The Tor Browser / file comparison
comparison: mobile/android/base/background/BackgroundService.java
mobile/android/base/background/BackgroundService.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
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replaced
| -1:000000000000 | 0:f7c5559a0b25 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 package org.mozilla.gecko.background; | |
| 6 | |
| 7 import java.lang.reflect.InvocationTargetException; | |
| 8 import java.lang.reflect.Method; | |
| 9 | |
| 10 import org.mozilla.gecko.background.common.log.Logger; | |
| 11 | |
| 12 import android.app.AlarmManager; | |
| 13 import android.app.IntentService; | |
| 14 import android.app.PendingIntent; | |
| 15 import android.content.Context; | |
| 16 import android.content.Intent; | |
| 17 import android.net.ConnectivityManager; | |
| 18 import android.net.NetworkInfo; | |
| 19 import android.os.Build; | |
| 20 | |
| 21 public abstract class BackgroundService extends IntentService { | |
| 22 private static final String LOG_TAG = BackgroundService.class.getSimpleName(); | |
| 23 | |
| 24 protected BackgroundService() { | |
| 25 super(LOG_TAG); | |
| 26 } | |
| 27 | |
| 28 protected BackgroundService(String threadName) { | |
| 29 super(threadName); | |
| 30 } | |
| 31 | |
| 32 public static void runIntentInService(Context context, Intent intent, Class<? extends BackgroundService> serviceClass) { | |
| 33 Intent service = new Intent(context, serviceClass); | |
| 34 service.setAction(intent.getAction()); | |
| 35 service.putExtras(intent); | |
| 36 context.startService(service); | |
| 37 } | |
| 38 | |
| 39 /** | |
| 40 * Returns true if the OS will allow us to perform background | |
| 41 * data operations. This logic varies by OS version. | |
| 42 */ | |
| 43 @SuppressWarnings("deprecation") | |
| 44 protected boolean backgroundDataIsEnabled() { | |
| 45 ConnectivityManager connectivity = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); | |
| 46 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) { | |
| 47 return connectivity.getBackgroundDataSetting(); | |
| 48 } | |
| 49 NetworkInfo networkInfo = connectivity.getActiveNetworkInfo(); | |
| 50 if (networkInfo == null) { | |
| 51 return false; | |
| 52 } | |
| 53 return networkInfo.isAvailable(); | |
| 54 } | |
| 55 | |
| 56 protected AlarmManager getAlarmManager() { | |
| 57 return getAlarmManager(this.getApplicationContext()); | |
| 58 } | |
| 59 | |
| 60 protected static AlarmManager getAlarmManager(Context context) { | |
| 61 return (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); | |
| 62 } | |
| 63 | |
| 64 protected void scheduleAlarm(long pollInterval, PendingIntent pendingIntent) { | |
| 65 Logger.info(LOG_TAG, "Setting inexact repeating alarm for interval " + pollInterval); | |
| 66 if (pollInterval <= 0) { | |
| 67 throw new IllegalArgumentException("pollInterval " + pollInterval + " must be positive"); | |
| 68 } | |
| 69 final AlarmManager alarm = getAlarmManager(); | |
| 70 final long firstEvent = System.currentTimeMillis(); | |
| 71 alarm.setInexactRepeating(AlarmManager.RTC, firstEvent, pollInterval, pendingIntent); | |
| 72 } | |
| 73 | |
| 74 protected void cancelAlarm(PendingIntent pendingIntent) { | |
| 75 final AlarmManager alarm = getAlarmManager(); | |
| 76 alarm.cancel(pendingIntent); | |
| 77 // For testing - allows us to see if the intent, and thus the alarm, has been cancelled. | |
| 78 pendingIntent.cancel(); | |
| 79 } | |
| 80 | |
| 81 /** | |
| 82 * To avoid tight coupling to Fennec, we use reflection to find | |
| 83 * <code>GeckoPreferences</code>, invoking the same code path that | |
| 84 * <code>GeckoApp</code> uses on startup to send the <i>other</i> | |
| 85 * notification to which we listen. | |
| 86 * | |
| 87 * Invoke this to handle one of the system intents to which we listen to | |
| 88 * launch our service without the browser being opened. | |
| 89 * | |
| 90 * All of this is neatly wrapped in <code>try…catch</code>, so this code | |
| 91 * will run safely without a Firefox build installed. | |
| 92 */ | |
| 93 protected static void reflectContextToFennec(Context context, String className, String methodName) { | |
| 94 // Ask the browser to tell us the current state of the preference. | |
| 95 try { | |
| 96 Class<?> geckoPreferences = Class.forName(className); | |
| 97 Method broadcastSnippetsPref = geckoPreferences.getMethod(methodName, Context.class); | |
| 98 broadcastSnippetsPref.invoke(null, context); | |
| 99 return; | |
| 100 } catch (ClassNotFoundException e) { | |
| 101 Logger.error(LOG_TAG, "Class " + className + " not found!"); | |
| 102 return; | |
| 103 } catch (NoSuchMethodException e) { | |
| 104 Logger.error(LOG_TAG, "Method " + className + "/" + methodName + " not found!"); | |
| 105 return; | |
| 106 } catch (IllegalArgumentException e) { | |
| 107 Logger.error(LOG_TAG, "Got exception invoking " + methodName + "."); | |
| 108 } catch (IllegalAccessException e) { | |
| 109 Logger.error(LOG_TAG, "Got exception invoking " + methodName + "."); | |
| 110 } catch (InvocationTargetException e) { | |
| 111 Logger.error(LOG_TAG, "Got exception invoking " + methodName + "."); | |
| 112 } | |
| 113 } | |
| 114 } |
