialogs at pos=" + pos);
for (int i=0; i<N; i++) {
WindowState win = dialogs.get(i);
win.mTargetAppToken = targetAppToken;
pos = reAddWindowLocked(pos, win);
}
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Final window list:");
logWindowList(" ");
}
return;
}
for (int i=0; i<N; i++) {
WindowState win = dialogs.get(i);
win.mTargetAppToken = null;
reAddWindowToListInOrderLocked(win);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "No IM target, final list:");
logWindowList(" ");
}
}
}
boolean moveInputMethodWindowsIfNeededLocked(boolean needAssignLayers) {
final WindowState imWin = mInputMethodWindow;
final int DN = mInputMethodDialogs.size();
if (imWin == null && DN == 0) {
return false;
}
int imPos = findDesiredInputMethodWindowIndexLocked(true);
if (imPos >= 0) {
// In this case, the input method windows are to be placed
// immediately above the window they are targeting.
// First check to see if the input method windows are already
// located here, and contiguous.
final int N = mWindows.size();
WindowState firstImWin = imPos < N
? mWindows.get(imPos) : null;
// Figure out the actual input method window that should be
// at the bottom of their stack.
WindowState baseImWin = imWin != null
? imWin : mInputMethodDialogs.get(0);
if (baseImWin.mChildWindows.size() > 0) {
WindowState cw = baseImWin.mChildWindows.get(0);
if (cw.mSubLayer < 0) baseImWin = cw;
}
if (firstImWin == baseImWin) {
// The windows haven't moved... but are they still contiguous?
// First find the top IM window.
int pos = imPos+1;
while (pos < N) {
if (!(mWindows.get(pos)).mIsImWindow) {
break;
}
pos++;
}
pos++;
// Now there should be no more input method windows above.
while (pos < N) {
if ((mWindows.get(pos)).mIsImWindow) {
break;
}
pos++;
}
if (pos >= N) {
// All is good!
return false;
}
}
if (imWin != null) {
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "Moving IM from " + imPos);
logWindowList(" ");
}
imPos = tmpRemoveWindowLocked(imPos, imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List after removing with new pos " + imPos + ":");
logWindowList(" ");
}
imWin.mTargetAppToken = mInputMethodTarget.mAppToken;
reAddWindowLocked(imPos, imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List after moving IM to " + imPos + ":");
logWindowList(" ");
}
if (DN > 0) moveInputMethodDialogsLocked(imPos+1);
} else {
moveInputMethodDialogsLocked(imPos);
}
} else {
// In this case, the input method windows go in a fixed layer,
// because they aren't currently associated with a focus window.
if (imWin != null) {
if (DEBUG_INPUT_METHOD) Slog.v(TAG, "Moving IM from " + imPos);
tmpRemoveWindowLocked(0, imWin);
imWin.mTargetAppToken = null;
reAddWindowToListInOrderLocked(imWin);
if (DEBUG_INPUT_METHOD) {
Slog.v(TAG, "List with no IM target:");
logWindowList(" ");
}
if (DN > 0) moveInputMethodDialogsLocked(-1);;
} else {
moveInputMethodDialogsLocked(-1);;
}
}
if (needAssignLayers) {
assignLayersLocked();
}
return true;
}
void adjustInputMethodDialogsLocked() {
moveInputMethodDialogsLocked(findDesiredInputMethodWindowIndexLocked(true));
}
final boolean isWallpaperVisible(WindowState wallpaperTarget) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper vis: target " + wallpaperTarget + ", obscured="
+ (wallpaperTarget != null ? Boolean.toString(wallpaperTarget.mObscured) : "??")
+ " anim=" + ((wallpaperTarget != null && wallpaperTarget.mAppToken != null)
? wallpaperTarget.mAppToken.animation : null)
+ " upper=" + mUpperWallpaperTarget
+ " lower=" + mLowerWallpaperTarget);
return (wallpaperTarget != null
&& (!wallpaperTarget.mObscured || (wallpaperTarget.mAppToken != null
&& wallpaperTarget.mAppToken.animation != null)))
|| mUpperWallpaperTarget != null
|| mLowerWallpaperTarget != null;
}
static final int ADJUST_WALLPAPER_LAYERS_CHANGED = 1<<1;
static final int ADJUST_WALLPAPER_VISIBILITY_CHANGED = 1<<2;
int adjustWallpaperWindowsLocked() {
int changed = 0;
final int dw = mAppDisplayWidth;
final int dh = mAppDisplayHeight;
// First find top-most window that has asked to be on top of the
// wallpaper; all wallpapers go behind it.
final ArrayList<WindowState> localmWindows = mWindows;
int N = localmWindows.size();
WindowState w = null;
WindowState foundW = null;
int foundI = 0;
WindowState topCurW = null;
int topCurI = 0;
int windowDetachedI = -1;
int i = N;
while (i > 0) {
i--;
w = localmWindows.get(i);
if ((w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER)) {
if (topCurW == null) {
topCurW = w;
topCurI = i;
}
continue;
}
topCurW = null;
if (w != mWindowDetachedWallpaper && w.mAppToken != null) {
// If this window's app token is hidden and not animating,
// it is of no interest to us.
if (w.mAppToken.hidden && w.mAppToken.animation == null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Skipping not hidden or animating token: " + w);
continue;
}
}
if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w + ": readyfordisplay="
+ w.isReadyForDisplay() + " drawpending=" + w.mDrawPending
+ " commitdrawpending=" + w.mCommitDrawPending);
if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0 && w.isReadyForDisplay()
&& (mWallpaperTarget == w
|| (!w.mDrawPending && !w.mCommitDrawPending))) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Found wallpaper activity: #" + i + "=" + w);
foundW = w;
foundI = i;
if (w == mWallpaperTarget && ((w.mAppToken != null
&& w.mAppToken.animation != null)
|| w.mAnimation != null)) {
// The current wallpaper target is animating, so we'll
// look behind it for another possible target and figure
// out what is going on below.
if (DEBUG_WALLPAPER) Slog.v(TAG, "Win " + w
+ ": token animating, looking behind.");
continue;
}
break;
} else if (w == mWindowDetachedWallpaper) {
windowDetachedI = i;
}
}
if (foundW == null && windowDetachedI >= 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Found animating detached wallpaper activity: #" + i + "=" + w);
foundW = w;
foundI = windowDetachedI;
}
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// If we are currently waiting for an app transition, and either
// the current target or the next target are involved with it,
// then hold off on doing anything with the wallpaper.
// Note that we are checking here for just whether the target
// is part of an app token... which is potentially overly aggressive
// (the app token may not be involved in the transition), but good
// enough (we'll just wait until whatever transition is pending
// executes).
if (mWallpaperTarget != null && mWallpaperTarget.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper not changing: waiting for app anim in current target");
return 0;
}
if (foundW != null && foundW.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper not changing: waiting for app anim in found target");
return 0;
}
}
if (mWallpaperTarget != foundW) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New wallpaper target: " + foundW
+ " oldTarget: " + mWallpaperTarget);
}
mLowerWallpaperTarget = null;
mUpperWallpaperTarget = null;
WindowState oldW = mWallpaperTarget;
mWallpaperTarget = foundW;
// Now what is happening... if the current and new targets are
// animating, then we are in our super special mode!
if (foundW != null && oldW != null) {
boolean oldAnim = oldW.mAnimation != null
|| (oldW.mAppToken != null && oldW.mAppToken.animation != null);
boolean foundAnim = foundW.mAnimation != null
|| (foundW.mAppToken != null && foundW.mAppToken.animation != null);
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New animation: " + foundAnim
+ " old animation: " + oldAnim);
}
if (foundAnim && oldAnim) {
int oldI = localmWindows.indexOf(oldW);
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "New i: " + foundI + " old i: " + oldI);
}
if (oldI >= 0) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Animating wallpapers: old#" + oldI
+ "=" + oldW + "; new#" + foundI
+ "=" + foundW);
}
// Set the new target correctly.
if (foundW.mAppToken != null && foundW.mAppToken.hiddenRequested) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Old wallpaper still the target.");
}
mWallpaperTarget = oldW;
}
// Now set the upper and lower wallpaper targets
// correctly, and make sure that we are positioning
// the wallpaper below the lower.
if (foundI > oldI) {
// The new target is on top of the old one.
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Found target above old target.");
}
mUpperWallpaperTarget = foundW;
mLowerWallpaperTarget = oldW;
foundW = oldW;
foundI = oldI;
} else {
// The new target is below the old one.
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "Found target below old target.");
}
mUpperWallpaperTarget = oldW;
mLowerWallpaperTarget = foundW;
}
}
}
}
} else if (mLowerWallpaperTarget != null) {
// Is it time to stop animating?
boolean lowerAnimating = mLowerWallpaperTarget.mAnimation != null
|| (mLowerWallpaperTarget.mAppToken != null
&& mLowerWallpaperTarget.mAppToken.animation != null);
boolean upperAnimating = mUpperWallpaperTarget.mAnimation != null
|| (mUpperWallpaperTarget.mAppToken != null
&& mUpperWallpaperTarget.mAppToken.animation != null);
if (!lowerAnimating || !upperAnimating) {
if (DEBUG_WALLPAPER) {
Slog.v(TAG, "No longer animating wallpaper targets!");
}
mLowerWallpaperTarget = null;
mUpperWallpaperTarget = null;
}
}
boolean visible = foundW != null;
if (visible) {
// The window is visible to the compositor... but is it visible
// to the user? That is what the wallpaper cares about.
visible = isWallpaperVisible(foundW);
if (DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper visibility: " + visible);
// If the wallpaper target is animating, we may need to copy
// its layer adjustment. Only do this if we are not transfering
// between two wallpaper targets.
mWallpaperAnimLayerAdjustment =
(mLowerWallpaperTarget == null && foundW.mAppToken != null)
? foundW.mAppToken.animLayerAdjustment : 0;
final int maxLayer = mPolicy.getMaxWallpaperLayer()
* TYPE_LAYER_MULTIPLIER
+ TYPE_LAYER_OFFSET;
// Now w is the window we are supposed to be behind... but we
// need to be sure to also be behind any of its attached windows,
// AND any starting window associated with it, AND below the
// maximum layer the policy allows for wallpapers.
while (foundI > 0) {
WindowState wb = localmWindows.get(foundI-1);
if (wb.mBaseLayer < maxLayer &&
wb.mAttachedWindow != foundW &&
(foundW.mAttachedWindow == null ||
wb.mAttachedWindow != foundW.mAttachedWindow) &&
(wb.mAttrs.type != TYPE_APPLICATION_STARTING ||
foundW.mToken == null || wb.mToken != foundW.mToken)) {
// This window is not related to the previous one in any
// interesting way, so stop here.
break;
}
foundW = wb;
foundI--;
}
} else {
if (DEBUG_WALLPAPER) Slog.v(TAG, "No wallpaper target");
}
if (foundW == null && topCurW != null) {
// There is no wallpaper target, so it goes at the bottom.
// We will assume it is the same place as last time, if known.
foundW = topCurW;
foundI = topCurI+1;
} else {
// Okay i is the position immediately above the wallpaper. Look at
// what is below it for later.
foundW = foundI > 0 ? localmWindows.get(foundI-1) : null;
}
if (visible) {
if (mWallpaperTarget.mWallpaperX >= 0) {
mLastWallpaperX = mWallpaperTarget.mWallpaperX;
mLastWallpaperXStep = mWallpaperTarget.mWallpaperXStep;
}
if (mWallpaperTarget.mWallpaperY >= 0) {
mLastWallpaperY = mWallpaperTarget.mWallpaperY;
mLastWallpaperYStep = mWallpaperTarget.mWallpaperYStep;
}
}
// Start stepping backwards from here, ensuring that our wallpaper windows
// are correctly placed.
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
if (token.hidden == visible) {
changed |= ADJUST_WALLPAPER_VISIBILITY_CHANGED;
token.hidden = !visible;
// Need to do a layout to ensure the wallpaper now has the
// correct size.
mLayoutNeeded = true;
}
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (visible) {
updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
}
// First, make sure the client has the current visibility
// state.
if (wallpaper.mWallpaperVisible != visible) {
wallpaper.mWallpaperVisible = visible;
try {
if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG,
"Setting visibility of wallpaper " + wallpaper
+ ": " + visible);
wallpaper.mClient.dispatchAppVisibility(visible);
} catch (RemoteException e) {
}
}
wallpaper.mAnimLayer = wallpaper.mLayer + mWallpaperAnimLayerAdjustment;
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win "
+ wallpaper + " anim layer: " + wallpaper.mAnimLayer);
// First, if this window is at the current index, then all
// is well.
if (wallpaper == foundW) {
foundI--;
foundW = foundI > 0
? localmWindows.get(foundI-1) : null;
continue;
}
// The window didn't match... the current wallpaper window,
// wherever it is, is in the wrong place, so make sure it is
// not in the list.
int oldIndex = localmWindows.indexOf(wallpaper);
if (oldIndex >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Wallpaper removing at "
+ oldIndex + ": " + wallpaper);
localmWindows.remove(oldIndex);
mWindowsChanged = true;
if (oldIndex < foundI) {
foundI--;
}
}
// Now stick it in.
if (DEBUG_WALLPAPER || DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) {
Slog.v(TAG, "Moving wallpaper " + wallpaper
+ " from " + oldIndex + " to " + foundI);
}
localmWindows.add(foundI, wallpaper);
mWindowsChanged = true;
changed |= ADJUST_WALLPAPER_LAYERS_CHANGED;
}
}
return changed;
}
void setWallpaperAnimLayerAdjustmentLocked(int adj) {
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG,
"Setting wallpaper layer adj to " + adj);
mWallpaperAnimLayerAdjustment = adj;
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
wallpaper.mAnimLayer = wallpaper.mLayer + adj;
if (DEBUG_LAYERS || DEBUG_WALLPAPER) Slog.v(TAG, "Wallpaper win "
+ wallpaper + " anim layer: " + wallpaper.mAnimLayer);
}
}
}
boolean updateWallpaperOffsetLocked(WindowState wallpaperWin, int dw, int dh,
boolean sync) {
boolean changed = false;
boolean rawChanged = false;
float wpx = mLastWallpaperX >= 0 ? mLastWallpaperX : 0.5f;
float wpxs = mLastWallpaperXStep >= 0 ? mLastWallpaperXStep : -1.0f;
int availw = wallpaperWin.mFrame.right-wallpaperWin.mFrame.left-dw;
int offset = availw > 0 ? -(int)(availw*wpx+.5f) : 0;
changed = wallpaperWin.mXOffset != offset;
if (changed) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ wallpaperWin + " x: " + offset);
wallpaperWin.mXOffset = offset;
}
if (wallpaperWin.mWallpaperX != wpx || wallpaperWin.mWallpaperXStep != wpxs) {
wallpaperWin.mWallpaperX = wpx;
wallpaperWin.mWallpaperXStep = wpxs;
rawChanged = true;
}
float wpy = mLastWallpaperY >= 0 ? mLastWallpaperY : 0.5f;
float wpys = mLastWallpaperYStep >= 0 ? mLastWallpaperYStep : -1.0f;
int availh = wallpaperWin.mFrame.bottom-wallpaperWin.mFrame.top-dh;
offset = availh > 0 ? -(int)(availh*wpy+.5f) : 0;
if (wallpaperWin.mYOffset != offset) {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Update wallpaper "
+ wallpaperWin + " y: " + offset);
changed = true;
wallpaperWin.mYOffset = offset;
}
if (wallpaperWin.mWallpaperY != wpy || wallpaperWin.mWallpaperYStep != wpys) {
wallpaperWin.mWallpaperY = wpy;
wallpaperWin.mWallpaperYStep = wpys;
rawChanged = true;
}
if (rawChanged && (wallpaperWin.getAttrs().privateFlags &
WindowManager.LayoutParams.PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS) != 0) {
try {
if (DEBUG_WALLPAPER) Slog.v(TAG, "Report new wp offset "
+ wallpaperWin + " x=" + wallpaperWin.mWallpaperX
+ " y=" + wallpaperWin.mWallpaperY);
if (sync) {
mWaitingOnWallpaper = wallpaperWin;
}
wallpaperWin.mClient.dispatchWallpaperOffsets(
wallpaperWin.mWallpaperX, wallpaperWin.mWallpaperY,
wallpaperWin.mWallpaperXStep, wallpaperWin.mWallpaperYStep, sync);
if (sync) {
if (mWaitingOnWallpaper != null) {
long start = SystemClock.uptimeMillis();
if ((mLastWallpaperTimeoutTime+WALLPAPER_TIMEOUT_RECOVERY)
< start) {
try {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Waiting for offset complete...");
mWindowMap.wait(WALLPAPER_TIMEOUT);
} catch (InterruptedException e) {
}
if (DEBUG_WALLPAPER) Slog.v(TAG, "Offset complete!");
if ((start+WALLPAPER_TIMEOUT)
< SystemClock.uptimeMillis()) {
Slog.i(TAG, "Timeout waiting for wallpaper to offset: "
+ wallpaperWin);
mLastWallpaperTimeoutTime = start;
}
}
mWaitingOnWallpaper = null;
}
}
} catch (RemoteException e) {
}
}
return changed;
}
void wallpaperOffsetsComplete(IBinder window) {
synchronized (mWindowMap) {
if (mWaitingOnWallpaper != null &&
mWaitingOnWallpaper.mClient.asBinder() == window) {
mWaitingOnWallpaper = null;
mWindowMap.notifyAll();
}
}
}
void updateWallpaperOffsetLocked(WindowState changingTarget, boolean sync) {
final int dw = mAppDisplayWidth;
final int dh = mAppDisplayHeight;
WindowState target = mWallpaperTarget;
if (target != null) {
if (target.mWallpaperX >= 0) {
mLastWallpaperX = target.mWallpaperX;
} else if (changingTarget.mWallpaperX >= 0) {
mLastWallpaperX = changingTarget.mWallpaperX;
}
if (target.mWallpaperY >= 0) {
mLastWallpaperY = target.mWallpaperY;
} else if (changingTarget.mWallpaperY >= 0) {
mLastWallpaperY = changingTarget.mWallpaperY;
}
}
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (updateWallpaperOffsetLocked(wallpaper, dw, dh, sync)) {
wallpaper.computeShownFrameLocked();
// No need to lay out the windows - we can just set the wallpaper position
// directly.
if (wallpaper.mSurfaceX != wallpaper.mShownFrame.left
|| wallpaper.mSurfaceY != wallpaper.mShownFrame.top) {
Surface.openTransaction();
try {
if (SHOW_TRANSACTIONS) logSurface(wallpaper,
"POS " + wallpaper.mShownFrame.left
+ ", " + wallpaper.mShownFrame.top, null);
wallpaper.mSurfaceX = wallpaper.mShownFrame.left;
wallpaper.mSurfaceY = wallpaper.mShownFrame.top;
wallpaper.mSurface.setPosition(wallpaper.mShownFrame.left,
wallpaper.mShownFrame.top);
} catch (RuntimeException e) {
Slog.w(TAG, "Error positioning surface of " + wallpaper
+ " pos=(" + wallpaper.mShownFrame.left
+ "," + wallpaper.mShownFrame.top + ")", e);
}
Surface.closeTransaction();
}
// We only want to be synchronous with one wallpaper.
sync = false;
}
}
}
}
void updateWallpaperVisibilityLocked() {
final boolean visible = isWallpaperVisible(mWallpaperTarget);
final int dw = mAppDisplayWidth;
final int dh = mAppDisplayHeight;
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
if (token.hidden == visible) {
token.hidden = !visible;
// Need to do a layout to ensure the wallpaper now has the
// correct size.
mLayoutNeeded = true;
}
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
if (visible) {
updateWallpaperOffsetLocked(wallpaper, dw, dh, false);
}
if (wallpaper.mWallpaperVisible != visible) {
wallpaper.mWallpaperVisible = visible;
try {
if (DEBUG_VISIBILITY || DEBUG_WALLPAPER) Slog.v(TAG,
"Updating visibility of wallpaper " + wallpaper
+ ": " + visible);
wallpaper.mClient.dispatchAppVisibility(visible);
} catch (RemoteException e) {
}
}
}
}
}
public int addWindow(Session session, IWindow client, int seq,
WindowManager.LayoutParams attrs, int viewVisibility,
Rect outContentInsets, InputChannel outInputChannel) {
int res = mPolicy.checkAddPermission(attrs);
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
}
boolean reportNewConfig = false;
WindowState attachedWindow = null;
WindowState win = null;
long origId;
synchronized(mWindowMap) {
if (mDisplay == null) {
throw new IllegalStateException("Display has not been initialialized");
}
if (mWindowMap.containsKey(client.asBinder())) {
Slog.w(TAG, "Window " + client + " is already added");
return WindowManagerImpl.ADD_DUPLICATE_ADD;
}
if (attrs.type >= FIRST_SUB_WINDOW && attrs.type <= LAST_SUB_WINDOW) {
attachedWindow = windowForClientLocked(null, attrs.token, false);
if (attachedWindow == null) {
Slog.w(TAG, "Attempted to add window with token that is not a window: "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN;
}
if (attachedWindow.mAttrs.type >= FIRST_SUB_WINDOW
&& attachedWindow.mAttrs.type <= LAST_SUB_WINDOW) {
Slog.w(TAG, "Attempted to add window with token that is a sub-window: "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_SUBWINDOW_TOKEN;
}
}
boolean addToken = false;
WindowToken token = mTokenMap.get(attrs.token);
if (token == null) {
if (attrs.type >= FIRST_APPLICATION_WINDOW
&& attrs.type <= LAST_APPLICATION_WINDOW) {
Slog.w(TAG, "Attempted to add application window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
if (attrs.type == TYPE_INPUT_METHOD) {
Slog.w(TAG, "Attempted to add input method window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
if (attrs.type == TYPE_WALLPAPER) {
Slog.w(TAG, "Attempted to add wallpaper window with unknown token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
token = new WindowToken(this, attrs.token, -1, false);
addToken = true;
} else if (attrs.type >= FIRST_APPLICATION_WINDOW
&& attrs.type <= LAST_APPLICATION_WINDOW) {
AppWindowToken atoken = token.appWindowToken;
if (atoken == null) {
Slog.w(TAG, "Attempted to add window with non-application token "
+ token + ". Aborting.");
return WindowManagerImpl.ADD_NOT_APP_TOKEN;
} else if (atoken.removed) {
Slog.w(TAG, "Attempted to add window with exiting application token "
+ token + ". Aborting.");
return WindowManagerImpl.ADD_APP_EXITING;
}
if (attrs.type == TYPE_APPLICATION_STARTING && atoken.firstWindowDrawn) {
// No need for this guy!
if (localLOGV) Slog.v(
TAG, "**** NO NEED TO START: " + attrs.getTitle());
return WindowManagerImpl.ADD_STARTING_NOT_NEEDED;
}
} else if (attrs.type == TYPE_INPUT_METHOD) {
if (token.windowType != TYPE_INPUT_METHOD) {
Slog.w(TAG, "Attempted to add input method window with bad token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
} else if (attrs.type == TYPE_WALLPAPER) {
if (token.windowType != TYPE_WALLPAPER) {
Slog.w(TAG, "Attempted to add wallpaper window with bad token "
+ attrs.token + ". Aborting.");
return WindowManagerImpl.ADD_BAD_APP_TOKEN;
}
}
win = new WindowState(this, session, client, token,
attachedWindow, seq, attrs, viewVisibility);
if (win.mDeathRecipient == null) {
// Client has apparently died, so there is no reason to
// continue.
Slog.w(TAG, "Adding window client " + client.asBinder()
+ " that is dead, aborting.");
return WindowManagerImpl.ADD_APP_EXITING;
}
mPolicy.adjustWindowParamsLw(win.mAttrs);
res = mPolicy.prepareAddWindowLw(win, attrs);
if (res != WindowManagerImpl.ADD_OKAY) {
return res;
}
if (outInputChannel != null && (attrs.inputFeatures
& WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL) == 0) {
String name = win.makeInputChannelName();
InputChannel[] inputChannels = InputChannel.openInputChannelPair(name);
win.setInputChannel(inputChannels[0]);
inputChannels[1].transferTo(outInputChannel);
mInputManager.registerInputChannel(win.mInputChannel, win.mInputWindowHandle);
}
// From now on, no exceptions or errors allowed!
res = WindowManagerImpl.ADD_OKAY;
origId = Binder.clearCallingIdentity();
if (addToken) {
mTokenMap.put(attrs.token, token);
}
win.attach();
mWindowMap.put(client.asBinder(), win);
if (attrs.type == TYPE_APPLICATION_STARTING &&
token.appWindowToken != null) {
token.appWindowToken.startingWindow = win;
}
boolean imMayMove = true;
if (attrs.type == TYPE_INPUT_METHOD) {
mInputMethodWindow = win;
addInputMethodWindowToListLocked(win);
imMayMove = false;
} else if (attrs.type == TYPE_INPUT_METHOD_DIALOG) {
mInputMethodDialogs.add(win);
addWindowToListInOrderLocked(win, true);
adjustInputMethodDialogsLocked();
imMayMove = false;
} else {
addWindowToListInOrderLocked(win, true);
if (attrs.type == TYPE_WALLPAPER) {
mLastWallpaperTimeoutTime = 0;
adjustWallpaperWindowsLocked();
} else if ((attrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
}
win.mEnterAnimationPending = true;
mPolicy.getContentInsetHintLw(attrs, outContentInsets);
if (mInTouchMode) {
res |= WindowManagerImpl.ADD_FLAG_IN_TOUCH_MODE;
}
if (win == null || win.mAppToken == null || !win.mAppToken.clientHidden) {
res |= WindowManagerImpl.ADD_FLAG_APP_VISIBLE;
}
mInputMonitor.setUpdateInputWindowsNeededLw();
boolean focusChanged = false;
if (win.canReceiveKeys()) {
focusChanged = updateFocusedWindowLocked(UPDATE_FOCUS_WILL_ASSIGN_LAYERS,
false /*updateInputWindows*/);
if (focusChanged) {
imMayMove = false;
}
}
if (imMayMove) {
moveInputMethodWindowsIfNeededLocked(false);
}
assignLayersLocked();
// Don't do layout here, the window must call
// relayout to be displayed, so we'll do it there.
//dump();
if (focusChanged) {
finishUpdateFocusedWindowAfterAssignLayersLocked(false /*updateInputWindows*/);
}
mInputMonitor.updateInputWindowsLw(false /*force*/);
if (localLOGV) Slog.v(
TAG, "New client " + client.asBinder()
+ ": window=" + win);
if (win.isVisibleOrAdding() && updateOrientationFromAppTokensLocked(false)) {
reportNewConfig = true;
}
}
if (reportNewConfig) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
return res;
}
public void removeWindow(Session session, IWindow client) {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return;
}
removeWindowLocked(session, win);
}
}
public void removeWindowLocked(Session session, WindowState win) {
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Remove " + win + " client="
+ Integer.toHexString(System.identityHashCode(
win.mClient.asBinder()))
+ ", surface=" + win.mSurface);
final long origId = Binder.clearCallingIdentity();
win.disposeInputChannel();
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Remove " + win + ": mSurface=" + win.mSurface
+ " mExiting=" + win.mExiting
+ " isAnimating=" + win.isAnimating()
+ " app-animation="
+ (win.mAppToken != null ? win.mAppToken.animation : null)
+ " inPendingTransaction="
+ (win.mAppToken != null ? win.mAppToken.inPendingTransaction : false)
+ " mDisplayFrozen=" + mDisplayFrozen);
// Visibility of the removed window. Will be used later to update orientation later on.
boolean wasVisible = false;
// First, see if we need to run an animation. If we do, we have
// to hold off on removing the window until the animation is done.
// If the display is frozen, just remove immediately, since the
// animation wouldn't be seen.
if (win.mSurface != null && !mDisplayFrozen && mDisplayEnabled
&& mPolicy.isScreenOnFully()) {
// If we are not currently running the exit animation, we
// need to see about starting one.
if (wasVisible=win.isWinVisibleLw()) {
int transit = WindowManagerPolicy.TRANSIT_EXIT;
if (win.getAttrs().type == TYPE_APPLICATION_STARTING) {
transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
}
// Try starting an animation.
if (applyAnimationLocked(win, transit, false)) {
win.mExiting = true;
}
}
if (win.mExiting || win.isAnimating()) {
// The exit animation is running... wait for it!
//Slog.i(TAG, "*** Running exit animation...");
win.mExiting = true;
win.mRemoveOnExit = true;
mLayoutNeeded = true;
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/);
performLayoutAndPlaceSurfacesLocked();
mInputMonitor.updateInputWindowsLw(false /*force*/);
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
//dump();
Binder.restoreCallingIdentity(origId);
return;
}
}
removeWindowInnerLocked(session, win);
// Removing a visible window will effect the computed orientation
// So just update orientation if needed.
if (wasVisible && computeForcedAppOrientationLocked()
!= mForcedAppOrientation
&& updateOrientationFromAppTokensLocked(false)) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
Binder.restoreCallingIdentity(origId);
}
private void removeWindowInnerLocked(Session session, WindowState win) {
if (win.mRemoved) {
// Nothing to do.
return;
}
for (int i=win.mChildWindows.size()-1; i>=0; i--) {
WindowState cwin = win.mChildWindows.get(i);
Slog.w(TAG, "Force-removing child win " + cwin + " from container "
+ win);
removeWindowInnerLocked(cwin.mSession, cwin);
}
win.mRemoved = true;
if (mInputMethodTarget == win) {
moveInputMethodWindowsIfNeededLocked(false);
}
if (false) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Slog.w(TAG, "Removing window " + win, e);
}
mPolicy.removeWindowLw(win);
win.removeLocked();
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "removeWindowInnerLocked: " + win);
mWindowMap.remove(win.mClient.asBinder());
mWindows.remove(win);
mPendingRemove.remove(win);
mWindowsChanged = true;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Final remove of window: " + win);
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
} else if (win.mAttrs.type == TYPE_INPUT_METHOD_DIALOG) {
mInputMethodDialogs.remove(win);
}
final WindowToken token = win.mToken;
final AppWindowToken atoken = win.mAppToken;
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing " + win + " from " + token);
token.windows.remove(win);
if (atoken != null) {
atoken.allAppWindows.remove(win);
}
if (localLOGV) Slog.v(
TAG, "**** Removing window " + win + ": count="
+ token.windows.size());
if (token.windows.size() == 0) {
if (!token.explicit) {
mTokenMap.remove(token.token);
} else if (atoken != null) {
atoken.firstWindowDrawn = false;
}
}
if (atoken != null) {
if (atoken.startingWindow == win) {
atoken.startingWindow = null;
} else if (atoken.allAppWindows.size() == 0 && atoken.startingData != null) {
// If this is the last window and we had requested a starting
// transition window, well there is no point now.
atoken.startingData = null;
} else if (atoken.allAppWindows.size() == 1 && atoken.startingView != null) {
// If this is the last window except for a starting transition
// window, we need to get rid of the starting transition.
if (DEBUG_STARTING_WINDOW) {
Slog.v(TAG, "Schedule remove starting " + token
+ ": no more real windows");
}
Message m = mH.obtainMessage(H.REMOVE_STARTING, atoken);
mH.sendMessage(m);
}
}
if (win.mAttrs.type == TYPE_WALLPAPER) {
mLastWallpaperTimeoutTime = 0;
adjustWallpaperWindowsLocked();
} else if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
if (!mInLayout) {
assignLayersLocked();
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
}
mInputMonitor.updateInputWindowsLw(true /*force*/);
}
static void logSurface(WindowState w, String msg, RuntimeException where) {
String str = " SURFACE " + Integer.toHexString(w.hashCode())
+ ": " + msg + " / " + w.mAttrs.getTitle();
if (where != null) {
Slog.i(TAG, str, where);
} else {
Slog.i(TAG, str);
}
}
void setTransparentRegionWindow(Session session, IWindow client, Region region) {
long origId = Binder.clearCallingIdentity();
try {
synchronized (mWindowMap) {
WindowState w = windowForClientLocked(session, client, false);
if ((w != null) && (w.mSurface != null)) {
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
">>> OPEN TRANSACTION setTransparentRegion");
Surface.openTransaction();
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"transparentRegionHint=" + region, null);
w.mSurface.setTransparentRegionHint(region);
} finally {
Surface.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION setTransparentRegion");
}
}
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
void setInsetsWindow(Session session, IWindow client,
int touchableInsets, Rect contentInsets,
Rect visibleInsets, Region touchableRegion) {
long origId = Binder.clearCallingIdentity();
try {
synchronized (mWindowMap) {
WindowState w = windowForClientLocked(session, client, false);
if (w != null) {
w.mGivenInsetsPending = false;
w.mGivenContentInsets.set(contentInsets);
w.mGivenVisibleInsets.set(visibleInsets);
w.mGivenTouchableRegion.set(touchableRegion);
w.mTouchableInsets = touchableInsets;
if (w.mGlobalScale != 1) {
w.mGivenContentInsets.scale(w.mGlobalScale);
w.mGivenVisibleInsets.scale(w.mGlobalScale);
w.mGivenTouchableRegion.scale(w.mGlobalScale);
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
public void getWindowDisplayFrame(Session session, IWindow client,
Rect outDisplayFrame) {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
outDisplayFrame.setEmpty();
return;
}
outDisplayFrame.set(win.mDisplayFrame);
}
}
public void setWindowWallpaperPositionLocked(WindowState window, float x, float y,
float xStep, float yStep) {
if (window.mWallpaperX != x || window.mWallpaperY != y) {
window.mWallpaperX = x;
window.mWallpaperY = y;
window.mWallpaperXStep = xStep;
window.mWallpaperYStep = yStep;
updateWallpaperOffsetLocked(window, true);
}
}
void wallpaperCommandComplete(IBinder window, Bundle result) {
synchronized (mWindowMap) {
if (mWaitingOnWallpaper != null &&
mWaitingOnWallpaper.mClient.asBinder() == window) {
mWaitingOnWallpaper = null;
mWindowMap.notifyAll();
}
}
}
public Bundle sendWindowWallpaperCommandLocked(WindowState window,
String action, int x, int y, int z, Bundle extras, boolean sync) {
if (window == mWallpaperTarget || window == mLowerWallpaperTarget
|| window == mUpperWallpaperTarget) {
boolean doWait = sync;
int curTokenIndex = mWallpaperTokens.size();
while (curTokenIndex > 0) {
curTokenIndex--;
WindowToken token = mWallpaperTokens.get(curTokenIndex);
int curWallpaperIndex = token.windows.size();
while (curWallpaperIndex > 0) {
curWallpaperIndex--;
WindowState wallpaper = token.windows.get(curWallpaperIndex);
try {
wallpaper.mClient.dispatchWallpaperCommand(action,
x, y, z, extras, sync);
// We only want to be synchronous with one wallpaper.
sync = false;
} catch (RemoteException e) {
}
}
}
if (doWait) {
// XXX Need to wait for result.
