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/wm/Session.java

diff --git a/services/core/java/com/android/server/wm/Session.java b/services/core/java/com/android/server/wm/Session.java
index ca9076f..3200b54 100644
--- a/services/core/java/com/android/server/wm/Session.java
+++ b/services/core/java/com/android/server/wm/Session.java
@@ -17,6 +17,7 @@
 package com.android.server.wm;
 
 import android.view.IWindowId;
+import android.view.IWindowSessionCallback;
 import com.android.internal.view.IInputContext;
 import com.android.internal.view.IInputMethodClient;
 import com.android.internal.view.IInputMethodManager;
@@ -54,6 +55,7 @@
 final class Session extends IWindowSession.Stub
         implements IBinder.DeathRecipient {
     final WindowManagerService mService;
+    final IWindowSessionCallback mCallback;
     final IInputMethodClient mClient;
     final IInputContext mInputContext;
     final int mUid;
@@ -62,14 +64,17 @@
     SurfaceSession mSurfaceSession;
     int mNumWindow = 0;
     boolean mClientDead = false;
+    float mLastReportedAnimatorScale;
 
-    public Session(WindowManagerService service, IInputMethodClient client,
-            IInputContext inputContext) {
+    public Session(WindowManagerService service, IWindowSessionCallback callback,
+            IInputMethodClient client, IInputContext inputContext) {
         mService = service;
+        mCallback = callback;
         mClient = client;
         mInputContext = inputContext;
         mUid = Binder.getCallingUid();
         mPid = Binder.getCallingPid();
+        mLastReportedAnimatorScale = service.getCurrentAnimatorScale();
         StringBuilder sb = new StringBuilder();
         sb.append("Session{");
         sb.append(Integer.toHexString(System.identityHashCode(this)));
@@ -464,6 +469,9 @@
             if (WindowManagerService.SHOW_TRANSACTIONS) Slog.i(
                     WindowManagerService.TAG, "  NEW SURFACE SESSION " + mSurfaceSession);
             mService.mSessions.add(this);
+            if (mLastReportedAnimatorScale != mService.getCurrentAnimatorScale()) {
+                mService.dispatchNewAnimatorScaleLocked(this);
+            }
         }
         mNumWindow++;
     }