1 /* 2 * Copyright (C) 2024 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.car.carlauncher.homescreen.audio.media; 18 19 import com.android.car.carlauncher.homescreen.audio.MediaLaunchHandler; 20 import com.android.car.media.common.source.MediaSource; 21 22 /** 23 * Routes media launches to {@link MediaLaunchHandler}. 24 */ 25 public class MediaLaunchRouter { 26 private static MediaLaunchRouter sInstance; 27 private MediaLaunchHandler mMediaLaunchHandler; 28 29 /** 30 * @return an instance of {@link MediaLaunchRouter}. 31 */ getInstance()32 public static MediaLaunchRouter getInstance() { 33 if (sInstance == null) { 34 sInstance = new MediaLaunchRouter(); 35 } 36 return sInstance; 37 } 38 39 /** 40 * Register a {@link MediaLaunchHandler}. 41 */ registerMediaLaunchHandler(MediaLaunchHandler mediaLaunchHandler)42 public void registerMediaLaunchHandler(MediaLaunchHandler mediaLaunchHandler) { 43 mMediaLaunchHandler = mediaLaunchHandler; 44 } 45 46 /** 47 * Dispatch a media source to {@link MediaLaunchHandler} 48 */ handleLaunchMedia(MediaSource mediaSource)49 public void handleLaunchMedia(MediaSource mediaSource) { 50 if (mediaSource != null) { 51 mMediaLaunchHandler.handleLaunchMedia(mediaSource); 52 } 53 } 54 } 55