| /* |
| * Copyright 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.server; |
| |
| import android.provider.DeviceConfig; |
| import android.util.Slog; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * The BluetoothDeviceConfigListener handles system device config change callback and checks |
| * whether we need to inform BluetoothManagerService on this change. |
| * |
| * The information of device config change would not be passed to the BluetoothManagerService |
| * when Bluetooth is on and Bluetooth is in one of the following situations: |
| * 1. Bluetooth A2DP is connected. |
| * 2. Bluetooth Hearing Aid profile is connected. |
| */ |
| class BluetoothDeviceConfigListener { |
| private static final String TAG = "BluetoothDeviceConfigListener"; |
| |
| private final BluetoothManagerService mService; |
| private final boolean mLogDebug; |
| |
| BluetoothDeviceConfigListener(BluetoothManagerService service, boolean logDebug) { |
| mService = service; |
| mLogDebug = logDebug; |
| DeviceConfig.addOnPropertiesChangedListener( |
| DeviceConfig.NAMESPACE_BLUETOOTH, |
| (Runnable r) -> r.run(), |
| mDeviceConfigChangedListener); |
| } |
| |
| private final DeviceConfig.OnPropertiesChangedListener mDeviceConfigChangedListener = |
| new DeviceConfig.OnPropertiesChangedListener() { |
| @Override |
| public void onPropertiesChanged(DeviceConfig.Properties properties) { |
| if (!properties.getNamespace().equals(DeviceConfig.NAMESPACE_BLUETOOTH)) { |
| return; |
| } |
| if (mLogDebug) { |
| ArrayList<String> flags = new ArrayList<>(); |
| for (String name : properties.getKeyset()) { |
| flags.add(name + "='" + properties.getString(name, "") + "'"); |
| } |
| Slog.d(TAG, "onPropertiesChanged: " + String.join(",", flags)); |
| } |
| boolean foundInit = false; |
| for (String name : properties.getKeyset()) { |
| if (name.startsWith("INIT_")) { |
| foundInit = true; |
| break; |
| } |
| } |
| if (!foundInit) { |
| return; |
| } |
| mService.onInitFlagsChanged(); |
| } |
| }; |
| |
| } |