--- /dev/null
+/*
+ * 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);
+ }
+}
import com.android.internal.util.IndentingPrintWriter;
import com.android.server.accounts.AccountManagerService;
import com.android.server.content.SyncStorageEngine.AuthorityInfo;
+import com.android.server.content.SyncStorageEngine.EndPoint;
import com.android.server.content.SyncStorageEngine.OnSyncRequestListener;
import com.google.android.collect.Lists;
import com.google.android.collect.Maps;
* @hide
*/
public class SyncManager {
- private static final String TAG = "SyncManager";
+ static final String TAG = "SyncManager";
/** Delay a sync due to local changes this long. In milliseconds */
private static final long LOCAL_SYNC_DELAY;
protected SyncAdaptersCache mSyncAdapters;
+ private final AppIdleMonitor mAppIdleMonitor;
+
private BroadcastReceiver mStorageIntentReceiver =
new BroadcastReceiver() {
@Override
mSyncAlarmIntent = PendingIntent.getBroadcast(
mContext, 0 /* ignored */, new Intent(ACTION_SYNC_ALARM), 0);
+ mAppIdleMonitor = new AppIdleMonitor(this, mContext);
+
IntentFilter intentFilter = new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION);
context.registerReceiver(mConnectivityIntentReceiver, intentFilter);
}
/**
+ * Clear backoff on operations in the sync queue that match the packageName and userId.
+ * @param packageName The package that just became active. Can be null to indicate that all
+ * packages are now considered active due to being plugged in.
+ * @param userId The user for which the package has become active. Can be USER_ALL if
+ * the device just plugged in.
+ */
+ void onAppNotIdle(String packageName, int userId) {
+ synchronized (mSyncQueue) {
+ // For all sync operations in sync queue, if marked as idle, compare with package name
+ // and unmark. And clear backoff for the operation.
+ final Iterator<SyncOperation> operationIterator =
+ mSyncQueue.getOperations().iterator();
+ boolean changed = false;
+ while (operationIterator.hasNext()) {
+ final SyncOperation op = operationIterator.next();
+ if (op.appIdle
+ && getPackageName(op.target).equals(packageName)
+ && (userId == UserHandle.USER_ALL || op.target.userId == userId)) {
+ op.appIdle = false;
+ clearBackoffSetting(op);
+ changed = true;
+ }
+ }
+ if (changed) {
+ sendCheckAlarmsMessage();
+ }
+ }
+ }
+
+ /**
* @hide
*/
class ActiveSyncContext extends ISyncContext.Stub
}
continue;
}
+ String packageName = getPackageName(op.target);
+ // If app is considered idle, then skip for now and backoff
+ if (packageName != null
+ && mAppIdleMonitor.isAppIdle(packageName, op.target.userId)) {
+ increaseBackoffSetting(op);
+ op.appIdle = true;
+ if (isLoggable) {
+ Log.v(TAG, "Sync backing off idle app " + packageName);
+ }
+ continue;
+ } else {
+ op.appIdle = false;
+ }
// Add this sync to be run.
operations.add(op);
}
}
}
+ String getPackageName(EndPoint endpoint) {
+ if (endpoint.target_service) {
+ return endpoint.service.getPackageName();
+ } else {
+ SyncAdapterType syncAdapterType =
+ SyncAdapterType.newKey(endpoint.provider, endpoint.account.type);
+ final RegisteredServicesCache.ServiceInfo<SyncAdapterType> syncAdapterInfo;
+ syncAdapterInfo = mSyncAdapters.getServiceInfo(syncAdapterType, endpoint.userId);
+ if (syncAdapterInfo == null) {
+ return null;
+ }
+ return syncAdapterInfo.componentName.getPackageName();
+ }
+ }
+
private boolean isSyncStillActive(ActiveSyncContext activeSyncContext) {
for (ActiveSyncContext sync : mActiveSyncContexts) {
if (sync == activeSyncContext) {
/** Descriptive string key for this operation */
public String wakeLockName;
+ /** Whether this sync op was recently skipped due to the app being idle */
+ public boolean appIdle;
+
public SyncOperation(Account account, int userId, int reason, int source, String provider,
Bundle extras, long runTimeFromNow, long flexTime, long backoff,
long delayUntil, boolean allowParallelSyncs) {
import com.android.internal.os.BackgroundThread;
import com.android.internal.util.IndentingPrintWriter;
+import com.android.server.SystemConfig;
import com.android.server.SystemService;
import java.io.File;
}
boolean isAppIdle(String packageName, int userId) {
+ if (SystemConfig.getInstance().getAllowInPowerSave().contains(packageName)) {
+ return false;
+ }
final long lastUsed = getLastPackageAccessTime(packageName, userId);
return hasPassedIdleDuration(lastUsed);
}
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