/*
* Copyright (C) 2012 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.google.android.vending.expansion.downloader.impl;
import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.Looper;
import android.os.Message;
import android.util.Log;
/**
* This service differs from IntentService in a few minor ways/ It will not
* auto-stop itself after the intent is handled unless the target returns "true"
* in should stop. Since the goal of this service is to handle a single kind of
* intent, it does not queue up batches of intents of the same type.
*/
public abstract class CustomIntentService extends Service {
private String mName;
private boolean mRedelivery;
private volatile ServiceHandler mServiceHandler;
private volatile Looper mServiceLooper;
private static final String LOG_TAG = "CustomIntentService";
private static final int WHAT_MESSAGE = -10;
public CustomIntentService(String paramString) {
this.mName = paramString;
}
@Override
public IBinder onBind(Intent paramIntent) {
return null;
}
@Override
public void onCreate() {
super.onCreate();
HandlerThread localHandlerThread = new HandlerThread("IntentService["
+ this.mName + "]");
localHandlerThread.start();
this.mServiceLooper = localHandlerThread.getLooper();
this.mServiceHandler = new ServiceHandler(this.mServiceLooper);
}
@Override
public void onDestroy() {
Thread localThread = this.mServiceLooper.getThread();
if ((localThread != null) && (localThread.isAlive())) {
localThread.interrupt();
}
this.mServiceLooper.quit();
Log.d(LOG_TAG, "onDestroy");
}
protected abstract void onHandleIntent(Intent paramIntent);
protected abstract boolean shouldStop();
@Override
public void onStart(Intent paramIntent, int startId) {
if (!this.mServiceHandler.hasMessages(WHAT_MESSAGE)) {
Message localMessage = this.mServiceHandler.obtainMessage();
localMessage.arg1 = startId;
localMessage.obj = paramIntent;
localMessage.what = WHAT_MESSAGE;
this.mServiceHandler.sendMessage(localMessage);
}
}
@Override
public int onStartCommand(Intent paramIntent, int flags, int startId) {
onStart(paramIntent, startId);
return mRedelivery ? START_REDELIVER_INTENT : START_NOT_STICKY;
}
public void setIntentRedelivery(boolean enabled) {
this.mRedelivery = enabled;
}
private final class ServiceHandler extends Handler {
public ServiceHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message paramMessage) {
CustomIntentService.this
.onHandleIntent((Intent) paramMessage.obj);
if (shouldStop()) {
Log.d(LOG_TAG, "stopSelf");
CustomIntentService.this.stopSelf(paramMessage.arg1);
Log.d(LOG_TAG, "afterStopSelf");
}
}
}
}