Merge "Use the layout frame to decide whether to do a server sync" into tm-qpr-dev

1 files changed, 18 insertions, 7 deletions

diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 43bbcfb1e94a..544570954324 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -78,7 +78,6 @@ import static android.view.WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE;
 import static android.view.WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_STARTING;
 import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
-import static android.view.WindowManager.LayoutParams.TYPE_NOTIFICATION_SHADE;
 import static android.view.WindowManager.LayoutParams.TYPE_STATUS_BAR_ADDITIONAL;
 import static android.view.WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
 import static android.view.WindowManager.LayoutParams.TYPE_TOAST;
@@ -712,6 +711,7 @@ public final class ViewRootImpl implements ViewParent,
 
     // These are accessed by multiple threads.
     final Rect mWinFrame; // frame given by window manager.
+    private final Rect mLastLayoutFrame;
     Rect mOverrideInsetsFrame;
 
     final Rect mPendingBackDropFrame = new Rect();
@@ -932,6 +932,7 @@ public final class ViewRootImpl implements ViewParent,
         mHeight = -1;
         mDirty = new Rect();
         mWinFrame = new Rect();
+        mLastLayoutFrame = new Rect();
         mWindow = new W(this);
         mLeashToken = new Binder();
         mTargetSdkVersion = context.getApplicationInfo().targetSdkVersion;
@@ -1303,7 +1304,7 @@ public final class ViewRootImpl implements ViewParent,
                         UNSPECIFIED_LENGTH, UNSPECIFIED_LENGTH,
                         mInsetsController.getRequestedVisibilities(), 1f /* compactScale */,
                         mTmpFrames);
-                setFrame(mTmpFrames.frame);
+                setFrame(mTmpFrames.frame, true /* withinRelayout */);
                 registerBackCallbackOnWindow();
                 if (!WindowOnBackInvokedDispatcher.isOnBackInvokedCallbackEnabled(mContext)) {
                     // For apps requesting legacy back behavior, we add a compat callback that
@@ -1824,7 +1825,7 @@ public final class ViewRootImpl implements ViewParent,
             onMovedToDisplay(displayId, mLastConfigurationFromResources);
         }
 
-        setFrame(frame);
+        setFrame(frame, false /* withinRelayout */);
         mTmpFrames.displayFrame.set(displayFrame);
         if (mTmpFrames.attachedFrame != null && attachedFrame != null) {
             mTmpFrames.attachedFrame.set(attachedFrame);
@@ -5740,7 +5741,7 @@ public final class ViewRootImpl implements ViewParent,
                         mTmpFrames.frame.right = l + w;
                         mTmpFrames.frame.top = t;
                         mTmpFrames.frame.bottom = t + h;
-                        setFrame(mTmpFrames.frame);
+                        setFrame(mTmpFrames.frame, false /* withinRelayout */);
                         maybeHandleWindowMove(mWinFrame);
                     }
                     break;
@@ -8210,7 +8211,7 @@ public final class ViewRootImpl implements ViewParent,
             // If the position and the size of the frame are both changed, it will trigger a BLAST
             // sync, and we still need to call relayout to obtain the syncSeqId. Otherwise, we just
             // need to send attributes via relayoutAsync.
-            final Rect oldFrame = mWinFrame;
+            final Rect oldFrame = mLastLayoutFrame;
             final Rect newFrame = mTmpFrames.frame;
             final boolean positionChanged =
                     newFrame.top != oldFrame.top || newFrame.left != oldFrame.left;
@@ -8340,7 +8341,7 @@ public final class ViewRootImpl implements ViewParent,
             params.restore();
         }
 
-        setFrame(mTmpFrames.frame);
+        setFrame(mTmpFrames.frame, true /* withinRelayout */);
         return relayoutResult;
     }
 
@@ -8375,8 +8376,18 @@ public final class ViewRootImpl implements ViewParent,
         mIsSurfaceOpaque = opaque;
     }
 
-    private void setFrame(Rect frame) {
+    /**
+     * Set the mWinFrame of this window.
+     * @param frame the new frame of this window.
+     * @param withinRelayout {@code true} if this setting is within the relayout, or is the initial
+     *                       setting. That will make sure in the relayout process, we always compare
+     *                       the window frame with the last processed window frame.
+     */
+    private void setFrame(Rect frame, boolean withinRelayout) {
         mWinFrame.set(frame);
+        if (withinRelayout) {
+            mLastLayoutFrame.set(frame);
+        }
 
         final WindowConfiguration winConfig = getCompatWindowConfiguration();
         mPendingBackDropFrame.set(mPendingDragResizing && !winConfig.useWindowFrameForBackdrop()