237 lines
8.4 KiB
Java
237 lines
8.4 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.app.AlarmManager;
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import android.app.Service;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.os.IBinder;
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import android.os.Handler;
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import android.os.Looper;
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import android.util.Log;
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import java.io.File;
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import org.mozilla.gecko.util.NativeEventListener;
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import org.mozilla.gecko.util.NativeJSObject;
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import org.mozilla.gecko.util.EventCallback;
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public class GeckoService extends Service {
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private static final String LOGTAG = "GeckoService";
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private static final boolean DEBUG = false;
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private static final String INTENT_PROFILE_NAME = "org.mozilla.gecko.intent.PROFILE_NAME";
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private static final String INTENT_PROFILE_DIR = "org.mozilla.gecko.intent.PROFILE_DIR";
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private static final String INTENT_ACTION_UPDATE_ADDONS = "update-addons";
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private static final String INTENT_ACTION_CREATE_SERVICES = "create-services";
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private static final String INTENT_SERVICE_CATEGORY = "category";
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private static final String INTENT_SERVICE_DATA = "data";
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private static class EventListener implements NativeEventListener {
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@Override // NativeEventListener
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public void handleMessage(final String event,
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final NativeJSObject message,
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final EventCallback callback) {
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final Context context = GeckoAppShell.getApplicationContext();
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switch (event) {
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case "Gecko:ScheduleRun":
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if (DEBUG) {
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Log.d(LOGTAG, "Scheduling " + message.getString("action") +
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" @ " + message.getInt("interval") + "ms");
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}
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final Intent intent = getIntentForAction(context, message.getString("action"));
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final PendingIntent pendingIntent = PendingIntent.getService(
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context, /* requestCode */ 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
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final AlarmManager am = (AlarmManager)
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context.getSystemService(Context.ALARM_SERVICE);
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// Cancel any previous alarm and schedule a new one.
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am.setInexactRepeating(AlarmManager.ELAPSED_REALTIME,
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message.getInt("trigger"),
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message.getInt("interval"),
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pendingIntent);
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break;
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default:
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throw new UnsupportedOperationException(event);
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}
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}
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}
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private static final EventListener EVENT_LISTENER = new EventListener();
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public static void register() {
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if (DEBUG) {
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Log.d(LOGTAG, "Registered listener");
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}
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EventDispatcher.getInstance().registerGeckoThreadListener(EVENT_LISTENER,
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"Gecko:ScheduleRun");
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}
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public static void unregister() {
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if (DEBUG) {
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Log.d(LOGTAG, "Unregistered listener");
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}
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EventDispatcher.getInstance().unregisterGeckoThreadListener(EVENT_LISTENER,
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"Gecko:ScheduleRun");
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}
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@Override // Service
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public void onCreate() {
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GeckoAppShell.ensureCrashHandling();
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GeckoThread.onResume();
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super.onCreate();
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if (DEBUG) {
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Log.d(LOGTAG, "Created");
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}
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}
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@Override // Service
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public void onDestroy() {
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GeckoThread.onPause();
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// We want to block here if we can, so we don't get killed when Gecko is in the
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// middle of handling onPause().
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if (GeckoThread.isStateAtLeast(GeckoThread.State.PROFILE_READY)) {
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GeckoThread.waitOnGecko();
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}
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if (DEBUG) {
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Log.d(LOGTAG, "Destroyed");
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}
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super.onDestroy();
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}
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private static Intent getIntentForAction(final Context context, final String action) {
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final Intent intent = new Intent(action, /* uri */ null, context, GeckoService.class);
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final GeckoProfile profile = GeckoThread.getActiveProfile();
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if (profile != null) {
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setIntentProfile(intent, profile.getName(), profile.getDir().getAbsolutePath());
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}
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return intent;
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}
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public static Intent getIntentToCreateServices(final Context context, final String category, final String data) {
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final Intent intent = getIntentForAction(context, INTENT_ACTION_CREATE_SERVICES);
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intent.putExtra(INTENT_SERVICE_CATEGORY, category);
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intent.putExtra(INTENT_SERVICE_DATA, data);
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return intent;
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}
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public static Intent getIntentToCreateServices(final Context context, final String category) {
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return getIntentToCreateServices(context, category, /* data */ null);
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}
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public static void setIntentProfile(final Intent intent, final String profileName,
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final String profileDir) {
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intent.putExtra(INTENT_PROFILE_NAME, profileName);
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intent.putExtra(INTENT_PROFILE_DIR, profileDir);
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}
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private int handleIntent(final Intent intent, final int startId) {
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if (DEBUG) {
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Log.d(LOGTAG, "Handling " + intent.getAction());
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}
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final String profileName = intent.getStringExtra(INTENT_PROFILE_NAME);
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final String profileDir = intent.getStringExtra(INTENT_PROFILE_DIR);
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if (profileName == null) {
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throw new IllegalArgumentException("Intent must specify profile.");
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}
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if (!GeckoThread.initWithProfile(profileName != null ? profileName : "",
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profileDir != null ? new File(profileDir) : null)) {
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Log.w(LOGTAG, "Ignoring due to profile mismatch: " +
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profileName + " [" + profileDir + ']');
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final GeckoProfile profile = GeckoThread.getActiveProfile();
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if (profile != null) {
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Log.w(LOGTAG, "Current profile is " + profile.getName() +
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" [" + profile.getDir().getAbsolutePath() + ']');
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}
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stopSelf(startId);
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return Service.START_NOT_STICKY;
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}
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GeckoThread.launch();
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switch (intent.getAction()) {
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case INTENT_ACTION_UPDATE_ADDONS:
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// Run the add-on update service. Because the service is automatically invoked
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// when loading Gecko, we don't have to do anything else here.
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break;
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case INTENT_ACTION_CREATE_SERVICES:
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final String category = intent.getStringExtra(INTENT_SERVICE_CATEGORY);
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final String data = intent.getStringExtra(INTENT_SERVICE_DATA);
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if (category == null) {
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break;
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}
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GeckoThread.createServices(category, data);
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break;
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default:
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Log.w(LOGTAG, "Unknown request: " + intent);
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}
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stopSelf(startId);
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return Service.START_NOT_STICKY;
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}
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@Override // Service
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public int onStartCommand(final Intent intent, final int flags, final int startId) {
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if (intent == null) {
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return Service.START_NOT_STICKY;
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}
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try {
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return handleIntent(intent, startId);
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} catch (final Throwable e) {
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Log.e(LOGTAG, "Cannot handle intent: " + intent, e);
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return Service.START_NOT_STICKY;
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}
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}
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@Override // Service
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public IBinder onBind(final Intent intent) {
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return null;
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}
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public static void startGecko(final GeckoProfile profile, final String args, final Context context) {
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if (GeckoThread.isLaunched()) {
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if (DEBUG) {
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Log.v(LOGTAG, "already launched");
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}
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return;
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}
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Handler handler = new Handler(Looper.getMainLooper());
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handler.post(new Runnable() {
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@Override
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public void run() {
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GeckoAppShell.ensureCrashHandling();
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GeckoAppShell.setApplicationContext(context);
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GeckoThread.onResume();
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GeckoThread.init(profile, args, null, false);
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GeckoThread.launch();
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if (DEBUG) {
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Log.v(LOGTAG, "warmed up (launched)");
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}
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}
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});
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}
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}
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