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author | Amith Yamasani <yamasani@google.com> | 2015-04-10 16:16:30 -0700 |
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committer | Amith Yamasani <yamasani@google.com> | 2015-04-13 15:36:32 -0700 |
commit | 96a0fd65e18e5b9a0eaed3c24fd8a60a1fac1c3a (patch) | |
tree | 497996afd2d57bc9b65602bd4bcd595c60c4917e /services/core/java/com/android/server/content/AppIdleMonitor.java | |
parent | fb1e9b79782580acabf0dd4dda6a74349fafc978 (diff) | |
download | frameworks_base-96a0fd65e18e5b9a0eaed3c24fd8a60a1fac1c3a.zip frameworks_base-96a0fd65e18e5b9a0eaed3c24fd8a60a1fac1c3a.tar.gz frameworks_base-96a0fd65e18e5b9a0eaed3c24fd8a60a1fac1c3a.tar.bz2 |
Delay syncs for idle apps
Apps that haven't been in use for a while and are considered idle
are not synced until the device is charging or the app is used.
Bug: 20066058
Change-Id: I3471e3a11edae04777163b0dbd74e86495743caa
Diffstat (limited to 'services/core/java/com/android/server/content/AppIdleMonitor.java')
-rw-r--r-- | services/core/java/com/android/server/content/AppIdleMonitor.java | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/services/core/java/com/android/server/content/AppIdleMonitor.java b/services/core/java/com/android/server/content/AppIdleMonitor.java new file mode 100644 index 0000000..9598de8 --- /dev/null +++ b/services/core/java/com/android/server/content/AppIdleMonitor.java @@ -0,0 +1,89 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package com.android.server.content; + +import android.app.usage.UsageStatsManagerInternal; +import android.app.usage.UsageStatsManagerInternal.AppIdleStateChangeListener; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.os.BatteryManager; +import android.os.UserHandle; + +import com.android.server.LocalServices; + +/** + * Helper to listen for app idle and charging status changes and restart backed off + * sync operations. + */ +class AppIdleMonitor implements AppIdleStateChangeListener { + + private final SyncManager mSyncManager; + private final UsageStatsManagerInternal mUsageStats; + final BatteryManager mBatteryManager; + /** Is the device currently plugged into power. */ + private boolean mPluggedIn; + + private final BroadcastReceiver mReceiver = new BroadcastReceiver() { + @Override + public void onReceive(Context context, Intent intent) { + onPluggedIn(mBatteryManager.isCharging()); + } + }; + + AppIdleMonitor(SyncManager syncManager, Context context) { + mSyncManager = syncManager; + mUsageStats = LocalServices.getService(UsageStatsManagerInternal.class); + mUsageStats.addAppIdleStateChangeListener(this); + mBatteryManager = context.getSystemService(BatteryManager.class); + mPluggedIn = isPowered(); + registerReceivers(context); + } + + private void registerReceivers(Context context) { + // Monitor battery charging state + IntentFilter filter = new IntentFilter(BatteryManager.ACTION_CHARGING); + filter.addAction(BatteryManager.ACTION_DISCHARGING); + context.registerReceiver(mReceiver, filter); + } + + private boolean isPowered() { + return mBatteryManager.isCharging(); + } + + void onPluggedIn(boolean pluggedIn) { + if (mPluggedIn == pluggedIn) { + return; + } + mPluggedIn = pluggedIn; + if (mPluggedIn) { + mSyncManager.onAppNotIdle(null, UserHandle.USER_ALL); + } + } + + boolean isAppIdle(String packageName, int userId) { + return !mPluggedIn && mUsageStats.isAppIdle(packageName, userId); + } + + @Override + public void onAppIdleStateChanged(String packageName, int userId, boolean idle) { + // Don't care if the app is becoming idle + if (idle) return; + mSyncManager.onAppNotIdle(packageName, userId); + } +} |