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Commit 06736028 authored by Steve Elliott's avatar Steve Elliott
Browse files

Dagger Providers for CoroutineScope + Dispatchers 

Fixes: 237408543
Test: mp droid
Change-Id: Ia37d7aecd07dd8a3d5827aee8bffe23109f3403f
parent 6dfbb419

packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java

+2 −0
Original line number Diff line number Diff line
@@ -83,6 +83,7 @@ import com.android.systemui.unfold.SysUIUnfoldModule; 
import com.android.systemui.user.UserModule;

import com.android.systemui.util.concurrency.SysUIConcurrencyModule;

import com.android.systemui.util.dagger.UtilModule;

import com.android.systemui.util.kotlin.CoroutinesModule;

import com.android.systemui.util.sensors.SensorModule;

import com.android.systemui.util.settings.SettingsUtilModule;

import com.android.systemui.util.time.SystemClock;
@@ -115,6 +116,7 @@ import dagger.Provides; 
            AssistModule.class,

            BiometricsModule.class,

            ClockModule.class,

            CoroutinesModule.class,

            DreamModule.class,

            ControlsModule.class,

            DemoModeModule.class,

packages/SystemUI/src/com/android/systemui/util/kotlin/CoroutinesModule.kt

0 → 100644
+41 −0
Original line number Diff line number Diff line 
package com.android.systemui.util.kotlin



import com.android.systemui.dagger.SysUISingleton

import com.android.systemui.dagger.qualifiers.Application

import com.android.systemui.dagger.qualifiers.Background

import com.android.systemui.dagger.qualifiers.Main

import dagger.Module

import dagger.Provides

import kotlinx.coroutines.CoroutineDispatcher

import kotlinx.coroutines.CoroutineScope

import kotlinx.coroutines.Dispatchers



/** Providers for various coroutines-related constructs. */

@Module

object CoroutinesModule {

    @Provides

    @SysUISingleton

    @Application

    fun applicationScope(

        @Main dispatcher: CoroutineDispatcher,

    ): CoroutineScope = CoroutineScope(dispatcher)



    @Provides

    @SysUISingleton

    @Main

    fun mainDispatcher(): CoroutineDispatcher = Dispatchers.Main.immediate



    /**

     * Provide a [CoroutineDispatcher] backed by a thread pool containing at most X threads, where

     * X is the number of CPU cores available.

     *

     * Because there are multiple threads at play, there is no serialization order guarantee. You

     * should use a [kotlinx.coroutines.channels.Channel] for serialization if necessary.

     *

     * @see Dispatchers.Default

     */

    @Provides

    @SysUISingleton

    @Background

    fun bgDispatcher(): CoroutineDispatcher = Dispatchers.Default

}