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Commit b6c9a433 authored by Nicolo' Mazzucato's avatar Nicolo' Mazzucato
Browse files

Create ShadeStateTraceLogger 

This new class logs some of the shade attributes to a perfetto trace, to make debugging of issues easier.

Bug: 362719719
Test: perfetto trace
Flag: NONE logging change
Change-Id: If52c45a9f61f6716a80f6829c847a15879fbf4a8
parent 26a84de2

packages/SystemUI/src/com/android/systemui/shade/ShadeStateTraceLogger.kt

0 → 100644
+70 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2025 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.shade



import com.android.app.tracing.TraceStateLogger

import com.android.app.tracing.TrackGroupUtils.trackGroup

import com.android.app.tracing.coroutines.TrackTracer.Companion.instantForGroup

import com.android.app.tracing.coroutines.launchTraced

import com.android.systemui.CoreStartable

import com.android.systemui.dagger.SysUISingleton

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

import com.android.systemui.shade.data.repository.ShadeDisplaysRepository

import com.android.systemui.shade.domain.interactor.ShadeInteractor

import javax.inject.Inject

import kotlinx.coroutines.CoroutineScope

import kotlinx.coroutines.launch



@SysUISingleton

class ShadeStateTraceLogger

@Inject

constructor(

    private val shadeInteractor: ShadeInteractor,

    private val shadeDisplaysRepository: ShadeDisplaysRepository,

    @Application private val scope: CoroutineScope,

) : CoreStartable {

    override fun start() {

        scope.launchTraced("ShadeStateTraceLogger") {

            launch {

                val stateLogger = createTraceStateLogger("isShadeLayoutWide")

                shadeInteractor.isShadeLayoutWide.collect { stateLogger.log(it.toString()) }

            }

            launch {

                val stateLogger = createTraceStateLogger("shadeMode")

                shadeInteractor.shadeMode.collect { stateLogger.log(it.toString()) }

            }

            launch {

                shadeInteractor.shadeExpansion.collect {

                    instantForGroup(TRACK_GROUP_NAME, "shadeExpansion", it)

                }

            }

            launch {

                shadeDisplaysRepository.displayId.collect {

                    instantForGroup(TRACK_GROUP_NAME, "displayId", it)

                }

            }

        }

    }



    private fun createTraceStateLogger(trackName: String): TraceStateLogger {

        return TraceStateLogger(trackGroup(TRACK_GROUP_NAME, trackName))

    }



    private companion object {

        const val TRACK_GROUP_NAME = "shade"

    }

}

packages/SystemUI/src/com/android/systemui/shade/StartShadeModule.kt

+5 −0
Original line number Diff line number Diff line
@@ -40,4 +40,9 @@ internal abstract class StartShadeModule { 
    @IntoMap

    @ClassKey(ShadeStartable::class)

    abstract fun provideShadeStartable(startable: ShadeStartable): CoreStartable



    @Binds

    @IntoMap

    @ClassKey(ShadeStateTraceLogger::class)

    abstract fun provideShadeStateTraceLogger(startable: ShadeStateTraceLogger): CoreStartable

}