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/*
* Copyright (C) 2020 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.controls.ui
import android.app.AlertDialog
import android.app.Dialog
import android.content.DialogInterface
import android.service.controls.actions.BooleanAction
import android.service.controls.actions.CommandAction
import android.service.controls.actions.ControlAction
import android.service.controls.actions.FloatAction
import android.service.controls.actions.ModeAction
import android.text.InputType
import android.util.Log
import android.view.LayoutInflater
import android.view.WindowManager
import android.view.inputmethod.InputMethodManager
import android.widget.CheckBox
import android.widget.EditText
import com.android.systemui.R
/**
* Creates all dialogs for challengeValues that can occur from a call to
* [ControlsProviderService#performControlAction]. The types of challenge responses are listed in
* [ControlAction.ResponseResult].
*/
object ChallengeDialogs {
private const val WINDOW_TYPE = WindowManager.LayoutParams.TYPE_VOLUME_OVERLAY
private const val STYLE = android.R.style.Theme_DeviceDefault_Dialog_Alert
/**
* AlertDialogs to handle [ControlAction#RESPONSE_CHALLENGE_PIN] and
* [ControlAction#RESPONSE_CHALLENGE_PIN] responses, decided by the useAlphaNumeric
* parameter.
*/
fun createPinDialog(
cvh: ControlViewHolder,
useAlphaNumeric: Boolean,
useRetryStrings: Boolean,
onCancel: () -> Unit
): Dialog? {
val lastAction = cvh.lastAction
if (lastAction == null) {
Log.e(ControlsUiController.TAG,
"PIN Dialog attempted but no last action is set. Will not show")
return null
}
val res = cvh.context.resources
val (title, instructions) = if (useRetryStrings) {
Pair(
res.getString(R.string.controls_pin_wrong),
R.string.controls_pin_instructions_retry
)
} else {
Pair(
res.getString(R.string.controls_pin_verify, cvh.title.getText()),
R.string.controls_pin_instructions
)
}
return object : AlertDialog(cvh.context, STYLE) {
override fun dismiss() {
window?.decorView?.let {
// workaround for b/159309083
it.context.getSystemService(InputMethodManager::class.java)
?.hideSoftInputFromWindow(it.windowToken, 0)
}
super.dismiss()
}
}.apply {
setTitle(title)
setView(LayoutInflater.from(context).inflate(R.layout.controls_dialog_pin, null))
setButton(
DialogInterface.BUTTON_POSITIVE,
context.getText(android.R.string.ok),
DialogInterface.OnClickListener { dialog, _ ->
if (dialog is Dialog) {
dialog.requireViewById<EditText>(R.id.controls_pin_input)
val pin = dialog.requireViewById<EditText>(R.id.controls_pin_input)
.getText().toString()
cvh.action(addChallengeValue(lastAction, pin))
dialog.dismiss()
}
})
setButton(
DialogInterface.BUTTON_NEGATIVE,
context.getText(android.R.string.cancel),
DialogInterface.OnClickListener { dialog, _ ->
onCancel.invoke()
dialog.cancel()
}
)
getWindow().apply {
setType(WINDOW_TYPE)
setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE)
}
setOnShowListener(DialogInterface.OnShowListener { _ ->
val editText = requireViewById<EditText>(R.id.controls_pin_input)
editText.setHint(instructions)
val useAlphaCheckBox = requireViewById<CheckBox>(R.id.controls_pin_use_alpha)
useAlphaCheckBox.setChecked(useAlphaNumeric)
setInputType(editText, useAlphaCheckBox.isChecked())
requireViewById<CheckBox>(R.id.controls_pin_use_alpha).setOnClickListener { _ ->
setInputType(editText, useAlphaCheckBox.isChecked())
}
editText.requestFocus()
})
}
}
/**
* AlertDialogs to handle [ControlAction#RESPONSE_CHALLENGE_ACK] response type.
*/
fun createConfirmationDialog(cvh: ControlViewHolder, onCancel: () -> Unit): Dialog? {
val lastAction = cvh.lastAction
if (lastAction == null) {
Log.e(ControlsUiController.TAG,
"Confirmation Dialog attempted but no last action is set. Will not show")
return null
}
val builder = AlertDialog.Builder(cvh.context, STYLE).apply {
val res = cvh.context.resources
setTitle(res.getString(
R.string.controls_confirmation_message, cvh.title.getText()))
setPositiveButton(
android.R.string.ok,
DialogInterface.OnClickListener { dialog, _ ->
cvh.action(addChallengeValue(lastAction, "true"))
dialog.dismiss()
})
setNegativeButton(
android.R.string.cancel,
DialogInterface.OnClickListener { dialog, _ ->
onCancel.invoke()
dialog.cancel()
}
)
}
return builder.create().apply {
getWindow().apply {
setType(WINDOW_TYPE)
}
}
}
private fun setInputType(editText: EditText, useTextInput: Boolean) {
if (useTextInput) {
editText.setInputType(
InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD)
} else {
editText.setInputType(
InputType.TYPE_CLASS_NUMBER or InputType.TYPE_NUMBER_VARIATION_PASSWORD)
}
}
private fun addChallengeValue(action: ControlAction, challengeValue: String): ControlAction {
val id = action.getTemplateId()
return when (action) {
is BooleanAction -> BooleanAction(id, action.getNewState(), challengeValue)
is FloatAction -> FloatAction(id, action.getNewValue(), challengeValue)
is CommandAction -> CommandAction(id, challengeValue)
is ModeAction -> ModeAction(id, action.getNewMode(), challengeValue)
else -> throw IllegalStateException("'action' is not a known type: $action")
}
}
}
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