1 /* 2 * Copyright 2019 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.os.Looper; 20 21 import com.android.internal.annotations.VisibleForTesting; 22 23 /** 24 * Provide a method to inject custom MediaControllerWrapper objects for testing. By using the 25 * factory methods instead of calling the wrap method of MediaControllerWrapper directly, we can 26 * inject a custom MediaControllerWrapper that can be used with JUnit and Mockito to set 27 * expectations and validate behaviour in tests. 28 */ 29 public final class MediaPlayerWrapperFactory { 30 private static MediaPlayerWrapper sInjectedWrapper; 31 wrap(MediaController controller, Looper looper)32 static MediaPlayerWrapper wrap(MediaController controller, Looper looper) { 33 if (sInjectedWrapper != null) return sInjectedWrapper; 34 if (controller == null || looper == null) { 35 return null; 36 } 37 38 MediaPlayerWrapper newWrapper; 39 if (controller.getPackageName().equals("com.google.android.music")) { 40 newWrapper = new GPMWrapper(controller, looper); 41 } else { 42 newWrapper = new MediaPlayerWrapper(controller, looper); 43 } 44 return newWrapper; 45 } 46 47 @VisibleForTesting inject(MediaPlayerWrapper wrapper)48 static void inject(MediaPlayerWrapper wrapper) { 49 sInjectedWrapper = wrapper; 50 } 51 } 52 53