Merge changes from topic "concurrent-keyguard" into udc-dev

* changes:
  Cleanup mRearDisplayPresentationController if SecurityException caught
  Add foreground check for controlling or requesting device state
  Do not show Keyguard Presentation when occluded
This commit is contained in:
Kevin Chyn
2023-05-12 01:13:46 +00:00
committed by Android (Google) Code Review
4 changed files with 153 additions and 15 deletions

View File

@@ -342,11 +342,22 @@ public class WindowAreaComponentImpl implements WindowAreaComponent,
mRearDisplayPresentationController);
DeviceStateRequest concurrentDisplayStateRequest = DeviceStateRequest.newBuilder(
mConcurrentDisplayState).build();
mDeviceStateManager.requestState(
concurrentDisplayStateRequest,
mExecutor,
deviceStateCallback
);
try {
mDeviceStateManager.requestState(
concurrentDisplayStateRequest,
mExecutor,
deviceStateCallback
);
} catch (SecurityException e) {
// If a SecurityException occurs when invoking DeviceStateManager#requestState
// (e.g. if the caller is not in the foreground, or if it does not have the required
// permissions), we should first clean up our local state before re-throwing the
// SecurityException to the caller. Otherwise, subsequent attempts to
// startRearDisplayPresentationSession will always fail.
mRearDisplayPresentationController = null;
throw e;
}
}
}

View File

@@ -19,27 +19,34 @@ import android.app.Presentation;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Rect;
import android.hardware.devicestate.DeviceStateManager;
import android.hardware.display.DisplayManager;
import android.media.MediaRouter;
import android.media.MediaRouter.RouteInfo;
import android.os.Bundle;
import android.os.Trace;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;
import android.view.Display;
import android.view.DisplayAddress;
import android.view.DisplayInfo;
import android.view.LayoutInflater;
import android.view.View;
import android.view.WindowManager;
import androidx.annotation.Nullable;
import com.android.internal.annotations.VisibleForTesting;
import com.android.keyguard.dagger.KeyguardStatusViewComponent;
import com.android.systemui.R;
import com.android.systemui.dagger.SysUISingleton;
import com.android.systemui.dagger.qualifiers.Main;
import com.android.systemui.dagger.qualifiers.UiBackground;
import com.android.systemui.navigationbar.NavigationBarController;
import com.android.systemui.navigationbar.NavigationBarView;
import com.android.systemui.settings.DisplayTracker;
import com.android.systemui.statusbar.policy.KeyguardStateController;
import java.util.concurrent.Executor;
@@ -47,6 +54,7 @@ import javax.inject.Inject;
import dagger.Lazy;
@SysUISingleton
public class KeyguardDisplayManager {
protected static final String TAG = "KeyguardDisplayManager";
private static final boolean DEBUG = KeyguardConstants.DEBUG;
@@ -61,6 +69,9 @@ public class KeyguardDisplayManager {
private boolean mShowing;
private final DisplayInfo mTmpDisplayInfo = new DisplayInfo();
private final DeviceStateHelper mDeviceStateHelper;
private final KeyguardStateController mKeyguardStateController;
private final SparseArray<Presentation> mPresentations = new SparseArray<>();
private final DisplayTracker.Callback mDisplayCallback =
@@ -92,7 +103,9 @@ public class KeyguardDisplayManager {
KeyguardStatusViewComponent.Factory keyguardStatusViewComponentFactory,
DisplayTracker displayTracker,
@Main Executor mainExecutor,
@UiBackground Executor uiBgExecutor) {
@UiBackground Executor uiBgExecutor,
DeviceStateHelper deviceStateHelper,
KeyguardStateController keyguardStateController) {
mContext = context;
mNavigationBarControllerLazy = navigationBarControllerLazy;
mKeyguardStatusViewComponentFactory = keyguardStatusViewComponentFactory;
@@ -100,6 +113,8 @@ public class KeyguardDisplayManager {
mDisplayService = mContext.getSystemService(DisplayManager.class);
mDisplayTracker = displayTracker;
mDisplayTracker.addDisplayChangeCallback(mDisplayCallback, mainExecutor);
mDeviceStateHelper = deviceStateHelper;
mKeyguardStateController = keyguardStateController;
}
private boolean isKeyguardShowable(Display display) {
@@ -122,6 +137,18 @@ public class KeyguardDisplayManager {
}
return false;
}
if (mKeyguardStateController.isOccluded()
&& mDeviceStateHelper.isConcurrentDisplayActive(display)) {
if (DEBUG) {
// When activities with FLAG_SHOW_WHEN_LOCKED are shown on top of Keyguard, the
// Keyguard state becomes "occluded". In this case, we should not show the
// KeyguardPresentation, since the activity is presenting content onto the
// non-default display.
Log.i(TAG, "Do not show KeyguardPresentation when occluded and concurrent"
+ " display is active");
}
return false;
}
return true;
}
@@ -260,6 +287,53 @@ public class KeyguardDisplayManager {
}
/**
* Helper used to receive device state info from {@link DeviceStateManager}.
*/
static class DeviceStateHelper implements DeviceStateManager.DeviceStateCallback {
@Nullable
private final DisplayAddress.Physical mRearDisplayPhysicalAddress;
// TODO(b/271317597): These device states should be defined in DeviceStateManager
private final int mConcurrentState;
private boolean mIsInConcurrentDisplayState;
@Inject
DeviceStateHelper(Context context,
DeviceStateManager deviceStateManager,
@Main Executor mainExecutor) {
final String rearDisplayPhysicalAddress = context.getResources().getString(
com.android.internal.R.string.config_rearDisplayPhysicalAddress);
if (TextUtils.isEmpty(rearDisplayPhysicalAddress)) {
mRearDisplayPhysicalAddress = null;
} else {
mRearDisplayPhysicalAddress = DisplayAddress
.fromPhysicalDisplayId(Long.parseLong(rearDisplayPhysicalAddress));
}
mConcurrentState = context.getResources().getInteger(
com.android.internal.R.integer.config_deviceStateConcurrentRearDisplay);
deviceStateManager.registerCallback(mainExecutor, this);
}
@Override
public void onStateChanged(int state) {
// When concurrent state ends, the display also turns off. This is enforced in various
// ExtensionRearDisplayPresentationTest CTS tests. So, we don't need to invoke
// hide() since that will happen through the onDisplayRemoved callback.
mIsInConcurrentDisplayState = state == mConcurrentState;
}
boolean isConcurrentDisplayActive(Display display) {
return mIsInConcurrentDisplayState
&& mRearDisplayPhysicalAddress != null
&& mRearDisplayPhysicalAddress.equals(display.getAddress());
}
}
@VisibleForTesting
static final class KeyguardPresentation extends Presentation {
private static final int VIDEO_SAFE_REGION = 80; // Percentage of display width & height

