| /* |
| * 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.BluetoothA2dp; |
| import android.content.Context; |
| |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settings.development.BluetoothA2dpConfigStore; |
| import com.android.settings.development.BluetoothServiceConnectionListener; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnDestroy; |
| import com.android.settingslib.development.DeveloperOptionsPreferenceController; |
| |
| /** |
| * Abstract class for Bluetooth A2DP config controller in developer option. |
| */ |
| public abstract class AbstractBluetoothPreferenceController extends |
| DeveloperOptionsPreferenceController implements BluetoothServiceConnectionListener, |
| LifecycleObserver, OnDestroy, PreferenceControllerMixin { |
| |
| protected volatile BluetoothA2dp mBluetoothA2dp; |
| |
| public AbstractBluetoothPreferenceController(Context context, Lifecycle lifecycle, |
| BluetoothA2dpConfigStore store) { |
| super(context); |
| if (lifecycle != null) { |
| lifecycle.addObserver(this); |
| } |
| } |
| |
| @Override |
| public void onBluetoothServiceConnected(BluetoothA2dp bluetoothA2dp) { |
| mBluetoothA2dp = bluetoothA2dp; |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void onBluetoothCodecUpdated() { |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void onBluetoothServiceDisconnected() { |
| mBluetoothA2dp = null; |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void onDestroy() { |
| mBluetoothA2dp = null; |
| } |
| |
| /** |
| * Callback interface for this class to manipulate data from controller. |
| */ |
| public interface Callback { |
| /** |
| * Callback method to notify preferences when the Bluetooth A2DP config is changed. |
| */ |
| void onBluetoothCodecChanged(); |
| |
| /** |
| * Callback method to notify preferences when the HD audio(optional codec) state is changed. |
| * |
| * @param enabled Is {@code true} when the setting is enabled. |
| */ |
| void onBluetoothHDAudioEnabled(boolean enabled); |
| } |
| } |