| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.audiopolicytest; |
| |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.media.AudioAttributes; |
| import android.media.AudioManager; |
| import android.media.audiopolicy.AudioProductStrategy; |
| import android.media.audiopolicy.AudioVolumeGroup; |
| import android.test.ActivityInstrumentationTestCase2; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class AudioVolumesTestBase extends ActivityInstrumentationTestCase2<AudioPolicyTest> { |
| public AudioManager mAudioManager; |
| Context mContext; |
| private Map<Integer, Integer> mOriginalStreamVolumes = new HashMap<>(); |
| private Map<Integer, Integer> mOriginalVolumeGroupVolumes = new HashMap<>(); |
| |
| // Default matches the invalid (empty) attributes from native. |
| // The difference is the input source default which is not aligned between native and java |
| public static final AudioAttributes sDefaultAttributes = |
| AudioProductStrategy.sDefaultAttributes; |
| |
| public static final AudioAttributes sInvalidAttributes = new AudioAttributes.Builder().build(); |
| |
| public final int[] PUBLIC_STREAM_TYPES = { AudioManager.STREAM_VOICE_CALL, |
| AudioManager.STREAM_SYSTEM, AudioManager.STREAM_RING, AudioManager.STREAM_MUSIC, |
| AudioManager.STREAM_ALARM, AudioManager.STREAM_NOTIFICATION, |
| AudioManager.STREAM_DTMF, AudioManager.STREAM_ACCESSIBILITY }; |
| |
| public AudioVolumesTestBase() { |
| super("com.android.audiopolicytest", AudioPolicyTest.class); |
| } |
| |
| /** |
| * <p>Note: must be called with shell permission (MODIFY_AUDIO_ROUTING) |
| */ |
| private void storeAllVolumes() { |
| List<AudioVolumeGroup> audioVolumeGroups = mAudioManager.getAudioVolumeGroups(); |
| for (final AudioVolumeGroup avg : audioVolumeGroups) { |
| if (avg.getAudioAttributes().isEmpty()) { |
| // some volume group may not supports volume control per attributes |
| // like rerouting/patch since these groups are internal to audio policy manager |
| continue; |
| } |
| AudioAttributes avgAttributes = sDefaultAttributes; |
| for (final AudioAttributes aa : avg.getAudioAttributes()) { |
| if (!aa.equals(AudioProductStrategy.sDefaultAttributes)) { |
| avgAttributes = aa; |
| break; |
| } |
| } |
| if (avgAttributes.equals(sDefaultAttributes)) { |
| // This shall not happen, however, not purpose of this base class. |
| // so bailing out. |
| continue; |
| } |
| mOriginalVolumeGroupVolumes.put( |
| avg.getId(), mAudioManager.getVolumeIndexForAttributes(avgAttributes)); |
| } |
| } |
| |
| /** |
| * <p>Note: must be called with shell permission (MODIFY_AUDIO_ROUTING) |
| */ |
| private void restoreAllVolumes() { |
| List<AudioVolumeGroup> audioVolumeGroups = mAudioManager.getAudioVolumeGroups(); |
| for (Map.Entry<Integer, Integer> e : mOriginalVolumeGroupVolumes.entrySet()) { |
| for (final AudioVolumeGroup avg : audioVolumeGroups) { |
| if (avg.getId() == e.getKey()) { |
| assertTrue(!avg.getAudioAttributes().isEmpty()); |
| AudioAttributes avgAttributes = sDefaultAttributes; |
| for (final AudioAttributes aa : avg.getAudioAttributes()) { |
| if (!aa.equals(AudioProductStrategy.sDefaultAttributes)) { |
| avgAttributes = aa; |
| break; |
| } |
| } |
| assertTrue(!avgAttributes.equals(sDefaultAttributes)); |
| mAudioManager.setVolumeIndexForAttributes( |
| avgAttributes, e.getValue(), AudioManager.FLAG_ALLOW_RINGER_MODES); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mContext = getActivity(); |
| mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE); |
| |
| assertEquals(PackageManager.PERMISSION_GRANTED, |
| mContext.checkSelfPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)); |
| |
| // Store the original volumes that that they can be recovered in tearDown(). |
| mOriginalStreamVolumes.clear(); |
| for (int streamType : PUBLIC_STREAM_TYPES) { |
| mOriginalStreamVolumes.put(streamType, mAudioManager.getStreamVolume(streamType)); |
| } |
| // Store the original volume per attributes so that they can be recovered in tearDown() |
| mOriginalVolumeGroupVolumes.clear(); |
| storeAllVolumes(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| |
| // Recover the volume and the ringer mode that the test may have overwritten. |
| for (Map.Entry<Integer, Integer> e : mOriginalStreamVolumes.entrySet()) { |
| mAudioManager.setStreamVolume(e.getKey(), e.getValue(), |
| AudioManager.FLAG_ALLOW_RINGER_MODES); |
| } |
| |
| // Recover the original volume per attributes |
| restoreAllVolumes(); |
| } |
| |
| public static int resetVolumeIndex(int indexMin, int indexMax) { |
| return (indexMax + indexMin) / 2; |
| } |
| |
| public static int incrementVolumeIndex(int index, int indexMin, int indexMax) { |
| return (index + 1 > indexMax) ? resetVolumeIndex(indexMin, indexMax) : ++index; |
| } |
| } |