}
}
return null;
}
public int relayoutWindow(Session session, IWindow client, int seq,
WindowManager.LayoutParams attrs, int requestedWidth,
int requestedHeight, int viewVisibility, int flags,
Rect outFrame, Rect outContentInsets, Rect outVisibleInsets,
Configuration outConfig, Surface outSurface) {
boolean displayed = false;
boolean inTouchMode;
boolean configChanged;
boolean surfaceChanged = false;
// if they don't have this permission, mask out the status bar bits
int systemUiVisibility = 0;
if (attrs != null) {
systemUiVisibility = (attrs.systemUiVisibility|attrs.subtreeSystemUiVisibility);
if ((systemUiVisibility & StatusBarManager.DISABLE_MASK) != 0) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR)
!= PackageManager.PERMISSION_GRANTED) {
systemUiVisibility &= ~StatusBarManager.DISABLE_MASK;
}
}
}
long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return 0;
}
if (win.mRequestedWidth != requestedWidth
|| win.mRequestedHeight != requestedHeight) {
win.mLayoutNeeded = true;
win.mRequestedWidth = requestedWidth;
win.mRequestedHeight = requestedHeight;
}
if (attrs != null && seq == win.mSeq) {
win.mSystemUiVisibility = systemUiVisibility;
}
if (attrs != null) {
mPolicy.adjustWindowParamsLw(attrs);
}
win.mSurfaceDestroyDeferred =
(flags&WindowManagerImpl.RELAYOUT_DEFER_SURFACE_DESTROY) != 0;
int attrChanges = 0;
int flagChanges = 0;
if (attrs != null) {
if (win.mAttrs.type != attrs.type) {
throw new IllegalArgumentException(
"Window type can not be changed after the window is added.");
}
flagChanges = win.mAttrs.flags ^= attrs.flags;
attrChanges = win.mAttrs.copyFrom(attrs);
if ((attrChanges&WindowManager.LayoutParams.LAYOUT_CHANGED) != 0) {
win.mLayoutNeeded = true;
}
}
if (DEBUG_LAYOUT) Slog.v(TAG, "Relayout " + win + ": " + win.mAttrs);
win.mEnforceSizeCompat = (win.mAttrs.flags & FLAG_COMPATIBLE_WINDOW) != 0;
if ((attrChanges & WindowManager.LayoutParams.ALPHA_CHANGED) != 0) {
win.mAlpha = attrs.alpha;
}
final boolean scaledWindow =
((win.mAttrs.flags & WindowManager.LayoutParams.FLAG_SCALED) != 0);
if (scaledWindow) {
// requested{Width|Height} Surface's physical size
// attrs.{width|height} Size on screen
win.mHScale = (attrs.width != requestedWidth) ?
(attrs.width / (float)requestedWidth) : 1.0f;
win.mVScale = (attrs.height != requestedHeight) ?
(attrs.height / (float)requestedHeight) : 1.0f;
} else {
win.mHScale = win.mVScale = 1;
}
boolean imMayMove = (flagChanges&(
WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM |
WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE)) != 0;
boolean focusMayChange = win.mViewVisibility != viewVisibility
|| ((flagChanges&WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE) != 0)
|| (!win.mRelayoutCalled);
boolean wallpaperMayMove = win.mViewVisibility != viewVisibility
&& (win.mAttrs.flags & FLAG_SHOW_WALLPAPER) != 0;
wallpaperMayMove |= (flagChanges & FLAG_SHOW_WALLPAPER) != 0;
win.mRelayoutCalled = true;
final int oldVisibility = win.mViewVisibility;
win.mViewVisibility = viewVisibility;
if (DEBUG_SCREEN_ON) {
RuntimeException stack = new RuntimeException();
stack.fillInStackTrace();
Slog.i(TAG, "Relayout " + win + ": oldVis=" + oldVisibility
+ " newVis=" + viewVisibility, stack);
}
if (viewVisibility == View.VISIBLE &&
(win.mAppToken == null || !win.mAppToken.clientHidden)) {
displayed = !win.isVisibleLw();
if (win.mExiting) {
win.cancelExitAnimationForNextAnimationLocked();
}
if (win.mDestroying) {
win.mDestroying = false;
mDestroySurface.remove(win);
}
if (oldVisibility == View.GONE) {
win.mEnterAnimationPending = true;
}
if (displayed) {
if (win.mSurface != null && !win.mDrawPending
&& !win.mCommitDrawPending && !mDisplayFrozen
&& mDisplayEnabled && mPolicy.isScreenOnFully()) {
applyEnterAnimationLocked(win);
}
if ((win.mAttrs.flags
& WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON) != 0) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Relayout window turning screen on: " + win);
win.mTurnOnScreen = true;
}
int diff = 0;
if (win.mConfiguration != mCurConfiguration
&& (win.mConfiguration == null
|| (diff=mCurConfiguration.diff(win.mConfiguration)) != 0)) {
win.mConfiguration = mCurConfiguration;
if (DEBUG_CONFIGURATION) {
Slog.i(TAG, "Window " + win + " visible with new config: "
+ win.mConfiguration + " / 0x"
+ Integer.toHexString(diff));
}
outConfig.setTo(mCurConfiguration);
}
}
if ((attrChanges&WindowManager.LayoutParams.FORMAT_CHANGED) != 0) {
// To change the format, we need to re-build the surface.
win.destroySurfaceLocked();
displayed = true;
surfaceChanged = true;
}
try {
if (win.mSurface == null) {
surfaceChanged = true;
}
Surface surface = win.createSurfaceLocked();
if (surface != null) {
outSurface.copyFrom(surface);
win.mReportDestroySurface = false;
win.mSurfacePendingDestroy = false;
if (SHOW_TRANSACTIONS) Slog.i(TAG,
" OUT SURFACE " + outSurface + ": copied");
} else {
// For some reason there isn't a surface. Clear the
// caller's object so they see the same state.
outSurface.release();
}
} catch (Exception e) {
mInputMonitor.updateInputWindowsLw(true /*force*/);
Slog.w(TAG, "Exception thrown when creating surface for client "
+ client + " (" + win.mAttrs.getTitle() + ")",
e);
Binder.restoreCallingIdentity(origId);
return 0;
}
if (displayed) {
focusMayChange = true;
}
if (win.mAttrs.type == TYPE_INPUT_METHOD
&& mInputMethodWindow == null) {
mInputMethodWindow = win;
imMayMove = true;
}
if (win.mAttrs.type == TYPE_BASE_APPLICATION
&& win.mAppToken != null
&& win.mAppToken.startingWindow != null) {
// Special handling of starting window over the base
// window of the app: propagate lock screen flags to it,
// to provide the correct semantics while starting.
final int mask =
WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON;
WindowManager.LayoutParams sa = win.mAppToken.startingWindow.mAttrs;
sa.flags = (sa.flags&~mask) | (win.mAttrs.flags&mask);
}
} else {
win.mEnterAnimationPending = false;
if (win.mSurface != null) {
if (DEBUG_VISIBILITY) Slog.i(TAG, "Relayout invis " + win
+ ": mExiting=" + win.mExiting
+ " mSurfacePendingDestroy=" + win.mSurfacePendingDestroy);
// If we are not currently running the exit animation, we
// need to see about starting one.
if (!win.mExiting || win.mSurfacePendingDestroy) {
surfaceChanged = true;
// Try starting an animation; if there isn't one, we
// can destroy the surface right away.
int transit = WindowManagerPolicy.TRANSIT_EXIT;
if (win.getAttrs().type == TYPE_APPLICATION_STARTING) {
transit = WindowManagerPolicy.TRANSIT_PREVIEW_DONE;
}
if (!win.mSurfacePendingDestroy && win.isWinVisibleLw() &&
applyAnimationLocked(win, transit, false)) {
focusMayChange = true;
win.mExiting = true;
} else if (win.isAnimating()) {
// Currently in a hide animation... turn this into
// an exit.
win.mExiting = true;
} else if (win == mWallpaperTarget) {
// If the wallpaper is currently behind this
// window, we need to change both of them inside
// of a transaction to avoid artifacts.
win.mExiting = true;
win.mAnimating = true;
} else {
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
}
win.destroySurfaceLocked();
}
}
}
if (win.mSurface == null || (win.getAttrs().flags
& WindowManager.LayoutParams.FLAG_KEEP_SURFACE_WHILE_ANIMATING) == 0
|| win.mSurfacePendingDestroy) {
// We could be called from a local process, which
// means outSurface holds its current surface. Ensure the
// surface object is cleared, but we don't necessarily want
// it actually destroyed at this point.
win.mSurfacePendingDestroy = false;
outSurface.release();
if (DEBUG_VISIBILITY) Slog.i(TAG, "Releasing surface in: " + win);
} else if (win.mSurface != null) {
if (DEBUG_VISIBILITY) Slog.i(TAG,
"Keeping surface, will report destroy: " + win);
win.mReportDestroySurface = true;
outSurface.copyFrom(win.mSurface);
}
}
if (focusMayChange) {
//System.out.println("Focus may change: " + win.mAttrs.getTitle());
if (updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/)) {
imMayMove = false;
}
//System.out.println("Relayout " + win + ": focus=" + mCurrentFocus);
}
// updateFocusedWindowLocked() already assigned layers so we only need to
// reassign them at this point if the IM window state gets shuffled
boolean assignLayers = false;
if (imMayMove) {
if (moveInputMethodWindowsIfNeededLocked(false) || displayed) {
// Little hack here -- we -should- be able to rely on the
// function to return true if the IME has moved and needs
// its layer recomputed. However, if the IME was hidden
// and isn't actually moved in the list, its layer may be
// out of data so we make sure to recompute it.
assignLayers = true;
}
}
if (wallpaperMayMove) {
if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
assignLayers = true;
}
}
mLayoutNeeded = true;
win.mGivenInsetsPending = (flags&WindowManagerImpl.RELAYOUT_INSETS_PENDING) != 0;
if (assignLayers) {
assignLayersLocked();
}
configChanged = updateOrientationFromAppTokensLocked(false);
performLayoutAndPlaceSurfacesLocked();
if (displayed && win.mIsWallpaper) {
updateWallpaperOffsetLocked(win, mAppDisplayWidth, mAppDisplayHeight, false);
}
if (win.mAppToken != null) {
win.mAppToken.updateReportedVisibilityLocked();
}
outFrame.set(win.mCompatFrame);
outContentInsets.set(win.mContentInsets);
outVisibleInsets.set(win.mVisibleInsets);
if (localLOGV) Slog.v(
TAG, "Relayout given client " + client.asBinder()
+ ", requestedWidth=" + requestedWidth
+ ", requestedHeight=" + requestedHeight
+ ", viewVisibility=" + viewVisibility
+ "\nRelayout returning frame=" + outFrame
+ ", surface=" + outSurface);
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Relayout of " + win + ": focusMayChange=" + focusMayChange);
inTouchMode = mInTouchMode;
mInputMonitor.updateInputWindowsLw(true /*force*/);
}
if (configChanged) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
return (inTouchMode ? WindowManagerImpl.RELAYOUT_RES_IN_TOUCH_MODE : 0)
| (displayed ? WindowManagerImpl.RELAYOUT_RES_FIRST_TIME : 0)
| (surfaceChanged ? WindowManagerImpl.RELAYOUT_RES_SURFACE_CHANGED : 0);
}
public void performDeferredDestroyWindow(Session session, IWindow client) {
long origId = Binder.clearCallingIdentity();
try {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return;
}
win.destroyDeferredSurfaceLocked();
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
public boolean outOfMemoryWindow(Session session, IWindow client) {
long origId = Binder.clearCallingIdentity();
try {
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win == null) {
return false;
}
return reclaimSomeSurfaceMemoryLocked(win, "from-client", false);
}
} finally {
Binder.restoreCallingIdentity(origId);
}
}
public void finishDrawingWindow(Session session, IWindow client) {
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowState win = windowForClientLocked(session, client, false);
if (win != null && win.finishDrawingLocked()) {
if ((win.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0) {
adjustWallpaperWindowsLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
}
Binder.restoreCallingIdentity(origId);
}
public float getWindowCompatibilityScale(IBinder windowToken) {
synchronized (mWindowMap) {
WindowState windowState = mWindowMap.get(windowToken);
return (windowState != null) ? windowState.mGlobalScale : 1.0f;
}
}
private AttributeCache.Entry getCachedAnimations(WindowManager.LayoutParams lp) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: layout params pkg="
+ (lp != null ? lp.packageName : null)
+ " resId=0x" + (lp != null ? Integer.toHexString(lp.windowAnimations) : null));
if (lp != null && lp.windowAnimations != 0) {
// If this is a system resource, don't try to load it from the
// application resources. It is nice to avoid loading application
// resources if we can.
String packageName = lp.packageName != null ? lp.packageName : "android";
int resId = lp.windowAnimations;
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
private AttributeCache.Entry getCachedAnimations(String packageName, int resId) {
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: package="
+ packageName + " resId=0x" + Integer.toHexString(resId));
if (packageName != null) {
if ((resId&0xFF000000) == 0x01000000) {
packageName = "android";
}
if (DEBUG_ANIM) Slog.v(TAG, "Loading animations: picked package="
+ packageName);
return AttributeCache.instance().get(packageName, resId,
com.android.internal.R.styleable.WindowAnimation);
}
return null;
}
void applyEnterAnimationLocked(WindowState win) {
final int transit;
if (win.mEnterAnimationPending) {
win.mEnterAnimationPending = false;
transit = WindowManagerPolicy.TRANSIT_ENTER;
} else {
transit = WindowManagerPolicy.TRANSIT_SHOW;
}
applyAnimationLocked(win, transit, true);
}
/**
* Choose the correct animation and set it to the passed WindowState.
* @param win The window to add the animation to.
* @param transit If WindowManagerPolicy.TRANSIT_PREVIEW_DONE and the app window has been drawn
* then the animation will be app_starting_exit. Any other value loads the animation from
* the switch statement below.
* @param isEntrance The animation type the last time this was called. Used to keep from
* loading the same animation twice.
* @return true if an animation has been loaded.
*/
boolean applyAnimationLocked(WindowState win,
int transit, boolean isEntrance) {
if (win.mLocalAnimating && win.mAnimationIsEntrance == isEntrance) {
// If we are trying to apply an animation, but already running
// an animation of the same type, then just leave that one alone.
return true;
}
// Only apply an animation if the display isn't frozen. If it is
// frozen, there is no reason to animate and it can cause strange
// artifacts when we unfreeze the display if some different animation
// is running.
if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) {
int anim = mPolicy.selectAnimationLw(win, transit);
int attr = -1;
Animation a = null;
if (anim != 0) {
a = AnimationUtils.loadAnimation(mContext, anim);
} else {
switch (transit) {
case WindowManagerPolicy.TRANSIT_ENTER:
attr = com.android.internal.R.styleable.WindowAnimation_windowEnterAnimation;
break;
case WindowManagerPolicy.TRANSIT_EXIT:
attr = com.android.internal.R.styleable.WindowAnimation_windowExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_SHOW:
attr = com.android.internal.R.styleable.WindowAnimation_windowShowAnimation;
break;
case WindowManagerPolicy.TRANSIT_HIDE:
attr = com.android.internal.R.styleable.WindowAnimation_windowHideAnimation;
break;
}
if (attr >= 0) {
a = loadAnimation(win.mAttrs, attr);
}
}
if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: win=" + win
+ " anim=" + anim + " attr=0x" + Integer.toHexString(attr)
+ " mAnimation=" + win.mAnimation
+ " isEntrance=" + isEntrance);
if (a != null) {
if (DEBUG_ANIM) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "Loaded animation " + a + " for " + win, e);
}
win.setAnimation(a);
win.mAnimationIsEntrance = isEntrance;
}
} else {
win.clearAnimation();
}
return win.mAnimation != null;
}
private Animation loadAnimation(WindowManager.LayoutParams lp, int animAttr) {
int anim = 0;
Context context = mContext;
if (animAttr >= 0) {
AttributeCache.Entry ent = getCachedAnimations(lp);
if (ent != null) {
context = ent.context;
anim = ent.array.getResourceId(animAttr, 0);
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
private Animation loadAnimation(String packageName, int resId) {
int anim = 0;
Context context = mContext;
if (resId >= 0) {
AttributeCache.Entry ent = getCachedAnimations(packageName, resId);
if (ent != null) {
context = ent.context;
anim = resId;
}
}
if (anim != 0) {
return AnimationUtils.loadAnimation(context, anim);
}
return null;
}
private boolean applyAnimationLocked(AppWindowToken wtoken,
WindowManager.LayoutParams lp, int transit, boolean enter) {
// Only apply an animation if the display isn't frozen. If it is
// frozen, there is no reason to animate and it can cause strange
// artifacts when we unfreeze the display if some different animation
// is running.
if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) {
Animation a;
if (mNextAppTransitionPackage != null) {
a = loadAnimation(mNextAppTransitionPackage, enter ?
mNextAppTransitionEnter : mNextAppTransitionExit);
} else {
int animAttr = 0;
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_activityCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_activityCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToFrontEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToFrontExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_TASK_TO_BACK:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_taskToBackEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_taskToBackExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperCloseExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraOpenExitAnimation;
break;
case WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE:
animAttr = enter
? com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseEnterAnimation
: com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation;
break;
}
a = animAttr != 0 ? loadAnimation(lp, animAttr) : null;
if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
+ " anim=" + a
+ " animAttr=0x" + Integer.toHexString(animAttr)
+ " transit=" + transit);
}
if (a != null) {
if (DEBUG_ANIM) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "Loaded animation " + a + " for " + wtoken, e);
}
wtoken.setAnimation(a);
}
} else {
wtoken.clearAnimation();
}
return wtoken.animation != null;
}
// -------------------------------------------------------------
// Application Window Tokens
// -------------------------------------------------------------
public void validateAppTokens(List<IBinder> tokens) {
int v = tokens.size()-1;
int m = mAppTokens.size()-1;
while (v >= 0 && m >= 0) {
AppWindowToken wtoken = mAppTokens.get(m);
if (wtoken.removed) {
m--;
continue;
}
if (tokens.get(v) != wtoken.token) {
Slog.w(TAG, "Tokens out of sync: external is " + tokens.get(v)
+ " @ " + v + ", internal is " + wtoken.token + " @ " + m);
}
v--;
m--;
}
while (v >= 0) {
Slog.w(TAG, "External token not found: " + tokens.get(v) + " @ " + v);
v--;
}
while (m >= 0) {
AppWindowToken wtoken = mAppTokens.get(m);
if (!wtoken.removed) {
Slog.w(TAG, "Invalid internal token: " + wtoken.token + " @ " + m);
}
m--;
}
}
boolean checkCallingPermission(String permission, String func) {
// Quick check: if the calling permission is me, it's all okay.
if (Binder.getCallingPid() == Process.myPid()) {
return true;
}
if (mContext.checkCallingPermission(permission)
== PackageManager.PERMISSION_GRANTED) {
return true;
}
String msg = "Permission Denial: " + func + " from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid()
+ " requires " + permission;
Slog.w(TAG, msg);
return false;
}
AppWindowToken findAppWindowToken(IBinder token) {
WindowToken wtoken = mTokenMap.get(token);
if (wtoken == null) {
return null;
}
return wtoken.appWindowToken;
}
public void addWindowToken(IBinder token, int type) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"addWindowToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
WindowToken wtoken = mTokenMap.get(token);
if (wtoken != null) {
Slog.w(TAG, "Attempted to add existing input method token: " + token);
return;
}
wtoken = new WindowToken(this, token, type, true);
mTokenMap.put(token, wtoken);
if (type == TYPE_WALLPAPER) {
mWallpaperTokens.add(wtoken);
}
}
}
public void removeWindowToken(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"removeWindowToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowToken wtoken = mTokenMap.remove(token);
if (wtoken != null) {
boolean delayed = false;
if (!wtoken.hidden) {
wtoken.hidden = true;
final int N = wtoken.windows.size();
boolean changed = false;
for (int i=0; i<N; i++) {
WindowState win = wtoken.windows.get(i);
if (win.isAnimating()) {
delayed = true;
}
if (win.isVisibleNow()) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_EXIT, false);
changed = true;
}
}
if (changed) {
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL,
false /*updateInputWindows*/);
}
if (delayed) {
mExitingTokens.add(wtoken);
} else if (wtoken.windowType == TYPE_WALLPAPER) {
mWallpaperTokens.remove(wtoken);
}
}
mInputMonitor.updateInputWindowsLw(true /*force*/);
} else {
Slog.w(TAG, "Attempted to remove non-existing token: " + token);
}
}
Binder.restoreCallingIdentity(origId);
}
public void addAppToken(int addPos, IApplicationToken token,
int groupId, int requestedOrientation, boolean fullscreen) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"addAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
// Get the dispatching timeout here while we are not holding any locks so that it
// can be cached by the AppWindowToken. The timeout value is used later by the
// input dispatcher in code that does hold locks. If we did not cache the value
// here we would run the chance of introducing a deadlock between the window manager
// (which holds locks while updating the input dispatcher state) and the activity manager
// (which holds locks while querying the application token).
long inputDispatchingTimeoutNanos;
try {
inputDispatchingTimeoutNanos = token.getKeyDispatchingTimeout() * 1000000L;
} catch (RemoteException ex) {
Slog.w(TAG, "Could not get dispatching timeout.", ex);
inputDispatchingTimeoutNanos = DEFAULT_INPUT_DISPATCHING_TIMEOUT_NANOS;
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken != null) {
Slog.w(TAG, "Attempted to add existing app token: " + token);
return;
}
wtoken = new AppWindowToken(this, token);
wtoken.inputDispatchingTimeoutNanos = inputDispatchingTimeoutNanos;
wtoken.groupId = groupId;
wtoken.appFullscreen = fullscreen;
wtoken.requestedOrientation = requestedOrientation;
if (DEBUG_TOKEN_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG, "addAppToken: " + wtoken);
mAppTokens.add(addPos, wtoken);
mTokenMap.put(token.asBinder(), wtoken);
// Application tokens start out hidden.
wtoken.hidden = true;
wtoken.hiddenRequested = true;
//dump();
}
}
public void setAppGroupId(IBinder token, int groupId) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppStartingIcon()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set group id of non-existing app token: " + token);
return;
}
wtoken.groupId = groupId;
}
}
public int getOrientationFromWindowsLocked() {
if (mDisplayFrozen || mOpeningApps.size() > 0 || mClosingApps.size() > 0) {
// If the display is frozen, some activities may be in the middle
// of restarting, and thus have removed their old window. If the
// window has the flag to hide the lock screen, then the lock screen
// can re-appear and inflict its own orientation on us. Keep the
// orientation stable until this all settles down.
return mLastWindowForcedOrientation;
}
int pos = mWindows.size() - 1;
while (pos >= 0) {
WindowState wtoken = mWindows.get(pos);
pos--;
if (wtoken.mAppToken != null) {
// We hit an application window. so the orientation will be determined by the
// app window. No point in continuing further.
return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
}
if (!wtoken.isVisibleLw() || !wtoken.mPolicyVisibilityAfterAnim) {
continue;
}
int req = wtoken.mAttrs.screenOrientation;
if((req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) ||
(req == ActivityInfo.SCREEN_ORIENTATION_BEHIND)){
continue;
} else {
return (mLastWindowForcedOrientation=req);
}
}
return (mLastWindowForcedOrientation=ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
}
public int getOrientationFromAppTokensLocked() {
int pos = mAppTokens.size() - 1;
int curGroup = 0;
int lastOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
boolean findingBehind = false;
boolean haveGroup = false;
boolean lastFullscreen = false;
while (pos >= 0) {
AppWindowToken wtoken = mAppTokens.get(pos);
pos--;
if (DEBUG_APP_ORIENTATION) Slog.v(TAG, "Checking app orientation: " + wtoken);
// if we're about to tear down this window and not seek for
// the behind activity, don't use it for orientation
if (!findingBehind
&& (!wtoken.hidden && wtoken.hiddenRequested)) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + wtoken
+ " -- going to hide");
continue;
}
if (!haveGroup) {
// We ignore any hidden applications on the top.
if (wtoken.hiddenRequested || wtoken.willBeHidden) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping " + wtoken
+ " -- hidden on top");
continue;
}
haveGroup = true;
curGroup = wtoken.groupId;
lastOrientation = wtoken.requestedOrientation;
} else if (curGroup != wtoken.groupId) {
// If we have hit a new application group, and the bottom
// of the previous group didn't explicitly say to use
// the orientation behind it, and the last app was
// full screen, then we'll stick with the
// user's orientation.
if (lastOrientation != ActivityInfo.SCREEN_ORIENTATION_BEHIND
&& lastFullscreen) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken
+ " -- end of group, return " + lastOrientation);
return lastOrientation;
}
}
int or = wtoken.requestedOrientation;
// If this application is fullscreen, and didn't explicitly say
// to use the orientation behind it, then just take whatever
// orientation it has and ignores whatever is under it.
lastFullscreen = wtoken.appFullscreen;
if (lastFullscreen
&& or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken
+ " -- full screen, return " + or);
return or;
}
// If this application has requested an explicit orientation,
// then use it.
if (or != ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
&& or != ActivityInfo.SCREEN_ORIENTATION_BEHIND) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Done at " + wtoken
+ " -- explicitly set, return " + or);
return or;
}
findingBehind |= (or == ActivityInfo.SCREEN_ORIENTATION_BEHIND);
}
if (DEBUG_ORIENTATION) Slog.v(TAG, "No app is requesting an orientation");
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
public Configuration updateOrientationFromAppTokens(
Configuration currentConfig, IBinder freezeThisOneIfNeeded) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"updateOrientationFromAppTokens()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
Configuration config = null;
long ident = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
config = updateOrientationFromAppTokensLocked(currentConfig,
freezeThisOneIfNeeded);
}
Binder.restoreCallingIdentity(ident);
return config;
}
private Configuration updateOrientationFromAppTokensLocked(
Configuration currentConfig, IBinder freezeThisOneIfNeeded) {
Configuration config = null;
if (updateOrientationFromAppTokensLocked(false)) {
if (freezeThisOneIfNeeded != null) {
AppWindowToken wtoken = findAppWindowToken(
freezeThisOneIfNeeded);
if (wtoken != null) {
startAppFreezingScreenLocked(wtoken,
ActivityInfo.CONFIG_ORIENTATION);
}
}
config = computeNewConfigurationLocked();
} else if (currentConfig != null) {
// No obvious action we need to take, but if our current
// state mismatches the activity manager's, update it,
// disregarding font scale, which should remain set to
// the value of the previous configuration.
mTempConfiguration.setToDefaults();
mTempConfiguration.fontScale = currentConfig.fontScale;
if (computeScreenConfigurationLocked(mTempConfiguration)) {
if (currentConfig.diff(mTempConfiguration) != 0) {
mWaitingForConfig = true;
mLayoutNeeded = true;
startFreezingDisplayLocked(false);
config = new Configuration(mTempConfiguration);
}
}
}
return config;
}
/*
* Determine the new desired orientation of the display, returning
* a non-null new Configuration if it has changed from the current
* orientation. IF TRUE IS RETURNED SOMEONE MUST CALL
* setNewConfiguration() TO TELL THE WINDOW MANAGER IT CAN UNFREEZE THE
* SCREEN. This will typically be done for you if you call
* sendNewConfiguration().
*
* The orientation is computed from non-application windows first. If none of
* the non-application windows specify orientation, the orientation is computed from
* application tokens.
