| /* |
| * Copyright (C) 2017 The Android Open Source 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.bips.util; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| |
| /** |
| * A stoppable receiver for broadcast messages |
| */ |
| public class BroadcastMonitor extends BroadcastReceiver { |
| BroadcastReceiver mReceiver; |
| Context mContext; |
| |
| /** |
| * Deliver specified broadcast intents to the receiver until stopped. |
| * |
| * @param receiver Listener to receive all broadcast messages of interest |
| * @param actions Broadcast intent action names to listen for |
| */ |
| public BroadcastMonitor(Context context, BroadcastReceiver receiver, String... actions) { |
| IntentFilter filter = new IntentFilter(); |
| for (String action : actions) { |
| filter.addAction(action); |
| } |
| mContext = context; |
| mReceiver = receiver; |
| mContext.registerReceiver(this, filter); |
| } |
| |
| /** Stop monitoring for broadcast intents */ |
| public void close() { |
| if (mReceiver != null) { |
| mReceiver = null; |
| mContext.unregisterReceiver(this); |
| } |
| } |
| |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction() != null && mReceiver != null) { |
| mReceiver.onReceive(context, intent); |
| } |
| } |
| } |