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Commit 64cb3540 authored by Christian Göllner's avatar Christian Göllner Committed by Automerger Merge Worker
Browse files

Merge "Implementing real KeyboardBacklightListener in KeyboardRepository" into... 

Merge "Implementing real KeyboardBacklightListener in KeyboardRepository" into udc-dev am: 50fdc970

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21611245



Change-Id: Ib53399f928b74114bcdd6e78eacd797bd587a0e9
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 9a497217 50fdc970

packages/SystemUI/AndroidManifest.xml

+2 −0
Original line number Diff line number Diff line
@@ -341,6 +341,8 @@ 


    <uses-permission android:name="android.permission.SET_UNRESTRICTED_KEEP_CLEAR_AREAS" />



    <uses-permission android:name="android.permission.MONITOR_KEYBOARD_BACKLIGHT" />



    <protected-broadcast android:name="com.android.settingslib.action.REGISTER_SLICE_RECEIVER" />

    <protected-broadcast android:name="com.android.settingslib.action.UNREGISTER_SLICE_RECEIVER" />

    <protected-broadcast android:name="com.android.settings.flashlight.action.FLASHLIGHT_CHANGED" />

packages/SystemUI/src/com/android/systemui/keyboard/data/repository/KeyboardRepository.kt

+24 −8
Original line number Diff line number Diff line
@@ -18,15 +18,19 @@ 
package com.android.systemui.keyboard.data.repository



import android.hardware.input.InputManager

import android.hardware.input.InputManager.KeyboardBacklightListener

import android.hardware.input.KeyboardBacklightState

import com.android.systemui.common.coroutine.ChannelExt.trySendWithFailureLogging

import com.android.systemui.common.coroutine.ConflatedCallbackFlow.conflatedCallbackFlow

import com.android.systemui.dagger.SysUISingleton

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

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

import com.android.systemui.keyboard.data.model.BacklightModel

import java.util.concurrent.Executor

import javax.inject.Inject

import kotlinx.coroutines.CoroutineDispatcher

import kotlinx.coroutines.CoroutineScope

import kotlinx.coroutines.channels.SendChannel

import kotlinx.coroutines.channels.awaitClose

import kotlinx.coroutines.flow.Flow

import kotlinx.coroutines.flow.SharingStarted
@@ -51,24 +55,22 @@ constructor( 


    private val connectedDeviceIds: Flow<Set<Int>> =

        conflatedCallbackFlow {

                fun send(element: Set<Int>) = trySendWithFailureLogging(element, TAG)



                var connectedKeyboards = inputManager.inputDeviceIds.toSet()

                val listener =

                    object : InputManager.InputDeviceListener {

                        override fun onInputDeviceAdded(deviceId: Int) {

                            connectedKeyboards = connectedKeyboards + deviceId

                            send(connectedKeyboards)

                            sendWithLogging(connectedKeyboards)

                        }



                        override fun onInputDeviceChanged(deviceId: Int) = Unit



                        override fun onInputDeviceRemoved(deviceId: Int) {

                            connectedKeyboards = connectedKeyboards - deviceId

                            send(connectedKeyboards)

                            sendWithLogging(connectedKeyboards)

                        }

                    }

                send(connectedKeyboards)

                sendWithLogging(connectedKeyboards)

                inputManager.registerInputDeviceListener(listener, /* handler= */ null)

                awaitClose { inputManager.unregisterInputDeviceListener(listener) }

            }
@@ -78,6 +80,16 @@ constructor( 
                replay = 1,

            )



    private val backlightStateListener: Flow<KeyboardBacklightState> = conflatedCallbackFlow {

        val listener = KeyboardBacklightListener { _, state, isTriggeredByKeyPress ->

            if (isTriggeredByKeyPress) {

                sendWithLogging(state)

            }

        }

        inputManager.registerKeyboardBacklightListener(Executor(Runnable::run), listener)

        awaitClose { inputManager.unregisterKeyboardBacklightListener(listener) }

    }



    override val keyboardConnected: Flow<Boolean> =

        connectedDeviceIds

            .map { it.any { deviceId -> isPhysicalFullKeyboard(deviceId) } }
@@ -85,8 +97,12 @@ constructor( 
            .flowOn(backgroundDispatcher)



    override val backlight: Flow<BacklightModel> =

        conflatedCallbackFlow {

            // TODO(b/268645734) register BacklightListener

        backlightStateListener

            .map { BacklightModel(it.brightnessLevel, it.maxBrightnessLevel) }

            .flowOn(backgroundDispatcher)



    private fun <T> SendChannel<T>.sendWithLogging(element: T) {

        trySendWithFailureLogging(element, TAG)

    }



    private fun isPhysicalFullKeyboard(deviceId: Int): Boolean {