* @see android.view.IWindowManager#updateOrientationFromAppTokens(
* android.os.IBinder)
*/
boolean updateOrientationFromAppTokensLocked(boolean inTransaction) {
boolean changed = false;
long ident = Binder.clearCallingIdentity();
try {
int req = computeForcedAppOrientationLocked();
if (req != mForcedAppOrientation) {
mForcedAppOrientation = req;
//send a message to Policy indicating orientation change to take
//action like disabling/enabling sensors etc.,
mPolicy.setCurrentOrientationLw(req);
if (updateRotationUncheckedLocked(inTransaction)) {
changed = true;
}
}
return changed;
} finally {
Binder.restoreCallingIdentity(ident);
}
}
int computeForcedAppOrientationLocked() {
int req = getOrientationFromWindowsLocked();
if (req == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED) {
req = getOrientationFromAppTokensLocked();
}
return req;
}
public void setNewConfiguration(Configuration config) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setNewConfiguration()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
mCurConfiguration = new Configuration(config);
mWaitingForConfig = false;
performLayoutAndPlaceSurfacesLocked();
}
}
public void setAppOrientation(IApplicationToken token, int requestedOrientation) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppOrientation()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken == null) {
Slog.w(TAG, "Attempted to set orientation of non-existing app token: " + token);
return;
}
wtoken.requestedOrientation = requestedOrientation;
}
}
public int getAppOrientation(IApplicationToken token) {
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token.asBinder());
if (wtoken == null) {
return ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
}
return wtoken.requestedOrientation;
}
}
public void setFocusedApp(IBinder token, boolean moveFocusNow) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setFocusedApp()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
boolean changed = false;
if (token == null) {
if (DEBUG_FOCUS) Slog.v(TAG, "Clearing focused app, was " + mFocusedApp);
changed = mFocusedApp != null;
mFocusedApp = null;
if (changed) {
mInputMonitor.setFocusedAppLw(null);
}
} else {
AppWindowToken newFocus = findAppWindowToken(token);
if (newFocus == null) {
Slog.w(TAG, "Attempted to set focus to non-existing app token: " + token);
return;
}
changed = mFocusedApp != newFocus;
mFocusedApp = newFocus;
if (DEBUG_FOCUS) Slog.v(TAG, "Set focused app to: " + mFocusedApp);
if (changed) {
mInputMonitor.setFocusedAppLw(newFocus);
}
}
if (moveFocusNow && changed) {
final long origId = Binder.clearCallingIdentity();
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
Binder.restoreCallingIdentity(origId);
}
}
}
public void prepareAppTransition(int transit, boolean alwaysKeepCurrent) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"prepareAppTransition()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Prepare app transition: transit=" + transit
+ " mNextAppTransition=" + mNextAppTransition);
if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()) {
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET
|| mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
mNextAppTransition = transit;
} else if (!alwaysKeepCurrent) {
if (transit == WindowManagerPolicy.TRANSIT_TASK_OPEN
&& mNextAppTransition == WindowManagerPolicy.TRANSIT_TASK_CLOSE) {
// Opening a new task always supersedes a close for the anim.
mNextAppTransition = transit;
} else if (transit == WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN
&& mNextAppTransition == WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE) {
// Opening a new activity always supersedes a close for the anim.
mNextAppTransition = transit;
}
}
mAppTransitionReady = false;
mAppTransitionTimeout = false;
mStartingIconInTransition = false;
mSkipAppTransitionAnimation = false;
mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.APP_TRANSITION_TIMEOUT),
5000);
}
}
}
public int getPendingAppTransition() {
return mNextAppTransition;
}
public void overridePendingAppTransition(String packageName,
int enterAnim, int exitAnim) {
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mNextAppTransitionPackage = packageName;
mNextAppTransitionEnter = enterAnim;
mNextAppTransitionExit = exitAnim;
}
}
public void executeAppTransition() {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"executeAppTransition()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_APP_TRANSITIONS) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Slog.w(TAG, "Execute app transition: mNextAppTransition="
+ mNextAppTransition, e);
}
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mAppTransitionReady = true;
final long origId = Binder.clearCallingIdentity();
performLayoutAndPlaceSurfacesLocked();
Binder.restoreCallingIdentity(origId);
}
}
}
public void setAppStartingWindow(IBinder token, String pkg,
int theme, CompatibilityInfo compatInfo,
CharSequence nonLocalizedLabel, int labelRes, int icon,
int windowFlags, IBinder transferFrom, boolean createIfNeeded) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppStartingIcon()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_STARTING_WINDOW) Slog.v(
TAG, "setAppStartingIcon: token=" + token + " pkg=" + pkg
+ " transferFrom=" + transferFrom);
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set icon of non-existing app token: " + token);
return;
}
// If the display is frozen, we won't do anything until the
// actual window is displayed so there is no reason to put in
// the starting window.
if (mDisplayFrozen || !mDisplayEnabled || !mPolicy.isScreenOnFully()) {
return;
}
if (wtoken.startingData != null) {
return;
}
if (transferFrom != null) {
AppWindowToken ttoken = findAppWindowToken(transferFrom);
if (ttoken != null) {
WindowState startingWindow = ttoken.startingWindow;
if (startingWindow != null) {
if (mStartingIconInTransition) {
// In this case, the starting icon has already
// been displayed, so start letting windows get
// shown immediately without any more transitions.
mSkipAppTransitionAnimation = true;
}
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Moving existing starting from " + ttoken
+ " to " + wtoken);
final long origId = Binder.clearCallingIdentity();
// Transfer the starting window over to the new
// token.
wtoken.startingData = ttoken.startingData;
wtoken.startingView = ttoken.startingView;
wtoken.startingWindow = startingWindow;
ttoken.startingData = null;
ttoken.startingView = null;
ttoken.startingWindow = null;
ttoken.startingMoved = true;
startingWindow.mToken = wtoken;
startingWindow.mRootToken = wtoken;
startingWindow.mAppToken = wtoken;
if (DEBUG_WINDOW_MOVEMENT || DEBUG_ADD_REMOVE) Slog.v(TAG,
"Removing starting window: " + startingWindow);
mWindows.remove(startingWindow);
mWindowsChanged = true;
if (DEBUG_ADD_REMOVE) Slog.v(TAG, "Removing starting " + startingWindow
+ " from " + ttoken);
ttoken.windows.remove(startingWindow);
ttoken.allAppWindows.remove(startingWindow);
addWindowToListInOrderLocked(startingWindow, true);
// Propagate other interesting state between the
// tokens. If the old token is displayed, we should
// immediately force the new one to be displayed. If
// it is animating, we need to move that animation to
// the new one.
if (ttoken.allDrawn) {
wtoken.allDrawn = true;
}
if (ttoken.firstWindowDrawn) {
wtoken.firstWindowDrawn = true;
}
if (!ttoken.hidden) {
wtoken.hidden = false;
wtoken.hiddenRequested = false;
wtoken.willBeHidden = false;
}
if (wtoken.clientHidden != ttoken.clientHidden) {
wtoken.clientHidden = ttoken.clientHidden;
wtoken.sendAppVisibilityToClients();
}
if (ttoken.animation != null) {
wtoken.animation = ttoken.animation;
wtoken.animating = ttoken.animating;
wtoken.animLayerAdjustment = ttoken.animLayerAdjustment;
ttoken.animation = null;
ttoken.animLayerAdjustment = 0;
wtoken.updateLayers();
ttoken.updateLayers();
}
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
true /*updateInputWindows*/);
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
Binder.restoreCallingIdentity(origId);
return;
} else if (ttoken.startingData != null) {
// The previous app was getting ready to show a
// starting window, but hasn't yet done so. Steal it!
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Moving pending starting from " + ttoken
+ " to " + wtoken);
wtoken.startingData = ttoken.startingData;
ttoken.startingData = null;
ttoken.startingMoved = true;
Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
// Note: we really want to do sendMessageAtFrontOfQueue() because we
// want to process the message ASAP, before any other queued
// messages.
mH.sendMessageAtFrontOfQueue(m);
return;
}
}
}
// There is no existing starting window, and the caller doesn't
// want us to create one, so that's it!
if (!createIfNeeded) {
return;
}
// If this is a translucent window, then don't
// show a starting window -- the current effect (a full-screen
// opaque starting window that fades away to the real contents
// when it is ready) does not work for this.
if (theme != 0) {
AttributeCache.Entry ent = AttributeCache.instance().get(pkg, theme,
com.android.internal.R.styleable.Window);
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsTranslucent, false)) {
return;
}
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowIsFloating, false)) {
return;
}
if (ent.array.getBoolean(
com.android.internal.R.styleable.Window_windowShowWallpaper, false)) {
if (mWallpaperTarget == null) {
// If this theme is requesting a wallpaper, and the wallpaper
// is not curently visible, then this effectively serves as
// an opaque window and our starting window transition animation
// can still work. We just need to make sure the starting window
// is also showing the wallpaper.
windowFlags |= WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
} else {
return;
}
}
}
mStartingIconInTransition = true;
wtoken.startingData = new StartingData(pkg, theme, compatInfo, nonLocalizedLabel,
labelRes, icon, windowFlags);
Message m = mH.obtainMessage(H.ADD_STARTING, wtoken);
// Note: we really want to do sendMessageAtFrontOfQueue() because we
// want to process the message ASAP, before any other queued
// messages.
mH.sendMessageAtFrontOfQueue(m);
}
}
public void setAppWillBeHidden(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppWillBeHidden()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken;
synchronized(mWindowMap) {
wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set will be hidden of non-existing app token: " + token);
return;
}
wtoken.willBeHidden = true;
}
}
boolean setTokenVisibilityLocked(AppWindowToken wtoken, WindowManager.LayoutParams lp,
boolean visible, int transit, boolean performLayout) {
boolean delayed = false;
if (wtoken.clientHidden == visible) {
wtoken.clientHidden = !visible;
wtoken.sendAppVisibilityToClients();
}
wtoken.willBeHidden = false;
if (wtoken.hidden == visible) {
final int N = wtoken.allAppWindows.size();
boolean changed = false;
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Changing app " + wtoken + " hidden=" + wtoken.hidden
+ " performLayout=" + performLayout);
boolean runningAppAnimation = false;
if (transit != WindowManagerPolicy.TRANSIT_UNSET) {
if (wtoken.animation == sDummyAnimation) {
wtoken.animation = null;
}
applyAnimationLocked(wtoken, lp, transit, visible);
changed = true;
if (wtoken.animation != null) {
delayed = runningAppAnimation = true;
}
}
for (int i=0; i<N; i++) {
WindowState win = wtoken.allAppWindows.get(i);
if (win == wtoken.startingWindow) {
continue;
}
if (win.isAnimating()) {
delayed = true;
}
//Slog.i(TAG, "Window " + win + ": vis=" + win.isVisible());
//win.dump(" ");
if (visible) {
if (!win.isVisibleNow()) {
if (!runningAppAnimation) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_ENTER, true);
}
changed = true;
}
} else if (win.isVisibleNow()) {
if (!runningAppAnimation) {
applyAnimationLocked(win,
WindowManagerPolicy.TRANSIT_EXIT, false);
}
changed = true;
}
}
wtoken.hidden = wtoken.hiddenRequested = !visible;
if (!visible) {
unsetAppFreezingScreenLocked(wtoken, true, true);
} else {
// If we are being set visible, and the starting window is
// not yet displayed, then make sure it doesn't get displayed.
WindowState swin = wtoken.startingWindow;
if (swin != null && (swin.mDrawPending
|| swin.mCommitDrawPending)) {
swin.mPolicyVisibility = false;
swin.mPolicyVisibilityAfterAnim = false;
}
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "setTokenVisibilityLocked: " + wtoken
+ ": hidden=" + wtoken.hidden + " hiddenRequested="
+ wtoken.hiddenRequested);
if (changed) {
mLayoutNeeded = true;
mInputMonitor.setUpdateInputWindowsNeededLw();
if (performLayout) {
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/);
performLayoutAndPlaceSurfacesLocked();
}
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
}
if (wtoken.animation != null) {
delayed = true;
}
return delayed;
}
public void setAppVisibility(IBinder token, boolean visible) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppVisibility()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken;
synchronized(mWindowMap) {
wtoken = findAppWindowToken(token);
if (wtoken == null) {
Slog.w(TAG, "Attempted to set visibility of non-existing app token: " + token);
return;
}
if (DEBUG_APP_TRANSITIONS || DEBUG_ORIENTATION) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.v(TAG, "setAppVisibility(" + token + ", " + visible
+ "): mNextAppTransition=" + mNextAppTransition
+ " hidden=" + wtoken.hidden
+ " hiddenRequested=" + wtoken.hiddenRequested, e);
}
// If we are preparing an app transition, then delay changing
// the visibility of this token until we execute that transition.
if (!mDisplayFrozen && mDisplayEnabled && mPolicy.isScreenOnFully()
&& mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
// Already in requested state, don't do anything more.
if (wtoken.hiddenRequested != visible) {
return;
}
wtoken.hiddenRequested = !visible;
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Setting dummy animation on: " + wtoken);
wtoken.setDummyAnimation();
mOpeningApps.remove(wtoken);
mClosingApps.remove(wtoken);
wtoken.waitingToShow = wtoken.waitingToHide = false;
wtoken.inPendingTransaction = true;
if (visible) {
mOpeningApps.add(wtoken);
wtoken.startingDisplayed = false;
wtoken.startingMoved = false;
// If the token is currently hidden (should be the
// common case), then we need to set up to wait for
// its windows to be ready.
if (wtoken.hidden) {
wtoken.allDrawn = false;
wtoken.waitingToShow = true;
if (wtoken.clientHidden) {
// In the case where we are making an app visible
// but holding off for a transition, we still need
// to tell the client to make its windows visible so
// they get drawn. Otherwise, we will wait on
// performing the transition until all windows have
// been drawn, they never will be, and we are sad.
wtoken.clientHidden = false;
wtoken.sendAppVisibilityToClients();
}
}
} else {
mClosingApps.add(wtoken);
// If the token is currently visible (should be the
// common case), then set up to wait for it to be hidden.
if (!wtoken.hidden) {
wtoken.waitingToHide = true;
}
}
return;
}
final long origId = Binder.clearCallingIdentity();
setTokenVisibilityLocked(wtoken, null, visible, WindowManagerPolicy.TRANSIT_UNSET,
true);
wtoken.updateReportedVisibilityLocked();
Binder.restoreCallingIdentity(origId);
}
}
void unsetAppFreezingScreenLocked(AppWindowToken wtoken,
boolean unfreezeSurfaceNow, boolean force) {
if (wtoken.freezingScreen) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + wtoken
+ " force=" + force);
final int N = wtoken.allAppWindows.size();
boolean unfrozeWindows = false;
for (int i=0; i<N; i++) {
WindowState w = wtoken.allAppWindows.get(i);
if (w.mAppFreezing) {
w.mAppFreezing = false;
if (w.mSurface != null && !w.mOrientationChanging) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "set mOrientationChanging of " + w);
w.mOrientationChanging = true;
}
unfrozeWindows = true;
}
}
if (force || unfrozeWindows) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "No longer freezing: " + wtoken);
wtoken.freezingScreen = false;
mAppsFreezingScreen--;
}
if (unfreezeSurfaceNow) {
if (unfrozeWindows) {
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
}
stopFreezingDisplayLocked();
}
}
}
public void startAppFreezingScreenLocked(AppWindowToken wtoken,
int configChanges) {
if (DEBUG_ORIENTATION) {
RuntimeException e = null;
if (!HIDE_STACK_CRAWLS) {
e = new RuntimeException();
e.fillInStackTrace();
}
Slog.i(TAG, "Set freezing of " + wtoken.appToken
+ ": hidden=" + wtoken.hidden + " freezing="
+ wtoken.freezingScreen, e);
}
if (!wtoken.hiddenRequested) {
if (!wtoken.freezingScreen) {
wtoken.freezingScreen = true;
mAppsFreezingScreen++;
if (mAppsFreezingScreen == 1) {
startFreezingDisplayLocked(false);
mH.removeMessages(H.APP_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.APP_FREEZE_TIMEOUT),
5000);
}
}
final int N = wtoken.allAppWindows.size();
for (int i=0; i<N; i++) {
WindowState w = wtoken.allAppWindows.get(i);
w.mAppFreezing = true;
}
}
}
public void startAppFreezingScreen(IBinder token, int configChanges) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppFreezingScreen()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (configChanges == 0 && !mDisplayFrozen && mPolicy.isScreenOnFully()) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Skipping set freeze of " + token);
return;
}
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null || wtoken.appToken == null) {
Slog.w(TAG, "Attempted to freeze screen with non-existing app token: " + wtoken);
return;
}
final long origId = Binder.clearCallingIdentity();
startAppFreezingScreenLocked(wtoken, configChanges);
Binder.restoreCallingIdentity(origId);
}
}
public void stopAppFreezingScreen(IBinder token, boolean force) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"setAppFreezingScreen()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
AppWindowToken wtoken = findAppWindowToken(token);
if (wtoken == null || wtoken.appToken == null) {
return;
}
final long origId = Binder.clearCallingIdentity();
if (DEBUG_ORIENTATION) Slog.v(TAG, "Clear freezing of " + token
+ ": hidden=" + wtoken.hidden + " freezing=" + wtoken.freezingScreen);
unsetAppFreezingScreenLocked(wtoken, true, force);
Binder.restoreCallingIdentity(origId);
}
}
public void removeAppToken(IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"removeAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
AppWindowToken wtoken = null;
AppWindowToken startingToken = null;
boolean delayed = false;
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
WindowToken basewtoken = mTokenMap.remove(token);
if (basewtoken != null && (wtoken=basewtoken.appWindowToken) != null) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "Removing app token: " + wtoken);
delayed = setTokenVisibilityLocked(wtoken, null, false,
WindowManagerPolicy.TRANSIT_UNSET, true);
wtoken.inPendingTransaction = false;
mOpeningApps.remove(wtoken);
wtoken.waitingToShow = false;
if (mClosingApps.contains(wtoken)) {
delayed = true;
} else if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mClosingApps.add(wtoken);
wtoken.waitingToHide = true;
delayed = true;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(
TAG, "Removing app " + wtoken + " delayed=" + delayed
+ " animation=" + wtoken.animation
+ " animating=" + wtoken.animating);
if (delayed) {
// set the token aside because it has an active animation to be finished
if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
"removeAppToken make exiting: " + wtoken);
mExitingAppTokens.add(wtoken);
} else {
// Make sure there is no animation running on this token,
// so any windows associated with it will be removed as
// soon as their animations are complete
wtoken.animation = null;
wtoken.animating = false;
}
if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
"removeAppToken: " + wtoken);
mAppTokens.remove(wtoken);
wtoken.removed = true;
if (wtoken.startingData != null) {
startingToken = wtoken;
}
unsetAppFreezingScreenLocked(wtoken, true, true);
if (mFocusedApp == wtoken) {
if (DEBUG_FOCUS) Slog.v(TAG, "Removing focused app token:" + wtoken);
mFocusedApp = null;
updateFocusedWindowLocked(UPDATE_FOCUS_NORMAL, true /*updateInputWindows*/);
mInputMonitor.setFocusedAppLw(null);
}
} else {
Slog.w(TAG, "Attempted to remove non-existing app token: " + token);
}
if (!delayed && wtoken != null) {
wtoken.updateReportedVisibilityLocked();
}
}
Binder.restoreCallingIdentity(origId);
if (startingToken != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Schedule remove starting "
+ startingToken + ": app token removed");
Message m = mH.obtainMessage(H.REMOVE_STARTING, startingToken);
mH.sendMessage(m);
}
}
private boolean tmpRemoveAppWindowsLocked(WindowToken token) {
final int NW = token.windows.size();
for (int i=0; i<NW; i++) {
WindowState win = token.windows.get(i);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Tmp removing app window " + win);
mWindows.remove(win);
mWindowsChanged = true;
int j = win.mChildWindows.size();
while (j > 0) {
j--;
WindowState cwin = win.mChildWindows.get(j);
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Tmp removing child window " + cwin);
mWindows.remove(cwin);
}
}
return NW > 0;
}
void dumpAppTokensLocked() {
for (int i=mAppTokens.size()-1; i>=0; i--) {
Slog.v(TAG, " #" + i + ": " + mAppTokens.get(i).token);
}
}
void dumpWindowsLocked() {
for (int i=mWindows.size()-1; i>=0; i--) {
Slog.v(TAG, " #" + i + ": " + mWindows.get(i));
}
}
private int findWindowOffsetLocked(int tokenPos) {
final int NW = mWindows.size();
if (tokenPos >= mAppTokens.size()) {
int i = NW;
while (i > 0) {
i--;
WindowState win = mWindows.get(i);
if (win.getAppToken() != null) {
return i+1;
}
}
}
while (tokenPos > 0) {
// Find the first app token below the new position that has
// a window displayed.
final AppWindowToken wtoken = mAppTokens.get(tokenPos-1);
if (DEBUG_REORDER) Slog.v(TAG, "Looking for lower windows @ "
+ tokenPos + " -- " + wtoken.token);
if (wtoken.sendingToBottom) {
if (DEBUG_REORDER) Slog.v(TAG,
"Skipping token -- currently sending to bottom");
tokenPos--;
continue;
}
int i = wtoken.windows.size();
while (i > 0) {
i--;
WindowState win = wtoken.windows.get(i);
int j = win.mChildWindows.size();
while (j > 0) {
j--;
WindowState cwin = win.mChildWindows.get(j);
if (cwin.mSubLayer >= 0) {
for (int pos=NW-1; pos>=0; pos--) {
if (mWindows.get(pos) == cwin) {
if (DEBUG_REORDER) Slog.v(TAG,
"Found child win @" + (pos+1));
return pos+1;
}
}
}
}
for (int pos=NW-1; pos>=0; pos--) {
if (mWindows.get(pos) == win) {
if (DEBUG_REORDER) Slog.v(TAG, "Found win @" + (pos+1));
return pos+1;
}
}
}
tokenPos--;
}
return 0;
}
private final int reAddWindowLocked(int index, WindowState win) {
final int NCW = win.mChildWindows.size();
boolean added = false;
for (int j=0; j<NCW; j++) {
WindowState cwin = win.mChildWindows.get(j);
if (!added && cwin.mSubLayer >= 0) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding child window at "
+ index + ": " + cwin);
win.mRebuilding = false;
mWindows.add(index, win);
index++;
added = true;
}
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ index + ": " + cwin);
cwin.mRebuilding = false;
mWindows.add(index, cwin);
index++;
}
if (!added) {
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG, "Re-adding window at "
+ index + ": " + win);
win.mRebuilding = false;
mWindows.add(index, win);
index++;
}
mWindowsChanged = true;
return index;
}
private final int reAddAppWindowsLocked(int index, WindowToken token) {
final int NW = token.windows.size();
for (int i=0; i<NW; i++) {
index = reAddWindowLocked(index, token.windows.get(i));
}
return index;
}
public void moveAppToken(int index, IBinder token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppToken()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized(mWindowMap) {
if (DEBUG_REORDER) Slog.v(TAG, "Initial app tokens:");
if (DEBUG_REORDER) dumpAppTokensLocked();
final AppWindowToken wtoken = findAppWindowToken(token);
if (DEBUG_TOKEN_MOVEMENT || DEBUG_REORDER) Slog.v(TAG,
"Start moving token " + wtoken + " initially at "
+ mAppTokens.indexOf(wtoken));
if (wtoken == null || !mAppTokens.remove(wtoken)) {
Slog.w(TAG, "Attempting to reorder token that doesn't exist: "
+ token + " (" + wtoken + ")");
return;
}
mAppTokens.add(index, wtoken);
if (DEBUG_REORDER) Slog.v(TAG, "Moved " + token + " to " + index + ":");
else if (DEBUG_TOKEN_MOVEMENT) Slog.v(TAG, "Moved " + token + " to " + index);
if (DEBUG_REORDER) dumpAppTokensLocked();
final long origId = Binder.clearCallingIdentity();
if (DEBUG_REORDER) Slog.v(TAG, "Removing windows in " + token + ":");
if (DEBUG_REORDER) dumpWindowsLocked();
if (tmpRemoveAppWindowsLocked(wtoken)) {
if (DEBUG_REORDER) Slog.v(TAG, "Adding windows back in:");
if (DEBUG_REORDER) dumpWindowsLocked();
reAddAppWindowsLocked(findWindowOffsetLocked(index), wtoken);
if (DEBUG_REORDER) Slog.v(TAG, "Final window list:");
if (DEBUG_REORDER) dumpWindowsLocked();
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/);
mLayoutNeeded = true;
mInputMonitor.setUpdateInputWindowsNeededLw();
performLayoutAndPlaceSurfacesLocked();
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
Binder.restoreCallingIdentity(origId);
}
}
private void removeAppTokensLocked(List<IBinder> tokens) {
// XXX This should be done more efficiently!
// (take advantage of the fact that both lists should be
// ordered in the same way.)
int N = tokens.size();
for (int i=0; i<N; i++) {
IBinder token = tokens.get(i);
final AppWindowToken wtoken = findAppWindowToken(token);
if (DEBUG_REORDER || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
"Temporarily removing " + wtoken + " from " + mAppTokens.indexOf(wtoken));
if (!mAppTokens.remove(wtoken)) {
Slog.w(TAG, "Attempting to reorder token that doesn't exist: "
+ token + " (" + wtoken + ")");
i--;
N--;
}
}
}
private void moveAppWindowsLocked(AppWindowToken wtoken, int tokenPos,
boolean updateFocusAndLayout) {
// First remove all of the windows from the list.
tmpRemoveAppWindowsLocked(wtoken);
// Where to start adding?
int pos = findWindowOffsetLocked(tokenPos);
// And now add them back at the correct place.
pos = reAddAppWindowsLocked(pos, wtoken);
if (updateFocusAndLayout) {
mInputMonitor.setUpdateInputWindowsNeededLw();
if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/)) {
assignLayersLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
}
private void moveAppWindowsLocked(List<IBinder> tokens, int tokenPos) {
// First remove all of the windows from the list.
final int N = tokens.size();
int i;
for (i=0; i<N; i++) {
WindowToken token = mTokenMap.get(tokens.get(i));
if (token != null) {
tmpRemoveAppWindowsLocked(token);
}
}
// Where to start adding?
int pos = findWindowOffsetLocked(tokenPos);
// And now add them back at the correct place.
for (i=0; i<N; i++) {
WindowToken token = mTokenMap.get(tokens.get(i));
if (token != null) {
pos = reAddAppWindowsLocked(pos, token);
}
}
mInputMonitor.setUpdateInputWindowsNeededLw();
if (!updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/)) {
assignLayersLocked();
}
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
mInputMonitor.updateInputWindowsLw(false /*force*/);
//dump();
}
public void moveAppTokensToTop(List<IBinder> tokens) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppTokensToTop()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
removeAppTokensLocked(tokens);
final int N = tokens.size();
for (int i=0; i<N; i++) {
AppWindowToken wt = findAppWindowToken(tokens.get(i));
if (wt != null) {
if (DEBUG_TOKEN_MOVEMENT || DEBUG_REORDER) Slog.v(TAG,
"Adding next to top: " + wt);
mAppTokens.add(wt);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mToTopApps.remove(wt);
mToBottomApps.remove(wt);
mToTopApps.add(wt);
wt.sendingToBottom = false;
wt.sendingToTop = true;
}
}
}
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
moveAppWindowsLocked(tokens, mAppTokens.size());
}
}
Binder.restoreCallingIdentity(origId);
}
public void moveAppTokensToBottom(List<IBinder> tokens) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"moveAppTokensToBottom()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
final long origId = Binder.clearCallingIdentity();
synchronized(mWindowMap) {
removeAppTokensLocked(tokens);
final int N = tokens.size();
int pos = 0;
for (int i=0; i<N; i++) {
AppWindowToken wt = findAppWindowToken(tokens.get(i));
if (wt != null) {
if (DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
"Adding next to bottom: " + wt + " at " + pos);
mAppTokens.add(pos, wt);
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mToTopApps.remove(wt);
mToBottomApps.remove(wt);
mToBottomApps.add(i, wt);
wt.sendingToTop = false;
wt.sendingToBottom = true;
}
pos++;
}
}
if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
moveAppWindowsLocked(tokens, 0);
}
}
Binder.restoreCallingIdentity(origId);
}
// -------------------------------------------------------------
// Misc IWindowSession methods
// -------------------------------------------------------------
private boolean shouldAllowDisableKeyguard()
{
// We fail safe and prevent disabling keyguard in the unlikely event this gets
// called before DevicePolicyManagerService has started.
if (mAllowDisableKeyguard == ALLOW_DISABLE_UNKNOWN) {
DevicePolicyManager dpm = (DevicePolicyManager) mContext.getSystemService(
Context.DEVICE_POLICY_SERVICE);
if (dpm != null) {
mAllowDisableKeyguard = dpm.getPasswordQuality(null)
== DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED ?
ALLOW_DISABLE_YES : ALLOW_DISABLE_NO;
}
}
return mAllowDisableKeyguard == ALLOW_DISABLE_YES;
}
public void disableKeyguard(IBinder token, String tag) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
synchronized (mKeyguardTokenWatcher) {
mKeyguardTokenWatcher.acquire(token, tag);
}
}
public void reenableKeyguard(IBinder token) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
synchronized (mKeyguardTokenWatcher) {
mKeyguardTokenWatcher.release(token);
if (!mKeyguardTokenWatcher.isAcquired()) {
// If we are the last one to reenable the keyguard wait until
// we have actually finished reenabling until returning.
// It is possible that reenableKeyguard() can be called before
// the previous disableKeyguard() is handled, in which case
// neither mKeyguardTokenWatcher.acquired() or released() would
// be called. In that case mKeyguardDisabled will be false here
// and we have nothing to wait for.
while (mKeyguardDisabled) {
try {
mKeyguardTokenWatcher.wait();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
}
}
}
/**
* @see android.app.KeyguardManager#exitKeyguardSecurely
*/
public void exitKeyguardSecurely(final IOnKeyguardExitResult callback) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
mPolicy.exitKeyguardSecurely(new WindowManagerPolicy.OnKeyguardExitResult() {
public void onKeyguardExitResult(boolean success) {
try {
callback.onKeyguardExitResult(success);
} catch (RemoteException e) {
// Client has died, we don't care.
}
}
});
}
public boolean inKeyguardRestrictedInputMode() {
return mPolicy.inKeyguardRestrictedKeyInputMode();
}
public boolean isKeyguardLocked() {
return mPolicy.isKeyguardLocked();
}
public boolean isKeyguardSecure() {
return mPolicy.isKeyguardSecure();
}
public void dismissKeyguard() {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DISABLE_KEYGUARD)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Requires DISABLE_KEYGUARD permission");
}
synchronized(mWindowMap) {
mPolicy.dismissKeyguardLw();
}
}
public void closeSystemDialogs(String reason) {
synchronized(mWindowMap) {
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurface != null) {
try {
w.mClient.closeSystemDialogs(reason);
} catch (RemoteException e) {
}
}
}
}
}
static float fixScale(float scale) {
if (scale < 0) scale = 0;
else if (scale > 20) scale = 20;
return Math.abs(scale);
}
public void setAnimationScale(int which, float scale) {
if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
"setAnimationScale()")) {
throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
}
if (scale < 0) scale = 0;
else if (scale > 20) scale = 20;
scale = Math.abs(scale);
switch (which) {
case 0: mWindowAnimationScale = fixScale(scale); break;
case 1: mTransitionAnimationScale = fixScale(scale); break;
case 2: mAnimatorDurationScale = fixScale(scale); break;
}
// Persist setting
mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget();
}
public void setAnimationScales(float[] scales) {
if (!checkCallingPermission(android.Manifest.permission.SET_ANIMATION_SCALE,
"setAnimationScale()")) {
throw new SecurityException("Requires SET_ANIMATION_SCALE permission");
}
if (scales != null) {
if (scales.length >= 1) {
mWindowAnimationScale = fixScale(scales[0]);
}
if (scales.length >= 2) {
mTransitionAnimationScale = fixScale(scales[1]);
}
if (scales.length >= 3) {
mAnimatorDurationScale = fixScale(scales[2]);
}
}
// Persist setting
mH.obtainMessage(H.PERSIST_ANIMATION_SCALE).sendToTarget();
}
public float getAnimationScale(int which) {
switch (which) {
case 0: return mWindowAnimationScale;
case 1: return mTransitionAnimationScale;
case 2: return mAnimatorDurationScale;
}
return 0;
}
public float[] getAnimationScales() {
return new float[] { mWindowAnimationScale, mTransitionAnimationScale,
mAnimatorDurationScale };
}
public int getSwitchState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getSwitchState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getSwitchState(-1, InputDevice.SOURCE_ANY, sw);
}
public int getSwitchStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getSwitchStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getSwitchState(devid, InputDevice.SOURCE_ANY, sw);
}
public int getScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_ANY, sw);
}
public int getScancodeStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getScancodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScanCodeState(devid, InputDevice.SOURCE_ANY, sw);
}
public int getTrackballScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getTrackballScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_TRACKBALL, sw);
}
public int getDPadScancodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getDPadScancodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getScanCodeState(-1, InputDevice.SOURCE_DPAD, sw);
}
public int getKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_ANY, sw);
}
public int getKeycodeStateForDevice(int devid, int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getKeycodeStateForDevice()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeyCodeState(devid, InputDevice.SOURCE_ANY, sw);
}
public int getTrackballKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getTrackballKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_TRACKBALL, sw);
}
public int getDPadKeycodeState(int sw) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"getDPadKeycodeState()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.getKeyCodeState(-1, InputDevice.SOURCE_DPAD, sw);
}
public boolean hasKeys(int[] keycodes, boolean[] keyExists) {
return mInputManager.hasKeys(-1, InputDevice.SOURCE_ANY, keycodes, keyExists);
}
public InputChannel monitorInput(String inputChannelName) {
if (!checkCallingPermission(android.Manifest.permission.READ_INPUT_STATE,
"monitorInput()")) {
throw new SecurityException("Requires READ_INPUT_STATE permission");
}
return mInputManager.monitorInput(inputChannelName);
}
public void setInputFilter(InputFilter filter) {
mInputManager.setInputFilter(filter);
}
public InputDevice getInputDevice(int deviceId) {
return mInputManager.getInputDevice(deviceId);
}
public int[] getInputDeviceIds() {
return mInputManager.getInputDeviceIds();
}
public void enableScreenAfterBoot() {
synchronized(mWindowMap) {
if (DEBUG_BOOT) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.i(TAG, "enableScreenAfterBoot: mDisplayEnabled=" + mDisplayEnabled
+ " mForceDisplayEnabled=" + mForceDisplayEnabled
+ " mShowingBootMessages=" + mShowingBootMessages
+ " mSystemBooted=" + mSystemBooted, here);
}
if (mSystemBooted) {
return;
}
mSystemBooted = true;
hideBootMessagesLocked();
// If the screen still doesn't come up after 30 seconds, give
// up and turn it on.
