Removed cancelRecentsAnimationSynchronously() call path (48/n)

No longer needed since we are now under a unified lock.

Bug: 80414790
Test: Existing test pass
Change-Id: I5aad974053d85330653b99ebc410f8cbda076348
diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 88b330b..1853209 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -2797,7 +2797,7 @@
         try {
             synchronized (mGlobalLock) {
                 // Cancel the recents animation synchronously (do not hold the WM lock)
-                mWindowManager.cancelRecentsAnimationSynchronously(restoreHomeStackPosition
+                mWindowManager.cancelRecentsAnimation(restoreHomeStackPosition
                         ? REORDER_MOVE_TO_ORIGINAL_POSITION
                         : REORDER_KEEP_IN_PLACE, "cancelRecentsAnimation/uid=" + callingUid);
             }
diff --git a/services/core/java/com/android/server/wm/RecentsAnimation.java b/services/core/java/com/android/server/wm/RecentsAnimation.java
index 4f0332c..caa8363 100644
--- a/services/core/java/com/android/server/wm/RecentsAnimation.java
+++ b/services/core/java/com/android/server/wm/RecentsAnimation.java
@@ -241,7 +241,7 @@
             // Fetch all the surface controls and pass them to the client to get the animation
             // started. Cancel any existing recents animation running synchronously (do not hold the
             // WM lock)
-            mWindowManager.cancelRecentsAnimationSynchronously(REORDER_MOVE_TO_ORIGINAL_POSITION,
+            mWindowManager.cancelRecentsAnimation(REORDER_MOVE_TO_ORIGINAL_POSITION,
                     "startRecentsActivity");
             mWindowManager.initializeRecentsAnimation(mTargetActivityType, recentsAnimationRunner,
                     this, mDefaultDisplay.mDisplayId,
@@ -396,12 +396,8 @@
 
     @Override
     public void onAnimationFinished(@RecentsAnimationController.ReorderMode int reorderMode,
-            boolean runSychronously, boolean sendUserLeaveHint) {
-        if (runSychronously) {
-            finishAnimation(reorderMode, sendUserLeaveHint);
-        } else {
-            mService.mH.post(() -> finishAnimation(reorderMode, sendUserLeaveHint));
-        }
+            boolean sendUserLeaveHint) {
+        finishAnimation(reorderMode, sendUserLeaveHint);
     }
 
     @Override
@@ -435,8 +431,7 @@
         } else {
             // Just cancel directly to unleash from launcher when the next launching task is the
             // current top task.
-            mWindowManager.cancelRecentsAnimationSynchronously(REORDER_KEEP_IN_PLACE,
-                    "stackOrderChanged");
+            mWindowManager.cancelRecentsAnimation(REORDER_KEEP_IN_PLACE, "stackOrderChanged");
         }
     }
 
diff --git a/services/core/java/com/android/server/wm/RecentsAnimationController.java b/services/core/java/com/android/server/wm/RecentsAnimationController.java
index 724a72e..8752f37 100644
--- a/services/core/java/com/android/server/wm/RecentsAnimationController.java
+++ b/services/core/java/com/android/server/wm/RecentsAnimationController.java
@@ -168,8 +168,7 @@
 
     public interface RecentsAnimationCallbacks {
         /** Callback when recents animation is finished. */
-        void onAnimationFinished(@ReorderMode int reorderMode, boolean runSychronously,
-                boolean sendUserLeaveHint);
+        void onAnimationFinished(@ReorderMode int reorderMode, boolean sendUserLeaveHint);
     }
 
     private final IRecentsAnimationController mController =
@@ -221,8 +220,7 @@
                 // prior to calling the callback
                 mCallbacks.onAnimationFinished(moveHomeToTop
                         ? REORDER_MOVE_TO_TOP
-                        : REORDER_MOVE_TO_ORIGINAL_POSITION,
-                        true /* runSynchronously */, sendUserLeaveHint);
+                        : REORDER_MOVE_TO_ORIGINAL_POSITION, sendUserLeaveHint);
                 mDisplayContent.mBoundsAnimationController.setAnimationType(FADE_IN);
             } finally {
                 Binder.restoreCallingIdentity(token);
@@ -498,21 +496,15 @@
     }
 
     void cancelAnimation(@ReorderMode int reorderMode, String reason) {
-        cancelAnimation(reorderMode, false /* runSynchronously */, false /*screenshot */, reason);
-    }
-
-    void cancelAnimationSynchronously(@ReorderMode int reorderMode, String reason) {
-        cancelAnimation(reorderMode, true /* runSynchronously */, false /* screenshot */, reason);
+        cancelAnimation(reorderMode, false /*screenshot */, reason);
     }
 
     void cancelAnimationWithScreenshot(boolean screenshot) {
-        cancelAnimation(REORDER_KEEP_IN_PLACE, true /* sync */, screenshot, "stackOrderChanged");
+        cancelAnimation(REORDER_KEEP_IN_PLACE, screenshot, "stackOrderChanged");
     }
 
