commit eb94fa7975b1e8742f3b00cec6bd4f9d6b329e3a
author Dianne Hackborn <hackbod@google.com> Tue Jun 03 17:48:12 2014 -0700
committer Dianne Hackborn <hackbod@google.com> Fri Jun 06 10:25:36 2014 -0700
tree 6ad975360e99f5d3628178bfded522470dcfea91
parent 58ff7de971a8172e40c09c3a8489eb276441e1b6

Improvements to low power mode.

Add new public API for monitoring low power mode.

BatteryService now puts device in to low power mode when
battery level is low.

Window manager now watches low power mode to turn off
animations.

Modifying the animator scale now gets propagated to all
processes.

Change-Id: I8fa566994764ddd4e1977631e28381ab9409f8ee

services/core/java/com/android/server/VibratorService.java

diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java
index 06dd3ed..fdaf55e 100644
--- a/services/core/java/com/android/server/VibratorService.java
+++ b/services/core/java/com/android/server/VibratorService.java
@@ -28,6 +28,7 @@
 import android.os.Handler;
 import android.os.IVibratorService;
 import android.os.PowerManager;
+import android.os.PowerManagerInternal;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.IBinder;
@@ -64,6 +65,7 @@
     private final PowerManager.WakeLock mWakeLock;
     private final IAppOpsService mAppOpsService;
     private final IBatteryStats mBatteryStatsService;
+    private PowerManagerInternal mPowerManagerInternal;
     private InputManager mIm;
 
     volatile VibrateThread mThread;
@@ -169,14 +171,19 @@
         mIm = (InputManager)mContext.getSystemService(Context.INPUT_SERVICE);
         mSettingObserver = new SettingsObserver(mH);
 
+        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
+        mPowerManagerInternal.registerLowPowerModeObserver(
+                new PowerManagerInternal.LowPowerModeListener() {
+            @Override
+            public void onLowPowerModeChanged(boolean enabled) {
+                updateInputDeviceVibrators();
+            }
+        });
+
         mContext.getContentResolver().registerContentObserver(
                 Settings.System.getUriFor(Settings.System.VIBRATE_INPUT_DEVICES),
                 true, mSettingObserver, UserHandle.USER_ALL);
 
-        mContext.getContentResolver().registerContentObserver(
-                Settings.Global.getUriFor(Settings.Global.LOW_POWER_MODE), false,
-                mSettingObserver, UserHandle.USER_ALL);
-
         mContext.registerReceiver(new BroadcastReceiver() {
             @Override
             public void onReceive(Context context, Intent intent) {
@@ -448,8 +455,7 @@
                 } catch (SettingNotFoundException snfe) {
                 }
 
-                mLowPowerMode = Settings.Global.getInt(mContext.getContentResolver(),
-                         Settings.Global.LOW_POWER_MODE, 0) != 0;
+                mLowPowerMode = mPowerManagerInternal.getLowPowerModeEnabled();
 
                 if (mVibrateInputDevicesSetting) {
                     if (!mInputDeviceListenerRegistered) {