Merge "Refactor DisplayManagerService to be functional." into jb-mr1-dev

This commit is contained in:
Craig Mautner
2012-08-02 13:16:12 -07:00
committed by Android (Google) Code Review
7 changed files with 266 additions and 91 deletions

View File

@@ -72,6 +72,12 @@ public final class Display {
*/
public static final int DEFAULT_DISPLAY = 0;
/**
* Uninitialized display.
* @hide
*/
public static final int NO_DISPLAY = -1;
/**
* Internal method to create a display.
* Applications should use {@link android.view.WindowManager#getDefaultDisplay()}

View File

@@ -16,14 +16,32 @@
package com.android.server.display;
import android.view.Display;
/**
* A display adapter makes one or more display devices available to the system.
* A display adapter makes a single display devices available to the system.
* <p>
* For now, all display adapters are registered in the system server but
* in principle it could be done from other processes.
* </p>
*/
public abstract class DisplayAdapter {
/** The current logical Display assignment for this adapter. Will change if other logical
* display is assigned to this adapter */
private int mDisplayId = Display.NO_DISPLAY;
/** Assign the displayId
* @hide */
public void setDisplayId(int displayId) {
mDisplayId = displayId;
}
/** Retrieve the displayId
* @hide */
public int getDisplayId() {
return mDisplayId;
}
/**
* Gets the display adapter name.
* @return The display adapter name.
@@ -31,5 +49,5 @@ public abstract class DisplayAdapter {
public abstract String getName();
// TODO: dynamically register display devices
public abstract DisplayDevice[] getDisplayDevices();
public abstract DisplayDevice getDisplayDevice();
}