-    private void cancelAnimation(@ReorderMode int reorderMode, boolean runSynchronously,
-            boolean screenshot, String reason) {
-        if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "cancelAnimation(): reason=" + reason
-                + " runSynchronously=" + runSynchronously);
+    private void cancelAnimation(@ReorderMode int reorderMode, boolean screenshot, String reason) {
+        if (DEBUG_RECENTS_ANIMATIONS) Slog.d(TAG, "cancelAnimation(): reason=" + reason);
         synchronized (mService.getWindowManagerLock()) {
             if (mCanceled) {
                 // We've already canceled the animation
@@ -525,16 +517,14 @@
                 // Screen shot previous task when next task starts transition and notify the runner.
                 // We will actually finish the animation once the runner calls cleanUpScreenshot().
                 final Task task = mPendingAnimations.get(0).mTask;
-                final TaskSnapshot taskSnapshot = screenshotRecentTask(task, reorderMode,
-                        runSynchronously);
+                final TaskSnapshot taskSnapshot = screenshotRecentTask(task, reorderMode);
                 try {
                     mRunner.onAnimationCanceled(taskSnapshot);
                 } catch (RemoteException e) {
                     Slog.e(TAG, "Failed to cancel recents animation", e);
                 }
                 if (taskSnapshot == null) {
-                    mCallbacks.onAnimationFinished(reorderMode, runSynchronously,
-                            false /* sendUserLeaveHint */);
+                    mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */);
                 }
             } else {
                 // Otherwise, notify the runner and clean up the animation immediately
@@ -545,8 +535,7 @@
                 } catch (RemoteException e) {
                     Slog.e(TAG, "Failed to cancel recents animation", e);
                 }
-                mCallbacks.onAnimationFinished(reorderMode, runSynchronously,
-                        false /* sendUserLeaveHint */);
+                mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */);
             }
         }
     }
@@ -592,8 +581,7 @@
         return mRequestDeferCancelUntilNextTransition && mCancelDeferredWithScreenshot;
     }
 
-    TaskSnapshot screenshotRecentTask(Task task, @ReorderMode int reorderMode,
-            boolean runSynchronously) {
+    TaskSnapshot screenshotRecentTask(Task task, @ReorderMode int reorderMode) {
         final TaskSnapshotController snapshotController = mService.mTaskSnapshotController;
         final ArraySet<Task> tasks = Sets.newArraySet(task);
         snapshotController.snapshotTasks(tasks);
@@ -613,8 +601,7 @@
                     if (DEBUG_RECENTS_ANIMATIONS) {
                         Slog.d(TAG, "mRecentScreenshotAnimator finish");
                     }
-                    mCallbacks.onAnimationFinished(reorderMode, runSynchronously,
-                            false /* sendUserLeaveHint */);
+                    mCallbacks.onAnimationFinished(reorderMode, false /* sendUserLeaveHint */);
                 }, mService);
         mRecentScreenshotAnimator.transferAnimation(task.mSurfaceAnimator);
         return taskSnapshot;
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index db77a33..ebb13226 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2607,50 +2607,39 @@
      * @return Whether the next recents animation can continue to start. Called from
      *         {@link RecentsAnimation#startRecentsActivity}.
      */
-    public boolean canStartRecentsAnimation() {
-        synchronized (mGlobalLock) {
-            // TODO(multi-display): currently only default display support recent activity
-            if (getDefaultDisplayContentLocked().mAppTransition.isTransitionSet()) {
-                return false;
-            }
-            return true;
+    boolean canStartRecentsAnimation() {
+        // TODO(multi-display): currently only default display support recent activity
+        if (getDefaultDisplayContentLocked().mAppTransition.isTransitionSet()) {
+            return false;
         }
+        return true;
     }
 
-    /**
-     * Cancels any running recents animation. The caller should NOT hold the WM lock while calling
-     * this method, as it will call back into AM and may cause a deadlock. Any locking will be done
-     * in the animation controller itself.
-     */
-    public void cancelRecentsAnimationSynchronously(
+    void cancelRecentsAnimation(
             @RecentsAnimationController.ReorderMode int reorderMode, String reason) {
         if (mRecentsAnimationController != null) {
             // This call will call through to cleanupAnimation() below after the animation is
             // canceled
-            mRecentsAnimationController.cancelAnimationSynchronously(reorderMode, reason);
+            mRecentsAnimationController.cancelAnimation(reorderMode, reason);
         }
     }
 
-    public void cleanupRecentsAnimation(@RecentsAnimationController.ReorderMode int reorderMode) {
-        synchronized (mGlobalLock) {
-            if (mRecentsAnimationController != null) {
-                final RecentsAnimationController controller = mRecentsAnimationController;
-                mRecentsAnimationController = null;
-                controller.cleanupAnimation(reorderMode);
-                // TODO(mult-display): currently only default display support recents animation.
-                getDefaultDisplayContentLocked().mAppTransition.updateBooster();
-            }
+    void cleanupRecentsAnimation(@RecentsAnimationController.ReorderMode int reorderMode) {
+        if (mRecentsAnimationController != null) {
+            final RecentsAnimationController controller = mRecentsAnimationController;
+            mRecentsAnimationController = null;
+            controller.cleanupAnimation(reorderMode);
+            // TODO(mult-display): currently only default display support recents animation.
+            getDefaultDisplayContentLocked().mAppTransition.updateBooster();
         }
     }
 
-    public void setAppFullscreen(IBinder token, boolean toOpaque) {
-        synchronized (mGlobalLock) {
-            final AppWindowToken atoken = mRoot.getAppWindowToken(token);
-            if (atoken != null) {
-                atoken.setFillsParent(toOpaque);
-                setWindowOpaqueLocked(token, toOpaque);
-                mWindowPlacerLocked.requestTraversal();
-            }
+    void setAppFullscreen(IBinder token, boolean toOpaque) {
+        final AppWindowToken atoken = mRoot.getAppWindowToken(token);
+        if (atoken != null) {
+            atoken.setFillsParent(toOpaque);
+            setWindowOpaqueLocked(token, toOpaque);
+            mWindowPlacerLocked.requestTraversal();
         }
     }