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