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Commit 92a023f7 authored by Kazuki Takise's avatar Kazuki Takise
Browse files

Use background thread instead of main thread for FocusedDisplayRepository 

Bug: 356109871
Flag: com.android.window.flags.enable_display_focus_in_shell_transitions
Test: adb shell dumpsys activity service com.android.systemui/.SystemUIService FocusedDisplayRepo
Change-Id: Iabff024e47bc94672f174b1e5f1d75038ae2bb5d
parent 2481d728

packages/SystemUI/src/com/android/systemui/display/data/repository/FocusedDisplayRepository.kt

+5 −6
Original line number Diff line number Diff line
@@ -19,8 +19,7 @@ package com.android.systemui.display.data.repository 
import android.annotation.MainThread

import android.view.Display.DEFAULT_DISPLAY

import com.android.systemui.dagger.SysUISingleton

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

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

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

import com.android.systemui.log.LogBuffer

import com.android.systemui.log.core.LogLevel

import com.android.systemui.log.dagger.FocusedDisplayRepoLog
@@ -43,15 +42,15 @@ import kotlinx.coroutines.flow.stateIn 
class FocusedDisplayRepository

@Inject

constructor(

    @Application val scope: CoroutineScope,

    @Main private val mainExecutor: Executor,

    @Background val backgroundScope: CoroutineScope,

    @Background private val backgroundExecutor: Executor,

    transitions: ShellTransitions,

    @FocusedDisplayRepoLog logBuffer: LogBuffer,

) {

    val focusedTask: Flow<Int> =

        conflatedCallbackFlow {

                val listener = FocusTransitionListener { displayId -> trySend(displayId) }

                transitions.setFocusTransitionListener(listener, mainExecutor)

                transitions.setFocusTransitionListener(listener, backgroundExecutor)

                awaitClose { transitions.unsetFocusTransitionListener(listener) }

            }

            .onEach {
@@ -65,5 +64,5 @@ constructor( 


    /** Provides the currently focused display. */

    val focusedDisplayId: StateFlow<Int>

        get() = focusedTask.stateIn(scope, SharingStarted.Eagerly, DEFAULT_DISPLAY)

        get() = focusedTask.stateIn(backgroundScope, SharingStarted.Eagerly, DEFAULT_DISPLAY)

}