Message msg = mH.obtainMessage(H.BOOT_TIMEOUT);
mH.sendMessageDelayed(msg, 30*1000);
}
mPolicy.systemBooted();
performEnableScreen();
}
void enableScreenIfNeededLocked() {
if (DEBUG_BOOT) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.i(TAG, "enableScreenIfNeededLocked: mDisplayEnabled=" + mDisplayEnabled
+ " mForceDisplayEnabled=" + mForceDisplayEnabled
+ " mShowingBootMessages=" + mShowingBootMessages
+ " mSystemBooted=" + mSystemBooted, here);
}
if (mDisplayEnabled) {
return;
}
if (!mSystemBooted && !mShowingBootMessages) {
return;
}
mH.sendMessage(mH.obtainMessage(H.ENABLE_SCREEN));
}
public void performBootTimeout() {
synchronized(mWindowMap) {
if (mDisplayEnabled || mHeadless) {
return;
}
Slog.w(TAG, "***** BOOT TIMEOUT: forcing display enabled");
mForceDisplayEnabled = true;
}
performEnableScreen();
}
public void performEnableScreen() {
synchronized(mWindowMap) {
if (DEBUG_BOOT) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.i(TAG, "performEnableScreen: mDisplayEnabled=" + mDisplayEnabled
+ " mForceDisplayEnabled=" + mForceDisplayEnabled
+ " mShowingBootMessages=" + mShowingBootMessages
+ " mSystemBooted=" + mSystemBooted, here);
}
if (mDisplayEnabled) {
return;
}
if (!mSystemBooted && !mShowingBootMessages) {
return;
}
if (!mForceDisplayEnabled) {
// Don't enable the screen until all existing windows
// have been drawn.
boolean haveBootMsg = false;
boolean haveApp = false;
boolean haveWallpaper = false;
boolean haveKeyguard = true;
final int N = mWindows.size();
for (int i=0; i<N; i++) {
WindowState w = mWindows.get(i);
if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD) {
// Only if there is a keyguard attached to the window manager
// will we consider ourselves as having a keyguard. If it
// isn't attached, we don't know if it wants to be shown or
// hidden. If it is attached, we will say we have a keyguard
// if the window doesn't want to be visible, because in that
// case it explicitly doesn't want to be shown so we should
// not delay turning the screen on for it.
boolean vis = w.mViewVisibility == View.VISIBLE
&& w.mPolicyVisibility;
haveKeyguard = !vis;
}
if (w.isVisibleLw() && !w.mObscured && !w.isDrawnLw()) {
return;
}
if (w.isDrawnLw()) {
if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_BOOT_PROGRESS) {
haveBootMsg = true;
} else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_APPLICATION) {
haveApp = true;
} else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER) {
haveWallpaper = true;
} else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD) {
haveKeyguard = true;
}
}
}
if (DEBUG_SCREEN_ON || DEBUG_BOOT) {
Slog.i(TAG, "******** booted=" + mSystemBooted + " msg=" + mShowingBootMessages
+ " haveBoot=" + haveBootMsg + " haveApp=" + haveApp
+ " haveWall=" + haveWallpaper + " haveKeyguard=" + haveKeyguard);
}
// If we are turning on the screen to show the boot message,
// don't do it until the boot message is actually displayed.
if (!mSystemBooted && !haveBootMsg) {
return;
}
// If we are turning on the screen after the boot is completed
// normally, don't do so until we have the application and
// wallpaper.
if (mSystemBooted && ((!haveApp && !haveKeyguard) || !haveWallpaper)) {
return;
}
}
mDisplayEnabled = true;
if (DEBUG_SCREEN_ON || DEBUG_BOOT) Slog.i(TAG, "******************** ENABLING SCREEN!");
if (false) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
this.dump(null, pw, null);
Slog.i(TAG, sw.toString());
}
try {
IBinder surfaceFlinger = ServiceManager.getService("SurfaceFlinger");
if (surfaceFlinger != null) {
//Slog.i(TAG, "******* TELLING SURFACE FLINGER WE ARE BOOTED!");
Parcel data = Parcel.obtain();
data.writeInterfaceToken("android.ui.ISurfaceComposer");
surfaceFlinger.transact(IBinder.FIRST_CALL_TRANSACTION,
data, null, 0);
data.recycle();
}
} catch (RemoteException ex) {
Slog.e(TAG, "Boot completed: SurfaceFlinger is dead!");
}
}
mPolicy.enableScreenAfterBoot();
// Make sure the last requested orientation has been applied.
updateRotationUnchecked(false);
}
public void showBootMessage(final CharSequence msg, final boolean always) {
boolean first = false;
synchronized(mWindowMap) {
if (DEBUG_BOOT) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.i(TAG, "showBootMessage: msg=" + msg + " always=" + always
+ " mAllowBootMessages=" + mAllowBootMessages
+ " mShowingBootMessages=" + mShowingBootMessages
+ " mSystemBooted=" + mSystemBooted, here);
}
if (!mAllowBootMessages) {
return;
}
if (!mShowingBootMessages) {
if (!always) {
return;
}
first = true;
}
if (mSystemBooted) {
return;
}
mShowingBootMessages = true;
mPolicy.showBootMessage(msg, always);
}
if (first) {
performEnableScreen();
}
}
public void hideBootMessagesLocked() {
if (DEBUG_BOOT) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.i(TAG, "hideBootMessagesLocked: mDisplayEnabled=" + mDisplayEnabled
+ " mForceDisplayEnabled=" + mForceDisplayEnabled
+ " mShowingBootMessages=" + mShowingBootMessages
+ " mSystemBooted=" + mSystemBooted, here);
}
if (mShowingBootMessages) {
mShowingBootMessages = false;
mPolicy.hideBootMessages();
}
}
public void setInTouchMode(boolean mode) {
synchronized(mWindowMap) {
mInTouchMode = mode;
}
}
// TODO: more accounting of which pid(s) turned it on, keep count,
// only allow disables from pids which have count on, etc.
public void showStrictModeViolation(boolean on) {
if (mHeadless) return;
int pid = Binder.getCallingPid();
synchronized(mWindowMap) {
// Ignoring requests to enable the red border from clients
// which aren't on screen. (e.g. Broadcast Receivers in
// the background..)
if (on) {
boolean isVisible = false;
for (WindowState ws : mWindows) {
if (ws.mSession.mPid == pid && ws.isVisibleLw()) {
isVisible = true;
break;
}
}
if (!isVisible) {
return;
}
}
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
">>> OPEN TRANSACTION showStrictModeViolation");
Surface.openTransaction();
try {
if (mStrictModeFlash == null) {
mStrictModeFlash = new StrictModeFlash(mDisplay, mFxSession);
}
mStrictModeFlash.setVisibility(on);
} finally {
Surface.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION showStrictModeViolation");
}
}
}
public void setStrictModeVisualIndicatorPreference(String value) {
SystemProperties.set(StrictMode.VISUAL_PROPERTY, value);
}
/**
* Takes a snapshot of the screen. In landscape mode this grabs the whole screen.
* In portrait mode, it grabs the upper region of the screen based on the vertical dimension
* of the target image.
*
* @param width the width of the target bitmap
* @param height the height of the target bitmap
*/
public Bitmap screenshotApplications(IBinder appToken, int width, int height) {
if (!checkCallingPermission(android.Manifest.permission.READ_FRAME_BUFFER,
"screenshotApplications()")) {
throw new SecurityException("Requires READ_FRAME_BUFFER permission");
}
Bitmap rawss;
int maxLayer = 0;
final Rect frame = new Rect();
float scale;
int dw, dh;
int rot;
synchronized(mWindowMap) {
long ident = Binder.clearCallingIdentity();
dw = mAppDisplayWidth;
dh = mAppDisplayHeight;
int aboveAppLayer = mPolicy.windowTypeToLayerLw(
WindowManager.LayoutParams.TYPE_APPLICATION) * TYPE_LAYER_MULTIPLIER
+ TYPE_LAYER_OFFSET;
aboveAppLayer += TYPE_LAYER_MULTIPLIER;
boolean isImeTarget = mInputMethodTarget != null
&& mInputMethodTarget.mAppToken != null
&& mInputMethodTarget.mAppToken.appToken != null
&& mInputMethodTarget.mAppToken.appToken.asBinder() == appToken;
// Figure out the part of the screen that is actually the app.
boolean including = false;
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState ws = mWindows.get(i);
if (ws.mSurface == null) {
continue;
}
if (ws.mLayer >= aboveAppLayer) {
continue;
}
// When we will skip windows: when we are not including
// ones behind a window we didn't skip, and we are actually
// taking a screenshot of a specific app.
if (!including && appToken != null) {
// Also, we can possibly skip this window if it is not
// an IME target or the application for the screenshot
// is not the current IME target.
if (!ws.mIsImWindow || !isImeTarget) {
// And finally, this window is of no interest if it
// is not associated with the screenshot app.
if (ws.mAppToken == null || ws.mAppToken.token != appToken) {
continue;
}
}
}
// We keep on including windows until we go past a full-screen
// window.
including = !ws.mIsImWindow && !ws.isFullscreen(dw, dh);
if (maxLayer < ws.mAnimLayer) {
maxLayer = ws.mAnimLayer;
}
// Don't include wallpaper in bounds calculation
if (!ws.mIsWallpaper) {
final Rect wf = ws.mFrame;
final Rect cr = ws.mContentInsets;
int left = wf.left + cr.left;
int top = wf.top + cr.top;
int right = wf.right - cr.right;
int bottom = wf.bottom - cr.bottom;
frame.union(left, top, right, bottom);
}
}
Binder.restoreCallingIdentity(ident);
// Constrain frame to the screen size.
frame.intersect(0, 0, dw, dh);
if (frame.isEmpty() || maxLayer == 0) {
return null;
}
// The screenshot API does not apply the current screen rotation.
rot = mDisplay.getRotation();
int fw = frame.width();
int fh = frame.height();
// Constrain thumbnail to smaller of screen width or height. Assumes aspect
// of thumbnail is the same as the screen (in landscape) or square.
float targetWidthScale = width / (float) fw;
float targetHeightScale = height / (float) fh;
if (dw <= dh) {
scale = targetWidthScale;
// If aspect of thumbnail is the same as the screen (in landscape),
// select the slightly larger value so we fill the entire bitmap
if (targetHeightScale > scale && (int) (targetHeightScale * fw) == width) {
scale = targetHeightScale;
}
} else {
scale = targetHeightScale;
// If aspect of thumbnail is the same as the screen (in landscape),
// select the slightly larger value so we fill the entire bitmap
if (targetWidthScale > scale && (int) (targetWidthScale * fh) == height) {
scale = targetWidthScale;
}
}
// The screen shot will contain the entire screen.
dw = (int)(dw*scale);
dh = (int)(dh*scale);
if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) {
int tmp = dw;
dw = dh;
dh = tmp;
rot = (rot == Surface.ROTATION_90) ? Surface.ROTATION_270 : Surface.ROTATION_90;
}
if (DEBUG_SCREENSHOT) {
Slog.i(TAG, "Screenshot: " + dw + "x" + dh + " from 0 to " + maxLayer);
for (int i=0; i<mWindows.size(); i++) {
Slog.i(TAG, mWindows.get(i) + ": " + mWindows.get(i).mLayer
+ " animLayer=" + mWindows.get(i).mAnimLayer
+ " surfaceLayer=" + mWindows.get(i).mSurfaceLayer);
}
}
rawss = Surface.screenshot(dw, dh, 0, maxLayer);
}
if (rawss == null) {
Slog.w(TAG, "Failure taking screenshot for (" + dw + "x" + dh
+ ") to layer " + maxLayer);
return null;
}
Bitmap bm = Bitmap.createBitmap(width, height, rawss.getConfig());
Matrix matrix = new Matrix();
ScreenRotationAnimation.createRotationMatrix(rot, dw, dh, matrix);
matrix.postTranslate(-(int)(frame.left*scale), -(int)(frame.top*scale));
Canvas canvas = new Canvas(bm);
canvas.drawBitmap(rawss, matrix, null);
canvas.setBitmap(null);
rawss.recycle();
return bm;
}
/**
* Freeze rotation changes. (Enable "rotation lock".)
* Persists across reboots.
* @param rotation The desired rotation to freeze to, or -1 to use the
* current rotation.
*/
public void freezeRotation(int rotation) {
if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION,
"freezeRotation()")) {
throw new SecurityException("Requires SET_ORIENTATION permission");
}
if (rotation < -1 || rotation > Surface.ROTATION_270) {
throw new IllegalArgumentException("Rotation argument must be -1 or a valid "
+ "rotation constant.");
}
if (DEBUG_ORIENTATION) Slog.v(TAG, "freezeRotation: mRotation=" + mRotation);
mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_LOCKED,
rotation == -1 ? mRotation : rotation);
updateRotationUnchecked(false);
}
/**
* Thaw rotation changes. (Disable "rotation lock".)
* Persists across reboots.
*/
public void thawRotation() {
if (!checkCallingPermission(android.Manifest.permission.SET_ORIENTATION,
"thawRotation()")) {
throw new SecurityException("Requires SET_ORIENTATION permission");
}
if (DEBUG_ORIENTATION) Slog.v(TAG, "thawRotation: mRotation=" + mRotation);
mPolicy.setUserRotationMode(WindowManagerPolicy.USER_ROTATION_FREE, 777); // rot not used
updateRotationUnchecked(false);
}
/**
* Recalculate the current rotation.
*
* Called by the window manager policy whenever the state of the system changes
* such that the current rotation might need to be updated, such as when the
* device is docked or rotated into a new posture.
*/
public void updateRotation(boolean alwaysSendConfiguration) {
updateRotationUnchecked(alwaysSendConfiguration);
}
/**
* Temporarily pauses rotation changes until resumed.
*
* This can be used to prevent rotation changes from occurring while the user is
* performing certain operations, such as drag and drop.
*
* This call nests and must be matched by an equal number of calls to {@link #resumeRotation}.
*/
void pauseRotationLocked() {
mDeferredRotationPauseCount += 1;
}
/**
* Resumes normal rotation changes after being paused.
*/
void resumeRotationLocked() {
if (mDeferredRotationPauseCount > 0) {
mDeferredRotationPauseCount -= 1;
if (mDeferredRotationPauseCount == 0) {
boolean changed = updateRotationUncheckedLocked(false);
if (changed) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
}
}
}
public void updateRotationUnchecked(
boolean alwaysSendConfiguration) {
if(DEBUG_ORIENTATION) Slog.v(TAG, "updateRotationUnchecked("
+ "alwaysSendConfiguration=" + alwaysSendConfiguration + ")");
long origId = Binder.clearCallingIdentity();
boolean changed;
synchronized(mWindowMap) {
changed = updateRotationUncheckedLocked(false);
}
if (changed || alwaysSendConfiguration) {
sendNewConfiguration();
}
Binder.restoreCallingIdentity(origId);
}
/**
* Updates the current rotation.
*
* Returns true if the rotation has been changed. In this case YOU
* MUST CALL sendNewConfiguration() TO UNFREEZE THE SCREEN.
*/
public boolean updateRotationUncheckedLocked(boolean inTransaction) {
if (mDeferredRotationPauseCount > 0) {
// Rotation updates have been paused temporarily. Defer the update until
// updates have been resumed.
if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, rotation is paused.");
return false;
}
if (mScreenRotationAnimation != null && mScreenRotationAnimation.isAnimating()) {
// Rotation updates cannot be performed while the previous rotation change
// animation is still in progress. Skip this update. We will try updating
// again after the animation is finished and the display is unfrozen.
if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, animation in progress.");
return false;
}
if (!mDisplayEnabled) {
// No point choosing a rotation if the display is not enabled.
if (DEBUG_ORIENTATION) Slog.v(TAG, "Deferring rotation, display is not enabled.");
return false;
}
// TODO: Implement forced rotation changes.
// Set mAltOrientation to indicate that the application is receiving
// an orientation that has different metrics than it expected.
// eg. Portrait instead of Landscape.
int rotation = mPolicy.rotationForOrientationLw(mForcedAppOrientation, mRotation);
boolean altOrientation = !mPolicy.rotationHasCompatibleMetricsLw(
mForcedAppOrientation, rotation);
if (DEBUG_ORIENTATION) {
Slog.v(TAG, "Application requested orientation "
+ mForcedAppOrientation + ", got rotation " + rotation
+ " which has " + (altOrientation ? "incompatible" : "compatible")
+ " metrics");
}
if (mRotation == rotation && mAltOrientation == altOrientation) {
// No change.
return false;
}
if (DEBUG_ORIENTATION) {
Slog.v(TAG,
"Rotation changed to " + rotation + (altOrientation ? " (alt)" : "")
+ " from " + mRotation + (mAltOrientation ? " (alt)" : "")
+ ", forceApp=" + mForcedAppOrientation);
}
mRotation = rotation;
mAltOrientation = altOrientation;
mPolicy.setRotationLw(mRotation);
mWindowsFreezingScreen = true;
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(H.WINDOW_FREEZE_TIMEOUT), 2000);
mWaitingForConfig = true;
mLayoutNeeded = true;
startFreezingDisplayLocked(inTransaction);
mInputManager.setDisplayOrientation(0, rotation);
// We need to update our screen size information to match the new
// rotation. Note that this is redundant with the later call to
// sendNewConfiguration() that must be called after this function
// returns... however we need to do the screen size part of that
// before then so we have the correct size to use when initializiation
// the rotation animation for the new rotation.
computeScreenConfigurationLocked(null);
if (!inTransaction) {
if (SHOW_TRANSACTIONS) Slog.i(TAG,
">>> OPEN TRANSACTION setRotationUnchecked");
Surface.openTransaction();
}
try {
// NOTE: We disable the rotation in the emulator because
// it doesn't support hardware OpenGL emulation yet.
if (CUSTOM_SCREEN_ROTATION && mScreenRotationAnimation != null
&& mScreenRotationAnimation.hasScreenshot()) {
if (mScreenRotationAnimation.setRotation(rotation, mFxSession,
MAX_ANIMATION_DURATION, mTransitionAnimationScale,
mCurDisplayWidth, mCurDisplayHeight)) {
scheduleAnimationLocked();
}
}
Surface.setOrientation(0, rotation);
} finally {
if (!inTransaction) {
Surface.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION setRotationUnchecked");
}
}
rebuildBlackFrame(inTransaction);
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurface != null) {
if (DEBUG_ORIENTATION) Slog.v(TAG, "Set mOrientationChanging of " + w);
w.mOrientationChanging = true;
}
}
for (int i=mRotationWatchers.size()-1; i>=0; i--) {
try {
mRotationWatchers.get(i).onRotationChanged(rotation);
} catch (RemoteException e) {
}
}
return true;
}
public int getRotation() {
return mRotation;
}
public int watchRotation(IRotationWatcher watcher) {
final IBinder watcherBinder = watcher.asBinder();
IBinder.DeathRecipient dr = new IBinder.DeathRecipient() {
public void binderDied() {
synchronized (mWindowMap) {
for (int i=0; i<mRotationWatchers.size(); i++) {
if (watcherBinder == mRotationWatchers.get(i).asBinder()) {
IRotationWatcher removed = mRotationWatchers.remove(i);
if (removed != null) {
removed.asBinder().unlinkToDeath(this, 0);
}
i--;
}
}
}
}
};
synchronized (mWindowMap) {
try {
watcher.asBinder().linkToDeath(dr, 0);
mRotationWatchers.add(watcher);
} catch (RemoteException e) {
// Client died, no cleanup needed.
}
return mRotation;
}
}
/**
* Apps that use the compact menu panel (as controlled by the panelMenuIsCompact
* theme attribute) on devices that feature a physical options menu key attempt to position
* their menu panel window along the edge of the screen nearest the physical menu key.
* This lowers the travel distance between invoking the menu panel and selecting
* a menu option.
*
* This method helps control where that menu is placed. Its current implementation makes
* assumptions about the menu key and its relationship to the screen based on whether
* the device's natural orientation is portrait (width < height) or landscape.
*
* The menu key is assumed to be located along the bottom edge of natural-portrait
* devices and along the right edge of natural-landscape devices. If these assumptions
* do not hold for the target device, this method should be changed to reflect that.
*
* @return A {@link Gravity} value for placing the options menu window
*/
public int getPreferredOptionsPanelGravity() {
synchronized (mWindowMap) {
final int rotation = getRotation();
if (mInitialDisplayWidth < mInitialDisplayHeight) {
// On devices with a natural orientation of portrait
switch (rotation) {
default:
case Surface.ROTATION_0:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_90:
return Gravity.RIGHT | Gravity.BOTTOM;
case Surface.ROTATION_180:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_270:
return Gravity.LEFT | Gravity.BOTTOM;
}
} else {
// On devices with a natural orientation of landscape
switch (rotation) {
default:
case Surface.ROTATION_0:
return Gravity.RIGHT | Gravity.BOTTOM;
case Surface.ROTATION_90:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
case Surface.ROTATION_180:
return Gravity.LEFT | Gravity.BOTTOM;
case Surface.ROTATION_270:
return Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
}
}
}
}
/**
* Starts the view server on the specified port.
*
* @param port The port to listener to.
*
* @return True if the server was successfully started, false otherwise.
*
* @see com.android.server.wm.ViewServer
* @see com.android.server.wm.ViewServer#VIEW_SERVER_DEFAULT_PORT
*/
public boolean startViewServer(int port) {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "startViewServer")) {
return false;
}
if (port < 1024) {
return false;
}
if (mViewServer != null) {
if (!mViewServer.isRunning()) {
try {
return mViewServer.start();
} catch (IOException e) {
Slog.w(TAG, "View server did not start");
}
}
return false;
}
try {
mViewServer = new ViewServer(this, port);
return mViewServer.start();
} catch (IOException e) {
Slog.w(TAG, "View server did not start");
}
return false;
}
private boolean isSystemSecure() {
return "1".equals(SystemProperties.get(SYSTEM_SECURE, "1")) &&
"0".equals(SystemProperties.get(SYSTEM_DEBUGGABLE, "0"));
}
/**
* Stops the view server if it exists.
*
* @return True if the server stopped, false if it wasn't started or
* couldn't be stopped.
*
* @see com.android.server.wm.ViewServer
*/
public boolean stopViewServer() {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "stopViewServer")) {
return false;
}
if (mViewServer != null) {
return mViewServer.stop();
}
return false;
}
/**
* Indicates whether the view server is running.
*
* @return True if the server is running, false otherwise.
*
* @see com.android.server.wm.ViewServer
*/
public boolean isViewServerRunning() {
if (isSystemSecure()) {
return false;
}
if (!checkCallingPermission(Manifest.permission.DUMP, "isViewServerRunning")) {
return false;
}
return mViewServer != null && mViewServer.isRunning();
}
/**
* Lists all availble windows in the system. The listing is written in the
* specified Socket's output stream with the following syntax:
* windowHashCodeInHexadecimal windowName
* Each line of the ouput represents a different window.
*
* @param client The remote client to send the listing to.
* @return False if an error occured, true otherwise.
*/
boolean viewServerListWindows(Socket client) {
if (isSystemSecure()) {
return false;
}
boolean result = true;
WindowState[] windows;
synchronized (mWindowMap) {
//noinspection unchecked
windows = mWindows.toArray(new WindowState[mWindows.size()]);
}
BufferedWriter out = null;
// Any uncaught exception will crash the system process
try {
OutputStream clientStream = client.getOutputStream();
out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
final int count = windows.length;
for (int i = 0; i < count; i++) {
final WindowState w = windows[i];
out.write(Integer.toHexString(System.identityHashCode(w)));
out.write(' ');
out.append(w.mAttrs.getTitle());
out.write('\n');
}
out.write("DONE.\n");
out.flush();
} catch (Exception e) {
result = false;
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
result = false;
}
}
}
return result;
}
/**
* Returns the focused window in the following format:
* windowHashCodeInHexadecimal windowName
*
* @param client The remote client to send the listing to.
* @return False if an error occurred, true otherwise.
*/
boolean viewServerGetFocusedWindow(Socket client) {
if (isSystemSecure()) {
return false;
}
boolean result = true;
WindowState focusedWindow = getFocusedWindow();
BufferedWriter out = null;
// Any uncaught exception will crash the system process
try {
OutputStream clientStream = client.getOutputStream();
out = new BufferedWriter(new OutputStreamWriter(clientStream), 8 * 1024);
if(focusedWindow != null) {
out.write(Integer.toHexString(System.identityHashCode(focusedWindow)));
out.write(' ');
out.append(focusedWindow.mAttrs.getTitle());
}
out.write('\n');
out.flush();
} catch (Exception e) {
result = false;
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) {
result = false;
}
}
}
return result;
}
/**
* Sends a command to a target window. The result of the command, if any, will be
* written in the output stream of the specified socket.
*
* The parameters must follow this syntax:
* windowHashcode extra
*
* Where XX is the length in characeters of the windowTitle.
*
* The first parameter is the target window. The window with the specified hashcode
* will be the target. If no target can be found, nothing happens. The extra parameters
* will be delivered to the target window and as parameters to the command itself.
*
* @param client The remote client to sent the result, if any, to.
* @param command The command to execute.
* @param parameters The command parameters.
*
* @return True if the command was successfully delivered, false otherwise. This does
* not indicate whether the command itself was successful.
*/
boolean viewServerWindowCommand(Socket client, String command, String parameters) {
if (isSystemSecure()) {
return false;
}
boolean success = true;
Parcel data = null;
Parcel reply = null;
BufferedWriter out = null;
// Any uncaught exception will crash the system process
try {
// Find the hashcode of the window
int index = parameters.indexOf(' ');
if (index == -1) {
index = parameters.length();
}
final String code = parameters.substring(0, index);
int hashCode = (int) Long.parseLong(code, 16);
// Extract the command's parameter after the window description
if (index < parameters.length()) {
parameters = parameters.substring(index + 1);
} else {
parameters = "";
}
final WindowState window = findWindow(hashCode);
if (window == null) {
return false;
}
data = Parcel.obtain();
data.writeInterfaceToken("android.view.IWindow");
data.writeString(command);
data.writeString(parameters);
data.writeInt(1);
ParcelFileDescriptor.fromSocket(client).writeToParcel(data, 0);
reply = Parcel.obtain();
final IBinder binder = window.mClient.asBinder();
// TODO: GET THE TRANSACTION CODE IN A SAFER MANNER
binder.transact(IBinder.FIRST_CALL_TRANSACTION, data, reply, 0);
reply.readException();
if (!client.isOutputShutdown()) {
out = new BufferedWriter(new OutputStreamWriter(client.getOutputStream()));
out.write("DONE\n");
out.flush();
}
} catch (Exception e) {
Slog.w(TAG, "Could not send command " + command + " with parameters " + parameters, e);
success = false;
} finally {
if (data != null) {
data.recycle();
}
if (reply != null) {
reply.recycle();
}
if (out != null) {
try {
out.close();
} catch (IOException e) {
}
}
}
return success;
}
public void addWindowChangeListener(WindowChangeListener listener) {
synchronized(mWindowMap) {
mWindowChangeListeners.add(listener);
}
}
public void removeWindowChangeListener(WindowChangeListener listener) {
synchronized(mWindowMap) {
mWindowChangeListeners.remove(listener);
}
}
private void notifyWindowsChanged() {
WindowChangeListener[] windowChangeListeners;
synchronized(mWindowMap) {
if(mWindowChangeListeners.isEmpty()) {
return;
}
windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()];
windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners);
}
int N = windowChangeListeners.length;
for(int i = 0; i < N; i++) {
windowChangeListeners[i].windowsChanged();
}
}
private void notifyFocusChanged() {
WindowChangeListener[] windowChangeListeners;
synchronized(mWindowMap) {
if(mWindowChangeListeners.isEmpty()) {
return;
}
windowChangeListeners = new WindowChangeListener[mWindowChangeListeners.size()];
windowChangeListeners = mWindowChangeListeners.toArray(windowChangeListeners);
}
int N = windowChangeListeners.length;
for(int i = 0; i < N; i++) {
windowChangeListeners[i].focusChanged();
}
}
private WindowState findWindow(int hashCode) {
if (hashCode == -1) {
return getFocusedWindow();
}
synchronized (mWindowMap) {
final ArrayList<WindowState> windows = mWindows;
final int count = windows.size();
for (int i = 0; i < count; i++) {
WindowState w = windows.get(i);
if (System.identityHashCode(w) == hashCode) {
return w;
}
}
}
return null;
}
/*
* Instruct the Activity Manager to fetch the current configuration and broadcast
* that to config-changed listeners if appropriate.
