MrSluffy
91 lines
3.2 KiB
Kotlin
91 lines
3.2 KiB
Kotlin
/*
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* Copyright (C) 2023 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.common
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import android.window.WindowContainerToken
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import android.window.WindowContainerTransaction
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import com.android.wm.shell.protolog.ShellProtoLogGroup.WM_SHELL_TASK_ORG
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import com.android.wm.shell.util.KtProtoLog
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/**
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* Controller to manage behavior of activities launched with
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* [android.content.Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT].
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*/
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class LaunchAdjacentController(private val syncQueue: SyncTransactionQueue) {
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/** Allows to temporarily disable launch adjacent handling */
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var launchAdjacentEnabled: Boolean = true
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set(value) {
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if (field != value) {
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KtProtoLog.d(WM_SHELL_TASK_ORG, "set launch adjacent flag root enabled=%b", value)
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field = value
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container?.let { c ->
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if (value) {
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enableContainer(c)
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} else {
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disableContainer((c))
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}
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}
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}
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}
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private var container: WindowContainerToken? = null
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/**
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* Set [container] as the new launch adjacent flag root container.
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*
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* If launch adjacent handling is disabled through [setLaunchAdjacentEnabled], won't set the
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* container until after it is enabled again.
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*
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* @see WindowContainerTransaction.setLaunchAdjacentFlagRoot
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*/
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fun setLaunchAdjacentRoot(container: WindowContainerToken) {
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KtProtoLog.d(WM_SHELL_TASK_ORG, "set new launch adjacent flag root container")
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this.container = container
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if (launchAdjacentEnabled) {
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enableContainer(container)
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}
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}
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/**
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* Clear a container previously set through [setLaunchAdjacentRoot].
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*
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* Always clears the container, regardless of [launchAdjacentEnabled] value.
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*
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* @see WindowContainerTransaction.clearLaunchAdjacentFlagRoot
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*/
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fun clearLaunchAdjacentRoot() {
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KtProtoLog.d(WM_SHELL_TASK_ORG, "clear launch adjacent flag root container")
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container?.let {
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disableContainer(it)
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container = null
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}
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}
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private fun enableContainer(container: WindowContainerToken) {
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KtProtoLog.v(WM_SHELL_TASK_ORG, "enable launch adjacent flag root container")
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val wct = WindowContainerTransaction()
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wct.setLaunchAdjacentFlagRoot(container)
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syncQueue.queue(wct)
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}
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private fun disableContainer(container: WindowContainerToken) {
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KtProtoLog.v(WM_SHELL_TASK_ORG, "disable launch adjacent flag root container")
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val wct = WindowContainerTransaction()
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wct.clearLaunchAdjacentFlagRoot(container)
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syncQueue.queue(wct)
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}
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}
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