RESTRICT AUTOMERGE: Fix snapshot starting window stuck if the task never gain focus am: a4f760bee7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15937022

Change-Id: I67c974b959f0a5695384bba8ecfa144fde2e101e

libs/WindowManager/Shell/src/com/android/wm/shell/startingsurface/TaskSnapshotWindow.java

@@ -123,7 +123,7 @@ public class TaskSnapshotWindow {
      * Ideally the delay time will be shorter when receiving
      * {@link StartingSurfaceDrawer#onImeDrawnOnTask(int)}.
      */
-    private static final long MAX_DELAY_REMOVAL_TIME_IME_VISIBLE = 450;
+    private static final long MAX_DELAY_REMOVAL_TIME_IME_VISIBLE = 600;
 
     //tmp vars for unused relayout params
     private static final Point TMP_SURFACE_SIZE = new Point();

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

@@ -2253,17 +2253,6 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
         }
     }
 
-    void removeStartingWindowIfNeeded() {
-        // Removing the task snapshot after the task is actually focused (see
-        // Task#onWindowFocusChanged). Since some of the app contents may draw in this time and
-        // requires more times to draw finish, in case flicking may happen when removing the task
-        // snapshot too early. (i.e. Showing IME.)
-        if ((mStartingData instanceof SnapshotStartingData) && !getTask().isFocused()) {
-            return;
-        }
-        removeStartingWindow();
-    }
-
     void removeStartingWindow() {
         removeStartingWindowAnimation(true /* prepareAnimation */);
     }
@@ -5835,7 +5824,7 @@ final class ActivityRecord extends WindowToken implements WindowManagerService.A
             // own stuff.
             win.cancelAnimation();
         }
-        removeStartingWindowIfNeeded();
+        removeStartingWindow();
         updateReportedVisibilityLocked();
     }
 

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

@@ -5206,10 +5206,6 @@ class Task extends WindowContainer<WindowContainer> {
      * @param hasFocus
      */
     void onWindowFocusChanged(boolean hasFocus) {
-        final ActivityRecord topAct = getTopVisibleActivity();
-        if (topAct != null && (topAct.mStartingData instanceof SnapshotStartingData)) {
-            topAct.removeStartingWindowIfNeeded();
-        }
         updateShadowsRadius(hasFocus, getSyncTransaction());
         // TODO(b/180525887): Un-comment once there is resolution on the bug.
         // dispatchTaskInfoChangedIfNeeded(false /* force */);