View File

@@ -22,6 +22,8 @@ import android.content.pm.PackageManager;
import android.hardware.display.IDisplayManager;
import android.os.Binder;
import android.os.SystemProperties;
import android.util.Slog;
import android.util.SparseArray;
import android.view.Display;
import android.view.DisplayInfo;
import android.view.Surface;
@@ -47,30 +49,36 @@ public final class DisplayManagerService extends IDisplayManager.Stub {
private Context mContext;
private final boolean mHeadless;
private int mDisplayIdSeq = Display.DEFAULT_DISPLAY;
/** All registered DisplayAdapters. */
private final ArrayList<DisplayAdapter> mDisplayAdapters = new ArrayList<DisplayAdapter>();
// TODO: represent this as a map between logical and physical devices
private DisplayInfo mDefaultDisplayInfo;
private DisplayDevice mDefaultDisplayDevice;
private DisplayDeviceInfo mDefaultDisplayDeviceInfo;
/** All the DisplayAdapters showing the given displayId. */
private final SparseArray<ArrayList<DisplayAdapter>> mLogicalToPhysicals =
new SparseArray<ArrayList<DisplayAdapter>>();
/** All the DisplayInfos in the system indexed by deviceId */
private final SparseArray<DisplayInfo> mDisplayInfos = new SparseArray<DisplayInfo>();
public DisplayManagerService() {
mHeadless = SystemProperties.get(SYSTEM_HEADLESS).equals("1");
registerDisplayAdapters();
initializeDefaultDisplay();
registerDefaultDisplayAdapter();
}
private void registerDefaultDisplayAdapter() {
if (mHeadless) {
registerDisplayAdapter(new HeadlessDisplayAdapter());
} else {
registerDisplayAdapter(new SurfaceFlingerDisplayAdapter());
}
}
public void setContext(Context context) {
mContext = context;
}
// FIXME: this isn't the right API for the long term
public void setDefaultDisplayInfo(DisplayInfo info) {
synchronized (mLock) {
mDefaultDisplayInfo.copyFrom(info);
}
}
// FIXME: this isn't the right API for the long term
public void getDefaultExternalDisplayDeviceInfo(DisplayDeviceInfo info) {
// hardcoded assuming 720p touch screen plugged into HDMI and USB
@@ -83,17 +91,187 @@ public final class DisplayManagerService extends IDisplayManager.Stub {
return mHeadless;
}
/**
* Save away new DisplayInfo data.
* @param displayId The local DisplayInfo to store the new data in.
* @param info The new data to be stored.
*/
public void setDisplayInfo(int displayId, DisplayInfo info) {
synchronized (mLock) {
DisplayInfo localInfo = mDisplayInfos.get(displayId);
if (localInfo == null) {
localInfo = new DisplayInfo();
mDisplayInfos.put(displayId, localInfo);
}
localInfo.copyFrom(info);
}
}
/**
* Return requested DisplayInfo.
* @param displayId The data to retrieve.
* @param outInfo The structure to receive the data.
*/
@Override // Binder call
public boolean getDisplayInfo(int displayId, DisplayInfo outInfo) {
synchronized (mLock) {
if (displayId == Display.DEFAULT_DISPLAY) {
outInfo.copyFrom(mDefaultDisplayInfo);
return true;
DisplayInfo localInfo = mDisplayInfos.get(displayId);
if (localInfo == null) {
return false;
}
return false;
outInfo.copyFrom(localInfo);
return true;
}
}
/**
* Inform the service of a new physical display. A new logical displayId is created and the new
* physical display is immediately bound to it. Use removeAdapterFromDisplay to disconnect it.
*
* @param adapter The wrapper for information associated with the physical display.
*/
public void registerDisplayAdapter(DisplayAdapter adapter) {
synchronized (mLock) {
int displayId = mDisplayIdSeq++;
adapter.setDisplayId(displayId);
createDisplayInfoLocked(displayId, adapter);
ArrayList<DisplayAdapter> list = new ArrayList<DisplayAdapter>();
list.add(adapter);
mLogicalToPhysicals.put(displayId, list);
mDisplayAdapters.add(adapter);
}
// TODO: Notify SurfaceFlinger of new addition.
}
/**
* Connect a logical display to a physical display. Will remove the physical display from any
* logical display it is currently attached to.
*
* @param displayId The logical display. Will be created if it does not already exist.
* @param adapter The physical display.
*/
public void addAdapterToDisplay(int displayId, DisplayAdapter adapter) {
if (adapter == null) {
// TODO: Or throw NPE?
Slog.e(TAG, "addDeviceToDisplay: Attempt to add null adapter");
return;
}
synchronized (mLock) {
if (!mDisplayAdapters.contains(adapter)) {
// TOOD: Handle unregistered adapter with exception or return value.
Slog.e(TAG, "addDeviceToDisplay: Attempt to add an unregistered adapter");
return;
}
DisplayInfo displayInfo = mDisplayInfos.get(displayId);
if (displayInfo == null) {
createDisplayInfoLocked(displayId, adapter);
}
Integer oldDisplayId = adapter.getDisplayId();
if (oldDisplayId != Display.NO_DISPLAY) {
if (oldDisplayId == displayId) {
// adapter already added to displayId.
return;
}
removeAdapterLocked(adapter);
}
ArrayList<DisplayAdapter> list = mLogicalToPhysicals.get(displayId);
if (list == null) {
list = new ArrayList<DisplayAdapter>();
mLogicalToPhysicals.put(displayId, list);
}
list.add(adapter);
