Merge "Always enable draw_magnifier_border_outside_wmlock" into main
diff --git a/core/java/android/window/flags/windowing_frontend.aconfig b/core/java/android/window/flags/windowing_frontend.aconfig
index 2c5fbd7..f234637 100644
--- a/core/java/android/window/flags/windowing_frontend.aconfig
+++ b/core/java/android/window/flags/windowing_frontend.aconfig
@@ -38,14 +38,6 @@
 }
 
 flag {
-  name: "draw_magnifier_border_outside_wmlock"
-  namespace: "windowing_frontend"
-  description: "Avoid holding WM locks for a long time when executing lockCanvas"
-  bug: "316075123"
-  is_fixed_read_only: true
-}
-
-flag {
   name: "introduce_smoother_dimmer"
   namespace: "windowing_frontend"
   description: "Refactor dim to fix flickers"
diff --git a/services/core/java/com/android/server/wm/AccessibilityController.java b/services/core/java/com/android/server/wm/AccessibilityController.java
index 2d584c4..f2d9bf8 100644
--- a/services/core/java/com/android/server/wm/AccessibilityController.java
+++ b/services/core/java/com/android/server/wm/AccessibilityController.java
@@ -462,17 +462,16 @@
         }
     }
 
-    // TODO(b/318327737): Remove parameter 't' when removing flag DRAW_IN_WM_LOCK.
-    void drawMagnifiedRegionBorderIfNeeded(int displayId, SurfaceControl.Transaction t) {
+    void drawMagnifiedRegionBorderIfNeeded(int displayId) {
         if (mAccessibilityTracing.isTracingEnabled(FLAGS_MAGNIFICATION_CALLBACK)) {
             mAccessibilityTracing.logTrace(
                     TAG + ".drawMagnifiedRegionBorderIfNeeded",
                     FLAGS_MAGNIFICATION_CALLBACK,
-                    "displayId=" + displayId + "; transaction={" + t + "}");
+                    "displayId=" + displayId);
         }
         final DisplayMagnifier displayMagnifier = mDisplayMagnifiers.get(displayId);
         if (displayMagnifier != null) {
-            displayMagnifier.drawMagnifiedRegionBorderIfNeeded(t);
+            displayMagnifier.drawMagnifiedRegionBorderIfNeeded();
         }
         // Not relevant for the window observer.
     }
@@ -870,12 +869,12 @@
                     .sendToTarget();
         }
 
-        void drawMagnifiedRegionBorderIfNeeded(SurfaceControl.Transaction t) {
+        void drawMagnifiedRegionBorderIfNeeded() {
             if (mAccessibilityTracing.isTracingEnabled(FLAGS_MAGNIFICATION_CALLBACK)) {
                 mAccessibilityTracing.logTrace(LOG_TAG + ".drawMagnifiedRegionBorderIfNeeded",
-                        FLAGS_MAGNIFICATION_CALLBACK, "transition={" + t + "}");
+                        FLAGS_MAGNIFICATION_CALLBACK);
             }
-            mMagnifedViewport.drawWindowIfNeeded(t);
+            mMagnifedViewport.drawWindowIfNeeded();
         }
 
         void dump(PrintWriter pw, String prefix) {
@@ -1121,14 +1120,6 @@
             }
 
             void setMagnifiedRegionBorderShown(boolean shown, boolean animate) {
-                if (ViewportWindow.DRAW_IN_WM_LOCK) {
-                    if (shown) {
-                        mFullRedrawNeeded = true;
-                        mOldMagnificationRegion.set(0, 0, 0, 0);
-                    }
-                    mWindow.setShown(shown, animate);
-                    return;
-                }
                 if (mWindow.setShown(shown, animate)) {
                     mFullRedrawNeeded = true;
                     // Clear the old region, so recomputeBounds will refresh the current region.
@@ -1151,12 +1142,8 @@
                 return mMagnificationSpec;
             }
 
-            void drawWindowIfNeeded(SurfaceControl.Transaction t) {
+            void drawWindowIfNeeded() {
                 recomputeBounds();
-                if (ViewportWindow.DRAW_IN_WM_LOCK) {
-                    mWindow.drawOrRemoveIfNeeded(t);
-                    return;
-                }
                 mWindow.postDrawIfNeeded();
             }
 
@@ -1187,8 +1174,6 @@
 
             private final class ViewportWindow implements Runnable {
                 private static final String SURFACE_TITLE = "Magnification Overlay";
-                // TODO(b/318327737): Remove if it is stable.
-                static final boolean DRAW_IN_WM_LOCK = !Flags.drawMagnifierBorderOutsideWmlock();
 
                 private final Region mBounds = new Region();
                 private final Rect mDirtyRect = new Rect();
@@ -1328,14 +1313,14 @@
 
