/* * Copyright (C) 2017 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; import android.bluetooth.BluetoothCodecConfig; import android.content.Context; import com.android.settings.R; import com.android.settingslib.core.lifecycle.Lifecycle; public class BluetoothAudioQualityPreferenceController extends AbstractBluetoothA2dpPreferenceController { private static final int DEFAULT_INDEX = 3; private static final String BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY = "bluetooth_select_a2dp_ldac_playback_quality"; public BluetoothAudioQualityPreferenceController(Context context, Lifecycle lifecycle, BluetoothA2dpConfigStore store) { super(context, lifecycle, store); } @Override public String getPreferenceKey() { return BLUETOOTH_SELECT_A2DP_LDAC_PLAYBACK_QUALITY_KEY; } @Override protected String[] getListValues() { return mContext.getResources().getStringArray( R.array.bluetooth_a2dp_codec_ldac_playback_quality_values); } @Override protected String[] getListSummaries() { return mContext.getResources().getStringArray( R.array.bluetooth_a2dp_codec_ldac_playback_quality_summaries); } @Override protected int getDefaultIndex() { return DEFAULT_INDEX; } @Override protected void writeConfigurationValues(Object newValue) { final int index = mPreference.findIndexOfValue(newValue.toString()); int codecSpecific1Value = 0; // default switch (index) { case 0: case 1: case 2: case 3: codecSpecific1Value = 1000 + index; break; default: break; } mBluetoothA2dpConfigStore.setCodecSpecific1Value(codecSpecific1Value); } @Override protected int getCurrentA2dpSettingIndex(BluetoothCodecConfig config) { // The actual values are 0, 1, 2 - those are extracted // as mod-10 remainders of a larger value. // The reason is because within BluetoothCodecConfig we cannot use // a codec-specific value of zero. int index = (int) config.getCodecSpecific1(); if (index > 0) { index %= 10; } else { index = DEFAULT_INDEX; } switch (index) { case 0: case 1: case 2: case 3: break; default: index = DEFAULT_INDEX; break; } return index; } }