View File

@@ -25,6 +25,7 @@ import static org.mockito.Mockito.never;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import android.hardware.display.DisplayManagerGlobal;
import android.testing.AndroidTestingRunner;
@@ -38,6 +39,7 @@ import com.android.keyguard.dagger.KeyguardStatusViewComponent;
import com.android.systemui.SysuiTestCase;
import com.android.systemui.navigationbar.NavigationBarController;
import com.android.systemui.settings.FakeDisplayTracker;
import com.android.systemui.statusbar.policy.KeyguardStateController;
import org.junit.Before;
import org.junit.Test;
@@ -58,6 +60,10 @@ public class KeyguardDisplayManagerTest extends SysuiTestCase {
private KeyguardStatusViewComponent.Factory mKeyguardStatusViewComponentFactory;
@Mock
private KeyguardDisplayManager.KeyguardPresentation mKeyguardPresentation;
@Mock
private KeyguardDisplayManager.DeviceStateHelper mDeviceStateHelper;
@Mock
private KeyguardStateController mKeyguardStateController;
private Executor mMainExecutor = Runnable::run;
private Executor mBackgroundExecutor = Runnable::run;
@@ -76,7 +82,7 @@ public class KeyguardDisplayManagerTest extends SysuiTestCase {
MockitoAnnotations.initMocks(this);
mManager = spy(new KeyguardDisplayManager(mContext, () -> mNavigationBarController,
mKeyguardStatusViewComponentFactory, mDisplayTracker, mMainExecutor,
mBackgroundExecutor));
mBackgroundExecutor, mDeviceStateHelper, mKeyguardStateController));
doReturn(mKeyguardPresentation).when(mManager).createPresentation(any());
mDefaultDisplay = new Display(DisplayManagerGlobal.getInstance(), Display.DEFAULT_DISPLAY,
@@ -123,4 +129,13 @@ public class KeyguardDisplayManagerTest extends SysuiTestCase {
mManager.show();
verify(mManager, times(1)).createPresentation(eq(mSecondaryDisplay));
}
@Test
public void testShow_concurrentDisplayActive_occluded() {
mDisplayTracker.setAllDisplays(new Display[]{mDefaultDisplay, mSecondaryDisplay});
when(mDeviceStateHelper.isConcurrentDisplayActive(mSecondaryDisplay)).thenReturn(true);
when(mKeyguardStateController.isOccluded()).thenReturn(true);
verify(mManager, never()).createPresentation(eq(mSecondaryDisplay));
}
}

