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.audio_util; 18 19 import android.content.Context; 20 import android.os.Looper; 21 22 import com.android.internal.annotations.VisibleForTesting; 23 24 /** 25 * Provide a method to inject custom MediaControllerWrapper objects for testing. By using the 26 * factory methods instead of calling the wrap method of MediaControllerWrapper directly, we can 27 * inject a custom MediaControllerWrapper that can be used with JUnit and Mockito to set 28 * expectations and validate behaviour in tests. 29 */ 30 public final class MediaPlayerWrapperFactory { 31 private static MediaPlayerWrapper sInjectedWrapper; 32 wrap(Context context, MediaController controller, Looper looper)33 static MediaPlayerWrapper wrap(Context context, MediaController controller, Looper looper) { 34 if (sInjectedWrapper != null) return sInjectedWrapper; 35 if (controller == null || looper == null) { 36 return null; 37 } 38 39 MediaPlayerWrapper newWrapper; 40 if (controller.getPackageName().equals("com.google.android.music")) { 41 newWrapper = new GPMWrapper(context, controller, looper); 42 } else { 43 newWrapper = new MediaPlayerWrapper(context, controller, looper); 44 } 45 return newWrapper; 46 } 47 48 @VisibleForTesting inject(MediaPlayerWrapper wrapper)49 static void inject(MediaPlayerWrapper wrapper) { 50 sInjectedWrapper = wrapper; 51 } 52 } 53 54