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 17 package com.android.settings.development; 18 19 import android.bluetooth.BluetoothCodecConfig; 20 import android.content.Context; 21 22 import com.android.settings.R; 23 import com.android.settingslib.core.lifecycle.Lifecycle; 24 25 public class BluetoothAudioSampleRatePreferenceController extends 26 AbstractBluetoothA2dpPreferenceController { 27 28 private static final int DEFAULT_INDEX = 0; 29 private static final String BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY = 30 "bluetooth_select_a2dp_sample_rate"; 31 BluetoothAudioSampleRatePreferenceController(Context context, Lifecycle lifecycle, BluetoothA2dpConfigStore store)32 public BluetoothAudioSampleRatePreferenceController(Context context, Lifecycle lifecycle, 33 BluetoothA2dpConfigStore store) { 34 super(context, lifecycle, store); 35 } 36 37 @Override getPreferenceKey()38 public String getPreferenceKey() { 39 return BLUETOOTH_SELECT_A2DP_SAMPLE_RATE_KEY; 40 } 41 42 @Override getListValues()43 protected String[] getListValues() { 44 return mContext.getResources().getStringArray( 45 R.array.bluetooth_a2dp_codec_sample_rate_values); 46 } 47 48 @Override getListSummaries()49 protected String[] getListSummaries() { 50 return mContext.getResources().getStringArray( 51 R.array.bluetooth_a2dp_codec_sample_rate_summaries); 52 } 53 54 @Override getDefaultIndex()55 protected int getDefaultIndex() { 56 return DEFAULT_INDEX; 57 } 58 59 @Override writeConfigurationValues(Object newValue)60 protected void writeConfigurationValues(Object newValue) { 61 final int index = mPreference.findIndexOfValue(newValue.toString()); 62 int sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE; // default 63 switch (index) { 64 case 0: 65 sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_NONE; 66 break; 67 case 1: 68 sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_44100; 69 break; 70 case 2: 71 sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_48000; 72 break; 73 case 3: 74 sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_88200; 75 break; 76 case 4: 77 sampleRateValue = BluetoothCodecConfig.SAMPLE_RATE_96000; 78 break; 79 default: 80 break; 81 } 82 mBluetoothA2dpConfigStore.setSampleRate(sampleRateValue); 83 } 84 85 @Override getCurrentA2dpSettingIndex(BluetoothCodecConfig config)86 protected int getCurrentA2dpSettingIndex(BluetoothCodecConfig config) { 87 final int sampleRate = config.getSampleRate(); 88 int index = DEFAULT_INDEX; 89 switch (sampleRate) { 90 case BluetoothCodecConfig.SAMPLE_RATE_44100: 91 index = 1; 92 break; 93 case BluetoothCodecConfig.SAMPLE_RATE_48000: 94 index = 2; 95 break; 96 case BluetoothCodecConfig.SAMPLE_RATE_88200: 97 index = 3; 98 break; 99 case BluetoothCodecConfig.SAMPLE_RATE_96000: 100 index = 4; 101 break; 102 case BluetoothCodecConfig.SAMPLE_RATE_176400: 103 case BluetoothCodecConfig.SAMPLE_RATE_192000: 104 case BluetoothCodecConfig.SAMPLE_RATE_NONE: 105 default: 106 break; 107 } 108 return index; 109 } 110 } 111