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/*
* Copyright (C) 2014 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.pm;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.util.Log;
import java.util.HashSet;
import java.util.concurrent.atomic.AtomicBoolean;
/**
* {@hide}
*/
public class BackgroundDexOptService {
static final String TAG = "BackgroundDexOptService";
private final BroadcastReceiver mIdleMaintenanceReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (Intent.ACTION_IDLE_MAINTENANCE_START.equals(action)) {
onIdleStart();
} else if (Intent.ACTION_IDLE_MAINTENANCE_END.equals(action)) {
onIdleStop();
}
}
};
final PackageManagerService mPackageManager;
final AtomicBoolean mIdleTime = new AtomicBoolean(false);
public BackgroundDexOptService(Context context) {
mPackageManager = (PackageManagerService)ServiceManager.getService("package");
IntentFilter idleMaintenanceFilter = new IntentFilter();
idleMaintenanceFilter.addAction(Intent.ACTION_IDLE_MAINTENANCE_START);
idleMaintenanceFilter.addAction(Intent.ACTION_IDLE_MAINTENANCE_END);
context.registerReceiverAsUser(mIdleMaintenanceReceiver, UserHandle.ALL,
idleMaintenanceFilter, null, null);
}
public boolean onIdleStart() {
Log.i(TAG, "onIdleStart");
if (mPackageManager.isStorageLow()) {
return false;
}
final HashSet<String> pkgs = mPackageManager.getPackagesThatNeedDexOpt();
if (pkgs == null) {
return false;
}
mIdleTime.set(true);
new Thread("BackgroundDexOptService_DexOpter") {
@Override
public void run() {
for (String pkg : pkgs) {
if (!mIdleTime.get()) {
break;
}
mPackageManager.performDexOpt(pkg, false);
}
}
}.start();
return true;
}
public void onIdleStop() {
Log.i(TAG, "onIdleStop");
mIdleTime.set(false);
}
}
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