synchronized void animate() {
mPendingLayoutChanges = 0;
mCurrentTime = SystemClock.uptimeMillis();
mBulkUpdateParams = 0;
boolean wasAnimating = mAnimating;
mAnimating = false;
if (WindowManagerService.DEBUG_WINDOW_TRACE) {
Slog.i(TAG, "!!! animate: entry time=" + mCurrentTime);
}
// Update animations of all applications, including those
// associated with exiting/removed apps
Surface.openTransaction();
try {
updateWindowsAppsAndRotationAnimationsLocked();
performAnimationsLocked();
testWallpaperAndBackgroundLocked();
// THIRD LOOP: Update the surfaces of all windows.
if (mScreenRotationAnimation != null) {
mScreenRotationAnimation.updateSurfaces();
}
final int N = mWinAnimators.size();
for (int i = 0; i < N; i++) {
mWinAnimators.get(i).prepareSurfaceLocked(true);
}
if (mDimParams != null) {
mDimAnimator.updateParameters(mContext.getResources(), mDimParams, mCurrentTime);
}
if (mDimAnimator != null && mDimAnimator.mDimShown) {
mAnimating |=
mDimAnimator.updateSurface(isDimming(), mCurrentTime, !mService.okToDisplay());
}
if (mService.mBlackFrame != null) {
if (mScreenRotationAnimation != null) {
mService.mBlackFrame.setMatrix(
mScreenRotationAnimation.getEnterTransformation().getMatrix());
} else {
mService.mBlackFrame.clearMatrix();
}
}
if (mService.mWatermark != null) {
mService.mWatermark.drawIfNeeded();
}
} catch (RuntimeException e) {
Log.wtf(TAG, "Unhandled exception in Window Manager", e);
} finally {
Surface.closeTransaction();
}
mService.bulkSetParameters(mBulkUpdateParams, mPendingLayoutChanges);
if (mAnimating) {
mService.scheduleAnimationLocked();
} else if (wasAnimating) {
mService.requestTraversalLocked();
}
if (WindowManagerService.DEBUG_WINDOW_TRACE) {
Slog.i(
TAG,
"!!! animate: exit mAnimating="
+ mAnimating
+ " mBulkUpdateParams="
+ Integer.toHexString(mBulkUpdateParams)
+ " mPendingLayoutChanges="
+ Integer.toHexString(mPendingLayoutChanges));
}
}