adapter.setDisplayId(displayId);
}
// TODO: Notify SurfaceFlinger of new addition.
}
/**
* Disconnect the physical display from whichever logical display it is attached to.
* @param adapter The physical display to detach.
*/
public void removeAdapterFromDisplay(DisplayAdapter adapter) {
if (adapter == null) {
// TODO: Or throw NPE?
return;
}
synchronized (mLock) {
if (!mDisplayAdapters.contains(adapter)) {
// TOOD: Handle unregistered adapter with exception or return value.
Slog.e(TAG, "removeDeviceFromDisplay: Attempt to remove an unregistered adapter");
return;
}
removeAdapterLocked(adapter);
}
// TODO: Notify SurfaceFlinger of removal.
}
/**
* Create a new logical DisplayInfo and fill it in with information from the physical display.
* @param displayId The logical identifier.
* @param adapter The physical display for initial values.
*/
private void createDisplayInfoLocked(int displayId, DisplayAdapter adapter) {
DisplayInfo displayInfo = new DisplayInfo();
DisplayDeviceInfo deviceInfo = new DisplayDeviceInfo();
adapter.getDisplayDevice().getInfo(deviceInfo);
copyDisplayInfoFromDeviceInfo(displayInfo, deviceInfo);
mDisplayInfos.put(displayId, displayInfo);
}
/**
* Disconnect a physical display from its logical display. If there are no more physical
* displays attached to the logical display, delete the logical display.
* @param adapter The physical display to detach.
*/
void removeAdapterLocked(DisplayAdapter adapter) {
int displayId = adapter.getDisplayId();
adapter.setDisplayId(Display.NO_DISPLAY);
ArrayList<DisplayAdapter> list = mLogicalToPhysicals.get(displayId);
if (list != null) {
list.remove(adapter);
if (list.isEmpty()) {
mLogicalToPhysicals.remove(displayId);
// TODO: Keep count of Windows attached to logical display and don't delete if
// there are any outstanding. Also, what keeps the WindowManager from continuing
// to use the logical display?
mDisplayInfos.remove(displayId);
}
}
}
private void copyDisplayInfoFromDeviceInfo(DisplayInfo displayInfo,
DisplayDeviceInfo deviceInfo) {
// Bootstrap the logical display using the physical display.
displayInfo.appWidth = deviceInfo.width;
displayInfo.appHeight = deviceInfo.height;
displayInfo.logicalWidth = deviceInfo.width;
displayInfo.logicalHeight = deviceInfo.height;
displayInfo.rotation = Surface.ROTATION_0;
displayInfo.refreshRate = deviceInfo.refreshRate;
displayInfo.logicalDensityDpi = deviceInfo.densityDpi;
displayInfo.physicalXDpi = deviceInfo.xDpi;
displayInfo.physicalYDpi = deviceInfo.yDpi;
displayInfo.smallestNominalAppWidth = deviceInfo.width;
displayInfo.smallestNominalAppHeight = deviceInfo.height;
displayInfo.largestNominalAppWidth = deviceInfo.width;
displayInfo.largestNominalAppHeight = deviceInfo.height;
}
@Override // Binder call
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (mContext == null
@@ -110,46 +288,11 @@ public final class DisplayManagerService extends IDisplayManager.Stub {
DisplayDeviceInfo info = new DisplayDeviceInfo();
for (DisplayAdapter adapter : mDisplayAdapters) {
pw.println("Displays for adapter " + adapter.getName());
for (DisplayDevice device : adapter.getDisplayDevices()) {
device.getInfo(info);
pw.print(" ");
pw.println(info);
}
pw.println("Display for adapter " + adapter.getName());
DisplayDevice device = adapter.getDisplayDevice();
pw.print(" ");
device.getInfo(info);
pw.println(info);
}
}
private void registerDisplayAdapters() {
if (mHeadless) {
registerDisplayAdapter(new HeadlessDisplayAdapter());
} else {
registerDisplayAdapter(new SurfaceFlingerDisplayAdapter());
}
}
private void registerDisplayAdapter(DisplayAdapter adapter) {
// TODO: do this dynamically
mDisplayAdapters.add(adapter);
mDefaultDisplayDevice = adapter.getDisplayDevices()[0];
mDefaultDisplayDeviceInfo = new DisplayDeviceInfo();
mDefaultDisplayDevice.getInfo(mDefaultDisplayDeviceInfo);
}
private void initializeDefaultDisplay() {
// Bootstrap the default logical display using the default physical display.
mDefaultDisplayInfo = new DisplayInfo();
mDefaultDisplayInfo.appWidth = mDefaultDisplayDeviceInfo.width;
mDefaultDisplayInfo.appHeight = mDefaultDisplayDeviceInfo.height;
mDefaultDisplayInfo.logicalWidth = mDefaultDisplayDeviceInfo.width;
mDefaultDisplayInfo.logicalHeight = mDefaultDisplayDeviceInfo.height;
mDefaultDisplayInfo.rotation = Surface.ROTATION_0;
mDefaultDisplayInfo.refreshRate = mDefaultDisplayDeviceInfo.refreshRate;
mDefaultDisplayInfo.logicalDensityDpi = mDefaultDisplayDeviceInfo.densityDpi;
mDefaultDisplayInfo.physicalXDpi = mDefaultDisplayDeviceInfo.xDpi;
mDefaultDisplayInfo.physicalYDpi = mDefaultDisplayDeviceInfo.yDpi;
mDefaultDisplayInfo.smallestNominalAppWidth = mDefaultDisplayDeviceInfo.width;
mDefaultDisplayInfo.smallestNominalAppHeight = mDefaultDisplayDeviceInfo.height;
mDefaultDisplayInfo.largestNominalAppWidth = mDefaultDisplayDeviceInfo.width;
mDefaultDisplayInfo.largestNominalAppHeight = mDefaultDisplayDeviceInfo.height;
}
}

