Merge "Show bg color during ActivityEmbedding change anim for legacy transition" into tm-qpr-dev am: 2d0d492064

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20265109

Change-Id: I999c2a6e635edbe70b15e7e20126fce28abeefc2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

libs/WindowManager/Jetpack/src/androidx/window/extensions/embedding/TaskFragmentAnimationSpec.java

@@ -161,7 +161,7 @@ class TaskFragmentAnimationSpec {
         // The position should be 0-based as we will post translate in
         // TaskFragmentAnimationAdapter#onAnimationUpdate
         final Animation endTranslate = new TranslateAnimation(startBounds.left - endBounds.left, 0,
-                0, 0);
+                startBounds.top - endBounds.top, 0);
         endTranslate.setDuration(CHANGE_ANIMATION_DURATION);
         endSet.addAnimation(endTranslate);
         // The end leash is resizing, we should update the window crop based on the clip rect.

services/core/java/com/android/server/wm/AppTransition.java

@@ -1460,6 +1460,12 @@ public class AppTransition implements Dump {
                 || transit == TRANSIT_OLD_ACTIVITY_RELAUNCH;
     }
 
+    static boolean isTaskFragmentTransitOld(@TransitionOldType int transit) {
+        return transit == TRANSIT_OLD_TASK_FRAGMENT_OPEN
+                || transit == TRANSIT_OLD_TASK_FRAGMENT_CLOSE
+                || transit == TRANSIT_OLD_TASK_FRAGMENT_CHANGE;
+    }
+
     static boolean isChangeTransitOld(@TransitionOldType int transit) {
         return transit == TRANSIT_OLD_TASK_CHANGE_WINDOWING_MODE
                 || transit == TRANSIT_OLD_TASK_FRAGMENT_CHANGE;

services/core/java/com/android/server/wm/WindowContainer.java

@@ -41,6 +41,7 @@ import static com.android.internal.protolog.ProtoLogGroup.WM_DEBUG_SYNC_ENGINE;
 import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
 import static com.android.server.wm.AppTransition.MAX_APP_TRANSITION_DURATION;
 import static com.android.server.wm.AppTransition.isActivityTransitOld;
+import static com.android.server.wm.AppTransition.isTaskFragmentTransitOld;
 import static com.android.server.wm.AppTransition.isTaskTransitOld;
 import static com.android.server.wm.DisplayContent.IME_TARGET_LAYERING;
 import static com.android.server.wm.IdentifierProto.HASH_CODE;
@@ -2985,10 +2986,17 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
             // {@link Activity#overridePendingTransition(int, int, int)}.
             @ColorInt int backdropColor = 0;
             if (controller.isFromActivityEmbedding()) {
+                if (isChanging) {
+                    // When there are more than one changing containers, it may leave part of the
+                    // screen empty. Show background color to cover that.
+                    showBackdrop = getDisplayContent().mChangingContainers.size() > 1;
+                } else {
+                    // Check whether or not to show backdrop for open/close transition.
                     final int animAttr = AppTransition.mapOpenCloseTransitTypes(transit, enter);
                     final Animation a = animAttr != 0
                             ? appTransition.loadAnimationAttr(lp, animAttr, transit) : null;
                     showBackdrop = a != null && a.getShowBackdrop();
+                }
                 backdropColor = appTransition.getNextAppTransitionBackgroundColor();
             }
             final Rect localBounds = new Rect(mTmpRect);
@@ -3091,9 +3099,16 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
                 }
             }
 
+            // Check if the animation requests to show background color for Activity and embedded
+            // TaskFragment.
             final ActivityRecord activityRecord = asActivityRecord();
-            if (activityRecord != null && isActivityTransitOld(transit)
+            final TaskFragment taskFragment = asTaskFragment();
-                    && adapter.getShowBackground()) {
+            if (adapter.getShowBackground()
+                    // Check if it is Activity transition.
+                    && ((activityRecord != null && isActivityTransitOld(transit))
+                    // Check if it is embedded TaskFragment transition.
+                    || (taskFragment != null && taskFragment.isEmbedded()
+                    && isTaskFragmentTransitOld(transit)))) {
                 final @ColorInt int backgroundColorForTransition;
                 if (adapter.getBackgroundColor() != 0) {
                     // If available use the background color provided through getBackgroundColor
@@ -3103,9 +3118,11 @@ class WindowContainer<E extends WindowContainer> extends ConfigurationContainer<
                     // Otherwise default to the window's background color if provided through
                     // the theme as the background color for the animation - the top most window
                     // with a valid background color and showBackground set takes precedence.
-                    final Task arTask = activityRecord.getTask();
+                    final Task parentTask = activityRecord != null
+                            ? activityRecord.getTask()
+                            : taskFragment.getTask();
                     backgroundColorForTransition = ColorUtils.setAlphaComponent(
-                            arTask.getTaskDescription().getBackgroundColor(), 255);
+                            parentTask.getTaskDescription().getBackgroundColor(), 255);
                 }
                 animationRunnerBuilder.setTaskBackgroundColor(backgroundColorForTransition);
             }