From 5a07aadf86dc7e96e4b3a9bc2c762f754ddcf522 Mon Sep 17 00:00:00 2001
From: vadimt <vadimt@google.com>
Date: Wed, 12 Feb 2020 14:40:05 -0800
Subject: [PATCH] Feature flag for using hardware optimization for folder
 animations

Bug: 144338174
Change-Id: I92cc399da077c4c4da8264c20136302ede25ed01
---
 src/com/android/launcher3/config/FeatureFlags.java | 5 +++++
 src/com/android/launcher3/folder/Folder.java       | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/src/com/android/launcher3/config/FeatureFlags.java b/src/com/android/launcher3/config/FeatureFlags.java
index b689a0a4a7..aab6671196 100644
--- a/src/com/android/launcher3/config/FeatureFlags.java
+++ b/src/com/android/launcher3/config/FeatureFlags.java
@@ -143,6 +143,11 @@ public final class FeatureFlags {
             "ENABLE_LSQ_VELOCITY_PROVIDER", false,
             "Use Least Square algorithm for motion pause detection.");
 
+    public static final BooleanFlag ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS =
+            getDebugFlag(
+            "ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS", false,
+            "Always use hardware optimization for folder animations.");
+
     public static void initialize(Context context) {
         synchronized (sDebugFlags) {
             for (DebugFlag flag : sDebugFlags) {
diff --git a/src/com/android/launcher3/folder/Folder.java b/src/com/android/launcher3/folder/Folder.java
index e33d89fe4f..69f93de55e 100644
--- a/src/com/android/launcher3/folder/Folder.java
+++ b/src/com/android/launcher3/folder/Folder.java
@@ -26,6 +26,7 @@ import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_DESKTOP
 import static com.android.launcher3.LauncherSettings.Favorites.CONTAINER_HOTSEAT;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
+import static com.android.launcher3.config.FeatureFlags.ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_CUSTOM;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_EMPTY;
 import static com.android.launcher3.userevent.LauncherLogProto.Target.FromFolderLabelState.FROM_FOLDER_LABEL_STATE_UNSPECIFIED;
@@ -546,6 +547,8 @@ public class Folder extends AbstractFloatingView implements ClipPathView, DragSo
     }
 
     private boolean shouldUseHardwareLayerForAnimation(CellLayout currentCellLayout) {
+        if (ALWAYS_USE_HARDWARE_OPTIMIZATION_FOR_FOLDER_ANIMATIONS.get()) return true;
+
         int folderCount = 0;
         final ShortcutAndWidgetContainer container = currentCellLayout.getShortcutsAndWidgets();
         for (int i = container.getChildCount() - 1; i >= 0; --i) {