The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/base/GeckoConnectivityReceiver.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,87 @@
     1.4 +/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
     1.5 + * This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +package org.mozilla.gecko;
    1.10 +
    1.11 +import android.content.BroadcastReceiver;
    1.12 +import android.content.Context;
    1.13 +import android.content.Intent;
    1.14 +import android.content.IntentFilter;
    1.15 +import android.net.ConnectivityManager;
    1.16 +import android.net.NetworkInfo;
    1.17 +import android.util.Log;
    1.18 +
    1.19 +public class GeckoConnectivityReceiver extends BroadcastReceiver {
    1.20 +    /*
    1.21 +     * Keep the below constants in sync with
    1.22 +     * http://mxr.mozilla.org/mozilla-central/source/netwerk/base/public/nsINetworkLinkService.idl
    1.23 +     */
    1.24 +    private static final String LINK_DATA_UP = "up";
    1.25 +    private static final String LINK_DATA_DOWN = "down";
    1.26 +    private static final String LINK_DATA_UNKNOWN = "unknown";
    1.27 +
    1.28 +    private static final String LOGTAG = "GeckoConnectivityReceiver";
    1.29 +
    1.30 +    private static GeckoConnectivityReceiver sInstance = new GeckoConnectivityReceiver();
    1.31 +
    1.32 +    private final IntentFilter mFilter;
    1.33 +    private Context mApplicationContext;
    1.34 +    private boolean mIsEnabled;
    1.35 +
    1.36 +    public static GeckoConnectivityReceiver getInstance() {
    1.37 +        return sInstance;
    1.38 +    }
    1.39 +
    1.40 +    private GeckoConnectivityReceiver() {
    1.41 +        mFilter = new IntentFilter();
    1.42 +        mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
    1.43 +    }
    1.44 +
    1.45 +    public synchronized void start(Context context) {
    1.46 +        if (mIsEnabled) {
    1.47 +            Log.w(LOGTAG, "Already started!");
    1.48 +            return;
    1.49 +        }
    1.50 +
    1.51 +        mApplicationContext = context.getApplicationContext();
    1.52 +
    1.53 +        // registerReceiver will return null if registering fails.
    1.54 +        if (mApplicationContext.registerReceiver(this, mFilter) == null) {
    1.55 +            Log.e(LOGTAG, "Registering receiver failed");
    1.56 +        } else {
    1.57 +            mIsEnabled = true;
    1.58 +        }
    1.59 +    }
    1.60 +
    1.61 +    public synchronized void stop() {
    1.62 +        if (!mIsEnabled) {
    1.63 +            Log.w(LOGTAG, "Already stopped!");
    1.64 +            return;
    1.65 +        }
    1.66 +
    1.67 +        mApplicationContext.unregisterReceiver(this);
    1.68 +        mApplicationContext = null;
    1.69 +        mIsEnabled = false;
    1.70 +    }
    1.71 +
    1.72 +    @Override
    1.73 +    public void onReceive(Context context, Intent intent) {
    1.74 +        ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
    1.75 +        NetworkInfo info = cm.getActiveNetworkInfo();
    1.76 +
    1.77 +        final String status;
    1.78 +        if (info == null) {
    1.79 +            status = LINK_DATA_UNKNOWN;
    1.80 +        } else if (!info.isConnected()) {
    1.81 +            status = LINK_DATA_DOWN;
    1.82 +        } else {
    1.83 +            status = LINK_DATA_UP;
    1.84 +        }
    1.85 +
    1.86 +        if (GeckoThread.checkLaunchState(GeckoThread.LaunchState.GeckoRunning)) {
    1.87 +            GeckoAppShell.sendEventToGecko(GeckoEvent.createNetworkLinkChangeEvent(status));
    1.88 +        }
    1.89 +    }
    1.90 +}