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/*
* Copyright (C) 2021 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.qs.external
import android.app.Dialog
import android.app.StatusBarManager
import android.content.ComponentName
import android.content.DialogInterface
import android.graphics.drawable.Icon
import android.os.RemoteException
import android.util.Log
import androidx.annotation.VisibleForTesting
import com.android.internal.statusbar.IAddTileResultCallback
import com.android.systemui.R
import com.android.systemui.dagger.SysUISingleton
import com.android.systemui.qs.QSHost
import com.android.systemui.statusbar.CommandQueue
import com.android.systemui.statusbar.commandline.Command
import com.android.systemui.statusbar.commandline.CommandRegistry
import com.android.systemui.statusbar.phone.SystemUIDialog
import java.io.PrintWriter
import java.util.concurrent.atomic.AtomicBoolean
import java.util.function.Consumer
import javax.inject.Inject
private const val TAG = "TileServiceRequestController"
/**
* Controller to interface between [TileRequestDialog] and [QSHost].
*/
class TileServiceRequestController constructor(
private val qsHost: QSHost,
private val commandQueue: CommandQueue,
private val commandRegistry: CommandRegistry,
private val eventLogger: TileRequestDialogEventLogger,
private val dialogCreator: () -> TileRequestDialog = { TileRequestDialog(qsHost.context) }
) {
companion object {
internal const val ADD_TILE = StatusBarManager.TILE_ADD_REQUEST_RESULT_TILE_ADDED
internal const val DONT_ADD_TILE = StatusBarManager.TILE_ADD_REQUEST_RESULT_TILE_NOT_ADDED
internal const val TILE_ALREADY_ADDED =
StatusBarManager.TILE_ADD_REQUEST_RESULT_TILE_ALREADY_ADDED
internal const val DISMISSED = StatusBarManager.TILE_ADD_REQUEST_RESULT_DIALOG_DISMISSED
}
private var dialogCanceller: ((String) -> Unit)? = null
private val commandQueueCallback = object : CommandQueue.Callbacks {
override fun requestAddTile(
componentName: ComponentName,
appName: CharSequence,
label: CharSequence,
icon: Icon,
callback: IAddTileResultCallback
) {
requestTileAdd(componentName, appName, label, icon) {
try {
callback.onTileRequest(it)
} catch (e: RemoteException) {
Log.e(TAG, "Couldn't respond to request", e)
}
}
}
override fun cancelRequestAddTile(packageName: String) {
dialogCanceller?.invoke(packageName)
}
}
fun init() {
commandRegistry.registerCommand("tile-service-add") { TileServiceRequestCommand() }
commandQueue.addCallback(commandQueueCallback)
}
fun destroy() {
commandRegistry.unregisterCommand("tile-service-add")
commandQueue.removeCallback(commandQueueCallback)
}
private fun addTile(componentName: ComponentName) {
qsHost.addTile(componentName, true)
}
@VisibleForTesting
internal fun requestTileAdd(
componentName: ComponentName,
appName: CharSequence,
label: CharSequence,
icon: Icon?,
callback: Consumer<Int>
) {
val instanceId = eventLogger.newInstanceId()
val packageName = componentName.packageName
if (isTileAlreadyAdded(componentName)) {
callback.accept(TILE_ALREADY_ADDED)
eventLogger.logTileAlreadyAdded(packageName, instanceId)
return
}
val dialogResponse = SingleShotConsumer<Int> { response ->
if (response == ADD_TILE) {
addTile(componentName)
}
dialogCanceller = null
eventLogger.logUserResponse(response, packageName, instanceId)
callback.accept(response)
}
val tileData = TileRequestDialog.TileData(appName, label, icon)
createDialog(tileData, dialogResponse).also { dialog ->
dialogCanceller = {
if (packageName == it) {
dialog.cancel()
}
dialogCanceller = null
}
}.show()
eventLogger.logDialogShown(packageName, instanceId)
}
private fun createDialog(
tileData: TileRequestDialog.TileData,
responseHandler: SingleShotConsumer<Int>
): SystemUIDialog {
val dialogClickListener = DialogInterface.OnClickListener { _, which ->
if (which == Dialog.BUTTON_POSITIVE) {
responseHandler.accept(ADD_TILE)
} else {
responseHandler.accept(DONT_ADD_TILE)
}
}
return dialogCreator().apply {
setTileData(tileData)
setShowForAllUsers(true)
setCanceledOnTouchOutside(true)
setOnCancelListener { responseHandler.accept(DISMISSED) }
// We want this in case the dialog is dismissed without it being cancelled (for example
// by going home or locking the device). We use a SingleShotConsumer so the response
// is only sent once, with the first value.
setOnDismissListener { responseHandler.accept(DISMISSED) }
setPositiveButton(R.string.qs_tile_request_dialog_add, dialogClickListener)
setNegativeButton(R.string.qs_tile_request_dialog_not_add, dialogClickListener)
}
}
private fun isTileAlreadyAdded(componentName: ComponentName): Boolean {
val spec = CustomTile.toSpec(componentName)
return qsHost.indexOf(spec) != -1
}
inner class TileServiceRequestCommand : Command {
override fun execute(pw: PrintWriter, args: List<String>) {
val componentName: ComponentName = ComponentName.unflattenFromString(args[0])
?: run {
Log.w(TAG, "Malformed componentName ${args[0]}")
return
}
requestTileAdd(componentName, args[1], args[2], null) {
Log.d(TAG, "Response: $it")
}
}
override fun help(pw: PrintWriter) {
pw.println("Usage: adb shell cmd statusbar tile-service-add " +
"<componentName> <appName> <label>")
}
}
private class SingleShotConsumer<T>(private val consumer: Consumer<T>) : Consumer<T> {
private val dispatched = AtomicBoolean(false)
override fun accept(t: T) {
if (dispatched.compareAndSet(false, true)) {
consumer.accept(t)
}
}
}
@SysUISingleton
class Builder @Inject constructor(
private val commandQueue: CommandQueue,
private val commandRegistry: CommandRegistry
) {
fun create(qsHost: QSHost): TileServiceRequestController {
return TileServiceRequestController(
qsHost,
commandQueue,
commandRegistry,
TileRequestDialogEventLogger()
)
}
}
}
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