Add dedicated biometrics sysui thread.

/*

 * 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 com.android.systemui.biometrics.dagger

import com.android.systemui.dagger.SysUISingleton

import com.android.systemui.util.concurrency.ThreadFactory

import dagger.Module

import dagger.Provides

import java.util.concurrent.Executor

import javax.inject.Qualifier

/**

 * Dagger module for all things biometric.

 */

@Module

object BiometricsModule {

    /** Background [Executor] for HAL related operations. */

    @Provides

    @SysUISingleton

    @JvmStatic

    @BiometricsBackground

    fun providesPluginExecutor(threadFactory: ThreadFactory): Executor =

        threadFactory.buildExecutorOnNewThread("biometrics")

}

/**

 * Background executor for HAL operations that are latency sensitive but too

 * slow to run on the main thread. Prefer the shared executors, such as

 * [com.android.systemui.dagger.qualifiers.Background] when a HAL is not directly involved.

 */

@Qualifier

@MustBeDocumented

@Retention(AnnotationRetention.RUNTIME)

annotation class BiometricsBackground

import com.android.systemui.appops.dagger.AppOpsModule;

import com.android.systemui.assist.AssistModule;

import com.android.systemui.biometrics.UdfpsHbmProvider;

import com.android.systemui.biometrics.dagger.BiometricsModule;

import com.android.systemui.classifier.FalsingModule;

import com.android.systemui.communal.dagger.CommunalModule;

import com.android.systemui.controls.dagger.ControlsModule;

@Module(includes = {

            AppOpsModule.class,

            AssistModule.class,

            BiometricsModule.class,

            ClockModule.class,

            CommunalModule.class,

            DreamModule.class,