97 lines
3.4 KiB
Kotlin
97 lines
3.4 KiB
Kotlin
/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.wm.shell.desktopmode
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import android.content.Context
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import android.os.IBinder
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import android.view.SurfaceControl
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import android.view.WindowManager
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import android.window.TransitionInfo
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import com.android.window.flags.Flags.enableDesktopWindowingWallpaperActivity
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import com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_DESKTOP_MODE
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import com.android.wm.shell.shared.DesktopModeStatus
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import com.android.wm.shell.sysui.ShellInit
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import com.android.wm.shell.transition.Transitions
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import com.android.wm.shell.util.KtProtoLog
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/**
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* A [Transitions.TransitionObserver] that observes shell transitions and updates
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* the [DesktopModeTaskRepository] state TODO: b/332682201
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* This observes transitions related to desktop mode
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* and other transitions that originate both within and outside shell.
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*/
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class DesktopTasksTransitionObserver(
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context: Context,
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private val desktopModeTaskRepository: DesktopModeTaskRepository,
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private val transitions: Transitions,
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shellInit: ShellInit
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) : Transitions.TransitionObserver {
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init {
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if (Transitions.ENABLE_SHELL_TRANSITIONS &&
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DesktopModeStatus.canEnterDesktopMode(context)) {
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shellInit.addInitCallback(::onInit, this)
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}
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}
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fun onInit() {
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KtProtoLog.d(WM_SHELL_DESKTOP_MODE, "DesktopTasksTransitionObserver: onInit")
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transitions.registerObserver(this)
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}
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override fun onTransitionReady(
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transition: IBinder,
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info: TransitionInfo,
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startTransaction: SurfaceControl.Transaction,
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finishTransaction: SurfaceControl.Transaction
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) {
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// TODO: b/332682201 Update repository state
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updateWallpaperToken(info)
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}
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override fun onTransitionStarting(transition: IBinder) {
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// TODO: b/332682201 Update repository state
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}
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override fun onTransitionMerged(merged: IBinder, playing: IBinder) {
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// TODO: b/332682201 Update repository state
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}
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override fun onTransitionFinished(transition: IBinder, aborted: Boolean) {
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// TODO: b/332682201 Update repository state
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}
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private fun updateWallpaperToken(info: TransitionInfo) {
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if (!enableDesktopWindowingWallpaperActivity()) {
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return
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}
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info.changes.forEach { change ->
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change.taskInfo?.let { taskInfo ->
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if (DesktopWallpaperActivity.isWallpaperTask(taskInfo)) {
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when (change.mode) {
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WindowManager.TRANSIT_OPEN ->
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desktopModeTaskRepository.wallpaperActivityToken = taskInfo.token
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WindowManager.TRANSIT_CLOSE ->
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desktopModeTaskRepository.wallpaperActivityToken = null
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else -> {}
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}
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}
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}
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}
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}
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}
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