                 @Override
                 public void run() {
-                    drawOrRemoveIfNeeded(mTransaction);
+                    drawOrRemoveIfNeeded();
                 }
 
                 /**
                  * This method must only be called by animation handler directly to make sure
                  * thread safe and there is no lock held outside.
                  */
-                private void drawOrRemoveIfNeeded(SurfaceControl.Transaction t) {
+                private void drawOrRemoveIfNeeded() {
                     // Drawing variables (alpha, dirty rect, and bounds) access is synchronized
                     // using WindowManagerGlobalLock. Grab copies of these values before
                     // drawing on the canvas so that drawing can be performed outside of the lock.
@@ -1343,7 +1328,7 @@
                     Rect drawingRect = null;
                     Region drawingBounds = null;
                     synchronized (mService.mGlobalLock) {
-                        if (!DRAW_IN_WM_LOCK && mBlastBufferQueue.mNativeObject == 0) {
+                        if (mBlastBufferQueue.mNativeObject == 0) {
                             // Complete removal since releaseSurface has been called.
                             if (mSurface.isValid()) {
                                 mTransaction.remove(mSurfaceControl).apply();
@@ -1388,16 +1373,8 @@
                         mPaint.setAlpha(alpha);
                         canvas.drawPath(drawingBounds.getBoundaryPath(), mPaint);
                         mSurface.unlockCanvasAndPost(canvas);
-                        if (DRAW_IN_WM_LOCK) {
-                            t.show(mSurfaceControl);
-                            return;
-                        }
                         showSurface = true;
                     } else {
-                        if (DRAW_IN_WM_LOCK) {
-                            t.hide(mSurfaceControl);
-                            return;
-                        }
                         showSurface = false;
                     }
 
@@ -1413,11 +1390,6 @@
                 @GuardedBy("mService.mGlobalLock")
                 void releaseSurface() {
                     mBlastBufferQueue.destroy();
-                    if (DRAW_IN_WM_LOCK) {
-                        mService.mTransactionFactory.get().remove(mSurfaceControl).apply();
-                        mSurface.release();
-                        return;
-                    }
                     // Post to perform cleanup on the thread which handles mSurface.
                     mService.mAnimationHandler.post(this);
                 }
diff --git a/services/core/java/com/android/server/wm/WindowAnimator.java b/services/core/java/com/android/server/wm/WindowAnimator.java
index 20622ab..b43a454 100644
--- a/services/core/java/com/android/server/wm/WindowAnimator.java
+++ b/services/core/java/com/android/server/wm/WindowAnimator.java
@@ -150,8 +150,7 @@
                     dc.checkAppWindowsReadyToShow();
                 }
                 if (accessibilityController.hasCallbacks()) {
-                    accessibilityController.drawMagnifiedRegionBorderIfNeeded(dc.mDisplayId,
-                            mTransaction);
+                    accessibilityController.drawMagnifiedRegionBorderIfNeeded(dc.mDisplayId);
                 }
 
                 if (dc.isAnimating(animationFlags, ANIMATION_TYPE_ALL)) {
diff --git a/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java b/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
index fe9d837..06afa38 100644
--- a/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/WindowManagerServiceTests.java
@@ -1068,7 +1068,7 @@
             invocationOnMock.callRealMethod();
             return null;
         }).when(surface).lockCanvas(any());
-        mWm.mAccessibilityController.drawMagnifiedRegionBorderIfNeeded(displayId, mTransaction);
+        mWm.mAccessibilityController.drawMagnifiedRegionBorderIfNeeded(displayId);
         waitUntilHandlersIdle();
         try {
             verify(surface).lockCanvas(any());
@@ -1076,14 +1076,9 @@
             clearInvocations(surface);
             // Invalidate and redraw.
             mWm.mAccessibilityController.onDisplaySizeChanged(mDisplayContent);
-            mWm.mAccessibilityController.drawMagnifiedRegionBorderIfNeeded(displayId, mTransaction);
+            mWm.mAccessibilityController.drawMagnifiedRegionBorderIfNeeded(displayId);
             // Turn off magnification to release surface.
             mWm.mAccessibilityController.setMagnificationCallbacks(displayId, null);
-            if (!com.android.window.flags.Flags.drawMagnifierBorderOutsideWmlock()) {
-                verify(surface).release();
-                assertTrue(lockCanvasInWmLock[0]);
-                return;
-            }
             waitUntilHandlersIdle();
             // lockCanvas must not be called after releasing.
             verify(surface, never()).lockCanvas(any());