*/
void sendNewConfiguration() {
try {
mActivityManager.updateConfiguration(null);
} catch (RemoteException e) {
}
}
public Configuration computeNewConfiguration() {
synchronized (mWindowMap) {
Configuration config = computeNewConfigurationLocked();
if (config == null && mWaitingForConfig) {
// Nothing changed but we are waiting for something... stop that!
mWaitingForConfig = false;
performLayoutAndPlaceSurfacesLocked();
}
return config;
}
}
Configuration computeNewConfigurationLocked() {
Configuration config = new Configuration();
config.fontScale = 0;
if (!computeScreenConfigurationLocked(config)) {
return null;
}
return config;
}
private int reduceConfigWidthSize(int curSize, int rotation, float density, int dw, int dh) {
int size = (int)(mPolicy.getConfigDisplayWidth(dw, dh, rotation) / density);
if (size < curSize) {
curSize = size;
}
return curSize;
}
private int reduceConfigLayout(int curLayout, int rotation, float density,
int dw, int dh) {
// Get the app screen size at this rotation.
int w = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation);
int h = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation);
// Compute the screen layout size class for this rotation.
int screenLayoutSize;
boolean screenLayoutLong;
boolean screenLayoutCompatNeeded;
int longSize = w;
int shortSize = h;
if (longSize < shortSize) {
int tmp = longSize;
longSize = shortSize;
shortSize = tmp;
}
longSize = (int)(longSize/density);
shortSize = (int)(shortSize/density);
// These semi-magic numbers define our compatibility modes for
// applications with different screens. These are guarantees to
// app developers about the space they can expect for a particular
// configuration. DO NOT CHANGE!
if (longSize < 470) {
// This is shorter than an HVGA normal density screen (which
// is 480 pixels on its long side).
screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_SMALL;
screenLayoutLong = false;
screenLayoutCompatNeeded = false;
} else {
// What size is this screen screen?
if (longSize >= 960 && shortSize >= 720) {
// 1.5xVGA or larger screens at medium density are the point
// at which we consider it to be an extra large screen.
screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_XLARGE;
} else if (longSize >= 640 && shortSize >= 480) {
// VGA or larger screens at medium density are the point
// at which we consider it to be a large screen.
screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_LARGE;
} else {
screenLayoutSize = Configuration.SCREENLAYOUT_SIZE_NORMAL;
}
// If this screen is wider than normal HVGA, or taller
// than FWVGA, then for old apps we want to run in size
// compatibility mode.
if (shortSize > 321 || longSize > 570) {
screenLayoutCompatNeeded = true;
} else {
screenLayoutCompatNeeded = false;
}
// Is this a long screen?
if (((longSize*3)/5) >= (shortSize-1)) {
// Anything wider than WVGA (5:3) is considering to be long.
screenLayoutLong = true;
} else {
screenLayoutLong = false;
}
}
// Now reduce the last screenLayout to not be better than what we
// have found.
if (!screenLayoutLong) {
curLayout = (curLayout&~Configuration.SCREENLAYOUT_LONG_MASK)
| Configuration.SCREENLAYOUT_LONG_NO;
}
if (screenLayoutCompatNeeded) {
curLayout |= Configuration.SCREENLAYOUT_COMPAT_NEEDED;
}
int curSize = curLayout&Configuration.SCREENLAYOUT_SIZE_MASK;
if (screenLayoutSize < curSize) {
curLayout = (curLayout&~Configuration.SCREENLAYOUT_SIZE_MASK)
| screenLayoutSize;
}
return curLayout;
}
private void computeSmallestWidthAndScreenLayout(boolean rotated, int dw, int dh,
float density, Configuration outConfig) {
// We need to determine the smallest width that will occur under normal
// operation. To this, start with the base screen size and compute the
// width under the different possible rotations. We need to un-rotate
// the current screen dimensions before doing this.
int unrotDw, unrotDh;
if (rotated) {
unrotDw = dh;
unrotDh = dw;
} else {
unrotDw = dw;
unrotDh = dh;
}
int sw = reduceConfigWidthSize(unrotDw, Surface.ROTATION_0, density, unrotDw, unrotDh);
sw = reduceConfigWidthSize(sw, Surface.ROTATION_90, density, unrotDh, unrotDw);
sw = reduceConfigWidthSize(sw, Surface.ROTATION_180, density, unrotDw, unrotDh);
sw = reduceConfigWidthSize(sw, Surface.ROTATION_270, density, unrotDh, unrotDw);
int sl = Configuration.SCREENLAYOUT_SIZE_XLARGE
| Configuration.SCREENLAYOUT_LONG_YES;
sl = reduceConfigLayout(sl, Surface.ROTATION_0, density, unrotDw, unrotDh);
sl = reduceConfigLayout(sl, Surface.ROTATION_90, density, unrotDh, unrotDw);
sl = reduceConfigLayout(sl, Surface.ROTATION_180, density, unrotDw, unrotDh);
sl = reduceConfigLayout(sl, Surface.ROTATION_270, density, unrotDh, unrotDw);
outConfig.smallestScreenWidthDp = sw;
outConfig.screenLayout = sl;
}
private int reduceCompatConfigWidthSize(int curSize, int rotation, DisplayMetrics dm,
int dw, int dh) {
dm.noncompatWidthPixels = mPolicy.getNonDecorDisplayWidth(dw, dh, rotation);
dm.noncompatHeightPixels = mPolicy.getNonDecorDisplayHeight(dw, dh, rotation);
float scale = CompatibilityInfo.computeCompatibleScaling(dm, null);
int size = (int)(((dm.noncompatWidthPixels / scale) / dm.density) + .5f);
if (curSize == 0 || size < curSize) {
curSize = size;
}
return curSize;
}
private int computeCompatSmallestWidth(boolean rotated, DisplayMetrics dm, int dw, int dh) {
mTmpDisplayMetrics.setTo(dm);
dm = mTmpDisplayMetrics;
int unrotDw, unrotDh;
if (rotated) {
unrotDw = dh;
unrotDh = dw;
} else {
unrotDw = dw;
unrotDh = dh;
}
int sw = reduceCompatConfigWidthSize(0, Surface.ROTATION_0, dm, unrotDw, unrotDh);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_90, dm, unrotDh, unrotDw);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_180, dm, unrotDw, unrotDh);
sw = reduceCompatConfigWidthSize(sw, Surface.ROTATION_270, dm, unrotDh, unrotDw);
return sw;
}
boolean computeScreenConfigurationLocked(Configuration config) {
if (mDisplay == null) {
return false;
}
// Use the effective "visual" dimensions based on current rotation
final boolean rotated = (mRotation == Surface.ROTATION_90
|| mRotation == Surface.ROTATION_270);
final int realdw = rotated ? mBaseDisplayHeight : mBaseDisplayWidth;
final int realdh = rotated ? mBaseDisplayWidth : mBaseDisplayHeight;
synchronized(mDisplaySizeLock) {
if (mAltOrientation) {
mCurDisplayWidth = realdw;
mCurDisplayHeight = realdh;
if (realdw > realdh) {
// Turn landscape into portrait.
int maxw = (int)(realdh/1.3f);
if (maxw < realdw) {
mCurDisplayWidth = maxw;
}
} else {
// Turn portrait into landscape.
int maxh = (int)(realdw/1.3f);
if (maxh < realdh) {
mCurDisplayHeight = maxh;
}
}
} else {
mCurDisplayWidth = realdw;
mCurDisplayHeight = realdh;
}
}
final int dw = mCurDisplayWidth;
final int dh = mCurDisplayHeight;
if (config != null) {
mInputManager.getInputConfiguration(config);
int orientation = Configuration.ORIENTATION_SQUARE;
if (dw < dh) {
orientation = Configuration.ORIENTATION_PORTRAIT;
} else if (dw > dh) {
orientation = Configuration.ORIENTATION_LANDSCAPE;
}
config.orientation = orientation;
}
// Update real display metrics.
mDisplay.getMetricsWithSize(mRealDisplayMetrics, mCurDisplayWidth, mCurDisplayHeight);
// Update application display metrics.
final DisplayMetrics dm = mDisplayMetrics;
final int appWidth = mPolicy.getNonDecorDisplayWidth(dw, dh, mRotation);
final int appHeight = mPolicy.getNonDecorDisplayHeight(dw, dh, mRotation);
synchronized(mDisplaySizeLock) {
mAppDisplayWidth = appWidth;
mAppDisplayHeight = appHeight;
}
if (false) {
Slog.i(TAG, "Set app display size: " + mAppDisplayWidth
+ " x " + mAppDisplayHeight);
}
mDisplay.getMetricsWithSize(dm, mAppDisplayWidth, mAppDisplayHeight);
mCompatibleScreenScale = CompatibilityInfo.computeCompatibleScaling(dm,
mCompatDisplayMetrics);
if (config != null) {
config.screenWidthDp = (int)(mPolicy.getConfigDisplayWidth(dw, dh, mRotation)
/ dm.density);
config.screenHeightDp = (int)(mPolicy.getConfigDisplayHeight(dw, dh, mRotation)
/ dm.density);
computeSmallestWidthAndScreenLayout(rotated, dw, dh, dm.density, config);
config.compatScreenWidthDp = (int)(config.screenWidthDp / mCompatibleScreenScale);
config.compatScreenHeightDp = (int)(config.screenHeightDp / mCompatibleScreenScale);
config.compatSmallestScreenWidthDp = computeCompatSmallestWidth(rotated, dm, dw, dh);
// Determine whether a hard keyboard is available and enabled.
boolean hardKeyboardAvailable = config.keyboard != Configuration.KEYBOARD_NOKEYS;
if (hardKeyboardAvailable != mHardKeyboardAvailable) {
mHardKeyboardAvailable = hardKeyboardAvailable;
mHardKeyboardEnabled = hardKeyboardAvailable;
mH.removeMessages(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE);
mH.sendEmptyMessage(H.REPORT_HARD_KEYBOARD_STATUS_CHANGE);
}
if (!mHardKeyboardEnabled) {
config.keyboard = Configuration.KEYBOARD_NOKEYS;
}
// Update value of keyboardHidden, hardKeyboardHidden and navigationHidden
// based on whether a hard or soft keyboard is present, whether navigation keys
// are present and the lid switch state.
config.keyboardHidden = Configuration.KEYBOARDHIDDEN_NO;
config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_NO;
config.navigationHidden = Configuration.NAVIGATIONHIDDEN_NO;
mPolicy.adjustConfigurationLw(config);
}
return true;
}
public boolean isHardKeyboardAvailable() {
synchronized (mWindowMap) {
return mHardKeyboardAvailable;
}
}
public boolean isHardKeyboardEnabled() {
synchronized (mWindowMap) {
return mHardKeyboardEnabled;
}
}
public void setHardKeyboardEnabled(boolean enabled) {
synchronized (mWindowMap) {
if (mHardKeyboardEnabled != enabled) {
mHardKeyboardEnabled = enabled;
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
}
}
public void setOnHardKeyboardStatusChangeListener(
OnHardKeyboardStatusChangeListener listener) {
synchronized (mWindowMap) {
mHardKeyboardStatusChangeListener = listener;
}
}
void notifyHardKeyboardStatusChange() {
final boolean available, enabled;
final OnHardKeyboardStatusChangeListener listener;
synchronized (mWindowMap) {
listener = mHardKeyboardStatusChangeListener;
available = mHardKeyboardAvailable;
enabled = mHardKeyboardEnabled;
}
if (listener != null) {
listener.onHardKeyboardStatusChange(available, enabled);
}
}
// -------------------------------------------------------------
// Drag and drop
// -------------------------------------------------------------
IBinder prepareDragSurface(IWindow window, SurfaceSession session,
int flags, int width, int height, Surface outSurface) {
if (DEBUG_DRAG) {
Slog.d(TAG, "prepare drag surface: w=" + width + " h=" + height
+ " flags=" + Integer.toHexString(flags) + " win=" + window
+ " asbinder=" + window.asBinder());
}
final int callerPid = Binder.getCallingPid();
final long origId = Binder.clearCallingIdentity();
IBinder token = null;
try {
synchronized (mWindowMap) {
try {
if (mDragState == null) {
Surface surface = new Surface(session, callerPid, "drag surface", 0,
width, height, PixelFormat.TRANSLUCENT, Surface.HIDDEN);
if (SHOW_TRANSACTIONS) Slog.i(TAG, " DRAG "
+ surface + ": CREATE");
outSurface.copyFrom(surface);
final IBinder winBinder = window.asBinder();
token = new Binder();
mDragState = new DragState(this, token, surface, /*flags*/ 0, winBinder);
token = mDragState.mToken = new Binder();
// 5 second timeout for this window to actually begin the drag
mH.removeMessages(H.DRAG_START_TIMEOUT, winBinder);
Message msg = mH.obtainMessage(H.DRAG_START_TIMEOUT, winBinder);
mH.sendMessageDelayed(msg, 5000);
} else {
Slog.w(TAG, "Drag already in progress");
}
} catch (Surface.OutOfResourcesException e) {
Slog.e(TAG, "Can't allocate drag surface w=" + width + " h=" + height, e);
if (mDragState != null) {
mDragState.reset();
mDragState = null;
}
}
}
} finally {
Binder.restoreCallingIdentity(origId);
}
return token;
}
// -------------------------------------------------------------
// Input Events and Focus Management
// -------------------------------------------------------------
final InputMonitor mInputMonitor = new InputMonitor(this);
public void pauseKeyDispatching(IBinder _token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"pauseKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
WindowToken token = mTokenMap.get(_token);
if (token != null) {
mInputMonitor.pauseDispatchingLw(token);
}
}
}
public void resumeKeyDispatching(IBinder _token) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"resumeKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
WindowToken token = mTokenMap.get(_token);
if (token != null) {
mInputMonitor.resumeDispatchingLw(token);
}
}
}
public void setEventDispatching(boolean enabled) {
if (!checkCallingPermission(android.Manifest.permission.MANAGE_APP_TOKENS,
"resumeKeyDispatching()")) {
throw new SecurityException("Requires MANAGE_APP_TOKENS permission");
}
synchronized (mWindowMap) {
mInputMonitor.setEventDispatchingLw(enabled);
}
sendScreenStatusToClients();
}
/**
* Injects a keystroke event into the UI.
* Even when sync is false, this method may block while waiting for current
* input events to be dispatched.
*
* @param ev A motion event describing the keystroke action. (Be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectKeyEvent(KeyEvent ev, boolean sync) {
long downTime = ev.getDownTime();
long eventTime = ev.getEventTime();
int action = ev.getAction();
int code = ev.getKeyCode();
int repeatCount = ev.getRepeatCount();
int metaState = ev.getMetaState();
int deviceId = ev.getDeviceId();
int scancode = ev.getScanCode();
int source = ev.getSource();
int flags = ev.getFlags();
if (source == InputDevice.SOURCE_UNKNOWN) {
source = InputDevice.SOURCE_KEYBOARD;
}
if (eventTime == 0) eventTime = SystemClock.uptimeMillis();
if (downTime == 0) downTime = eventTime;
KeyEvent newEvent = new KeyEvent(downTime, eventTime, action, code, repeatCount, metaState,
deviceId, scancode, flags | KeyEvent.FLAG_FROM_SYSTEM, source);
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
final int result = mInputManager.injectInputEvent(newEvent, pid, uid,
sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH
: InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT,
INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result, pid);
}
/**
* Inject a pointer (touch) event into the UI.
* Even when sync is false, this method may block while waiting for current
* input events to be dispatched.
*
* @param ev A motion event describing the pointer (touch) action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectPointerEvent(MotionEvent ev, boolean sync) {
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
MotionEvent newEvent = MotionEvent.obtain(ev);
if ((newEvent.getSource() & InputDevice.SOURCE_CLASS_POINTER) == 0) {
newEvent.setSource(InputDevice.SOURCE_TOUCHSCREEN);
}
final int result = mInputManager.injectInputEvent(newEvent, pid, uid,
sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH
: InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT,
INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result, pid);
}
/**
* Inject a trackball (navigation device) event into the UI.
* Even when sync is false, this method may block while waiting for current
* input events to be dispatched.
*
* @param ev A motion event describing the trackball action. (As noted in
* {@link MotionEvent#obtain(long, long, int, float, float, int)}, be sure to use
* {@link SystemClock#uptimeMillis()} as the timebase.)
* @param sync If true, wait for the event to be completed before returning to the caller.
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectTrackballEvent(MotionEvent ev, boolean sync) {
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
MotionEvent newEvent = MotionEvent.obtain(ev);
if ((newEvent.getSource() & InputDevice.SOURCE_CLASS_TRACKBALL) == 0) {
newEvent.setSource(InputDevice.SOURCE_TRACKBALL);
}
final int result = mInputManager.injectInputEvent(newEvent, pid, uid,
sync ? InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_FINISH
: InputManager.INPUT_EVENT_INJECTION_SYNC_WAIT_FOR_RESULT,
INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result, pid);
}
/**
* Inject an input event into the UI without waiting for dispatch to commence.
* This variant is useful for fire-and-forget input event injection. It does not
* block any longer than it takes to enqueue the input event.
*
* @param ev An input event. (Be sure to set the input source correctly.)
* @return Returns true if event was dispatched, false if it was dropped for any reason
*/
public boolean injectInputEventNoWait(InputEvent ev) {
final int pid = Binder.getCallingPid();
final int uid = Binder.getCallingUid();
final long ident = Binder.clearCallingIdentity();
final int result = mInputManager.injectInputEvent(ev, pid, uid,
InputManager.INPUT_EVENT_INJECTION_SYNC_NONE,
INJECTION_TIMEOUT_MILLIS);
Binder.restoreCallingIdentity(ident);
return reportInjectionResult(result, pid);
}
private boolean reportInjectionResult(int result, int pid) {
switch (result) {
case InputManager.INPUT_EVENT_INJECTION_PERMISSION_DENIED:
Slog.w(TAG, "Input event injection from pid " + pid + " permission denied.");
throw new SecurityException(
"Injecting to another application requires INJECT_EVENTS permission");
case InputManager.INPUT_EVENT_INJECTION_SUCCEEDED:
return true;
case InputManager.INPUT_EVENT_INJECTION_TIMED_OUT:
Slog.w(TAG, "Input event injection from pid " + pid + " timed out.");
return false;
case InputManager.INPUT_EVENT_INJECTION_FAILED:
default:
Slog.w(TAG, "Input event injection from pid " + pid + " failed.");
return false;
}
}
/**
* Temporarily set the pointer speed. Does not save the new setting.
* Used by the settings application.
*/
public void setPointerSpeed(int speed) {
if (!checkCallingPermission(android.Manifest.permission.SET_POINTER_SPEED,
"setPointerSpeed()")) {
throw new SecurityException("Requires SET_POINTER_SPEED permission");
}
mInputManager.setPointerSpeed(speed);
}
private WindowState getFocusedWindow() {
synchronized (mWindowMap) {
return getFocusedWindowLocked();
}
}
private WindowState getFocusedWindowLocked() {
return mCurrentFocus;
}
public boolean detectSafeMode() {
if (!mInputMonitor.waitForInputDevicesReady(
INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS)) {
Slog.w(TAG, "Devices still not ready after waiting "
+ INPUT_DEVICES_READY_FOR_SAFE_MODE_DETECTION_TIMEOUT_MILLIS
+ " milliseconds before attempting to detect safe mode.");
}
mSafeMode = mPolicy.detectSafeMode();
return mSafeMode;
}
public void displayReady() {
synchronized(mWindowMap) {
if (mDisplay != null) {
throw new IllegalStateException("Display already initialized");
}
WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
mDisplay = wm.getDefaultDisplay();
synchronized(mDisplaySizeLock) {
mInitialDisplayWidth = mDisplay.getRawWidth();
mInitialDisplayHeight = mDisplay.getRawHeight();
int rot = mDisplay.getRotation();
if (rot == Surface.ROTATION_90 || rot == Surface.ROTATION_270) {
// If the screen is currently rotated, we need to swap the
// initial width and height to get the true natural values.
int tmp = mInitialDisplayWidth;
mInitialDisplayWidth = mInitialDisplayHeight;
mInitialDisplayHeight = tmp;
}
mBaseDisplayWidth = mCurDisplayWidth = mAppDisplayWidth = mInitialDisplayWidth;
mBaseDisplayHeight = mCurDisplayHeight = mAppDisplayHeight = mInitialDisplayHeight;
}
mInputManager.setDisplaySize(Display.DEFAULT_DISPLAY,
mDisplay.getRawWidth(), mDisplay.getRawHeight(),
mDisplay.getRawExternalWidth(), mDisplay.getRawExternalHeight());
mPolicy.setInitialDisplaySize(mInitialDisplayWidth, mInitialDisplayHeight);
}
try {
mActivityManager.updateConfiguration(null);
} catch (RemoteException e) {
}
synchronized (mWindowMap) {
readForcedDisplaySizeLocked();
}
}
public void systemReady() {
mPolicy.systemReady();
}
private void sendScreenStatusToClients() {
final ArrayList<WindowState> windows = mWindows;
final int count = windows.size();
boolean on = mPowerManager.isScreenOn();
for (int i = count - 1; i >= 0; i--) {
WindowState win = mWindows.get(i);
try {
win.mClient.dispatchScreenState(on);
} catch (RemoteException e) {
// Ignored
}
}
}
// This is an animation that does nothing: it just immediately finishes
// itself every time it is called. It is used as a stub animation in cases
// where we want to synchronize multiple things that may be animating.
static final class DummyAnimation extends Animation {
public boolean getTransformation(long currentTime, Transformation outTransformation) {
return false;
}
}
static final Animation sDummyAnimation = new DummyAnimation();
// -------------------------------------------------------------
// Async Handler
// -------------------------------------------------------------
final class H extends Handler {
public static final int REPORT_FOCUS_CHANGE = 2;
public static final int REPORT_LOSING_FOCUS = 3;
public static final int DO_TRAVERSAL = 4;
public static final int ADD_STARTING = 5;
public static final int REMOVE_STARTING = 6;
public static final int FINISHED_STARTING = 7;
public static final int REPORT_APPLICATION_TOKEN_WINDOWS = 8;
public static final int REPORT_APPLICATION_TOKEN_DRAWN = 9;
public static final int WINDOW_FREEZE_TIMEOUT = 11;
public static final int HOLD_SCREEN_CHANGED = 12;
public static final int APP_TRANSITION_TIMEOUT = 13;
public static final int PERSIST_ANIMATION_SCALE = 14;
public static final int FORCE_GC = 15;
public static final int ENABLE_SCREEN = 16;
public static final int APP_FREEZE_TIMEOUT = 17;
public static final int SEND_NEW_CONFIGURATION = 18;
public static final int REPORT_WINDOWS_CHANGE = 19;
public static final int DRAG_START_TIMEOUT = 20;
public static final int DRAG_END_TIMEOUT = 21;
public static final int REPORT_HARD_KEYBOARD_STATUS_CHANGE = 22;
public static final int BOOT_TIMEOUT = 23;
public static final int WAITING_FOR_DRAWN_TIMEOUT = 24;
private Session mLastReportedHold;
public H() {
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case REPORT_FOCUS_CHANGE: {
WindowState lastFocus;
WindowState newFocus;
synchronized(mWindowMap) {
lastFocus = mLastFocus;
newFocus = mCurrentFocus;
if (lastFocus == newFocus) {
// Focus is not changing, so nothing to do.
return;
}
mLastFocus = newFocus;
//Slog.i(TAG, "Focus moving from " + lastFocus
// + " to " + newFocus);
if (newFocus != null && lastFocus != null
&& !newFocus.isDisplayedLw()) {
//Slog.i(TAG, "Delaying loss of focus...");
mLosingFocus.add(lastFocus);
lastFocus = null;
}
}
if (lastFocus != newFocus) {
//System.out.println("Changing focus from " + lastFocus
// + " to " + newFocus);
if (newFocus != null) {
try {
//Slog.i(TAG, "Gaining focus: " + newFocus);
newFocus.mClient.windowFocusChanged(true, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
notifyFocusChanged();
}
if (lastFocus != null) {
try {
//Slog.i(TAG, "Losing focus: " + lastFocus);
lastFocus.mClient.windowFocusChanged(false, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
}
}
} break;
case REPORT_LOSING_FOCUS: {
ArrayList<WindowState> losers;
synchronized(mWindowMap) {
losers = mLosingFocus;
mLosingFocus = new ArrayList<WindowState>();
}
final int N = losers.size();
for (int i=0; i<N; i++) {
try {
//Slog.i(TAG, "Losing delayed focus: " + losers.get(i));
losers.get(i).mClient.windowFocusChanged(false, mInTouchMode);
} catch (RemoteException e) {
// Ignore if process has died.
}
}
} break;
case DO_TRAVERSAL: {
synchronized(mWindowMap) {
mTraversalScheduled = false;
performLayoutAndPlaceSurfacesLocked();
}
} break;
case ADD_STARTING: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
final StartingData sd = wtoken.startingData;
if (sd == null) {
// Animation has been canceled... do nothing.
return;
}
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Add starting "
+ wtoken + ": pkg=" + sd.pkg);
View view = null;
try {
view = mPolicy.addStartingWindow(
wtoken.token, sd.pkg, sd.theme, sd.compatInfo,
sd.nonLocalizedLabel, sd.labelRes, sd.icon, sd.windowFlags);
} catch (Exception e) {
Slog.w(TAG, "Exception when adding starting window", e);
}
if (view != null) {
boolean abort = false;
synchronized(mWindowMap) {
if (wtoken.removed || wtoken.startingData == null) {
// If the window was successfully added, then
// we need to remove it.
if (wtoken.startingWindow != null) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Aborted starting " + wtoken
+ ": removed=" + wtoken.removed
+ " startingData=" + wtoken.startingData);
wtoken.startingWindow = null;
wtoken.startingData = null;
abort = true;
}
} else {
wtoken.startingView = view;
}
if (DEBUG_STARTING_WINDOW && !abort) Slog.v(TAG,
"Added starting " + wtoken
+ ": startingWindow="
+ wtoken.startingWindow + " startingView="
+ wtoken.startingView);
}
if (abort) {
try {
mPolicy.removeStartingWindow(wtoken.token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
}
} break;
case REMOVE_STARTING: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
IBinder token = null;
View view = null;
synchronized (mWindowMap) {
if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Remove starting "
+ wtoken + ": startingWindow="
+ wtoken.startingWindow + " startingView="
+ wtoken.startingView);
if (wtoken.startingWindow != null) {
view = wtoken.startingView;
token = wtoken.token;
wtoken.startingData = null;
wtoken.startingView = null;
wtoken.startingWindow = null;
}
}
if (view != null) {
try {
mPolicy.removeStartingWindow(token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
} break;
case FINISHED_STARTING: {
IBinder token = null;
View view = null;
while (true) {
synchronized (mWindowMap) {
final int N = mFinishedStarting.size();
if (N <= 0) {
break;
}
AppWindowToken wtoken = mFinishedStarting.remove(N-1);
if (DEBUG_STARTING_WINDOW) Slog.v(TAG,
"Finished starting " + wtoken
+ ": startingWindow=" + wtoken.startingWindow
+ " startingView=" + wtoken.startingView);
if (wtoken.startingWindow == null) {
continue;
}
view = wtoken.startingView;
token = wtoken.token;
wtoken.startingData = null;
wtoken.startingView = null;
wtoken.startingWindow = null;
}
try {
mPolicy.removeStartingWindow(token, view);
} catch (Exception e) {
Slog.w(TAG, "Exception when removing starting window", e);
}
}
} break;
case REPORT_APPLICATION_TOKEN_DRAWN: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
try {
if (DEBUG_VISIBILITY) Slog.v(
TAG, "Reporting drawn in " + wtoken);
wtoken.appToken.windowsDrawn();
} catch (RemoteException ex) {
}
} break;
case REPORT_APPLICATION_TOKEN_WINDOWS: {
final AppWindowToken wtoken = (AppWindowToken)msg.obj;
boolean nowVisible = msg.arg1 != 0;
boolean nowGone = msg.arg2 != 0;
try {
if (DEBUG_VISIBILITY) Slog.v(
TAG, "Reporting visible in " + wtoken
+ " visible=" + nowVisible
+ " gone=" + nowGone);
if (nowVisible) {
wtoken.appToken.windowsVisible();
} else {
wtoken.appToken.windowsGone();
}
} catch (RemoteException ex) {
}
} break;
case WINDOW_FREEZE_TIMEOUT: {
synchronized (mWindowMap) {
Slog.w(TAG, "Window freeze timeout expired.");
int i = mWindows.size();
while (i > 0) {
i--;
WindowState w = mWindows.get(i);
if (w.mOrientationChanging) {
w.mOrientationChanging = false;
Slog.w(TAG, "Force clearing orientation change: " + w);
}
}
performLayoutAndPlaceSurfacesLocked();
}
break;
}
case HOLD_SCREEN_CHANGED: {
Session oldHold;
Session newHold;
synchronized (mWindowMap) {
oldHold = mLastReportedHold;
newHold = (Session)msg.obj;
mLastReportedHold = newHold;
}
if (oldHold != newHold) {
try {
if (oldHold != null) {
mBatteryStats.noteStopWakelock(oldHold.mUid, -1,
"window",
BatteryStats.WAKE_TYPE_WINDOW);
}
if (newHold != null) {
mBatteryStats.noteStartWakelock(newHold.mUid, -1,
"window",
BatteryStats.WAKE_TYPE_WINDOW);
}
} catch (RemoteException e) {
}
}
break;
}
case APP_TRANSITION_TIMEOUT: {
synchronized (mWindowMap) {
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"*** APP TRANSITION TIMEOUT");
mAppTransitionReady = true;
mAppTransitionTimeout = true;
performLayoutAndPlaceSurfacesLocked();
}
}
break;
}
case PERSIST_ANIMATION_SCALE: {
Settings.System.putFloat(mContext.getContentResolver(),
Settings.System.WINDOW_ANIMATION_SCALE, mWindowAnimationScale);
Settings.System.putFloat(mContext.getContentResolver(),
Settings.System.TRANSITION_ANIMATION_SCALE, mTransitionAnimationScale);
Settings.System.putFloat(mContext.getContentResolver(),
Settings.System.ANIMATOR_DURATION_SCALE, mAnimatorDurationScale);
break;
}
case FORCE_GC: {
synchronized(mWindowMap) {
if (mAnimationScheduled) {
// If we are animating, don't do the gc now but
// delay a bit so we don't interrupt the animation.
mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC),
2000);
return;
}
// If we are currently rotating the display, it will
// schedule a new message when done.
if (mDisplayFrozen) {
return;
}
}
Runtime.getRuntime().gc();
break;
}
case ENABLE_SCREEN: {
performEnableScreen();
break;
}
case APP_FREEZE_TIMEOUT: {
synchronized (mWindowMap) {
Slog.w(TAG, "App freeze timeout expired.");
int i = mAppTokens.size();
while (i > 0) {
i--;
AppWindowToken tok = mAppTokens.get(i);
if (tok.freezingScreen) {
Slog.w(TAG, "Force clearing freeze: " + tok);
unsetAppFreezingScreenLocked(tok, true, true);
}
}
}
break;
}
case SEND_NEW_CONFIGURATION: {
removeMessages(SEND_NEW_CONFIGURATION);
sendNewConfiguration();
break;
}
case REPORT_WINDOWS_CHANGE: {
if (mWindowsChanged) {
synchronized (mWindowMap) {
mWindowsChanged = false;
}
notifyWindowsChanged();
}
break;
}
case DRAG_START_TIMEOUT: {
IBinder win = (IBinder)msg.obj;
if (DEBUG_DRAG) {
Slog.w(TAG, "Timeout starting drag by win " + win);
}
synchronized (mWindowMap) {
// !!! TODO: ANR the app that has failed to start the drag in time
if (mDragState != null) {
mDragState.unregister();
mInputMonitor.updateInputWindowsLw(true /*force*/);
mDragState.reset();
mDragState = null;
}
}
break;
}
case DRAG_END_TIMEOUT: {
IBinder win = (IBinder)msg.obj;
if (DEBUG_DRAG) {
Slog.w(TAG, "Timeout ending drag to win " + win);
}
synchronized (mWindowMap) {
// !!! TODO: ANR the drag-receiving app
if (mDragState != null) {
mDragState.mDragResult = false;
mDragState.endDragLw();
}
}
break;
}
case REPORT_HARD_KEYBOARD_STATUS_CHANGE: {
notifyHardKeyboardStatusChange();
break;
}
case BOOT_TIMEOUT: {
performBootTimeout();
break;
}
case WAITING_FOR_DRAWN_TIMEOUT: {
Pair<WindowState, IRemoteCallback> pair;
synchronized (mWindowMap) {
pair = (Pair<WindowState, IRemoteCallback>)msg.obj;
Slog.w(TAG, "Timeout waiting for drawn: " + pair.first);
if (!mWaitingForDrawn.remove(pair)) {
return;
}
}
try {
pair.second.sendResult(null);
} catch (RemoteException e) {
}
break;
}
}
}
}
// -------------------------------------------------------------
// IWindowManager API
// -------------------------------------------------------------
public IWindowSession openSession(IInputMethodClient client,
IInputContext inputContext) {
if (client == null) throw new IllegalArgumentException("null client");
if (inputContext == null) throw new IllegalArgumentException("null inputContext");
Session session = new Session(this, client, inputContext);
return session;
}
public boolean inputMethodClientHasFocus(IInputMethodClient client) {
synchronized (mWindowMap) {
// The focus for the client is the window immediately below
// where we would place the input method window.
int idx = findDesiredInputMethodWindowIndexLocked(false);
WindowState imFocus;
if (idx > 0) {
imFocus = mWindows.get(idx-1);
//Log.i(TAG, "Desired input method target: " + imFocus);
//Log.i(TAG, "Current focus: " + this.mCurrentFocus);
//Log.i(TAG, "Last focus: " + this.mLastFocus);
if (imFocus != null) {
// This may be a starting window, in which case we still want
// to count it as okay.
if (imFocus.mAttrs.type == LayoutParams.TYPE_APPLICATION_STARTING
&& imFocus.mAppToken != null) {
// The client has definitely started, so it really should
// have a window in this app token. Let's look for it.
for (int i=0; i<imFocus.mAppToken.windows.size(); i++) {
WindowState w = imFocus.mAppToken.windows.get(i);
if (w != imFocus) {
//Log.i(TAG, "Switching to real app window: " + w);
imFocus = w;
break;
}
}
}
//Log.i(TAG, "IM target client: " + imFocus.mSession.mClient);
//if (imFocus.mSession.mClient != null) {
// Log.i(TAG, "IM target client binder: " + imFocus.mSession.mClient.asBinder());
// Log.i(TAG, "Requesting client binder: " + client.asBinder());
//}
if (imFocus.mSession.mClient != null &&
imFocus.mSession.mClient.asBinder() == client.asBinder()) {
return true;
}
// Okay, how about this... what is the current focus?
// It seems in some cases we may not have moved the IM
// target window, such as when it was in a pop-up window,
// so let's also look at the current focus. (An example:
// go to Gmail, start searching so the keyboard goes up,
// press home. Sometimes the IME won't go down.)
