From 023de22cf2486f6c51b789c762439b6b1f026085 Mon Sep 17 00:00:00 2001
From: Bryce Lee <brycelee@google.com>
Date: Wed, 29 Apr 2015 18:34:44 -0700
Subject: [PATCH] Add configuration to allow animations during low power mode.

On Android Wear, the stream ui needs to continue to be animated during
low power mode.

Bug: 20696607
Change-Id: I24a87eba8d86169d04a72012e0311357622db00a
---
 core/res/res/values/config.xml                               | 3 +++
 core/res/res/values/symbols.xml                              | 1 +
 .../java/com/android/server/wm/WindowManagerService.java     | 5 ++++-
 3 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index d3c31d78d1a94..ea1a3307a0eda 100755
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2102,4 +2102,7 @@
 
     <!-- This config is used to force VoiceInteractionService to start on certain low ram devices. -->
     <bool name="config_forceEnableVoiceInteractionService">false</bool>
+
+    <!-- This config is ued to determine whether animations are allowed in low power mode. -->
+    <bool name="config_allowAnimationsInLowPowerMode">false</bool>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index a4dc155759a08..7367d95e195f4 100755
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -282,6 +282,7 @@
   <java-symbol type="bool" name="config_bluetooth_default_profiles" />
   <java-symbol type="bool" name="config_enableWifiDisplay" />
   <java-symbol type="bool" name="config_forceEnableVoiceInteractionService" />
+  <java-symbol type="bool" name="config_allowAnimationsInLowPowerMode" />
   <java-symbol type="bool" name="config_useDevInputEventForAudioJack" />
   <java-symbol type="bool" name="config_safe_media_volume_enabled" />
   <java-symbol type="bool" name="config_camera_sound_forced" />
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 0cda6fd3cf46a..ad6aa7528d102 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -340,6 +340,7 @@ public class WindowManagerService extends IWindowManager.Stub
 
     final boolean mHasPermanentDpad;
     final long mDrawLockTimeoutMillis;
+    final boolean mAllowAnimationsInLowPowerMode;
 
     final boolean mAllowBootMessages;
 
@@ -831,6 +832,8 @@ public class WindowManagerService extends IWindowManager.Stub
                 com.android.internal.R.bool.config_defaultInTouchMode);
         mDrawLockTimeoutMillis = context.getResources().getInteger(
                 com.android.internal.R.integer.config_drawLockTimeoutMillis);
+        mAllowAnimationsInLowPowerMode = context.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowAnimationsInLowPowerMode);
         mInputManager = inputManager; // Must be before createDisplayContentLocked.
         mDisplayManagerInternal = LocalServices.getService(DisplayManagerInternal.class);
         mDisplaySettings = new DisplaySettings();
@@ -856,7 +859,7 @@ public class WindowManagerService extends IWindowManager.Stub
             @Override
             public void onLowPowerModeChanged(boolean enabled) {
                 synchronized (mWindowMap) {
-                    if (mAnimationsDisabled != enabled) {
+                    if (mAnimationsDisabled != enabled && !mAllowAnimationsInLowPowerMode) {
                         mAnimationsDisabled = enabled;
                         dispatchNewAnimatorScaleLocked(null);
                     }