View File

@@ -40,7 +40,7 @@ public final class HeadlessDisplayAdapter extends DisplayAdapter {
}
@Override
public DisplayDevice[] getDisplayDevices() {
return new DisplayDevice[] { mDefaultDisplay };
public DisplayDevice getDisplayDevice() {
return mDefaultDisplay;
}
}

View File

@@ -35,7 +35,7 @@ public final class SurfaceFlingerDisplayAdapter extends DisplayAdapter {
}
@Override
public DisplayDevice[] getDisplayDevices() {
return new DisplayDevice[] { mDefaultDisplay };
public DisplayDevice getDisplayDevice() {
return mDefaultDisplay;
}
}

View File

@@ -18,6 +18,8 @@ package com.android.server.wm;
import android.view.DisplayInfo;
import com.android.server.display.DisplayManagerService;
import java.io.PrintWriter;
import java.util.ArrayList;
@@ -56,10 +58,13 @@ class DisplayContent {
int mInitialDisplayHeight = 0;
int mBaseDisplayWidth = 0;
int mBaseDisplayHeight = 0;
final DisplayManagerService mDisplayManager;
final DisplayInfo mDisplayInfo = new DisplayInfo();
DisplayContent(final int displayId) {
DisplayContent(DisplayManagerService displayManager, final int displayId) {
mDisplayManager = displayManager;
mDisplayId = displayId;
displayManager.getDisplayInfo(displayId, mDisplayInfo);
}
int getDisplayId() {