// Would be nice to fix this more correctly, but it's
// way at the end of a release, and this should be good enough.
if (mCurrentFocus != null && mCurrentFocus.mSession.mClient != null &&
mCurrentFocus.mSession.mClient.asBinder() == client.asBinder()) {
return true;
}
}
}
}
return false;
}
public void getDisplaySize(Point size) {
synchronized(mDisplaySizeLock) {
size.x = mAppDisplayWidth;
size.y = mAppDisplayHeight;
}
}
public void getRealDisplaySize(Point size) {
synchronized(mDisplaySizeLock) {
size.x = mCurDisplayWidth;
size.y = mCurDisplayHeight;
}
}
public void getInitialDisplaySize(Point size) {
synchronized(mDisplaySizeLock) {
size.x = mInitialDisplayWidth;
size.y = mInitialDisplayHeight;
}
}
public int getMaximumSizeDimension() {
synchronized(mDisplaySizeLock) {
// Do this based on the raw screen size, until we are smarter.
return mBaseDisplayWidth > mBaseDisplayHeight
? mBaseDisplayWidth : mBaseDisplayHeight;
}
}
public void setForcedDisplaySize(int longDimen, int shortDimen) {
synchronized(mWindowMap) {
int width, height;
if (mInitialDisplayWidth < mInitialDisplayHeight) {
width = shortDimen < mInitialDisplayWidth
? shortDimen : mInitialDisplayWidth;
height = longDimen < mInitialDisplayHeight
? longDimen : mInitialDisplayHeight;
} else {
width = longDimen < mInitialDisplayWidth
? longDimen : mInitialDisplayWidth;
height = shortDimen < mInitialDisplayHeight
? shortDimen : mInitialDisplayHeight;
}
setForcedDisplaySizeLocked(width, height);
Settings.Secure.putString(mContext.getContentResolver(),
Settings.Secure.DISPLAY_SIZE_FORCED, width + "," + height);
}
}
private void rebuildBlackFrame(boolean inTransaction) {
if (!inTransaction) {
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
">>> OPEN TRANSACTION rebuildBlackFrame");
Surface.openTransaction();
}
try {
if (mBlackFrame != null) {
mBlackFrame.kill();
mBlackFrame = null;
}
if (mBaseDisplayWidth < mInitialDisplayWidth
|| mBaseDisplayHeight < mInitialDisplayHeight) {
int initW, initH, baseW, baseH;
final boolean rotated = (mRotation == Surface.ROTATION_90
|| mRotation == Surface.ROTATION_270);
if (rotated) {
initW = mInitialDisplayHeight;
initH = mInitialDisplayWidth;
baseW = mBaseDisplayHeight;
baseH = mBaseDisplayWidth;
} else {
initW = mInitialDisplayWidth;
initH = mInitialDisplayHeight;
baseW = mBaseDisplayWidth;
baseH = mBaseDisplayHeight;
}
Rect outer = new Rect(0, 0, initW, initH);
Rect inner = new Rect(0, 0, baseW, baseH);
try {
mBlackFrame = new BlackFrame(mFxSession, outer, inner, MASK_LAYER);
} catch (Surface.OutOfResourcesException e) {
}
}
} finally {
if (!inTransaction) {
Surface.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION rebuildBlackFrame");
}
}
}
private void readForcedDisplaySizeLocked() {
final String str = Settings.Secure.getString(mContext.getContentResolver(),
Settings.Secure.DISPLAY_SIZE_FORCED);
if (str == null || str.length() == 0) {
return;
}
final int pos = str.indexOf(',');
if (pos <= 0 || str.lastIndexOf(',') != pos) {
return;
}
int width, height;
try {
width = Integer.parseInt(str.substring(0, pos));
height = Integer.parseInt(str.substring(pos+1));
} catch (NumberFormatException ex) {
return;
}
setForcedDisplaySizeLocked(width, height);
}
private void setForcedDisplaySizeLocked(int width, int height) {
Slog.i(TAG, "Using new display size: " + width + "x" + height);
synchronized(mDisplaySizeLock) {
mBaseDisplayWidth = width;
mBaseDisplayHeight = height;
}
mPolicy.setInitialDisplaySize(mBaseDisplayWidth, mBaseDisplayHeight);
mLayoutNeeded = true;
boolean configChanged = updateOrientationFromAppTokensLocked(false);
mTempConfiguration.setToDefaults();
mTempConfiguration.fontScale = mCurConfiguration.fontScale;
if (computeScreenConfigurationLocked(mTempConfiguration)) {
if (mCurConfiguration.diff(mTempConfiguration) != 0) {
configChanged = true;
}
}
if (configChanged) {
mWaitingForConfig = true;
startFreezingDisplayLocked(false);
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
rebuildBlackFrame(false);
performLayoutAndPlaceSurfacesLocked();
}
public void clearForcedDisplaySize() {
synchronized(mWindowMap) {
setForcedDisplaySizeLocked(mInitialDisplayWidth, mInitialDisplayHeight);
Settings.Secure.putString(mContext.getContentResolver(),
Settings.Secure.DISPLAY_SIZE_FORCED, "");
}
}
public boolean canStatusBarHide() {
return mPolicy.canStatusBarHide();
}
// -------------------------------------------------------------
// Internals
// -------------------------------------------------------------
final WindowState windowForClientLocked(Session session, IWindow client,
boolean throwOnError) {
return windowForClientLocked(session, client.asBinder(), throwOnError);
}
final WindowState windowForClientLocked(Session session, IBinder client,
boolean throwOnError) {
WindowState win = mWindowMap.get(client);
if (localLOGV) Slog.v(
TAG, "Looking up client " + client + ": " + win);
if (win == null) {
RuntimeException ex = new IllegalArgumentException(
"Requested window " + client + " does not exist");
if (throwOnError) {
throw ex;
}
Slog.w(TAG, "Failed looking up window", ex);
return null;
}
if (session != null && win.mSession != session) {
RuntimeException ex = new IllegalArgumentException(
"Requested window " + client + " is in session " +
win.mSession + ", not " + session);
if (throwOnError) {
throw ex;
}
Slog.w(TAG, "Failed looking up window", ex);
return null;
}
return win;
}
final void rebuildAppWindowListLocked() {
int NW = mWindows.size();
int i;
int lastWallpaper = -1;
int numRemoved = 0;
if (mRebuildTmp.length < NW) {
mRebuildTmp = new WindowState[NW+10];
}
// First remove all existing app windows.
i=0;
while (i < NW) {
WindowState w = mWindows.get(i);
if (w.mAppToken != null) {
WindowState win = mWindows.remove(i);
win.mRebuilding = true;
mRebuildTmp[numRemoved] = win;
mWindowsChanged = true;
if (DEBUG_WINDOW_MOVEMENT) Slog.v(TAG,
"Rebuild removing window: " + win);
NW--;
numRemoved++;
continue;
} else if (w.mAttrs.type == WindowManager.LayoutParams.TYPE_WALLPAPER
&& lastWallpaper == i-1) {
lastWallpaper = i;
}
i++;
}
// The wallpaper window(s) typically live at the bottom of the stack,
// so skip them before adding app tokens.
lastWallpaper++;
i = lastWallpaper;
// First add all of the exiting app tokens... these are no longer
// in the main app list, but still have windows shown. We put them
// in the back because now that the animation is over we no longer
// will care about them.
int NT = mExitingAppTokens.size();
for (int j=0; j<NT; j++) {
i = reAddAppWindowsLocked(i, mExitingAppTokens.get(j));
}
// And add in the still active app tokens in Z order.
NT = mAppTokens.size();
for (int j=0; j<NT; j++) {
i = reAddAppWindowsLocked(i, mAppTokens.get(j));
}
i -= lastWallpaper;
if (i != numRemoved) {
Slog.w(TAG, "Rebuild removed " + numRemoved
+ " windows but added " + i);
for (i=0; i<numRemoved; i++) {
WindowState ws = mRebuildTmp[i];
if (ws.mRebuilding) {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
ws.dump(pw, "", true);
pw.flush();
Slog.w(TAG, "This window was lost: " + ws);
Slog.w(TAG, sw.toString());
}
}
Slog.w(TAG, "Current app token list:");
dumpAppTokensLocked();
Slog.w(TAG, "Final window list:");
dumpWindowsLocked();
}
}
private final void assignLayersLocked() {
int N = mWindows.size();
int curBaseLayer = 0;
int curLayer = 0;
int i;
if (DEBUG_LAYERS) {
RuntimeException here = new RuntimeException("here");
here.fillInStackTrace();
Slog.v(TAG, "Assigning layers", here);
}
for (i=0; i<N; i++) {
WindowState w = mWindows.get(i);
if (w.mBaseLayer == curBaseLayer || w.mIsImWindow
|| (i > 0 && w.mIsWallpaper)) {
curLayer += WINDOW_LAYER_MULTIPLIER;
w.mLayer = curLayer;
} else {
curBaseLayer = curLayer = w.mBaseLayer;
w.mLayer = curLayer;
}
if (w.mTargetAppToken != null) {
w.mAnimLayer = w.mLayer + w.mTargetAppToken.animLayerAdjustment;
} else if (w.mAppToken != null) {
w.mAnimLayer = w.mLayer + w.mAppToken.animLayerAdjustment;
} else {
w.mAnimLayer = w.mLayer;
}
if (w.mIsImWindow) {
w.mAnimLayer += mInputMethodAnimLayerAdjustment;
} else if (w.mIsWallpaper) {
w.mAnimLayer += mWallpaperAnimLayerAdjustment;
}
if (DEBUG_LAYERS) Slog.v(TAG, "Assign layer " + w + ": "
+ w.mAnimLayer);
//System.out.println(
// "Assigned layer " + curLayer + " to " + w.mClient.asBinder());
}
}
private boolean mInLayout = false;
private final void performLayoutAndPlaceSurfacesLocked() {
if (mInLayout) {
if (DEBUG) {
throw new RuntimeException("Recursive call!");
}
Slog.w(TAG, "performLayoutAndPlaceSurfacesLocked called while in layout");
return;
}
if (mWaitingForConfig) {
// Our configuration has changed (most likely rotation), but we
// don't yet have the complete configuration to report to
// applications. Don't do any window layout until we have it.
return;
}
if (mDisplay == null) {
// Not yet initialized, nothing to do.
return;
}
mInLayout = true;
boolean recoveringMemory = false;
try {
if (mForceRemoves != null) {
recoveringMemory = true;
// Wait a little bit for things to settle down, and off we go.
for (int i=0; i<mForceRemoves.size(); i++) {
WindowState ws = mForceRemoves.get(i);
Slog.i(TAG, "Force removing: " + ws);
removeWindowInnerLocked(ws.mSession, ws);
}
mForceRemoves = null;
Slog.w(TAG, "Due to memory failure, waiting a bit for next layout");
Object tmp = new Object();
synchronized (tmp) {
try {
tmp.wait(250);
} catch (InterruptedException e) {
}
}
}
} catch (RuntimeException e) {
Log.wtf(TAG, "Unhandled exception while force removing for memory", e);
}
try {
performLayoutAndPlaceSurfacesLockedInner(recoveringMemory);
final int N = mPendingRemove.size();
if (N > 0) {
if (mPendingRemoveTmp.length < N) {
mPendingRemoveTmp = new WindowState[N+10];
}
mPendingRemove.toArray(mPendingRemoveTmp);
mPendingRemove.clear();
for (int i=0; i<N; i++) {
WindowState w = mPendingRemoveTmp[i];
removeWindowInnerLocked(w.mSession, w);
}
mInLayout = false;
assignLayersLocked();
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
} else {
mInLayout = false;
if (mLayoutNeeded) {
requestTraversalLocked();
}
}
if (mWindowsChanged && !mWindowChangeListeners.isEmpty()) {
mH.removeMessages(H.REPORT_WINDOWS_CHANGE);
mH.sendMessage(mH.obtainMessage(H.REPORT_WINDOWS_CHANGE));
}
} catch (RuntimeException e) {
mInLayout = false;
Log.wtf(TAG, "Unhandled exception while laying out windows", e);
}
}
private final void performLayoutLockedInner(boolean initial, boolean updateInputWindows) {
if (!mLayoutNeeded) {
return;
}
mLayoutNeeded = false;
final int dw = mCurDisplayWidth;
final int dh = mCurDisplayHeight;
final int NFW = mFakeWindows.size();
for (int i=0; i<NFW; i++) {
mFakeWindows.get(i).layout(dw, dh);
}
final int N = mWindows.size();
int i;
if (DEBUG_LAYOUT) {
Slog.v(TAG, "-------------------------------------");
Slog.v(TAG, "performLayout: needed="
+ mLayoutNeeded + " dw=" + dw + " dh=" + dh);
}
mPolicy.beginLayoutLw(dw, dh, mRotation);
int seq = mLayoutSeq+1;
if (seq < 0) seq = 0;
mLayoutSeq = seq;
// First perform layout of any root windows (not attached
// to another window).
int topAttached = -1;
for (i = N-1; i >= 0; i--) {
final WindowState win = mWindows.get(i);
// Don't do layout of a window if it is not visible, or
// soon won't be visible, to avoid wasting time and funky
// changes while a window is animating away.
final boolean gone = win.isGoneForLayoutLw();
if (DEBUG_LAYOUT && !win.mLayoutAttached) {
Slog.v(TAG, "1ST PASS " + win
+ ": gone=" + gone + " mHaveFrame=" + win.mHaveFrame
+ " mLayoutAttached=" + win.mLayoutAttached);
final AppWindowToken atoken = win.mAppToken;
if (gone) Slog.v(TAG, " GONE: mViewVisibility="
+ win.mViewVisibility + " mRelayoutCalled="
+ win.mRelayoutCalled + " hidden="
+ win.mRootToken.hidden + " hiddenRequested="
+ (atoken != null && atoken.hiddenRequested)
+ " mAttachedHidden=" + win.mAttachedHidden);
else Slog.v(TAG, " VIS: mViewVisibility="
+ win.mViewVisibility + " mRelayoutCalled="
+ win.mRelayoutCalled + " hidden="
+ win.mRootToken.hidden + " hiddenRequested="
+ (atoken != null && atoken.hiddenRequested)
+ " mAttachedHidden=" + win.mAttachedHidden);
}
// If this view is GONE, then skip it -- keep the current
// frame, and let the caller know so they can ignore it
// if they want. (We do the normal layout for INVISIBLE
// windows, since that means "perform layout as normal,
// just don't display").
if (!gone || !win.mHaveFrame || win.mLayoutNeeded) {
if (!win.mLayoutAttached) {
if (initial) {
//Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial");
win.mContentChanged = false;
}
win.mLayoutNeeded = false;
win.prelayout();
mPolicy.layoutWindowLw(win, win.mAttrs, null);
win.mLayoutSeq = seq;
if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame="
+ win.mFrame + " mContainingFrame="
+ win.mContainingFrame + " mDisplayFrame="
+ win.mDisplayFrame);
} else {
if (topAttached < 0) topAttached = i;
}
}
}
// Now perform layout of attached windows, which usually
// depend on the position of the window they are attached to.
// XXX does not deal with windows that are attached to windows
// that are themselves attached.
for (i = topAttached; i >= 0; i--) {
final WindowState win = mWindows.get(i);
if (win.mLayoutAttached) {
if (DEBUG_LAYOUT) Slog.v(TAG, "2ND PASS " + win
+ " mHaveFrame=" + win.mHaveFrame
+ " mViewVisibility=" + win.mViewVisibility
+ " mRelayoutCalled=" + win.mRelayoutCalled);
// If this view is GONE, then skip it -- keep the current
// frame, and let the caller know so they can ignore it
// if they want. (We do the normal layout for INVISIBLE
// windows, since that means "perform layout as normal,
// just don't display").
if ((win.mViewVisibility != View.GONE && win.mRelayoutCalled)
|| !win.mHaveFrame || win.mLayoutNeeded) {
if (initial) {
//Slog.i(TAG, "Window " + this + " clearing mContentChanged - initial");
win.mContentChanged = false;
}
win.mLayoutNeeded = false;
win.prelayout();
mPolicy.layoutWindowLw(win, win.mAttrs, win.mAttachedWindow);
win.mLayoutSeq = seq;
if (DEBUG_LAYOUT) Slog.v(TAG, " LAYOUT: mFrame="
+ win.mFrame + " mContainingFrame="
+ win.mContainingFrame + " mDisplayFrame="
+ win.mDisplayFrame);
}
}
}
// Window frames may have changed. Tell the input dispatcher about it.
mInputMonitor.setUpdateInputWindowsNeededLw();
if (updateInputWindows) {
mInputMonitor.updateInputWindowsLw(false /*force*/);
}
mPolicy.finishLayoutLw();
}
void makeWindowFreezingScreenIfNeededLocked(WindowState w) {
// If the screen is currently frozen or off, then keep
// it frozen/off until this window draws at its new
// orientation.
if (mDisplayFrozen || !mPolicy.isScreenOnFully()) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Changing surface while display frozen: " + w);
w.mOrientationChanging = true;
if (!mWindowsFreezingScreen) {
mWindowsFreezingScreen = true;
// XXX should probably keep timeout from
// when we first froze the display.
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
mH.sendMessageDelayed(mH.obtainMessage(
H.WINDOW_FREEZE_TIMEOUT), 2000);
}
}
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
* Update animations of all applications, including those associated with exiting/removed apps.
*
* @param currentTime The time which animations use for calculating transitions.
* @param innerDw Width of app window.
* @param innerDh Height of app window.
*/
private void updateWindowsAppsAndRotationAnimationsLocked(long currentTime,
int innerDw, int innerDh) {
int i;
final int NAT = mAppTokens.size();
for (i=0; i<NAT; i++) {
final AppWindowToken appToken = mAppTokens.get(i);
if (appToken.stepAnimationLocked(currentTime, innerDw, innerDh)) {
mInnerFields.mAnimating = true;
}
}
final int NEAT = mExitingAppTokens.size();
for (i=0; i<NEAT; i++) {
final AppWindowToken appToken = mExitingAppTokens.get(i);
if (appToken.stepAnimationLocked(currentTime, innerDw, innerDh)) {
mInnerFields.mAnimating = true;
}
}
if (mScreenRotationAnimation != null) {
if (mScreenRotationAnimation.isAnimating() ||
mScreenRotationAnimation.mFinishAnimReady) {
if (mScreenRotationAnimation.stepAnimationLocked(currentTime)) {
mInnerFields.mUpdateRotation = false;
mInnerFields.mAnimating = true;
} else {
mInnerFields.mUpdateRotation = true;
mScreenRotationAnimation.kill();
mScreenRotationAnimation = null;
}
}
}
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @param currentTime The time which animations use for calculating transitions.
* @param dw Width of app window.
* @param dh Height of app window.
* @param innerDw Width of app window.
* @param innerDh Height of app window.
*/
private int updateWindowsAndWallpaperLocked(final long currentTime, final int dw, final int dh,
final int innerDw, final int innerDh) {
int changes = 0;
for (int i = mWindows.size() - 1; i >= 0; i--) {
WindowState w = mWindows.get(i);
final WindowManager.LayoutParams attrs = w.mAttrs;
if (w.mSurface != null) {
// Take care of the window being ready to display.
if (w.commitFinishDrawingLocked(currentTime)) {
if ((w.mAttrs.flags
& WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"First draw done in potential wallpaper target " + w);
mInnerFields.mWallpaperMayChange = true;
changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
}
}
// If the window has moved due to its containing
// content frame changing, then we'd like to animate
// it. The checks here are ordered by what is least
// likely to be true first.
if (w.shouldAnimateMove()) {
// Frame has moved, containing content frame
// has also moved, and we're not currently animating...
// let's do something.
Animation a = AnimationUtils.loadAnimation(mContext,
com.android.internal.R.anim.window_move_from_decor);
w.setAnimation(a);
w.mAnimDw = w.mLastFrame.left - w.mFrame.left;
w.mAnimDh = w.mLastFrame.top - w.mFrame.top;
} else {
w.mAnimDw = innerDw;
w.mAnimDh = innerDh;
}
final boolean wasAnimating = w.mWasAnimating;
final boolean nowAnimating = w.stepAnimationLocked(currentTime);
if (DEBUG_WALLPAPER) {
Slog.v(TAG, w + ": wasAnimating=" + wasAnimating +
", nowAnimating=" + nowAnimating);
}
// If this window is animating, make a note that we have
// an animating window and take care of a request to run
// a detached wallpaper animation.
if (nowAnimating) {
if (w.mAnimation != null) {
if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0
&& w.mAnimation.getDetachWallpaper()) {
mInnerFields.mDetachedWallpaper = w;
}
if (w.mAnimation.getBackgroundColor() != 0) {
if (mInnerFields.mWindowAnimationBackground == null
|| (w.mAnimLayer <
mInnerFields.mWindowAnimationBackground.mAnimLayer)) {
mInnerFields.mWindowAnimationBackground = w;
mInnerFields.mWindowAnimationBackgroundColor =
w.mAnimation.getBackgroundColor();
}
}
}
mInnerFields.mAnimating = true;
}
// If this window's app token is running a detached wallpaper
// animation, make a note so we can ensure the wallpaper is
// displayed behind it.
if (w.mAppToken != null && w.mAppToken.animation != null
&& w.mAppToken.animating) {
if ((w.mAttrs.flags&FLAG_SHOW_WALLPAPER) != 0
&& w.mAppToken.animation.getDetachWallpaper()) {
mInnerFields.mDetachedWallpaper = w;
}
if (w.mAppToken.animation.getBackgroundColor() != 0) {
if (mInnerFields.mWindowAnimationBackground == null
|| (w.mAnimLayer <
mInnerFields.mWindowAnimationBackground.mAnimLayer)) {
mInnerFields.mWindowAnimationBackground = w;
mInnerFields.mWindowAnimationBackgroundColor =
w.mAppToken.animation.getBackgroundColor();
}
}
}
if (wasAnimating && !w.mAnimating && mWallpaperTarget == w) {
mInnerFields.mWallpaperMayChange = true;
changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
}
if (mPolicy.doesForceHide(w, attrs)) {
if (!wasAnimating && nowAnimating) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Animation started that could impact force hide: "
+ w);
mInnerFields.mWallpaperForceHidingChanged = true;
changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
mFocusMayChange = true;
} else if (w.isReadyForDisplay() && w.mAnimation == null) {
mInnerFields.mForceHiding = true;
}
} else if (mPolicy.canBeForceHidden(w, attrs)) {
boolean changed;
if (mInnerFields.mForceHiding) {
changed = w.hideLw(false, false);
if (DEBUG_VISIBILITY && changed) Slog.v(TAG,
"Now policy hidden: " + w);
} else {
changed = w.showLw(false, false);
if (DEBUG_VISIBILITY && changed) Slog.v(TAG,
"Now policy shown: " + w);
if (changed) {
if (mInnerFields.mWallpaperForceHidingChanged
&& w.isVisibleNow() /*w.isReadyForDisplay()*/) {
// Assume we will need to animate. If
// we don't (because the wallpaper will
// stay with the lock screen), then we will
// clean up later.
Animation a = mPolicy.createForceHideEnterAnimation();
if (a != null) {
w.setAnimation(a);
}
}
if (mCurrentFocus == null ||
mCurrentFocus.mLayer < w.mLayer) {
// We are showing on to of the current
// focus, so re-evaluate focus to make
// sure it is correct.
mFocusMayChange = true;
}
}
}
if (changed && (attrs.flags
& WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER) != 0) {
mInnerFields.mWallpaperMayChange = true;
changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
}
}
}
final AppWindowToken atoken = w.mAppToken;
if (atoken != null && (!atoken.allDrawn || atoken.freezingScreen)) {
if (atoken.lastTransactionSequence != mTransactionSequence) {
atoken.lastTransactionSequence = mTransactionSequence;
atoken.numInterestingWindows = atoken.numDrawnWindows = 0;
atoken.startingDisplayed = false;
}
if ((w.isOnScreen() || w.mAttrs.type
== WindowManager.LayoutParams.TYPE_BASE_APPLICATION)
&& !w.mExiting && !w.mDestroying) {
if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) {
Slog.v(TAG, "Eval win " + w + ": isDrawn="
+ w.isDrawnLw()
+ ", isAnimating=" + w.isAnimating());
if (!w.isDrawnLw()) {
Slog.v(TAG, "Not displayed: s=" + w.mSurface
+ " pv=" + w.mPolicyVisibility
+ " dp=" + w.mDrawPending
+ " cdp=" + w.mCommitDrawPending
+ " ah=" + w.mAttachedHidden
+ " th=" + atoken.hiddenRequested
+ " a=" + w.mAnimating);
}
}
if (w != atoken.startingWindow) {
if (!atoken.freezingScreen || !w.mAppFreezing) {
atoken.numInterestingWindows++;
if (w.isDrawnLw()) {
atoken.numDrawnWindows++;
if (DEBUG_VISIBILITY || DEBUG_ORIENTATION) Slog.v(TAG,
"tokenMayBeDrawn: " + atoken
+ " freezingScreen=" + atoken.freezingScreen
+ " mAppFreezing=" + w.mAppFreezing);
mInnerFields.mTokenMayBeDrawn = true;
}
}
} else if (w.isDrawnLw()) {
atoken.startingDisplayed = true;
}
}
} else if (w.mReadyToShow) {
w.performShowLocked();
changes |= WindowManagerPolicy.FINISH_LAYOUT_REDO_ANIM;
}
} // end forall windows
return changes;
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @return bitmap indicating if another pass through layout must be made.
*/
private int testTokenMayBeDrawnLocked() {
int changes = 0;
// See if any windows have been drawn, so they (and others
// associated with them) can now be shown.
final int NT = mAppTokens.size();
for (int i=0; i<NT; i++) {
AppWindowToken wtoken = mAppTokens.get(i);
if (wtoken.freezingScreen) {
int numInteresting = wtoken.numInterestingWindows;
if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"allDrawn: " + wtoken
+ " interesting=" + numInteresting
+ " drawn=" + wtoken.numDrawnWindows);
wtoken.showAllWindowsLocked();
unsetAppFreezingScreenLocked(wtoken, false, true);
if (DEBUG_ORIENTATION) Slog.i(TAG,
"Setting mOrientationChangeComplete=true because wtoken "
+ wtoken + " numInteresting=" + numInteresting
+ " numDrawn=" + wtoken.numDrawnWindows);
mInnerFields.mOrientationChangeComplete = true;
}
} else if (!wtoken.allDrawn) {
int numInteresting = wtoken.numInterestingWindows;
if (numInteresting > 0 && wtoken.numDrawnWindows >= numInteresting) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"allDrawn: " + wtoken
+ " interesting=" + numInteresting
+ " drawn=" + wtoken.numDrawnWindows);
wtoken.allDrawn = true;
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
// We can now show all of the drawn windows!
if (!mOpeningApps.contains(wtoken)) {
wtoken.showAllWindowsLocked();
}
}
}
}
return changes;
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @return bitmap indicating if another pass through layout must be made.
*/
public int handleAppTransitionReadyLocked() {
int changes = 0;
int i;
int NN = mOpeningApps.size();
boolean goodToGo = true;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Checking " + NN + " opening apps (frozen="
+ mDisplayFrozen + " timeout="
+ mAppTransitionTimeout + ")...");
if (!mDisplayFrozen && !mAppTransitionTimeout) {
// If the display isn't frozen, wait to do anything until
// all of the apps are ready. Otherwise just go because
// we'll unfreeze the display when everyone is ready.
for (i=0; i<NN && goodToGo; i++) {
AppWindowToken wtoken = mOpeningApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Check opening app" + wtoken + ": allDrawn="
+ wtoken.allDrawn + " startingDisplayed="
+ wtoken.startingDisplayed);
if (!wtoken.allDrawn && !wtoken.startingDisplayed
&& !wtoken.startingMoved) {
goodToGo = false;
}
}
}
if (goodToGo) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "**** GOOD TO GO");
int transit = mNextAppTransition;
if (mSkipAppTransitionAnimation) {
transit = WindowManagerPolicy.TRANSIT_UNSET;
}
mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
mAppTransitionReady = false;
mAppTransitionRunning = true;
mAppTransitionTimeout = false;
mStartingIconInTransition = false;
mSkipAppTransitionAnimation = false;
mH.removeMessages(H.APP_TRANSITION_TIMEOUT);
// If there are applications waiting to come to the
// top of the stack, now is the time to move their windows.
// (Note that we don't do apps going to the bottom
// here -- we want to keep their windows in the old
// Z-order until the animation completes.)
if (mToTopApps.size() > 0) {
NN = mAppTokens.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mAppTokens.get(i);
if (wtoken.sendingToTop) {
wtoken.sendingToTop = false;
moveAppWindowsLocked(wtoken, NN, false);
}
}
mToTopApps.clear();
}
WindowState oldWallpaper = mWallpaperTarget;
adjustWallpaperWindowsLocked();
mInnerFields.mWallpaperMayChange = false;
// The top-most window will supply the layout params,
// and we will determine it below.
LayoutParams animLp = null;
int bestAnimLayer = -1;
boolean fullscreenAnim = false;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New wallpaper target=" + mWallpaperTarget
+ ", lower target=" + mLowerWallpaperTarget
+ ", upper target=" + mUpperWallpaperTarget);
int foundWallpapers = 0;
// Do a first pass through the tokens for two
// things:
// (1) Determine if both the closing and opening
// app token sets are wallpaper targets, in which
// case special animations are needed
// (since the wallpaper needs to stay static
// behind them).
// (2) Find the layout params of the top-most
// application window in the tokens, which is
// what will control the animation theme.
final int NC = mClosingApps.size();
NN = NC + mOpeningApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken;
int mode;
if (i < NC) {
wtoken = mClosingApps.get(i);
mode = 1;
} else {
wtoken = mOpeningApps.get(i-NC);
mode = 2;
}
if (mLowerWallpaperTarget != null) {
if (mLowerWallpaperTarget.mAppToken == wtoken
|| mUpperWallpaperTarget.mAppToken == wtoken) {
foundWallpapers |= mode;
}
}
if (wtoken.appFullscreen) {
WindowState ws = wtoken.findMainWindow();
if (ws != null) {
animLp = ws.mAttrs;
bestAnimLayer = ws.mLayer;
fullscreenAnim = true;
}
} else if (!fullscreenAnim) {
WindowState ws = wtoken.findMainWindow();
if (ws != null) {
if (ws.mLayer > bestAnimLayer) {
animLp = ws.mAttrs;
bestAnimLayer = ws.mLayer;
}
}
}
}
if (foundWallpapers == 3) {
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Wallpaper animation!");
switch (transit) {
case WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN:
case WindowManagerPolicy.TRANSIT_TASK_OPEN:
case WindowManagerPolicy.TRANSIT_TASK_TO_FRONT:
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_OPEN;
break;
case WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE:
case WindowManagerPolicy.TRANSIT_TASK_CLOSE:
case WindowManagerPolicy.TRANSIT_TASK_TO_BACK:
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_INTRA_CLOSE;
break;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit: " + transit);
} else if (oldWallpaper != null) {
// We are transitioning from an activity with
// a wallpaper to one without.
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_CLOSE;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit away from wallpaper: " + transit);
} else if (mWallpaperTarget != null) {
// We are transitioning from an activity without
// a wallpaper to now showing the wallpaper
transit = WindowManagerPolicy.TRANSIT_WALLPAPER_OPEN;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"New transit into wallpaper: " + transit);
}
// If all closing windows are obscured, then there is
// no need to do an animation. This is the case, for
// example, when this transition is being done behind
// the lock screen.
if (!mPolicy.allowAppAnimationsLw()) {
animLp = null;
}
NN = mOpeningApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mOpeningApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Now opening app" + wtoken);
wtoken.reportedVisible = false;
wtoken.inPendingTransaction = false;
wtoken.animation = null;
setTokenVisibilityLocked(wtoken, animLp, true,
transit, false);
wtoken.updateReportedVisibilityLocked();
wtoken.waitingToShow = false;
wtoken.showAllWindowsLocked();
}
NN = mClosingApps.size();
for (i=0; i<NN; i++) {
AppWindowToken wtoken = mClosingApps.get(i);
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG,
"Now closing app" + wtoken);
wtoken.inPendingTransaction = false;
wtoken.animation = null;
setTokenVisibilityLocked(wtoken, animLp, false,
transit, false);
wtoken.updateReportedVisibilityLocked();
wtoken.waitingToHide = false;
// Force the allDrawn flag, because we want to start
// this guy's animations regardless of whether it's
// gotten drawn.
wtoken.allDrawn = true;
}
mNextAppTransitionPackage = null;
mOpeningApps.clear();
mClosingApps.clear();
// This has changed the visibility of windows, so perform
// a new layout to get them all up-to-date.
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT
| WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG;
mLayoutNeeded = true;
if (!moveInputMethodWindowsIfNeededLocked(true)) {
assignLayersLocked();
}
updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES,
false /*updateInputWindows*/);
mFocusMayChange = false;
}
return changes;
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @return bitmap indicating if another pass through layout must be made.
*/
private int handleAnimatingStoppedAndTransitionLocked() {
int changes = 0;
mAppTransitionRunning = false;
// Clear information about apps that were moving.
mToBottomApps.clear();
rebuildAppWindowListLocked();
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
mInnerFields.mAdjResult |= ADJUST_WALLPAPER_LAYERS_CHANGED;
moveInputMethodWindowsIfNeededLocked(false);
mInnerFields.mWallpaperMayChange = true;
// Since the window list has been rebuilt, focus might
// have to be recomputed since the actual order of windows
// might have changed again.
mFocusMayChange = true;
return changes;
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @return bitmap indicating if another pass through layout must be made.
