| /* |
| * Copyright (C) 2019 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.settings.development.bluetooth; |
| |
| import android.bluetooth.BluetoothCodecConfig; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.development.BluetoothA2dpConfigStore; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Dialog preference controller to set the Bluetooth A2DP config of audio channel mode |
| */ |
| public class BluetoothChannelModeDialogPreferenceController extends |
| AbstractBluetoothDialogPreferenceController { |
| |
| private static final String KEY = "bluetooth_channel_mode_settings"; |
| private static final String TAG = "BtChannelModeCtr"; |
| |
| public BluetoothChannelModeDialogPreferenceController(Context context, Lifecycle lifecycle, |
| BluetoothA2dpConfigStore store) { |
| super(context, lifecycle, store); |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| ((BaseBluetoothDialogPreference) mPreference).setCallback(this); |
| } |
| |
| @Override |
| protected void writeConfigurationValues(final int index) { |
| int channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_NONE; // default |
| switch (index) { |
| case 0: |
| final BluetoothCodecConfig currentConfig = getCurrentCodecConfig(); |
| if (currentConfig != null) { |
| channelModeValue = getHighestChannelMode(getSelectableByCodecType( |
| currentConfig.getCodecType())); |
| } |
| break; |
| case 1: |
| channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_MONO; |
| break; |
| case 2: |
| channelModeValue = BluetoothCodecConfig.CHANNEL_MODE_STEREO; |
| break; |
| default: |
| break; |
| } |
| mBluetoothA2dpConfigStore.setChannelMode(channelModeValue); |
| } |
| |
| @Override |
| protected int getCurrentIndexByConfig(BluetoothCodecConfig config) { |
| if (config == null) { |
| Log.e(TAG, "Unable to get current config index. Config is null."); |
| } |
| return convertCfgToBtnIndex(config.getChannelMode()); |
| } |
| |
| @Override |
| public List<Integer> getSelectableIndex() { |
| List<Integer> selectableIndex = new ArrayList<>(); |
| selectableIndex.add(getDefaultIndex()); |
| final BluetoothCodecConfig currentConfig = getCurrentCodecConfig(); |
| if (currentConfig != null) { |
| final int configs = |
| getSelectableByCodecType(currentConfig.getCodecType()).getChannelMode(); |
| for (int i = 0; i < CHANNEL_MODES.length; i++) { |
| if ((configs & CHANNEL_MODES[i]) != 0) { |
| selectableIndex.add(convertCfgToBtnIndex(CHANNEL_MODES[i])); |
| } |
| } |
| } |
| return selectableIndex; |
| } |
| |
| @VisibleForTesting |
| int convertCfgToBtnIndex(int config) { |
| int index = getDefaultIndex(); |
| switch (config) { |
| case BluetoothCodecConfig.CHANNEL_MODE_MONO: |
| index = 1; |
| break; |
| case BluetoothCodecConfig.CHANNEL_MODE_STEREO: |
| index = 2; |
| break; |
| default: |
| Log.e(TAG, "Unsupported config:" + config); |
| break; |
| } |
| return index; |
| } |
| } |