1 /* 2 * Copyright 2018 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.bluetooth.avrcp; 18 19 import android.content.Context; 20 import android.media.session.MediaSession; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 24 /** 25 * Provide a method to inject custom MediaController objects for testing. By using the factory 26 * methods instead of calling the constructor of MediaController directly, we can inject a custom 27 * MediaController that can be used with JUnit and Mockito to set expectations and validate 28 * behaviour in tests. 29 */ 30 public final class MediaControllerFactory { 31 private static MediaController sInjectedController; 32 33 static MediaController wrap(android.media.session.MediaController delegate) { 34 if (sInjectedController != null) return sInjectedController; 35 return (delegate != null) ? new MediaController(delegate) : null; 36 } 37 38 static MediaController make(Context context, MediaSession.Token token) { 39 if (sInjectedController != null) return sInjectedController; 40 return new MediaController(context, token); 41 } 42 43 @VisibleForTesting 44 static void inject(MediaController controller) { 45 sInjectedController = controller; 46 } 47 } 48
