From 92617036fcc9b25378c8448c923d6346a012346b Mon Sep 17 00:00:00 2001
From: Dianne Hackborn <hackbod@google.com>
Date: Fri, 19 Jun 2015 15:32:19 -0700
Subject: Fix issue #21930140: Add config to turn off auto power features

Doze and app standby are now off in the default platform config.
The Google overlay turns them on.  Other people can do that as
well, if they are feeling like it.

Change-Id: Ic8a87f696df94f2d8354fe0772d03b672f464e32
---
 .../android/server/usage/UsageStatsService.java    | 39 +++++++++++++++++-----
 1 file changed, 31 insertions(+), 8 deletions(-)

(limited to 'services/usage')

diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 3b7ed91..490236e 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -35,8 +35,6 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
-import android.content.SyncAdapterType;
-import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.ParceledListSlice;
@@ -74,7 +72,6 @@ import com.android.internal.app.IBatteryStats;
 import com.android.internal.os.BackgroundThread;
 import com.android.internal.os.SomeArgs;
 import com.android.internal.util.IndentingPrintWriter;
-import com.android.server.DeviceIdleController;
 import com.android.server.SystemService;
 
 import java.io.BufferedReader;
@@ -138,6 +135,7 @@ public class UsageStatsService extends SystemService implements
     long mRealTimeSnapshot;
     long mSystemTimeSnapshot;
 
+    boolean mAppIdleEnabled;
     boolean mAppIdleParoled;
     private boolean mScreenOn;
     private long mLastAppIdleParoledTime;
@@ -175,10 +173,15 @@ public class UsageStatsService extends SystemService implements
         getContext().registerReceiverAsUser(new UserActionsReceiver(), UserHandle.ALL, userActions,
                 null, null);
 
-        IntentFilter deviceStates = new IntentFilter(BatteryManager.ACTION_CHARGING);
-        deviceStates.addAction(BatteryManager.ACTION_DISCHARGING);
-        deviceStates.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
-        getContext().registerReceiver(new DeviceStateReceiver(), deviceStates);
+        mAppIdleEnabled = getContext().getResources().getBoolean(
+                com.android.internal.R.bool.config_enableAutoPowerModes);
+        if (mAppIdleEnabled) {
+            IntentFilter deviceStates = new IntentFilter(BatteryManager.ACTION_CHARGING);
+            deviceStates.addAction(BatteryManager.ACTION_DISCHARGING);
+            deviceStates.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
+            getContext().registerReceiver(new DeviceStateReceiver(), deviceStates);
+        }
+
         synchronized (mLock) {
             cleanUpRemovedUsersLocked();
         }
@@ -186,7 +189,6 @@ public class UsageStatsService extends SystemService implements
         mRealTimeSnapshot = SystemClock.elapsedRealtime();
         mSystemTimeSnapshot = System.currentTimeMillis();
 
-
         publishLocalService(UsageStatsManagerInternal.class, new LocalService());
         publishBinderService(Context.USAGE_STATS_SERVICE, new BinderService());
     }
@@ -342,6 +344,10 @@ public class UsageStatsService extends SystemService implements
 
     /** Check all running users' or specified user's apps to see if they enter an idle state. */
     void checkIdleStates(int checkUserId) {
+        if (!mAppIdleEnabled) {
+            return;
+        }
+
         final int[] userIds;
         try {
             if (checkUserId == UserHandle.USER_ALL) {
@@ -772,6 +778,10 @@ public class UsageStatsService extends SystemService implements
     private boolean isAppIdleFiltered(String packageName, int userId,
             UserUsageStatsService userService, long timeNow, long screenOnTime) {
         if (packageName == null) return false;
+        // If not enabled at all, of course nobody is ever idle.
+        if (!mAppIdleEnabled) {
+            return false;
+        }
         synchronized (mLock) {
             // Temporary exemption, probably due to device charging or occasional allowance to
             // be allowed to sync, etc.
@@ -900,6 +910,19 @@ public class UsageStatsService extends SystemService implements
             pw.print("  mAppIdleParoleDurationMillis=");
             TimeUtils.formatDuration(mAppIdleParoleDurationMillis, pw);
             pw.println();
+
+            pw.println();
+            pw.print("mAppIdleEnabled="); pw.print(mAppIdleEnabled);
+            pw.print(" mAppIdleParoled="); pw.print(mAppIdleParoled);
+            pw.print(" mScreenOn="); pw.println(mScreenOn);
+            pw.print("mLastAppIdleParoledTime=");
+            TimeUtils.formatDuration(mLastAppIdleParoledTime, pw);
+            pw.println();
+            pw.print("mScreenOnTime="); TimeUtils.formatDuration(mScreenOnTime, pw);
+            pw.println();
+            pw.print("mScreenOnSystemTimeSnapshot=");
+            TimeUtils.formatDuration(mScreenOnSystemTimeSnapshot, pw);
+            pw.println();
         }
     }
 
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