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      1 /*
      2  * Copyright (C) 2017 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 package com.android.car.test;
     17 
     18 import android.media.AudioAttributes;
     19 import android.media.AudioFocusRequest;
     20 import android.media.AudioManager;
     21 import android.media.AudioManager.OnAudioFocusChangeListener;
     22 
     23 final class AudioTestUtils {
     24     private AudioTestUtils() {}
     25 
     26     static int doRequestFocus(
     27             AudioManager audioManager,
     28             OnAudioFocusChangeListener listener,
     29             int streamType,
     30             int androidFocus) {
     31         AudioAttributes.Builder attributesBuilder = new AudioAttributes.Builder();
     32         attributesBuilder.setLegacyStreamType(streamType);
     33         return doRequestFocus(audioManager, listener, attributesBuilder.build(), androidFocus);
     34     }
     35 
     36     static int doRequestFocus(
     37             AudioManager audioManager,
     38             OnAudioFocusChangeListener listener,
     39             AudioAttributes attributes,
     40             int androidFocus) {
     41         return doRequestFocus(audioManager, listener, attributes, androidFocus, false);
     42     }
     43 
     44     static int doRequestFocus(
     45         AudioManager audioManager,
     46         OnAudioFocusChangeListener listener,
     47         AudioAttributes attributes,
     48         int androidFocus,
     49         boolean acceptsDelayedFocus) {
     50         AudioFocusRequest.Builder focusBuilder = new AudioFocusRequest.Builder(androidFocus);
     51         focusBuilder.setOnAudioFocusChangeListener(listener).setAcceptsDelayedFocusGain(
     52                 acceptsDelayedFocus);
     53         focusBuilder.setAudioAttributes(attributes);
     54 
     55         return audioManager.requestAudioFocus(focusBuilder.build());
     56     }
     57 }
     58