1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 18 package com.android.wallpaper.dispatchers 19 20 import dagger.Module 21 import dagger.Provides 22 import dagger.hilt.InstallIn 23 import dagger.hilt.components.SingletonComponent 24 import javax.inject.Qualifier 25 import kotlinx.coroutines.CoroutineDispatcher 26 import kotlinx.coroutines.CoroutineScope 27 import kotlinx.coroutines.Dispatchers 28 29 /** Qualifier for main thread [CoroutineDispatcher] bound to app lifecycle. */ 30 @Qualifier annotation class MainDispatcher 31 32 /** Qualifier for background thread [CoroutineDispatcher] for long running and blocking tasks. */ 33 @Qualifier annotation class BackgroundDispatcher 34 35 @Module 36 @InstallIn(SingletonComponent::class) 37 internal object DispatchersModule { 38 39 @Provides 40 @MainDispatcher provideMainScopenull41 fun provideMainScope(): CoroutineScope = CoroutineScope(Dispatchers.Main) 42 43 @Provides @MainDispatcher fun provideMainDispatcher(): CoroutineDispatcher = Dispatchers.Main 44 45 @Provides 46 @BackgroundDispatcher 47 fun provideBackgroundDispatcher(): CoroutineDispatcher = Dispatchers.IO 48 } 49