gecko/mobile/android/base/GeckoConnectivityReceiver.java

97 lines
3.6 KiB
Java

/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Android code.
*
* The Initial Developer of the Original Code is Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Makoto Kato <m_kato@ga2.so-net.ne.jp> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.gecko;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
public class GeckoConnectivityReceiver extends BroadcastReceiver {
/*
* Keep the below constants in sync with
* http://mxr.mozilla.org/mozilla-central/source/netwerk/base/public/nsINetworkLinkService.idl
*/
private static final String LINK_DATA_UP = "up";
private static final String LINK_DATA_DOWN = "down";
private static final String LINK_DATA_UNKNOWN = "unknown";
private IntentFilter mFilter;
private static boolean isRegistered = false;
public GeckoConnectivityReceiver() {
mFilter = new IntentFilter();
mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
}
@Override
public void onReceive(Context context, Intent intent) {
String status;
ConnectivityManager cm = (ConnectivityManager)
context.getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo info = cm.getActiveNetworkInfo();
if (info == null)
status = LINK_DATA_UNKNOWN;
else if (!info.isConnected())
status = LINK_DATA_DOWN;
else
status = LINK_DATA_UP;
if (GeckoApp.checkLaunchState(GeckoApp.LaunchState.GeckoRunning))
GeckoAppShell.onChangeNetworkLinkStatus(status);
}
public void registerFor(Activity activity) {
if (!isRegistered) {
activity.registerReceiver(this, mFilter);
isRegistered = true;
}
}
public void unregisterFor(Activity activity) {
if (isRegistered) {
activity.unregisterReceiver(this);
isRegistered = false;
}
}
}