cea34e4151
GeckoThread.LaunchState now covers the entire GeckoThread lifetime and not just launch, so it's renamed to GeckoThread.State. More utility methods are added to check for the current state.
90 lines
3.0 KiB
Java
90 lines
3.0 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.util.Log;
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public class GeckoConnectivityReceiver extends BroadcastReceiver {
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/*
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* Keep the below constants in sync with
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* http://mxr.mozilla.org/mozilla-central/source/netwerk/base/nsINetworkLinkService.idl
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*/
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private static final String LINK_DATA_UP = "up";
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private static final String LINK_DATA_DOWN = "down";
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private static final String LINK_DATA_CHANGED = "changed";
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private static final String LINK_DATA_UNKNOWN = "unknown";
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private static final String LOGTAG = "GeckoConnectivityReceiver";
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private static final GeckoConnectivityReceiver sInstance = new GeckoConnectivityReceiver();
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private final IntentFilter mFilter;
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private Context mApplicationContext;
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private boolean mIsEnabled;
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public static GeckoConnectivityReceiver getInstance() {
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return sInstance;
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}
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private GeckoConnectivityReceiver() {
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mFilter = new IntentFilter();
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mFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
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}
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public synchronized void start(Context context) {
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if (mIsEnabled) {
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Log.w(LOGTAG, "Already started!");
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return;
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}
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mApplicationContext = context.getApplicationContext();
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// registerReceiver will return null if registering fails.
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if (mApplicationContext.registerReceiver(this, mFilter) == null) {
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Log.e(LOGTAG, "Registering receiver failed");
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} else {
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mIsEnabled = true;
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}
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}
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public synchronized void stop() {
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if (!mIsEnabled) {
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Log.w(LOGTAG, "Already stopped!");
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return;
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}
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mApplicationContext.unregisterReceiver(this);
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mApplicationContext = null;
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mIsEnabled = false;
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}
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@Override
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public void onReceive(Context context, Intent intent) {
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ConnectivityManager cm = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
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NetworkInfo info = cm.getActiveNetworkInfo();
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final String status;
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if (info == null) {
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status = LINK_DATA_UNKNOWN;
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} else if (!info.isConnected()) {
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status = LINK_DATA_DOWN;
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} else {
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status = LINK_DATA_UP;
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}
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if (GeckoThread.isRunning()) {
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GeckoAppShell.sendEventToGecko(GeckoEvent.createNetworkLinkChangeEvent(status));
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GeckoAppShell.sendEventToGecko(GeckoEvent.createNetworkLinkChangeEvent(LINK_DATA_CHANGED));
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}
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}
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}
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