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/*
* Copyright (C) 2016 The CyanogenMod Project
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.launcher3;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import java.util.HashSet;
import java.util.Set;
public class NetworkConnectionReceiver extends BroadcastReceiver {
public static final String INTENT_ACTION = ConnectivityManager.CONNECTIVITY_ACTION;
private final Set<NetworkStateChangeListener> mListeners;
interface NetworkStateChangeListener {
void onNetworkConnected();
void onNetworkDisconnected();
}
public NetworkConnectionReceiver() {
mListeners = new HashSet<NetworkStateChangeListener>();
}
public void registerListener(final NetworkStateChangeListener listener) {
mListeners.add(listener);
}
public void deregisterListener(final NetworkStateChangeListener listener) {
mListeners.remove(listener);
}
@Override
public void onReceive(Context context, Intent intent) {
if (!intent.getAction().equals(INTENT_ACTION)) return;
boolean connected = Utilities.isNetworkConnected(context);
for (NetworkStateChangeListener listener: mListeners) {
if (connected) {
listener.onNetworkConnected();
} else {
listener.onNetworkDisconnected();
}
}
}
}
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