From 630562210e8eab111cea50922af61ba4161f78a7 Mon Sep 17 00:00:00 2001
From: Alex Chau <alexchau@google.com>
Date: Wed, 4 Aug 2021 12:14:46 +0100
Subject: [PATCH] Only refresh DISABLED_NO_THUMBNAIL when thumbnail changes

- Avoid refreshing all overlay content which happens too frequently

Bug: 193125090
Test: atest NexusLauncherTests:com.android.quickstep.TaplTestsQuickstep#testOverviewActions
Change-Id: Idcfe19a518e621c55574baae3bbe1378b7f3d08f
---
 .../src/com/android/quickstep/TaskOverlayFactory.java      | 7 +++++++
 .../src/com/android/quickstep/views/TaskThumbnailView.java | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
index 080533b9a9..f49c9b01b8 100644
--- a/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
+++ b/quickstep/src/com/android/quickstep/TaskOverlayFactory.java
@@ -182,6 +182,13 @@ public class TaskOverlayFactory implements ResourceBasedOverride {
             }
         }
 
+        /**
+         * Called when the current task's thumbnail has changed.
+         */
+        public void refreshActionVisibility(ThumbnailData thumbnail) {
+            getActionsView().updateDisabledFlags(DISABLED_NO_THUMBNAIL, thumbnail == null);
+        }
+
         /**
          * End rendering live tile in Overview.
          *
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
index 320ea09d7e..35e21ad85a 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailView.java
@@ -162,7 +162,9 @@ public class TaskThumbnailView extends View implements PluginListener<OverviewSc
             mBitmapShader = new BitmapShader(bm, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
             mPaint.setShader(mBitmapShader);
             updateThumbnailMatrix();
-            refreshOverlay();
+            if (mOverlayEnabled) {
+                getTaskOverlay().refreshActionVisibility(mThumbnailData);
+            }
         } else {
             mBitmapShader = null;
             mThumbnailData = null;