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Change rotation freeze to all be implemented in window manager.

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Lots of work for no visible change in behavior, but now we can
do some fancier stuff...

Also allow rotation in all 4 directions.

Change-Id: I7e5e9537c5e359f69b83c10f65cc1ce95f371461
This commit is contained in:
Dianne Hackborn
2010-11-23 20:55:11 -08:00
parent 9fb2807e2b
commit a111187a5b
6 changed files with 262 additions and 13 deletions
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39
services/java/com/android/server/WindowManagerService.java
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@@ -201,6 +201,12 @@ public class WindowManagerService extends IWindowManager.Stub
*/
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;
@@ -374,6 +380,7 @@ public class WindowManagerService extends IWindowManager.Stub
boolean mBlurShown;
Watermark mWatermark;
StrictModeFlash mStrictModeFlash;
ScreenRotationAnimation mScreenRotationAnimation;
int mTransactionSequence = 0;
@@ -4998,7 +5005,18 @@ public class WindowManagerService extends IWindowManager.Stub
Slog.i(TAG, "Setting rotation to " + rotation + ", animFlags=" + animFlags);
mInputManager.setDisplayOrientation(0, rotation);
if (mDisplayEnabled) {
Surface.setOrientation(0, rotation, animFlags);
if (CUSTOM_SCREEN_ROTATION) {
Surface.freezeDisplay(0);
Surface.openTransaction();
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.setRotation(rotation);
}
Surface.closeTransaction();
Surface.setOrientation(0, rotation, animFlags);
Surface.unfreezeDisplay(0);
} else {
Surface.setOrientation(0, rotation, animFlags);
}
}
for (int i=mWindows.size()-1; i>=0; i--) {
WindowState w = mWindows.get(i);
@@ -10817,7 +10835,14 @@ public class WindowManagerService extends IWindowManager.Stub
File file = new File("/data/system/frozen");
Debug.startMethodTracing(file.toString(), 8 * 1024 * 1024);
}
Surface.freezeDisplay(0);
if (CUSTOM_SCREEN_ROTATION) {
if (mScreenRotationAnimation == null) {
mScreenRotationAnimation = new ScreenRotationAnimation(mDisplay, mFxSession);
}
} else {
Surface.freezeDisplay(0);
}
}
private void stopFreezingDisplayLocked() {
@@ -10834,7 +10859,15 @@ public class WindowManagerService extends IWindowManager.Stub
if (PROFILE_ORIENTATION) {
Debug.stopMethodTracing();
}
Surface.unfreezeDisplay(0);
if (CUSTOM_SCREEN_ROTATION) {
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.dismiss();
mScreenRotationAnimation = null;
}
} else {
Surface.unfreezeDisplay(0);
}
mInputMonitor.thawInputDispatchingLw();