106 lines
3.9 KiB
Java
106 lines
3.9 KiB
Java
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.bluetooth;
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import android.annotation.NonNull;
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import android.annotation.SystemApi;
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import android.app.SystemServiceRegistry;
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import android.content.Context;
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import android.os.BluetoothServiceManager;
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import java.util.function.Consumer;
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/**
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* Class for performing registration for Bluetooth service.
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*
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* @hide
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*/
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@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
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public class BluetoothFrameworkInitializer {
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private BluetoothFrameworkInitializer() {}
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private static volatile BluetoothServiceManager sBluetoothServiceManager;
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private static volatile Consumer<Context> sBinderCallsStatsInitializer;
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/**
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* Sets an instance of {@link BluetoothServiceManager} that allows the bluetooth mainline module
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* to register/obtain bluetooth binder services. This is called by the platform during the
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* system initialization.
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*
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* @param bluetoothServiceManager instance of {@link BluetoothServiceManager} that allows the
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* bluetooth mainline module to register/obtain bluetoothd binder services.
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*/
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public static void setBluetoothServiceManager(
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@NonNull BluetoothServiceManager bluetoothServiceManager) {
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if (sBluetoothServiceManager != null) {
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throw new IllegalStateException("setBluetoothServiceManager called twice!");
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}
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if (bluetoothServiceManager == null) {
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throw new IllegalArgumentException("bluetoothServiceManager must not be null");
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}
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sBluetoothServiceManager = bluetoothServiceManager;
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}
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/** @hide */
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public static BluetoothServiceManager getBluetoothServiceManager() {
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return sBluetoothServiceManager;
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}
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/**
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* Called by {@link ActivityThread}'s static initializer to set the callback enabling Bluetooth
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* {@link BinderCallsStats} registration.
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*
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* @param binderCallsStatsConsumer called by bluetooth service to create a new binder calls
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* stats observer
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*/
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public static void setBinderCallsStatsInitializer(
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@NonNull Consumer<Context> binderCallsStatsConsumer) {
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if (sBinderCallsStatsInitializer != null) {
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throw new IllegalStateException("setBinderCallsStatsInitializer called twice!");
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}
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if (binderCallsStatsConsumer == null) {
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throw new IllegalArgumentException("binderCallsStatsConsumer must not be null");
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}
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sBinderCallsStatsInitializer = binderCallsStatsConsumer;
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}
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/** @hide */
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public static void initializeBinderCallsStats(Context context) {
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if (sBinderCallsStatsInitializer == null) {
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throw new IllegalStateException("sBinderCallsStatsInitializer has not been set");
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}
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sBinderCallsStatsInitializer.accept(context);
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}
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/**
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* Called by {@link SystemServiceRegistry}'s static initializer and registers BT service to
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* {@link Context}, so that {@link Context#getSystemService} can return them.
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*
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* @throws IllegalStateException if this is called from anywhere besides {@link
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* SystemServiceRegistry}
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*/
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public static void registerServiceWrappers() {
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SystemServiceRegistry.registerContextAwareService(
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Context.BLUETOOTH_SERVICE,
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BluetoothManager.class,
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context -> new BluetoothManager(context));
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}
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}
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