View File

@@ -4876,7 +4876,7 @@ public class WindowManagerService extends IWindowManager.Stub
final int pos = findWindowOffsetLocked(windows, tokenPos);
reAddAppWindowsLocked(displayContent, pos, wtoken);
if (updateFocusAndLayout && !updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
if (updateFocusAndLayout && !updateFocusedWindowLocked(UPDATE_FOCUS_WILL_PLACE_SURFACES,
false /*updateInputWindows*/)) {
assignLayersLocked(windows);
}
@@ -4927,7 +4927,7 @@ public class WindowManagerService extends IWindowManager.Stub
mInputMonitor.setUpdateInputWindowsNeededLw();
// Note that the above updateFocusedWindowLocked used to sit here.
// Note that the above updateFocusedWindowLocked used to sit here.
mLayoutNeeded = true;
performLayoutAndPlaceSurfacesLocked();
@@ -6572,7 +6572,7 @@ public class WindowManagerService extends IWindowManager.Stub
displayInfo.appHeight = appHeight;
displayInfo.getLogicalMetrics(mRealDisplayMetrics, null);
displayInfo.getAppMetrics(mDisplayMetrics, null);
mDisplayManager.setDefaultDisplayInfo(displayInfo);
mDisplayManager.setDisplayInfo(displayContent.getDisplayId(), displayInfo);
mAnimator.setDisplayDimensions(dw, dh, appWidth, appHeight);
}
@@ -6882,48 +6882,51 @@ public class WindowManagerService extends IWindowManager.Stub
public void displayReady() {
displayReady(Display.DEFAULT_DISPLAY);
synchronized(mWindowMap) {
WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
mDisplay = wm.getDefaultDisplay();
mIsTouchDevice = mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_TOUCHSCREEN);
final DisplayInfo displayInfo = getDefaultDisplayInfo();
mAnimator.setDisplayDimensions(displayInfo.logicalWidth, displayInfo.logicalHeight,
displayInfo.appWidth, displayInfo.appHeight);
DisplayDeviceInfo info = new DisplayDeviceInfo();
mDisplayManager.getDefaultExternalDisplayDeviceInfo(info);
final DisplayContent displayContent = getDefaultDisplayContent();
mInputManager.setDisplaySize(Display.DEFAULT_DISPLAY,
displayContent.mInitialDisplayWidth, displayContent.mInitialDisplayHeight,
info.width, info.height);
mInputManager.setDisplayOrientation(Display.DEFAULT_DISPLAY,
mDisplay.getRotation(), Surface.ROTATION_0);
mPolicy.setInitialDisplaySize(mDisplay,
displayContent.mInitialDisplayWidth, displayContent.mInitialDisplayHeight);
}
}
public void displayReady(int displayId) {
synchronized(mWindowMap) {
if (mDisplay != null) {
throw new IllegalStateException("Display already initialized");
}
WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
mDisplay = wm.getDefaultDisplay();
mIsTouchDevice = mContext.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_TOUCHSCREEN);
final DisplayContent displayContent = getDisplayContent(displayId);
final DisplayInfo displayInfo;
synchronized(displayContent.mDisplaySizeLock) {
// Bootstrap the default logical display from the display manager.
final DisplayInfo displayInfo = displayContent.getDisplayInfo();
displayInfo = displayContent.getDisplayInfo();
mDisplayManager.getDisplayInfo(displayId, displayInfo);
displayContent.mInitialDisplayWidth = displayInfo.logicalWidth;
displayContent.mInitialDisplayHeight = displayInfo.logicalHeight;
displayContent.mBaseDisplayWidth = displayContent.mInitialDisplayWidth;
displayContent.mBaseDisplayHeight = displayContent.mInitialDisplayHeight;
mAnimator.setDisplayDimensions(displayInfo.logicalWidth, displayInfo.logicalHeight,
displayInfo.appWidth, displayInfo.appHeight);
}
DisplayDeviceInfo info = new DisplayDeviceInfo();
mDisplayManager.getDefaultExternalDisplayDeviceInfo(info);
mInputManager.setDisplaySize(displayId,
displayContent.mInitialDisplayWidth, displayContent.mInitialDisplayHeight,
info.width, info.height);
mInputManager.setDisplayOrientation(displayId,
mDisplay.getRotation(), Surface.ROTATION_0);
mPolicy.setInitialDisplaySize(mDisplay,
displayContent.mInitialDisplayWidth, displayContent.mInitialDisplayHeight);
}
try {
mActivityManager.updateConfiguration(null);
} catch (RemoteException e) {
}
synchronized (mWindowMap) {
readForcedDisplaySizeLocked(getDisplayContent(displayId));
}
@@ -10325,7 +10328,7 @@ public class WindowManagerService extends IWindowManager.Stub
public DisplayContent getDisplayContent(final int displayId) {
DisplayContent displayContent = mDisplayContents.get(displayId);
if (displayContent == null) {
displayContent = new DisplayContent(displayId);
displayContent = new DisplayContent(mDisplayManager, displayId);
mDisplayContents.put(displayId, displayContent);
}
return displayContent;