From f42d9010f1c7b47ca9d5e395c767eecf4d284daa Mon Sep 17 00:00:00 2001
From: Michael Jurka <mikejurka@google.com>
Date: Wed, 8 May 2013 18:00:04 +0200
Subject: Fix bug where thumbnails flashed more often in Recents

Bug: 8867698

Change-Id: I2773601d83507dbb55c3a1d0b723e3853e22d352
---
 core/java/android/view/ViewRootImpl.java | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'core/java/android/view/ViewRootImpl.java')

diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 3862c326ea73..b63ccab6de85 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -211,6 +211,7 @@ public final class ViewRootImpl implements ViewParent,
     boolean mHasHadWindowFocus;
     boolean mLastWasImTarget;
     boolean mWindowsAnimating;
+    boolean mDrawDuringWindowsAnimating;
     boolean mIsDrawing;
     int mLastSystemUiVisibility;
     int mClientWindowLayoutFlags;
@@ -1396,8 +1397,10 @@ public final class ViewRootImpl implements ViewParent,
 
                 final int surfaceGenerationId = mSurface.getGenerationId();
                 relayoutResult = relayoutWindow(params, viewVisibility, insetsPending);
-                mWindowsAnimating |=
-                        (relayoutResult & WindowManagerGlobal.RELAYOUT_RES_ANIMATING) != 0;
+                if (!mDrawDuringWindowsAnimating) {
+                    mWindowsAnimating |=
+                            (relayoutResult & WindowManagerGlobal.RELAYOUT_RES_ANIMATING) != 0;
+                }
 
                 if (DEBUG_LAYOUT) Log.v(TAG, "relayout: frame=" + frame.toShortString()
                         + " overscan=" + mPendingOverscanInsets.toShortString()
@@ -2572,6 +2575,16 @@ public final class ViewRootImpl implements ViewParent,
         displayLists.clear();
     }
 
+    /**
+     * @hide
+     */
+    public void setDrawDuringWindowsAnimating(boolean value) {
+        mDrawDuringWindowsAnimating = value;
+        if (value) {
+            handleDispatchDoneAnimating();
+        }
+    }
+
     boolean scrollToRectOrFocus(Rect rectangle, boolean immediate) {
         final View.AttachInfo attachInfo = mAttachInfo;
         final Rect ci = attachInfo.mContentInsets;
-- 
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