*/
private int animateAwayWallpaperLocked() {
int changes = 0;
WindowState oldWallpaper = mWallpaperTarget;
if (mLowerWallpaperTarget != null
&& mLowerWallpaperTarget.mAppToken != null) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"wallpaperForceHiding changed with lower="
+ mLowerWallpaperTarget);
if (DEBUG_WALLPAPER) Slog.v(TAG,
"hidden=" + mLowerWallpaperTarget.mAppToken.hidden +
" hiddenRequested=" + mLowerWallpaperTarget.mAppToken.hiddenRequested);
if (mLowerWallpaperTarget.mAppToken.hidden) {
// The lower target has become hidden before we
// actually started the animation... let's completely
// re-evaluate everything.
mLowerWallpaperTarget = mUpperWallpaperTarget = null;
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
}
}
mInnerFields.mAdjResult |= adjustWallpaperWindowsLocked();
mInnerFields.mWallpaperMayChange = false;
mInnerFields.mWallpaperForceHidingChanged = false;
if (DEBUG_WALLPAPER) Slog.v(TAG, "****** OLD: " + oldWallpaper
+ " NEW: " + mWallpaperTarget
+ " LOWER: " + mLowerWallpaperTarget);
if (mLowerWallpaperTarget == null) {
// Whoops, we don't need a special wallpaper animation.
// Clear them out.
mInnerFields.mForceHiding = false;
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurface != null) {
final WindowManager.LayoutParams attrs = w.mAttrs;
if (mPolicy.doesForceHide(w, attrs) && w.isVisibleLw()) {
if (DEBUG_FOCUS) Slog.i(TAG, "win=" + w + " force hides other windows");
mInnerFields.mForceHiding = true;
} else if (mPolicy.canBeForceHidden(w, attrs)) {
if (!w.mAnimating) {
// We set the animation above so it
// is not yet running.
// TODO(cmautner): We lose the enter animation when this occurs.
w.clearAnimation();
}
}
}
}
}
return changes;
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @return bitmap indicating if another pass through layout must be made.
*/
private int testWallpaperAndBackgroundLocked() {
int changes = 0;
if (mWindowDetachedWallpaper != mInnerFields.mDetachedWallpaper) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Detached wallpaper changed from " + mWindowDetachedWallpaper
+ " to " + mInnerFields.mDetachedWallpaper);
mWindowDetachedWallpaper = mInnerFields.mDetachedWallpaper;
mInnerFields.mWallpaperMayChange = true;
}
if (mInnerFields.mWindowAnimationBackgroundColor != 0) {
// If the window that wants black is the current wallpaper
// target, then the black goes *below* the wallpaper so we
// don't cause the wallpaper to suddenly disappear.
WindowState target = mInnerFields.mWindowAnimationBackground;
if (mWallpaperTarget == mInnerFields.mWindowAnimationBackground
|| mLowerWallpaperTarget == mInnerFields.mWindowAnimationBackground
|| mUpperWallpaperTarget == mInnerFields.mWindowAnimationBackground) {
for (int i=0; i<mWindows.size(); i++) {
WindowState w = mWindows.get(i);
if (w.mIsWallpaper) {
target = w;
break;
}
}
}
if (mWindowAnimationBackgroundSurface == null) {
mWindowAnimationBackgroundSurface = new DimSurface(mFxSession);
}
final int dw = mCurDisplayWidth;
final int dh = mCurDisplayHeight;
mWindowAnimationBackgroundSurface.show(dw, dh,
target.mAnimLayer - LAYER_OFFSET_DIM,
mInnerFields.mWindowAnimationBackgroundColor);
} else if (mWindowAnimationBackgroundSurface != null) {
mWindowAnimationBackgroundSurface.hide();
}
if (mInnerFields.mWallpaperMayChange) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper may change! Adjusting");
mInnerFields.mAdjResult |= adjustWallpaperWindowsLocked();
}
if ((mInnerFields.mAdjResult&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper layer changed: assigning layers + relayout");
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
assignLayersLocked();
} else if ((mInnerFields.mAdjResult&ADJUST_WALLPAPER_VISIBILITY_CHANGED) != 0) {
if (DEBUG_WALLPAPER) Slog.v(TAG,
"Wallpaper visibility changed: relayout");
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
}
if (mFocusMayChange) {
mFocusMayChange = false;
if (updateFocusedWindowLocked(UPDATE_FOCUS_PLACING_SURFACES,
false /*updateInputWindows*/)) {
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_ANIM;
mInnerFields.mAdjResult = 0;
}
}
return changes;
}
private void updateResizingWindows(final WindowState w) {
if (!w.mAppFreezing && w.mLayoutSeq == mLayoutSeq) {
w.mContentInsetsChanged |=
!w.mLastContentInsets.equals(w.mContentInsets);
w.mVisibleInsetsChanged |=
!w.mLastVisibleInsets.equals(w.mVisibleInsets);
boolean configChanged =
w.mConfiguration != mCurConfiguration
&& (w.mConfiguration == null
|| mCurConfiguration.diff(w.mConfiguration) != 0);
if (DEBUG_CONFIGURATION && configChanged) {
Slog.v(TAG, "Win " + w + " config changed: "
+ mCurConfiguration);
}
if (localLOGV) Slog.v(TAG, "Resizing " + w
+ ": configChanged=" + configChanged
+ " last=" + w.mLastFrame + " frame=" + w.mFrame);
w.mLastFrame.set(w.mFrame);
if (w.mContentInsetsChanged
|| w.mVisibleInsetsChanged
|| w.mSurfaceResized
|| configChanged) {
if (DEBUG_RESIZE || DEBUG_ORIENTATION) {
Slog.v(TAG, "Resize reasons: "
+ " contentInsetsChanged=" + w.mContentInsetsChanged
+ " visibleInsetsChanged=" + w.mVisibleInsetsChanged
+ " surfaceResized=" + w.mSurfaceResized
+ " configChanged=" + configChanged);
}
w.mLastContentInsets.set(w.mContentInsets);
w.mLastVisibleInsets.set(w.mVisibleInsets);
makeWindowFreezingScreenIfNeededLocked(w);
// If the orientation is changing, then we need to
// hold off on unfreezing the display until this
// window has been redrawn; to do that, we need
// to go through the process of getting informed
// by the application when it has finished drawing.
if (w.mOrientationChanging) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation start waiting for draw in "
+ w + ", surface " + w.mSurface);
w.mDrawPending = true;
w.mCommitDrawPending = false;
w.mReadyToShow = false;
if (w.mAppToken != null) {
w.mAppToken.allDrawn = false;
}
}
if (!mResizingWindows.contains(w)) {
if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG,
"Resizing window " + w + " to " + w.mSurfaceW
+ "x" + w.mSurfaceH);
mResizingWindows.add(w);
}
} else if (w.mOrientationChanging) {
if (!w.mDrawPending && !w.mCommitDrawPending) {
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation not waiting for draw in "
+ w + ", surface " + w.mSurface);
w.mOrientationChanging = false;
}
}
}
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @param w WindowState whos Surface is being prepared.
* @param recoveringMemory true if the caller will reclaim surface memory on error.
*/
public void prepareSurfaceLocked(final WindowState w, final boolean recoveringMemory) {
// XXX NOTE: The logic here could be improved. We have
// the decision about whether to resize a window separated
// from whether to hide the surface. This can cause us to
// resize a surface even if we are going to hide it. You
// can see this by (1) holding device in landscape mode on
// home screen; (2) tapping browser icon (device will rotate
// to landscape; (3) tap home. The wallpaper will be resized
// in step 2 but then immediately hidden, causing us to
// have to resize and then redraw it again in step 3. It
// would be nice to figure out how to avoid this, but it is
// difficult because we do need to resize surfaces in some
// cases while they are hidden such as when first showing a
// window.
boolean displayed = false;
w.computeShownFrameLocked();
int width, height;
if ((w.mAttrs.flags & w.mAttrs.FLAG_SCALED) != 0) {
// for a scaled surface, we just want to use
// the requested size.
width = w.mRequestedWidth;
height = w.mRequestedHeight;
} else {
width = w.mCompatFrame.width();
height = w.mCompatFrame.height();
}
if (width < 1) {
width = 1;
}
if (height < 1) {
height = 1;
}
final boolean surfaceResized = w.mSurfaceW != width || w.mSurfaceH != height;
if (surfaceResized) {
w.mSurfaceW = width;
w.mSurfaceH = height;
}
if (w.mSurfaceX != w.mShownFrame.left
|| w.mSurfaceY != w.mShownFrame.top) {
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"POS " + w.mShownFrame.left
+ ", " + w.mShownFrame.top, null);
w.mSurfaceX = w.mShownFrame.left;
w.mSurfaceY = w.mShownFrame.top;
w.mSurface.setPosition(w.mShownFrame.left, w.mShownFrame.top);
} catch (RuntimeException e) {
Slog.w(TAG, "Error positioning surface of " + w
+ " pos=(" + w.mShownFrame.left
+ "," + w.mShownFrame.top + ")", e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "position", true);
}
}
}
if (surfaceResized) {
try {
if (SHOW_TRANSACTIONS) logSurface(w,
"SIZE " + width + "x" + height, null);
w.mSurfaceResized = true;
w.mSurface.setSize(width, height);
} catch (RuntimeException e) {
// If something goes wrong with the surface (such
// as running out of memory), don't take down the
// entire system.
Slog.e(TAG, "Error resizing surface of " + w
+ " size=(" + width + "x" + height + ")", e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "size", true);
}
}
}
updateResizingWindows(w);
if (w.mAttachedHidden || !w.isReadyForDisplay()) {
if (!w.mLastHidden) {
//dump();
w.mLastHidden = true;
if (SHOW_TRANSACTIONS) logSurface(w,
"HIDE (performLayout)", null);
if (w.mSurface != null) {
w.mSurfaceShown = false;
try {
w.mSurface.hide();
} catch (RuntimeException e) {
Slog.w(TAG, "Exception hiding surface in " + w);
}
}
}
// If we are waiting for this window to handle an
// orientation change, well, it is hidden, so
// doesn't really matter. Note that this does
// introduce a potential glitch if the window
// becomes unhidden before it has drawn for the
// new orientation.
if (w.mOrientationChanging) {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change skips hidden " + w);
}
} else if (w.mLastLayer != w.mAnimLayer
|| w.mLastAlpha != w.mShownAlpha
|| w.mLastDsDx != w.mDsDx
|| w.mLastDtDx != w.mDtDx
|| w.mLastDsDy != w.mDsDy
|| w.mLastDtDy != w.mDtDy
|| w.mLastHScale != w.mHScale
|| w.mLastVScale != w.mVScale
|| w.mLastHidden) {
displayed = true;
w.mLastAlpha = w.mShownAlpha;
w.mLastLayer = w.mAnimLayer;
w.mLastDsDx = w.mDsDx;
w.mLastDtDx = w.mDtDx;
w.mLastDsDy = w.mDsDy;
w.mLastDtDy = w.mDtDy;
w.mLastHScale = w.mHScale;
w.mLastVScale = w.mVScale;
if (SHOW_TRANSACTIONS) logSurface(w,
"alpha=" + w.mShownAlpha + " layer=" + w.mAnimLayer
+ " matrix=[" + (w.mDsDx*w.mHScale)
+ "," + (w.mDtDx*w.mVScale)
+ "][" + (w.mDsDy*w.mHScale)
+ "," + (w.mDtDy*w.mVScale) + "]", null);
if (w.mSurface != null) {
try {
w.mSurfaceAlpha = w.mShownAlpha;
w.mSurface.setAlpha(w.mShownAlpha);
w.mSurfaceLayer = w.mAnimLayer;
w.mSurface.setLayer(w.mAnimLayer);
w.mSurface.setMatrix(
w.mDsDx*w.mHScale, w.mDtDx*w.mVScale,
w.mDsDy*w.mHScale, w.mDtDy*w.mVScale);
} catch (RuntimeException e) {
Slog.w(TAG, "Error updating surface in " + w, e);
if (!recoveringMemory) {
reclaimSomeSurfaceMemoryLocked(w, "update", true);
}
}
}
if (w.mLastHidden && !w.mDrawPending
&& !w.mCommitDrawPending
&& !w.mReadyToShow) {
if (SHOW_TRANSACTIONS) logSurface(w,
"SHOW (performLayout)", null);
if (DEBUG_VISIBILITY) Slog.v(TAG, "Showing " + w
+ " during relayout");
if (showSurfaceRobustlyLocked(w)) {
w.mHasDrawn = true;
w.mLastHidden = false;
} else {
w.mOrientationChanging = false;
}
}
if (w.mSurface != null) {
w.mToken.hasVisible = true;
}
} else {
displayed = true;
}
if (displayed) {
if (w.mOrientationChanging) {
if (w.mDrawPending || w.mCommitDrawPending) {
mInnerFields.mOrientationChangeComplete = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation continue waiting for draw in " + w);
} else {
w.mOrientationChanging = false;
if (DEBUG_ORIENTATION) Slog.v(TAG,
"Orientation change complete in " + w);
}
}
w.mToken.hasVisible = true;
}
}
/**
* Extracted from {@link #performLayoutAndPlaceSurfacesLockedInner} to reduce size of method.
*
* @param w WindowState this method is applied to.
* @param currentTime The time which animations use for calculating transitions.
* @param innerDw Width of app window.
* @param innerDh Height of app window.
*/
private void handleNotObscuredLocked(final WindowState w, final long currentTime,
final int innerDw, final int innerDh) {
final WindowManager.LayoutParams attrs = w.mAttrs;
final int attrFlags = attrs.flags;
final boolean canBeSeen = w.isDisplayedLw();
if (w.mSurface != null) {
if ((attrFlags&FLAG_KEEP_SCREEN_ON) != 0) {
mInnerFields.mHoldScreen = w.mSession;
}
if (!mInnerFields.mSyswin && w.mAttrs.screenBrightness >= 0
&& mInnerFields.mScreenBrightness < 0) {
mInnerFields.mScreenBrightness = w.mAttrs.screenBrightness;
}
if (!mInnerFields.mSyswin && w.mAttrs.buttonBrightness >= 0
&& mInnerFields.mButtonBrightness < 0) {
mInnerFields.mButtonBrightness = w.mAttrs.buttonBrightness;
}
if (canBeSeen
&& (attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG
|| attrs.type == WindowManager.LayoutParams.TYPE_KEYGUARD
|| attrs.type == WindowManager.LayoutParams.TYPE_SYSTEM_ERROR)) {
mInnerFields.mSyswin = true;
}
}
boolean opaqueDrawn = canBeSeen && w.isOpaqueDrawn();
if (opaqueDrawn && w.isFullscreen(innerDw, innerDh)) {
// This window completely covers everything behind it,
// so we want to leave all of them as unblurred (for
// performance reasons).
mInnerFields.mObscured = true;
} else if (canBeSeen && (attrFlags & (FLAG_BLUR_BEHIND | FLAG_DIM_BEHIND)) != 0) {
if (localLOGV) Slog.v(TAG, "Win " + w
+ ": blurring=" + mInnerFields.mBlurring
+ " obscured=" + mInnerFields.mObscured);
if ((attrFlags&FLAG_DIM_BEHIND) != 0) {
if (!mInnerFields.mDimming) {
//Slog.i(TAG, "DIM BEHIND: " + w);
mInnerFields.mDimming = true;
if (mDimAnimator == null) {
mDimAnimator = new DimAnimator(mFxSession);
}
if (attrs.type == WindowManager.LayoutParams.TYPE_BOOT_PROGRESS) {
mDimAnimator.show(mCurDisplayWidth, mCurDisplayHeight);
} else {
mDimAnimator.show(innerDw, innerDh);
}
mDimAnimator.show(innerDw, innerDh);
mDimAnimator.updateParameters(mContext.getResources(),
w, currentTime);
}
}
if ((attrFlags & FLAG_BLUR_BEHIND) != 0) {
if (!mInnerFields.mBlurring) {
//Slog.i(TAG, "BLUR BEHIND: " + w);
mInnerFields.mBlurring = true;
if (mBlurSurface == null) {
try {
mBlurSurface = new Surface(mFxSession, 0,
"BlurSurface",
-1, 16, 16,
PixelFormat.OPAQUE,
Surface.FX_SURFACE_BLUR);
} catch (Exception e) {
Slog.e(TAG, "Exception creating Blur surface", e);
}
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": CREATE");
}
final int dw = mCurDisplayWidth;
final int dh = mCurDisplayHeight;
if (mBlurSurface != null) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": pos=(0,0) (" +
dw + "x" + dh + "), layer=" + (w.mAnimLayer-1));
mBlurSurface.setPosition(0, 0);
mBlurSurface.setSize(dw, dh);
mBlurSurface.setLayer(w.mAnimLayer-LAYER_OFFSET_BLUR);
if (!mBlurShown) {
try {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR "
+ mBlurSurface + ": SHOW");
mBlurSurface.show();
} catch (RuntimeException e) {
Slog.w(TAG, "Failure showing blur surface", e);
}
mBlurShown = true;
}
}
}
}
}
}
private final int performAnimationsLocked(long currentTime, int dw, int dh,
int innerDw, int innerDh) {
++mTransactionSequence;
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: seq="
+ mTransactionSequence + " mAnimating="
+ mInnerFields.mAnimating);
mInnerFields.mTokenMayBeDrawn = false;
mInnerFields.mWallpaperMayChange = false;
mInnerFields.mForceHiding = false;
mInnerFields.mDetachedWallpaper = null;
mInnerFields.mWindowAnimationBackground = null;
mInnerFields.mWindowAnimationBackgroundColor = 0;
int changes = updateWindowsAndWallpaperLocked(currentTime, dw, dh, innerDw, innerDh);
if (mInnerFields.mTokenMayBeDrawn) {
changes |= testTokenMayBeDrawnLocked();
}
// If we are ready to perform an app transition, check through
// all of the app tokens to be shown and see if they are ready
// to go.
if (mAppTransitionReady) {
changes |= handleAppTransitionReadyLocked();
}
mInnerFields.mAdjResult = 0;
if (!mInnerFields.mAnimating && mAppTransitionRunning) {
// We have finished the animation of an app transition. To do
// this, we have delayed a lot of operations like showing and
// hiding apps, moving apps in Z-order, etc. The app token list
// reflects the correct Z-order, but the window list may now
// be out of sync with it. So here we will just rebuild the
// entire app window list. Fun!
changes |= handleAnimatingStoppedAndTransitionLocked();
}
if (mInnerFields.mWallpaperForceHidingChanged && changes == 0 && !mAppTransitionReady) {
// At this point, there was a window with a wallpaper that
// was force hiding other windows behind it, but now it
// is going away. This may be simple -- just animate
// away the wallpaper and its window -- or it may be
// hard -- the wallpaper now needs to be shown behind
// something that was hidden.
changes |= animateAwayWallpaperLocked();
}
changes |= testWallpaperAndBackgroundLocked();
if (mLayoutNeeded) {
changes |= PhoneWindowManager.FINISH_LAYOUT_REDO_LAYOUT;
}
if (DEBUG_APP_TRANSITIONS) Slog.v(TAG, "*** ANIM STEP: changes=0x"
+ Integer.toHexString(changes));
return changes;
}
// "Something has changed! Let's make it correct now."
private final void performLayoutAndPlaceSurfacesLockedInner(
boolean recoveringMemory) {
if (mDisplay == null) {
Slog.i(TAG, "skipping performLayoutAndPlaceSurfacesLockedInner with no mDisplay");
return;
}
final long currentTime = SystemClock.uptimeMillis();
final int dw = mCurDisplayWidth;
final int dh = mCurDisplayHeight;
final int innerDw = mAppDisplayWidth;
final int innerDh = mAppDisplayHeight;
int i;
if (mFocusMayChange) {
mFocusMayChange = false;
updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/);
}
// Initialize state of exiting tokens.
for (i=mExitingTokens.size()-1; i>=0; i--) {
mExitingTokens.get(i).hasVisible = false;
}
// Initialize state of exiting applications.
for (i=mExitingAppTokens.size()-1; i>=0; i--) {
mExitingAppTokens.get(i).hasVisible = false;
}
mInnerFields.mOrientationChangeComplete = true;
mInnerFields.mHoldScreen = null;
mInnerFields.mScreenBrightness = -1;
mInnerFields.mButtonBrightness = -1;
boolean focusDisplayed = false;
mInnerFields.mAnimating = false;
boolean createWatermark = false;
if (mFxSession == null) {
mFxSession = new SurfaceSession();
createWatermark = true;
}
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
">>> OPEN TRANSACTION performLayoutAndPlaceSurfaces");
Surface.openTransaction();
if (createWatermark) {
createWatermark();
}
if (mWatermark != null) {
mWatermark.positionSurface(dw, dh);
}
if (mStrictModeFlash != null) {
mStrictModeFlash.positionSurface(dw, dh);
}
try {
mInnerFields.mWallpaperForceHidingChanged = false;
int repeats = 0;
do {
repeats++;
if (repeats > 6) {
Slog.w(TAG, "Animation repeat aborted after too many iterations");
mLayoutNeeded = false;
break;
}
if ((mPendingLayoutChanges & WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER) != 0) {
if ((adjustWallpaperWindowsLocked()&ADJUST_WALLPAPER_LAYERS_CHANGED) != 0) {
assignLayersLocked();
mLayoutNeeded = true;
}
}
if ((mPendingLayoutChanges & WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG) != 0) {
if (DEBUG_LAYOUT) Slog.v(TAG, "Computing new config from layout");
if (updateOrientationFromAppTokensLocked(true)) {
mLayoutNeeded = true;
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
}
if ((mPendingLayoutChanges & WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) {
mLayoutNeeded = true;
}
// FIRST LOOP: Perform a layout, if needed.
if (repeats < 4) {
performLayoutLockedInner(repeats == 1, false /*updateInputWindows*/);
} else {
Slog.w(TAG, "Layout repeat skipped after too many iterations");
}
// FIRST AND ONE HALF LOOP: Make WindowManagerPolicy think
// it is animating.
mPendingLayoutChanges = 0;
mPolicy.beginAnimationLw(dw, dh);
for (i = mWindows.size() - 1; i >= 0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurface != null) {
mPolicy.animatingWindowLw(w, w.mAttrs);
}
}
mPendingLayoutChanges |= mPolicy.finishAnimationLw();
} while (mPendingLayoutChanges != 0);
// Update animations of all applications, including those
// associated with exiting/removed apps
mPendingLayoutChanges = performAnimationsLocked(currentTime, dw, dh,
innerDw, innerDh);
updateWindowsAppsAndRotationAnimationsLocked(currentTime, innerDw, innerDh);
// THIRD LOOP: Update the surfaces of all windows.
final boolean someoneLosingFocus = mLosingFocus.size() != 0;
mInnerFields.mObscured = false;
mInnerFields.mBlurring = false;
mInnerFields.mDimming = false;
mInnerFields.mSyswin = false;
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.updateSurfaces();
}
final int N = mWindows.size();
for (i=N-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurface != null) {
prepareSurfaceLocked(w, recoveringMemory);
} else if (w.mOrientationChanging) {
if (DEBUG_ORIENTATION) {
Slog.v(TAG, "Orientation change skips hidden " + w);
}
w.mOrientationChanging = false;
}
if (w.mContentChanged) {
//Slog.i(TAG, "Window " + this + " clearing mContentChanged - done placing");
w.mContentChanged = false;
}
final boolean canBeSeen = w.isDisplayedLw();
if (someoneLosingFocus && w == mCurrentFocus && canBeSeen) {
focusDisplayed = true;
}
final boolean obscuredChanged = w.mObscured != mInnerFields.mObscured;
// Update effect.
w.mObscured = mInnerFields.mObscured;
if (!mInnerFields.mObscured) {
handleNotObscuredLocked(w, currentTime, innerDw, innerDh);
}
if (obscuredChanged && mWallpaperTarget == w) {
// This is the wallpaper target and its obscured state
// changed... make sure the current wallaper's visibility
// has been updated accordingly.
updateWallpaperVisibilityLocked();
}
}
if (mDimAnimator != null && mDimAnimator.mDimShown) {
mInnerFields.mAnimating |=
mDimAnimator.updateSurface(mInnerFields.mDimming, currentTime,
mDisplayFrozen || !mDisplayEnabled || !mPolicy.isScreenOnFully());
}
if (!mInnerFields.mBlurring && mBlurShown) {
if (SHOW_TRANSACTIONS) Slog.i(TAG, " BLUR " + mBlurSurface
+ ": HIDE");
try {
mBlurSurface.hide();
} catch (IllegalArgumentException e) {
Slog.w(TAG, "Illegal argument exception hiding blur surface");
}
mBlurShown = false;
}
if (mBlackFrame != null) {
if (mScreenRotationAnimation != null) {
mBlackFrame.setMatrix(
mScreenRotationAnimation.getEnterTransformation().getMatrix());
} else {
mBlackFrame.clearMatrix();
}
}
} catch (RuntimeException e) {
Log.wtf(TAG, "Unhandled exception in Window Manager", e);
}
Surface.closeTransaction();
if (SHOW_LIGHT_TRANSACTIONS) Slog.i(TAG,
"<<< CLOSE TRANSACTION performLayoutAndPlaceSurfaces");
if (mWatermark != null) {
mWatermark.drawIfNeeded();
}
if (DEBUG_ORIENTATION && mDisplayFrozen) Slog.v(TAG,
"With display frozen, orientationChangeComplete="
+ mInnerFields.mOrientationChangeComplete);
if (mInnerFields.mOrientationChangeComplete) {
if (mWindowsFreezingScreen) {
mWindowsFreezingScreen = false;
mH.removeMessages(H.WINDOW_FREEZE_TIMEOUT);
}
stopFreezingDisplayLocked();
}
i = mResizingWindows.size();
if (i > 0) {
do {
i--;
WindowState win = mResizingWindows.get(i);
try {
if (DEBUG_RESIZE || DEBUG_ORIENTATION) Slog.v(TAG,
"Reporting new frame to " + win + ": " + win.mCompatFrame);
int diff = 0;
boolean configChanged =
win.mConfiguration != mCurConfiguration
&& (win.mConfiguration == null
|| (diff=mCurConfiguration.diff(win.mConfiguration)) != 0);
if ((DEBUG_RESIZE || DEBUG_ORIENTATION || DEBUG_CONFIGURATION)
&& configChanged) {
Slog.i(TAG, "Sending new config to window " + win + ": "
+ win.mSurfaceW + "x" + win.mSurfaceH
+ " / " + mCurConfiguration + " / 0x"
+ Integer.toHexString(diff));
}
win.mConfiguration = mCurConfiguration;
if (DEBUG_ORIENTATION && win.mDrawPending) Slog.i(
TAG, "Resizing " + win + " WITH DRAW PENDING");
win.mClient.resized((int)win.mSurfaceW, (int)win.mSurfaceH,
win.mLastContentInsets, win.mLastVisibleInsets, win.mDrawPending,
configChanged ? win.mConfiguration : null);
win.mContentInsetsChanged = false;
win.mVisibleInsetsChanged = false;
win.mSurfaceResized = false;
} catch (RemoteException e) {
win.mOrientationChanging = false;
}
} while (i > 0);
mResizingWindows.clear();
}
// Destroy the surface of any windows that are no longer visible.
boolean wallpaperDestroyed = false;
i = mDestroySurface.size();
if (i > 0) {
do {
i--;
WindowState win = mDestroySurface.get(i);
win.mDestroying = false;
if (mInputMethodWindow == win) {
mInputMethodWindow = null;
}
if (win == mWallpaperTarget) {
wallpaperDestroyed = true;
}
win.destroySurfaceLocked();
} while (i > 0);
mDestroySurface.clear();
}
// Time to remove any exiting tokens?
for (i=mExitingTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingTokens.get(i);
if (!token.hasVisible) {
mExitingTokens.remove(i);
if (token.windowType == TYPE_WALLPAPER) {
mWallpaperTokens.remove(token);
}
}
}
// Time to remove any exiting applications?
for (i=mExitingAppTokens.size()-1; i>=0; i--) {
AppWindowToken token = mExitingAppTokens.get(i);
if (!token.hasVisible && !mClosingApps.contains(token)) {
// Make sure there is no animation running on this token,
// so any windows associated with it will be removed as
// soon as their animations are complete
token.animation = null;
token.animating = false;
if (DEBUG_ADD_REMOVE || DEBUG_TOKEN_MOVEMENT) Slog.v(TAG,
"performLayout: App token exiting now removed" + token);
mAppTokens.remove(token);
mExitingAppTokens.remove(i);
}
}
boolean needRelayout = false;
if (!mInnerFields.mAnimating && mAppTransitionRunning) {
// We have finished the animation of an app transition. To do
// this, we have delayed a lot of operations like showing and
// hiding apps, moving apps in Z-order, etc. The app token list
// reflects the correct Z-order, but the window list may now
// be out of sync with it. So here we will just rebuild the
// entire app window list. Fun!
mAppTransitionRunning = false;
needRelayout = true;
rebuildAppWindowListLocked();
assignLayersLocked();
// Clear information about apps that were moving.
mToBottomApps.clear();
}
if (focusDisplayed) {
mH.sendEmptyMessage(H.REPORT_LOSING_FOCUS);
}
if (wallpaperDestroyed) {
needRelayout = adjustWallpaperWindowsLocked() != 0;
}
if ((mPendingLayoutChanges & (
WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER |
ADJUST_WALLPAPER_LAYERS_CHANGED |
WindowManagerPolicy.FINISH_LAYOUT_REDO_CONFIG |
WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT)) != 0) {
needRelayout = true;
}
if (needRelayout) {
requestTraversalLocked();
} else if (mInnerFields.mAnimating) {
scheduleAnimationLocked();
}
// Finally update all input windows now that the window changes have stabilized.
mInputMonitor.updateInputWindowsLw(true /*force*/);
setHoldScreenLocked(mInnerFields.mHoldScreen != null);
if (!mDisplayFrozen) {
if (mInnerFields.mScreenBrightness < 0 || mInnerFields.mScreenBrightness > 1.0f) {
mPowerManager.setScreenBrightnessOverride(-1);
} else {
mPowerManager.setScreenBrightnessOverride((int)
(mInnerFields.mScreenBrightness * Power.BRIGHTNESS_ON));
}
if (mInnerFields.mButtonBrightness < 0 || mInnerFields.mButtonBrightness > 1.0f) {
mPowerManager.setButtonBrightnessOverride(-1);
} else {
mPowerManager.setButtonBrightnessOverride((int)
(mInnerFields.mButtonBrightness * Power.BRIGHTNESS_ON));
}
}
if (mInnerFields.mHoldScreen != mHoldingScreenOn) {
mHoldingScreenOn = mInnerFields.mHoldScreen;
Message m = mH.obtainMessage(H.HOLD_SCREEN_CHANGED, mInnerFields.mHoldScreen);
mH.sendMessage(m);
}
if (mTurnOnScreen) {
if (DEBUG_VISIBILITY) Slog.v(TAG, "Turning screen on after layout!");
mPowerManager.userActivity(SystemClock.uptimeMillis(), false,
LocalPowerManager.BUTTON_EVENT, true);
mTurnOnScreen = false;
}
if (mInnerFields.mUpdateRotation) {
if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation");
if (updateRotationUncheckedLocked(false)) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
} else {
mInnerFields.mUpdateRotation = false;
}
}
if (mInnerFields.mOrientationChangeComplete && !needRelayout &&
!mInnerFields.mUpdateRotation) {
checkDrawnWindowsLocked();
}
// Check to see if we are now in a state where the screen should
// be enabled, because the window obscured flags have changed.
enableScreenIfNeededLocked();
}
void checkDrawnWindowsLocked() {
if (mWaitingForDrawn.size() > 0) {
for (int j=mWaitingForDrawn.size()-1; j>=0; j--) {
Pair<WindowState, IRemoteCallback> pair = mWaitingForDrawn.get(j);
WindowState win = pair.first;
//Slog.i(TAG, "Waiting for drawn " + win + ": removed="
// + win.mRemoved + " visible=" + win.isVisibleLw()
// + " shown=" + win.mSurfaceShown);
if (win.mRemoved || !win.isVisibleLw()) {
// Window has been removed or made invisible; no draw
// will now happen, so stop waiting.
Slog.w(TAG, "Aborted waiting for drawn: " + pair.first);
try {
pair.second.sendResult(null);
} catch (RemoteException e) {
}
mWaitingForDrawn.remove(pair);
mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT, pair);
} else if (win.mSurfaceShown) {
// Window is now drawn (and shown).
try {
pair.second.sendResult(null);
} catch (RemoteException e) {
}
mWaitingForDrawn.remove(pair);
mH.removeMessages(H.WAITING_FOR_DRAWN_TIMEOUT, pair);
}
}
}
}
public void waitForWindowDrawn(IBinder token, IRemoteCallback callback) {
synchronized (mWindowMap) {
WindowState win = windowForClientLocked(null, token, true);
if (win != null) {
Pair<WindowState, IRemoteCallback> pair =
new Pair<WindowState, IRemoteCallback>(win, callback);
Message m = mH.obtainMessage(H.WAITING_FOR_DRAWN_TIMEOUT, pair);
mH.sendMessageDelayed(m, 2000);
mWaitingForDrawn.add(pair);
checkDrawnWindowsLocked();
}
}
}
/**
* Must be called with the main window manager lock held.
