mobile/android/base/GeckoConnectivityReceiver.java@b8a032363ba2 (annotated)
mobile/android/base/GeckoConnectivityReceiver.java
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | package org.mozilla.gecko; |
| michael@0 | 7 | |
| michael@0 | 8 | import android.content.BroadcastReceiver; |
| michael@0 | 9 | import android.content.Context; |
| michael@0 | 10 | import android.content.Intent; |
| michael@0 | 11 | import android.content.IntentFilter; |
| michael@0 | 12 | import android.net.ConnectivityManager; |
| michael@0 | 13 | import android.net.NetworkInfo; |
| michael@0 | 14 | import android.util.Log; |
| michael@0 | 15 | |
| michael@0 | 16 | public class GeckoConnectivityReceiver extends BroadcastReceiver { |
| michael@0 | 17 | /* |
| michael@0 | 18 | * Keep the below constants in sync with |
| michael@0 | 19 | * http://mxr.mozilla.org/mozilla-central/source/netwerk/base/public/nsINetworkLinkService.idl |
| michael@0 | 20 | */ |
| michael@0 | 21 | private static final String LINK_DATA_UP = "up"; |
| michael@0 | 22 | private static final String LINK_DATA_DOWN = "down"; |
| michael@0 | 23 | private static final String LINK_DATA_UNKNOWN = "unknown"; |
| michael@0 | 24 | |
| michael@0 | 25 | private static final String LOGTAG = "GeckoConnectivityReceiver"; |
| michael@0 | 26 | |
| michael@0 | 27 | private static GeckoConnectivityReceiver sInstance = new GeckoConnectivityReceiver(); |
| michael@0 | 28 | |
| michael@0 | 29 | private final IntentFilter mFilter; |
| michael@0 | 30 | private Context mApplicationContext; |
| michael@0 | 31 | private boolean mIsEnabled; |
| michael@0 | 32 | |
| michael@0 | 33 | public static GeckoConnectivityReceiver getInstance() { |
| michael@0 | 34 | return sInstance; |
| michael@0 | 35 | } |
| michael@0 | 36 | |
| michael@0 | 37 | private GeckoConnectivityReceiver() { |
| michael@0 | 38 | mFilter = new IntentFilter(); |
| michael@0 | 39 | mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | public synchronized void start(Context context) { |
| michael@0 | 43 | if (mIsEnabled) { |
| michael@0 | 44 | Log.w(LOGTAG, "Already started!"); |
| michael@0 | 45 | return; |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | mApplicationContext = context.getApplicationContext(); |
| michael@0 | 49 | |
| michael@0 | 50 | // registerReceiver will return null if registering fails. |
| michael@0 | 51 | if (mApplicationContext.registerReceiver(this, mFilter) == null) { |
| michael@0 | 52 | Log.e(LOGTAG, "Registering receiver failed"); |
| michael@0 | 53 | } else { |
| michael@0 | 54 | mIsEnabled = true; |
| michael@0 | 55 | } |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | public synchronized void stop() { |
| michael@0 | 59 | if (!mIsEnabled) { |
| michael@0 | 60 | Log.w(LOGTAG, "Already stopped!"); |
| michael@0 | 61 | return; |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | mApplicationContext.unregisterReceiver(this); |
| michael@0 | 65 | mApplicationContext = null; |
| michael@0 | 66 | mIsEnabled = false; |
| michael@0 | 67 | } |
| michael@0 | 68 | |
| michael@0 | 69 | @Override |
| michael@0 | 70 | public void onReceive(Context context, Intent intent) { |
| michael@0 | 71 | ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); |
| michael@0 | 72 | NetworkInfo info = cm.getActiveNetworkInfo(); |
| michael@0 | 73 | |
| michael@0 | 74 | final String status; |
| michael@0 | 75 | if (info == null) { |
| michael@0 | 76 | status = LINK_DATA_UNKNOWN; |
| michael@0 | 77 | } else if (!info.isConnected()) { |
| michael@0 | 78 | status = LINK_DATA_DOWN; |
| michael@0 | 79 | } else { |
| michael@0 | 80 | status = LINK_DATA_UP; |
| michael@0 | 81 | } |
| michael@0 | 82 | |
| michael@0 | 83 | if (GeckoThread.checkLaunchState(GeckoThread.LaunchState.GeckoRunning)) { |
| michael@0 | 84 | GeckoAppShell.sendEventToGecko(GeckoEvent.createNetworkLinkChangeEvent(status)); |
| michael@0 | 85 | } |
| michael@0 | 86 | } |
| michael@0 | 87 | } |
