| /* |
| * Copyright (C) 2021 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 android.bluetooth; |
| |
| import android.annotation.NonNull; |
| import android.annotation.SystemApi; |
| import android.app.SystemServiceRegistry; |
| import android.content.Context; |
| import android.os.BluetoothServiceManager; |
| |
| import java.util.function.Consumer; |
| |
| /** |
| * Class for performing registration for Bluetooth service. |
| * |
| * @hide |
| */ |
| @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES) |
| public class BluetoothFrameworkInitializer { |
| private BluetoothFrameworkInitializer() {} |
| |
| private static volatile BluetoothServiceManager sBluetoothServiceManager; |
| private static volatile Consumer<Context> sBinderCallsStatsInitializer; |
| |
| /** |
| * Sets an instance of {@link BluetoothServiceManager} that allows |
| * the bluetooth mainline module to register/obtain bluetooth binder services. This is called |
| * by the platform during the system initialization. |
| * |
| * @param bluetoothServiceManager instance of {@link BluetoothServiceManager} that allows |
| * the bluetooth mainline module to register/obtain bluetoothd binder services. |
| */ |
| public static void setBluetoothServiceManager( |
| @NonNull BluetoothServiceManager bluetoothServiceManager) { |
| if (sBluetoothServiceManager != null) { |
| throw new IllegalStateException("setBluetoothServiceManager called twice!"); |
| } |
| |
| if (bluetoothServiceManager == null) { |
| throw new IllegalArgumentException("bluetoothServiceManager must not be null"); |
| } |
| |
| sBluetoothServiceManager = bluetoothServiceManager; |
| } |
| |
| /** @hide */ |
| public static BluetoothServiceManager getBluetoothServiceManager() { |
| return sBluetoothServiceManager; |
| } |
| |
| /** |
| * Called by {@link ActivityThread}'s static initializer to set the callback enabling Bluetooth |
| * {@link BinderCallsStats} registeration. |
| * |
| * @param binderCallsStatsConsumer called by bluetooth service to create a new binder calls |
| * stats observer |
| */ |
| public static void setBinderCallsStatsInitializer( |
| @NonNull Consumer<Context> binderCallsStatsConsumer) { |
| if (sBinderCallsStatsInitializer != null) { |
| throw new IllegalStateException("setBinderCallsStatsInitializer called twice!"); |
| } |
| |
| if (binderCallsStatsConsumer == null) { |
| throw new IllegalArgumentException("binderCallsStatsConsumer must not be null"); |
| } |
| |
| sBinderCallsStatsInitializer = binderCallsStatsConsumer; |
| } |
| |
| /** @hide */ |
| public static void initializeBinderCallsStats(Context context) { |
| if (sBinderCallsStatsInitializer == null) { |
| throw new IllegalStateException("sBinderCallsStatsInitializer has not been set"); |
| } |
| sBinderCallsStatsInitializer.accept(context); |
| } |
| |
| /** |
| * Called by {@link SystemServiceRegistry}'s static initializer and registers BT service |
| * to {@link Context}, so that {@link Context#getSystemService} can return them. |
| * |
| * @throws IllegalStateException if this is called from anywhere besides |
| * {@link SystemServiceRegistry} |
| */ |
| public static void registerServiceWrappers() { |
| SystemServiceRegistry.registerContextAwareService(Context.BLUETOOTH_SERVICE, |
| BluetoothManager.class, context -> new BluetoothManager(context)); |
| } |
| } |