1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 package com.android.server.location; 18 19 import android.location.GpsNavigationMessageEvent; 20 import android.location.IGpsNavigationMessageListener; 21 import android.os.RemoteException; 22 23 /** 24 * An base implementation for GPS navigation messages provider. 25 * It abstracts out the responsibility of handling listeners, while still allowing technology 26 * specific implementations to be built. 27 * 28 * @hide 29 */ 30 public abstract class GpsNavigationMessageProvider 31 extends RemoteListenerHelper<IGpsNavigationMessageListener> { 32 public GpsNavigationMessageProvider() { 33 super("GpsNavigationMessageProvider"); 34 } 35 36 public void onNavigationMessageAvailable(final GpsNavigationMessageEvent event) { 37 ListenerOperation<IGpsNavigationMessageListener> operation = 38 new ListenerOperation<IGpsNavigationMessageListener>() { 39 @Override 40 public void execute(IGpsNavigationMessageListener listener) 41 throws RemoteException { 42 listener.onGpsNavigationMessageReceived(event); 43 } 44 }; 45 46 foreach(operation); 47 } 48 } 49