View File

@@ -17,6 +17,7 @@
package com.android.server.devicestate;
import static android.Manifest.permission.CONTROL_DEVICE_STATE;
import static android.app.ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND;
import static android.content.pm.PackageManager.PERMISSION_GRANTED;
import static android.hardware.devicestate.DeviceStateManager.INVALID_DEVICE_STATE;
import static android.hardware.devicestate.DeviceStateManager.MAXIMUM_DEVICE_STATE;
@@ -73,6 +74,7 @@ import java.lang.annotation.RetentionPolicy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.WeakHashMap;
@@ -162,7 +164,7 @@ public final class DeviceStateManagerService extends SystemService {
@GuardedBy("mLock")
private final SparseArray<ProcessRecord> mProcessRecords = new SparseArray<>();
private Set<Integer> mDeviceStatesAvailableForAppRequests;
private Set<Integer> mDeviceStatesAvailableForAppRequests = new HashSet<>();
private Set<Integer> mFoldedDeviceStates;
@@ -879,8 +881,16 @@ public final class DeviceStateManagerService extends SystemService {
* @param callingPid Process ID that is requesting this state change
* @param state state that is being requested.
*/
private void assertCanRequestDeviceState(int callingPid, int state) {
if (!isTopApp(callingPid) || !isStateAvailableForAppRequests(state)) {
private void assertCanRequestDeviceState(int callingPid, int callingUid, int state) {
final boolean isTopApp = isTopApp(callingPid);
final boolean isForegroundApp = isForegroundApp(callingPid, callingUid);
final boolean isStateAvailableForAppRequests = isStateAvailableForAppRequests(state);
final boolean canRequestState = isTopApp
&& isForegroundApp
&& isStateAvailableForAppRequests;
if (!canRequestState) {
getContext().enforceCallingOrSelfPermission(CONTROL_DEVICE_STATE,
"Permission required to request device state, "
+ "or the call must come from the top app "
@@ -893,15 +903,43 @@ public final class DeviceStateManagerService extends SystemService {
* not the top app, then check if this process holds the CONTROL_DEVICE_STATE permission.
*
* @param callingPid Process ID that is requesting this state change
* @param callingUid UID that is requesting this state change
*/
private void assertCanControlDeviceState(int callingPid) {
if (!isTopApp(callingPid)) {
private void assertCanControlDeviceState(int callingPid, int callingUid) {
final boolean isTopApp = isTopApp(callingPid);
final boolean isForegroundApp = isForegroundApp(callingPid, callingUid);
final boolean canControlState = isTopApp && isForegroundApp;
if (!canControlState) {
getContext().enforceCallingOrSelfPermission(CONTROL_DEVICE_STATE,
"Permission required to request device state, "
+ "or the call must come from the top app.");
}
}
/**
* Checks if the caller is in the foreground. Note that callers may be the top app as returned
* from {@link #isTopApp(int)}, but not be in the foreground. For example, keyguard may be on
* top of the top app.
*/
private boolean isForegroundApp(int callingPid, int callingUid) {
try {
final List<ActivityManager.RunningAppProcessInfo> procs =
ActivityManager.getService().getRunningAppProcesses();
for (int i = 0; i < procs.size(); i++) {
ActivityManager.RunningAppProcessInfo proc = procs.get(i);
if (proc.pid == callingPid && proc.uid == callingUid
&& proc.importance <= IMPORTANCE_FOREGROUND) {
return true;
}
}
} catch (RemoteException e) {
Slog.w(TAG, "am.getRunningAppProcesses() failed", e);
}
return false;
}
private boolean isTopApp(int callingPid) {
final WindowProcessController topApp = mActivityTaskManagerInternal.getTopApp();
return topApp != null && topApp.getPid() == callingPid;
@@ -918,7 +956,6 @@ public final class DeviceStateManagerService extends SystemService {
*/
@GuardedBy("mLock")
private void readStatesAvailableForRequestFromApps() {
mDeviceStatesAvailableForAppRequests = new HashSet<>();
String[] availableAppStatesConfigIdentifiers = getContext().getResources()
.getStringArray(R.array.config_deviceStatesAvailableForAppRequests);
for (int i = 0; i < availableAppStatesConfigIdentifiers.length; i++) {
@@ -1118,7 +1155,7 @@ public final class DeviceStateManagerService extends SystemService {
// Allow top processes to request a device state change
// If the calling process ID is not the top app, then we check if this process
// holds a permission to CONTROL_DEVICE_STATE
assertCanRequestDeviceState(callingPid, state);
assertCanRequestDeviceState(callingPid, callingUid, state);
if (token == null) {
throw new IllegalArgumentException("Request token must not be null.");
@@ -1139,10 +1176,11 @@ public final class DeviceStateManagerService extends SystemService {
@Override // Binder call
public void cancelStateRequest() {
final int callingPid = Binder.getCallingPid();
final int callingUid = Binder.getCallingUid();
// Allow top processes to cancel a device state change
// If the calling process ID is not the top app, then we check if this process
// holds a permission to CONTROL_DEVICE_STATE
assertCanControlDeviceState(callingPid);
assertCanControlDeviceState(callingPid, callingUid);
final long callingIdentity = Binder.clearCallingIdentity();
try {