Push wallpapers on the back during transitions
Fix: 350617801
Test: Manual, verify wallpaper stays on the back when opening app pair
Test: Manual, unlock device with separate lock/home wallpapers
Flag: com.android.window.flags.ensure_wallpaper_in_transitions
Change-Id: Ie6bd4d18bfe67ca27b791a666d5b0bff6199773c
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
index ec6802d..3e6ac95 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/transition/Transitions.java
@@ -76,6 +76,7 @@
import com.android.internal.R;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.protolog.ProtoLog;
+import com.android.window.flags.Flags;
import com.android.wm.shell.RootTaskDisplayAreaOrganizer;
import com.android.wm.shell.ShellTaskOrganizer;
import com.android.wm.shell.common.DisplayController;
@@ -585,6 +586,14 @@
final boolean isOpening = isOpeningType(transitType);
final boolean isClosing = isClosingType(transitType);
final int mode = change.getMode();
+ // Ensure wallpapers stay in the back
+ if (change.hasFlags(FLAG_IS_WALLPAPER) && Flags.ensureWallpaperInTransitions()) {
+ if (mode == TRANSIT_OPEN || mode == TRANSIT_TO_FRONT) {
+ return -zSplitLine + numChanges - i;
+ } else {
+ return -zSplitLine - i;
+ }
+ }
// Put all the OPEN/SHOW on top
if (mode == TRANSIT_OPEN || mode == TRANSIT_TO_FRONT) {
if (isOpening) {