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Crop wallpaper windows to their current target stack bounds

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Crop wallpaper windows to the stack bounds of their current target to avoid
them showing behind transparent windows in other stacks in split-screen mode.

Bug: 27989717
Change-Id: Iff7cec201dd8061026e32af0f44380862fc37705
This commit is contained in:
Wale Ogunwale
2016-05-10 15:53:09 -07:00
parent fc41735835
commit e6cb450b0d
1 changed files with 18 additions and 0 deletions
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18
services/core/java/com/android/server/wm/WindowStateAnimator.java
View File

@@ -23,6 +23,7 @@ import static android.view.WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
import static android.view.WindowManager.LayoutParams.FLAG_SCALED;
import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
import static android.view.WindowManager.LayoutParams.TYPE_WALLPAPER;
import static com.android.server.wm.AppWindowAnimator.sDummyAnimation;
import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_FREEFORM;
import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_ADD_REMOVE;
@@ -1323,6 +1324,23 @@ class WindowStateAnimator {
return;
}
// We crop wallpaper windows to the stack bounds of their current target to avoid them
// showing behind transparent windows in other stacks in split-screen mode.
if (w.getBaseType() == TYPE_WALLPAPER) {
final WindowState wallpaperTarget = mWallpaperControllerLocked.getWallpaperTarget();
if (wallpaperTarget != null) {
final Task task = wallpaperTarget.getTask();
if (task != null && !task.isFullscreen()) {
final TaskStack stack = task.mStack;
if (stack != null && !stack.isFullscreen()) {
stack.getDimBounds(mTmpStackBounds);
clipRect.intersect(mTmpStackBounds);
}
}
}
return;
}
final Task task = w.getTask();
if (task == null || !task.cropWindowsToStackBounds()) {
return;