mirror of https://github.com/YTVanced/VancedMicroG
119 lines
3.9 KiB
Java
119 lines
3.9 KiB
Java
/*
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* SPDX-FileCopyrightText: 2021, microG Project Team
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* SPDX-License-Identifier: Apache-2.0
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*/
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package com.google.android.chimera;
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import android.content.Intent;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.os.IBinder;
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import android.os.Looper;
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import android.os.Message;
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public abstract class IntentService extends Service {
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private Looper serviceLooper;
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private ServiceHandler serviceHandler;
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private String name;
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private boolean redelivery;
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private final class ServiceHandler extends Handler {
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public ServiceHandler(Looper looper) {
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super(looper);
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}
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@Override
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public void handleMessage(Message msg) {
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onHandleIntent((Intent)msg.obj);
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stopSelf(msg.arg1);
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}
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}
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public IntentService(String name) {
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this.name = name;
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}
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/**
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* Sets intent redelivery preferences. Usually called from the constructor
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* with your preferred semantics.
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*
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* <p>If enabled is true,
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* {@link #onStartCommand(Intent, int, int)} will return
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* {@link Service#START_REDELIVER_INTENT}, so if this process dies before
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* {@link #onHandleIntent(Intent)} returns, the process will be restarted
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* and the intent redelivered. If multiple Intents have been sent, only
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* the most recent one is guaranteed to be redelivered.
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*
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* <p>If enabled is false (the default),
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* {@link #onStartCommand(Intent, int, int)} will return
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* {@link Service#START_NOT_STICKY}, and if the process dies, the Intent
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* dies along with it.
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*/
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public void setIntentRedelivery(boolean redelivery) {
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this.redelivery = redelivery;
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}
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@Override
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public void onCreate() {
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super.onCreate();
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HandlerThread thread = new HandlerThread("IntentService[" + name + "]");
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thread.start();
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serviceLooper = thread.getLooper();
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serviceHandler = new ServiceHandler(serviceLooper);
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}
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@Override
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public void onStart(Intent intent, int startId) {
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Message msg = this.serviceHandler.obtainMessage();
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msg.arg1 = startId;
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msg.obj = intent;
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this.serviceHandler.sendMessage(msg);
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}
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/**
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* You should not override this method for your IntentService. Instead,
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* override {@link #onHandleIntent}, which the system calls when the IntentService
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* receives a start request.
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* @see Service#onStartCommand
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*/
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@Override
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public int onStartCommand(Intent intent, int flags, int startId) {
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onStart(intent, startId);
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return redelivery ? START_REDELIVER_INTENT : START_NOT_STICKY;
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}
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@Override
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public void onDestroy() {
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serviceLooper.quit();
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}
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/**
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* Unless you provide binding for your service, you don't need to implement this
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* method, because the default implementation returns null.
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* @see Service#onBind
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*/
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@Override
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public IBinder onBind(Intent intent) {
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return null;
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}
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/**
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* This method is invoked on the worker thread with a request to process.
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* Only one Intent is processed at a time, but the processing happens on a
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* worker thread that runs independently from other application logic.
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* So, if this code takes a long time, it will hold up other requests to
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* the same IntentService, but it will not hold up anything else.
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* When all requests have been handled, the IntentService stops itself,
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* so you should not call {@link #stopSelf}.
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*
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* @param intent The value passed to {@link
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* android.content.Context#startService(Intent)}.
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* This may be null if the service is being restarted after
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* its process has gone away; see
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* {@link Service#onStartCommand}
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* for details.
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*/
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public abstract void onHandleIntent(Intent intent);
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}
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