*/
void setHoldScreenLocked(boolean holding) {
boolean state = mHoldingScreenWakeLock.isHeld();
if (holding != state) {
if (holding) {
mPolicy.screenOnStartedLw();
mHoldingScreenWakeLock.acquire();
} else {
mPolicy.screenOnStoppedLw();
mHoldingScreenWakeLock.release();
}
}
}
void requestTraversalLocked() {
if (!mTraversalScheduled) {
mTraversalScheduled = true;
mH.sendEmptyMessage(H.DO_TRAVERSAL);
}
}
void scheduleAnimationLocked() {
if (!mAnimationScheduled) {
mChoreographer.postAnimationCallback(mAnimationRunnable, null);
mAnimationScheduled = true;
}
}
/**
* Have the surface flinger show a surface, robustly dealing with
* error conditions. In particular, if there is not enough memory
* to show the surface, then we will try to get rid of other surfaces
* in order to succeed.
*
* @return Returns true if the surface was successfully shown.
*/
boolean showSurfaceRobustlyLocked(WindowState win) {
try {
if (win.mSurface != null) {
win.mSurfaceShown = true;
win.mSurface.show();
if (win.mTurnOnScreen) {
if (DEBUG_VISIBILITY) Slog.v(TAG,
"Show surface turning screen on: " + win);
win.mTurnOnScreen = false;
mTurnOnScreen = true;
}
}
return true;
} catch (RuntimeException e) {
Slog.w(TAG, "Failure showing surface " + win.mSurface + " in " + win, e);
}
reclaimSomeSurfaceMemoryLocked(win, "show", true);
return false;
}
boolean reclaimSomeSurfaceMemoryLocked(WindowState win, String operation, boolean secure) {
final Surface surface = win.mSurface;
boolean leakedSurface = false;
boolean killedApps = false;
EventLog.writeEvent(EventLogTags.WM_NO_SURFACE_MEMORY, win.toString(),
win.mSession.mPid, operation);
if (mForceRemoves == null) {
mForceRemoves = new ArrayList<WindowState>();
}
long callingIdentity = Binder.clearCallingIdentity();
try {
// There was some problem... first, do a sanity check of the
// window list to make sure we haven't left any dangling surfaces
// around.
int N = mWindows.size();
Slog.i(TAG, "Out of memory for surface! Looking for leaks...");
for (int i=0; i<N; i++) {
WindowState ws = mWindows.get(i);
if (ws.mSurface != null) {
if (!mSessions.contains(ws.mSession)) {
Slog.w(TAG, "LEAKED SURFACE (session doesn't exist): "
+ ws + " surface=" + ws.mSurface
+ " token=" + win.mToken
+ " pid=" + ws.mSession.mPid
+ " uid=" + ws.mSession.mUid);
if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null);
ws.mSurface.destroy();
ws.mSurfaceShown = false;
ws.mSurface = null;
mForceRemoves.add(ws);
i--;
N--;
leakedSurface = true;
} else if (ws.mAppToken != null && ws.mAppToken.clientHidden) {
Slog.w(TAG, "LEAKED SURFACE (app token hidden): "
+ ws + " surface=" + ws.mSurface
+ " token=" + win.mAppToken);
if (SHOW_TRANSACTIONS) logSurface(ws, "LEAK DESTROY", null);
ws.mSurface.destroy();
ws.mSurfaceShown = false;
ws.mSurface = null;
leakedSurface = true;
}
}
}
if (!leakedSurface) {
Slog.w(TAG, "No leaked surfaces; killing applicatons!");
SparseIntArray pidCandidates = new SparseIntArray();
for (int i=0; i<N; i++) {
WindowState ws = mWindows.get(i);
if (ws.mSurface != null) {
pidCandidates.append(ws.mSession.mPid, ws.mSession.mPid);
}
}
if (pidCandidates.size() > 0) {
int[] pids = new int[pidCandidates.size()];
for (int i=0; i<pids.length; i++) {
pids[i] = pidCandidates.keyAt(i);
}
try {
if (mActivityManager.killPids(pids, "Free memory", secure)) {
killedApps = true;
}
} catch (RemoteException e) {
}
}
}
if (leakedSurface || killedApps) {
// We managed to reclaim some memory, so get rid of the trouble
// surface and ask the app to request another one.
Slog.w(TAG, "Looks like we have reclaimed some memory, clearing surface for retry.");
if (surface != null) {
if (SHOW_TRANSACTIONS || SHOW_SURFACE_ALLOC) logSurface(win,
"RECOVER DESTROY", null);
surface.destroy();
win.mSurfaceShown = false;
win.mSurface = null;
}
try {
win.mClient.dispatchGetNewSurface();
} catch (RemoteException e) {
}
}
} finally {
Binder.restoreCallingIdentity(callingIdentity);
}
return leakedSurface || killedApps;
}
private boolean updateFocusedWindowLocked(int mode, boolean updateInputWindows) {
WindowState newFocus = computeFocusedWindowLocked();
if (mCurrentFocus != newFocus) {
// This check makes sure that we don't already have the focus
// change message pending.
mH.removeMessages(H.REPORT_FOCUS_CHANGE);
mH.sendEmptyMessage(H.REPORT_FOCUS_CHANGE);
if (localLOGV) Slog.v(
TAG, "Changing focus from " + mCurrentFocus + " to " + newFocus);
final WindowState oldFocus = mCurrentFocus;
mCurrentFocus = newFocus;
mLosingFocus.remove(newFocus);
int focusChanged = mPolicy.focusChangedLw(oldFocus, newFocus);
final WindowState imWindow = mInputMethodWindow;
if (newFocus != imWindow && oldFocus != imWindow) {
if (moveInputMethodWindowsIfNeededLocked(
mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS &&
mode != UPDATE_FOCUS_WILL_PLACE_SURFACES)) {
mLayoutNeeded = true;
}
if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
performLayoutLockedInner(true /*initial*/, updateInputWindows);
focusChanged &= ~WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT;
} else if (mode == UPDATE_FOCUS_WILL_PLACE_SURFACES) {
// Client will do the layout, but we need to assign layers
// for handleNewWindowLocked() below.
assignLayersLocked();
}
}
if ((focusChanged&WindowManagerPolicy.FINISH_LAYOUT_REDO_LAYOUT) != 0) {
// The change in focus caused us to need to do a layout. Okay.
mLayoutNeeded = true;
if (mode == UPDATE_FOCUS_PLACING_SURFACES) {
performLayoutLockedInner(true /*initial*/, updateInputWindows);
}
}
if (mode != UPDATE_FOCUS_WILL_ASSIGN_LAYERS) {
// If we defer assigning layers, then the caller is responsible for
// doing this part.
finishUpdateFocusedWindowAfterAssignLayersLocked(updateInputWindows);
}
return true;
}
return false;
}
private void finishUpdateFocusedWindowAfterAssignLayersLocked(boolean updateInputWindows) {
mInputMonitor.setInputFocusLw(mCurrentFocus, updateInputWindows);
}
private WindowState computeFocusedWindowLocked() {
WindowState result = null;
WindowState win;
int i = mWindows.size() - 1;
int nextAppIndex = mAppTokens.size()-1;
WindowToken nextApp = nextAppIndex >= 0
? mAppTokens.get(nextAppIndex) : null;
while (i >= 0) {
win = mWindows.get(i);
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Looking for focus: " + i
+ " = " + win
+ ", flags=" + win.mAttrs.flags
+ ", canReceive=" + win.canReceiveKeys());
AppWindowToken thisApp = win.mAppToken;
// If this window's application has been removed, just skip it.
if (thisApp != null && thisApp.removed) {
i--;
continue;
}
// If there is a focused app, don't allow focus to go to any
// windows below it. If this is an application window, step
// through the app tokens until we find its app.
if (thisApp != null && nextApp != null && thisApp != nextApp
&& win.mAttrs.type != TYPE_APPLICATION_STARTING) {
int origAppIndex = nextAppIndex;
while (nextAppIndex > 0) {
if (nextApp == mFocusedApp) {
// Whoops, we are below the focused app... no focus
// for you!
if (localLOGV || DEBUG_FOCUS) Slog.v(
TAG, "Reached focused app: " + mFocusedApp);
return null;
}
nextAppIndex--;
nextApp = mAppTokens.get(nextAppIndex);
if (nextApp == thisApp) {
break;
}
}
if (thisApp != nextApp) {
// Uh oh, the app token doesn't exist! This shouldn't
// happen, but if it does we can get totally hosed...
// so restart at the original app.
nextAppIndex = origAppIndex;
nextApp = mAppTokens.get(nextAppIndex);
}
}
// Dispatch to this window if it is wants key events.
if (win.canReceiveKeys()) {
if (DEBUG_FOCUS) Slog.v(
TAG, "Found focus @ " + i + " = " + win);
result = win;
break;
}
i--;
}
return result;
}
private void startFreezingDisplayLocked(boolean inTransaction) {
if (mDisplayFrozen) {
return;
}
if (mDisplay == null || !mPolicy.isScreenOnFully()) {
// No need to freeze the screen before the system is ready or if
// the screen is off.
return;
}
mScreenFrozenLock.acquire();
mDisplayFrozen = true;
mInputMonitor.freezeInputDispatchingLw();
if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
mNextAppTransitionPackage = null;
mAppTransitionReady = true;
}
if (PROFILE_ORIENTATION) {
File file = new File("/data/system/frozen");
Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
}
if (CUSTOM_SCREEN_ROTATION) {
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.kill();
mScreenRotationAnimation = null;
}
if (mScreenRotationAnimation == null) {
mScreenRotationAnimation = new ScreenRotationAnimation(mContext,
mFxSession, inTransaction, mCurDisplayWidth, mCurDisplayHeight,
mDisplay.getRotation());
}
if (!mScreenRotationAnimation.hasScreenshot()) {
Surface.freezeDisplay(0);
}
} else {
Surface.freezeDisplay(0);
}
}
private void stopFreezingDisplayLocked() {
if (!mDisplayFrozen) {
return;
}
if (mWaitingForConfig || mAppsFreezingScreen > 0 || mWindowsFreezingScreen) {
return;
}
mDisplayFrozen = false;
mH.removeMessages(H.APP_FREEZE_TIMEOUT);
if (PROFILE_ORIENTATION) {
Debug.stopMethodTracing();
}
boolean updateRotation = false;
if (CUSTOM_SCREEN_ROTATION && mScreenRotationAnimation != null
&& mScreenRotationAnimation.hasScreenshot()) {
if (DEBUG_ORIENTATION) Slog.i(TAG, "**** Dismissing screen rotation animation");
if (mScreenRotationAnimation.dismiss(mFxSession, MAX_ANIMATION_DURATION,
mTransitionAnimationScale, mCurDisplayWidth, mCurDisplayHeight)) {
scheduleAnimationLocked();
} else {
mScreenRotationAnimation = null;
updateRotation = true;
}
} else {
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.kill();
mScreenRotationAnimation = null;
}
updateRotation = true;
}
Surface.unfreezeDisplay(0);
mInputMonitor.thawInputDispatchingLw();
boolean configChanged;
// While the display is frozen we don't re-compute the orientation
// to avoid inconsistent states. However, something interesting
// could have actually changed during that time so re-evaluate it
// now to catch that.
configChanged = updateOrientationFromAppTokensLocked(false);
// A little kludge: a lot could have happened while the
// display was frozen, so now that we are coming back we
// do a gc so that any remote references the system
// processes holds on others can be released if they are
// no longer needed.
mH.removeMessages(H.FORCE_GC);
mH.sendMessageDelayed(mH.obtainMessage(H.FORCE_GC),
2000);
mScreenFrozenLock.release();
if (updateRotation) {
if (DEBUG_ORIENTATION) Slog.d(TAG, "Performing post-rotate rotation");
configChanged |= updateRotationUncheckedLocked(false);
}
if (configChanged) {
mH.sendEmptyMessage(H.SEND_NEW_CONFIGURATION);
}
}
static int getPropertyInt(String[] tokens, int index, int defUnits, int defDps,
DisplayMetrics dm) {
if (index < tokens.length) {
String str = tokens[index];
if (str != null && str.length() > 0) {
try {
int val = Integer.parseInt(str);
return val;
} catch (Exception e) {
}
}
}
if (defUnits == TypedValue.COMPLEX_UNIT_PX) {
return defDps;
}
int val = (int)TypedValue.applyDimension(defUnits, defDps, dm);
return val;
}
void createWatermark() {
if (mWatermark != null) {
return;
}
File file = new File("/system/etc/setup.conf");
FileInputStream in = null;
try {
in = new FileInputStream(file);
DataInputStream ind = new DataInputStream(in);
String line = ind.readLine();
if (line != null) {
String[] toks = line.split("%");
if (toks != null && toks.length > 0) {
mWatermark = new Watermark(mRealDisplayMetrics, mFxSession, toks);
}
}
} catch (FileNotFoundException e) {
} catch (IOException e) {
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
}
}
@Override
public void statusBarVisibilityChanged(int visibility) {
if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR)
!= PackageManager.PERMISSION_GRANTED) {
throw new SecurityException("Caller does not hold permission "
+ android.Manifest.permission.STATUS_BAR);
}
synchronized (mWindowMap) {
mLastStatusBarVisibility = visibility;
visibility = mPolicy.adjustSystemUiVisibilityLw(visibility);
updateStatusBarVisibilityLocked(visibility);
}
}
void updateStatusBarVisibilityLocked(int visibility) {
mInputManager.setSystemUiVisibility(visibility);
final int N = mWindows.size();
for (int i = 0; i < N; i++) {
WindowState ws = mWindows.get(i);
try {
int curValue = ws.mSystemUiVisibility;
int diff = curValue ^ visibility;
// We are only interested in differences of one of the
// clearable flags...
diff &= View.SYSTEM_UI_CLEARABLE_FLAGS;
// ...if it has actually been cleared.
diff &= ~visibility;
int newValue = (curValue&~diff) | (visibility&diff);
if (newValue != curValue) {
ws.mSeq++;
ws.mSystemUiVisibility = newValue;
}
if (newValue != curValue || ws.mAttrs.hasSystemUiListeners) {
ws.mClient.dispatchSystemUiVisibilityChanged(ws.mSeq,
visibility, newValue, diff);
}
} catch (RemoteException e) {
// so sorry
}
}
}
@Override
public void reevaluateStatusBarVisibility() {
synchronized (mWindowMap) {
int visibility = mPolicy.adjustSystemUiVisibilityLw(mLastStatusBarVisibility);
updateStatusBarVisibilityLocked(visibility);
performLayoutAndPlaceSurfacesLocked();
}
}
@Override
public FakeWindow addFakeWindow(Looper looper,
InputEventReceiver.Factory inputEventReceiverFactory,
String name, int windowType, int layoutParamsFlags, boolean canReceiveKeys,
boolean hasFocus, boolean touchFullscreen) {
synchronized (mWindowMap) {
FakeWindowImpl fw = new FakeWindowImpl(this, looper, inputEventReceiverFactory,
name, windowType,
layoutParamsFlags, canReceiveKeys, hasFocus, touchFullscreen);
int i=0;
while (i<mFakeWindows.size()) {
if (mFakeWindows.get(i).mWindowLayer <= fw.mWindowLayer) {
break;
}
}
mFakeWindows.add(i, fw);
mInputMonitor.updateInputWindowsLw(true);
return fw;
}
}
boolean removeFakeWindowLocked(FakeWindow window) {
synchronized (mWindowMap) {
if (mFakeWindows.remove(window)) {
mInputMonitor.updateInputWindowsLw(true);
return true;
}
return false;
}
}
@Override
public boolean hasNavigationBar() {
return mPolicy.hasNavigationBar();
}
public void lockNow() {
mPolicy.lockNow();
}
void dumpInput(FileDescriptor fd, PrintWriter pw, boolean dumpAll) {
pw.println("WINDOW MANAGER INPUT (dumpsys window input)");
mInputManager.dump(pw);
}
void dumpPolicyLocked(FileDescriptor fd, PrintWriter pw, String[] args, boolean dumpAll) {
pw.println("WINDOW MANAGER POLICY STATE (dumpsys window policy)");
mPolicy.dump(" ", fd, pw, args);
}
void dumpTokensLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll) {
pw.println("WINDOW MANAGER TOKENS (dumpsys window tokens)");
if (mTokenMap.size() > 0) {
pw.println(" All tokens:");
Iterator<WindowToken> it = mTokenMap.values().iterator();
while (it.hasNext()) {
WindowToken token = it.next();
pw.print(" Token "); pw.print(token.token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ");
} else {
pw.println();
}
}
}
if (mWallpaperTokens.size() > 0) {
pw.println();
pw.println(" Wallpaper tokens:");
for (int i=mWallpaperTokens.size()-1; i>=0; i--) {
WindowToken token = mWallpaperTokens.get(i);
pw.print(" Wallpaper #"); pw.print(i);
pw.print(' '); pw.print(token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ");
} else {
pw.println();
}
}
}
if (mAppTokens.size() > 0) {
pw.println();
pw.println(" Application tokens in Z order:");
for (int i=mAppTokens.size()-1; i>=0; i--) {
pw.print(" App #"); pw.print(i); pw.println(": ");
mAppTokens.get(i).dump(pw, " ");
}
}
if (mFinishedStarting.size() > 0) {
pw.println();
pw.println(" Finishing start of application tokens:");
for (int i=mFinishedStarting.size()-1; i>=0; i--) {
WindowToken token = mFinishedStarting.get(i);
pw.print(" Finished Starting #"); pw.print(i);
pw.print(' '); pw.print(token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ");
} else {
pw.println();
}
}
}
if (mExitingTokens.size() > 0) {
pw.println();
pw.println(" Exiting tokens:");
for (int i=mExitingTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingTokens.get(i);
pw.print(" Exiting #"); pw.print(i);
pw.print(' '); pw.print(token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ");
} else {
pw.println();
}
}
}
if (mExitingAppTokens.size() > 0) {
pw.println();
pw.println(" Exiting application tokens:");
for (int i=mExitingAppTokens.size()-1; i>=0; i--) {
WindowToken token = mExitingAppTokens.get(i);
pw.print(" Exiting App #"); pw.print(i);
pw.print(' '); pw.print(token);
if (dumpAll) {
pw.println(':');
token.dump(pw, " ");
} else {
pw.println();
}
}
}
pw.println();
if (mOpeningApps.size() > 0) {
pw.print(" mOpeningApps="); pw.println(mOpeningApps);
}
if (mClosingApps.size() > 0) {
pw.print(" mClosingApps="); pw.println(mClosingApps);
}
if (mToTopApps.size() > 0) {
pw.print(" mToTopApps="); pw.println(mToTopApps);
}
if (mToBottomApps.size() > 0) {
pw.print(" mToBottomApps="); pw.println(mToBottomApps);
}
}
void dumpSessionsLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll) {
pw.println("WINDOW MANAGER SESSIONS (dumpsys window sessions)");
if (mSessions.size() > 0) {
Iterator<Session> it = mSessions.iterator();
while (it.hasNext()) {
Session s = it.next();
pw.print(" Session "); pw.print(s); pw.println(':');
s.dump(pw, " ");
}
}
}
void dumpWindowsLocked(FileDescriptor fd, PrintWriter pw, boolean dumpAll,
ArrayList<WindowState> windows) {
pw.println("WINDOW MANAGER WINDOWS (dumpsys window windows)");
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" Window #"); pw.print(i); pw.print(' ');
pw.print(w); pw.println(":");
w.dump(pw, " ", dumpAll || windows != null);
}
}
if (mInputMethodDialogs.size() > 0) {
pw.println();
pw.println(" Input method dialogs:");
for (int i=mInputMethodDialogs.size()-1; i>=0; i--) {
WindowState w = mInputMethodDialogs.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" IM Dialog #"); pw.print(i); pw.print(": "); pw.println(w);
}
}
}
if (mPendingRemove.size() > 0) {
pw.println();
pw.println(" Remove pending for:");
for (int i=mPendingRemove.size()-1; i>=0; i--) {
WindowState w = mPendingRemove.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" Remove #"); pw.print(i); pw.print(' ');
pw.print(w);
if (dumpAll) {
pw.println(":");
w.dump(pw, " ", true);
} else {
pw.println();
}
}
}
}
if (mForceRemoves != null && mForceRemoves.size() > 0) {
pw.println();
pw.println(" Windows force removing:");
for (int i=mForceRemoves.size()-1; i>=0; i--) {
WindowState w = mForceRemoves.get(i);
pw.print(" Removing #"); pw.print(i); pw.print(' ');
pw.print(w);
if (dumpAll) {
pw.println(":");
w.dump(pw, " ", true);
} else {
pw.println();
}
}
}
if (mDestroySurface.size() > 0) {
pw.println();
pw.println(" Windows waiting to destroy their surface:");
for (int i=mDestroySurface.size()-1; i>=0; i--) {
WindowState w = mDestroySurface.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" Destroy #"); pw.print(i); pw.print(' ');
pw.print(w);
if (dumpAll) {
pw.println(":");
w.dump(pw, " ", true);
} else {
pw.println();
}
}
}
}
if (mLosingFocus.size() > 0) {
pw.println();
pw.println(" Windows losing focus:");
for (int i=mLosingFocus.size()-1; i>=0; i--) {
WindowState w = mLosingFocus.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" Losing #"); pw.print(i); pw.print(' ');
pw.print(w);
if (dumpAll) {
pw.println(":");
w.dump(pw, " ", true);
} else {
pw.println();
}
}
}
}
if (mResizingWindows.size() > 0) {
pw.println();
pw.println(" Windows waiting to resize:");
for (int i=mResizingWindows.size()-1; i>=0; i--) {
WindowState w = mResizingWindows.get(i);
if (windows == null || windows.contains(w)) {
pw.print(" Resizing #"); pw.print(i); pw.print(' ');
pw.print(w);
if (dumpAll) {
pw.println(":");
w.dump(pw, " ", true);
} else {
pw.println();
}
}
}
}
if (mWaitingForDrawn.size() > 0) {
pw.println();
pw.println(" Clients waiting for these windows to be drawn:");
for (int i=mWaitingForDrawn.size()-1; i>=0; i--) {
Pair<WindowState, IRemoteCallback> pair = mWaitingForDrawn.get(i);
pw.print(" Waiting #"); pw.print(i); pw.print(' '); pw.print(pair.first);
pw.print(": "); pw.println(pair.second);
}
}
pw.println();
if (mDisplay != null) {
pw.print(" Display: init="); pw.print(mInitialDisplayWidth); pw.print("x");
pw.print(mInitialDisplayHeight); pw.print(" base=");
pw.print(mBaseDisplayWidth); pw.print("x"); pw.print(mBaseDisplayHeight);
pw.print(" cur=");
pw.print(mCurDisplayWidth); pw.print("x"); pw.print(mCurDisplayHeight);
pw.print(" app=");
pw.print(mAppDisplayWidth); pw.print("x"); pw.print(mAppDisplayHeight);
pw.print(" raw="); pw.print(mDisplay.getRawWidth());
pw.print("x"); pw.println(mDisplay.getRawHeight());
} else {
pw.println(" NO DISPLAY");
}
pw.print(" mCurConfiguration="); pw.println(this.mCurConfiguration);
pw.print(" mCurrentFocus="); pw.println(mCurrentFocus);
if (mLastFocus != mCurrentFocus) {
pw.print(" mLastFocus="); pw.println(mLastFocus);
}
pw.print(" mFocusedApp="); pw.println(mFocusedApp);
if (mInputMethodTarget != null) {
pw.print(" mInputMethodTarget="); pw.println(mInputMethodTarget);
}
pw.print(" mInTouchMode="); pw.print(mInTouchMode);
pw.print(" mLayoutSeq="); pw.println(mLayoutSeq);
if (dumpAll) {
if (mLastStatusBarVisibility != 0) {
pw.print(" mLastStatusBarVisibility=0x");
pw.println(Integer.toHexString(mLastStatusBarVisibility));
}
if (mInputMethodWindow != null) {
pw.print(" mInputMethodWindow="); pw.println(mInputMethodWindow);
}
pw.print(" mWallpaperTarget="); pw.println(mWallpaperTarget);
if (mLowerWallpaperTarget != null && mUpperWallpaperTarget != null) {
pw.print(" mLowerWallpaperTarget="); pw.println(mLowerWallpaperTarget);
pw.print(" mUpperWallpaperTarget="); pw.println(mUpperWallpaperTarget);
}
if (mWindowDetachedWallpaper != null) {
pw.print(" mWindowDetachedWallpaper="); pw.println(mWindowDetachedWallpaper);
}
pw.print(" mLastWallpaperX="); pw.print(mLastWallpaperX);
pw.print(" mLastWallpaperY="); pw.println(mLastWallpaperY);
if (mInputMethodAnimLayerAdjustment != 0 ||
mWallpaperAnimLayerAdjustment != 0) {
pw.print(" mInputMethodAnimLayerAdjustment=");
pw.print(mInputMethodAnimLayerAdjustment);
pw.print(" mWallpaperAnimLayerAdjustment=");
pw.println(mWallpaperAnimLayerAdjustment);
}
if (mWindowAnimationBackgroundSurface != null) {
pw.println(" mWindowAnimationBackgroundSurface:");
mWindowAnimationBackgroundSurface.printTo(" ", pw);
}
pw.print(" mSystemBooted="); pw.print(mSystemBooted);
pw.print(" mDisplayEnabled="); pw.println(mDisplayEnabled);
pw.print(" mLayoutNeeded="); pw.print(mLayoutNeeded);
pw.print(" mBlurShown="); pw.println(mBlurShown);
if (mDimAnimator != null) {
pw.println(" mDimAnimator:");
mDimAnimator.printTo(" ", pw);
} else {
pw.println( " no DimAnimator ");
}
pw.print(" mDisplayFrozen="); pw.print(mDisplayFrozen);
pw.print(" mWindowsFreezingScreen="); pw.print(mWindowsFreezingScreen);
pw.print(" mAppsFreezingScreen="); pw.print(mAppsFreezingScreen);
pw.print(" mWaitingForConfig="); pw.println(mWaitingForConfig);
pw.print(" mRotation="); pw.print(mRotation);
pw.print(" mAltOrientation="); pw.println(mAltOrientation);
pw.print(" mLastWindowForcedOrientation"); pw.print(mLastWindowForcedOrientation);
pw.print(" mForcedAppOrientation="); pw.println(mForcedAppOrientation);
pw.print(" mDeferredRotationPauseCount="); pw.println(mDeferredRotationPauseCount);
if (mScreenRotationAnimation != null) {
pw.println(" mScreenRotationAnimation:");
mScreenRotationAnimation.printTo(" ", pw);
}
pw.print(" mWindowAnimationScale="); pw.print(mWindowAnimationScale);
pw.print(" mTransitionWindowAnimationScale="); pw.print(mTransitionAnimationScale);
pw.print(" mAnimatorDurationScale="); pw.println(mAnimatorDurationScale);
pw.print(" mTraversalScheduled="); pw.print(mTraversalScheduled);
pw.print(" mNextAppTransition=0x");
pw.print(Integer.toHexString(mNextAppTransition));
pw.print(" mAppTransitionReady="); pw.println(mAppTransitionReady);
pw.print(" mAppTransitionRunning="); pw.print(mAppTransitionRunning);
pw.print(" mAppTransitionTimeout="); pw.println( mAppTransitionTimeout);
if (mNextAppTransitionPackage != null) {
pw.print(" mNextAppTransitionPackage=");
pw.print(mNextAppTransitionPackage);
pw.print(" mNextAppTransitionEnter=0x");
pw.print(Integer.toHexString(mNextAppTransitionEnter));
pw.print(" mNextAppTransitionExit=0x");
pw.print(Integer.toHexString(mNextAppTransitionExit));
}
pw.print(" mStartingIconInTransition="); pw.print(mStartingIconInTransition);
pw.print(", mSkipAppTransitionAnimation="); pw.println(mSkipAppTransitionAnimation);
}
}
boolean dumpWindows(FileDescriptor fd, PrintWriter pw, String name, String[] args,
int opti, boolean dumpAll) {
ArrayList<WindowState> windows = new ArrayList<WindowState>();
if ("visible".equals(name)) {
synchronized(mWindowMap) {
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (w.mSurfaceShown) {
windows.add(w);
}
}
}
} else {
int objectId = 0;
// See if this is an object ID.
try {
objectId = Integer.parseInt(name, 16);
name = null;
} catch (RuntimeException e) {
}
synchronized(mWindowMap) {
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
if (name != null) {
if (w.mAttrs.getTitle().toString().contains(name)) {
windows.add(w);
}
} else if (System.identityHashCode(w) == objectId) {
windows.add(w);
}
}
}
}
if (windows.size() <= 0) {
return false;
}
synchronized(mWindowMap) {
dumpWindowsLocked(fd, pw, dumpAll, windows);
}
return true;
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext.checkCallingOrSelfPermission("android.permission.DUMP")
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump WindowManager from from pid="
+ Binder.getCallingPid()
+ ", uid=" + Binder.getCallingUid());
return;
}
boolean dumpAll = false;
int opti = 0;
while (opti < args.length) {
String opt = args[opti];
if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') {
break;
}
opti++;
if ("-a".equals(opt)) {
dumpAll = true;
} else if ("-h".equals(opt)) {
pw.println("Window manager dump options:");
pw.println(" [-a] [-h] [cmd] ...");
pw.println(" cmd may be one of:");
pw.println(" i[input]: input subsystem state");
pw.println(" p[policy]: policy state");
pw.println(" s[essions]: active sessions");
pw.println(" t[okens]: token list");
pw.println(" w[indows]: window list");
pw.println(" cmd may also be a NAME to dump windows. NAME may");
pw.println(" be a partial substring in a window name, a");
pw.println(" Window hex object identifier, or");
pw.println(" \"all\" for all windows, or");
pw.println(" \"visible\" for the visible windows.");
pw.println(" -a: include all available server state.");
return;
} else {
pw.println("Unknown argument: " + opt + "; use -h for help");
}
}
// Is the caller requesting to dump a particular piece of data?
if (opti < args.length) {
String cmd = args[opti];
opti++;
if ("input".equals(cmd) || "i".equals(cmd)) {
dumpInput(fd, pw, true);
return;
} else if ("policy".equals(cmd) || "p".equals(cmd)) {
synchronized(mWindowMap) {
dumpPolicyLocked(fd, pw, args, true);
}
return;
} else if ("sessions".equals(cmd) || "s".equals(cmd)) {
synchronized(mWindowMap) {
dumpSessionsLocked(fd, pw, true);
}
return;
} else if ("tokens".equals(cmd) || "t".equals(cmd)) {
synchronized(mWindowMap) {
dumpTokensLocked(fd, pw, true);
}
return;
} else if ("windows".equals(cmd) || "w".equals(cmd)) {
synchronized(mWindowMap) {
dumpWindowsLocked(fd, pw, true, null);
}
return;
} else if ("all".equals(cmd) || "a".equals(cmd)) {
synchronized(mWindowMap) {
dumpWindowsLocked(fd, pw, true, null);
}
return;
} else {
// Dumping a single name?
if (!dumpWindows(fd, pw, cmd, args, opti, dumpAll)) {
pw.println("Bad window command, or no windows match: " + cmd);
pw.println("Use -h for help.");
}
return;
}
}
dumpInput(fd, pw, dumpAll);
synchronized(mWindowMap) {
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpPolicyLocked(fd, pw, args, dumpAll);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpSessionsLocked(fd, pw, dumpAll);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpTokensLocked(fd, pw, dumpAll);
pw.println();
if (dumpAll) {
pw.println("-------------------------------------------------------------------------------");
}
dumpWindowsLocked(fd, pw, dumpAll, null);
}
}
// Called by the heartbeat to ensure locks are not held indefnitely (for deadlock detection).
public void monitor() {
synchronized (mWindowMap) { }
synchronized (mKeyguardTokenWatcher) { }
}
public interface OnHardKeyboardStatusChangeListener {
public void onHardKeyboardStatusChange(boolean available, boolean enabled);
}
}
Reference in New Issue View Git Blame Copy Permalink