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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package mozilla.lockbox.extensions.view
import android.content.Context
import android.content.DialogInterface
import androidx.annotation.StringRes
import androidx.appcompat.app.AlertDialog
import io.reactivex.Observable
import io.reactivex.subjects.PublishSubject
import io.reactivex.subjects.Subject
import mozilla.lockbox.R
import mozilla.lockbox.model.DialogViewModel
enum class AlertState {
BUTTON_POSITIVE, BUTTON_NEGATIVE
}
object AlertDialogHelper {
fun showAlertDialog(
context: Context,
viewModel: DialogViewModel
): Observable<AlertState> {
val subject = PublishSubject.create<AlertState>()
val builder = AlertDialog.Builder(context, R.style.DeleteDialogStyle)
viewModel.title?.let {
val titleString = context.getString(it)
if (titleString.contains("%1\$s")) {
val appName = context.getString(R.string.app_name)
builder.setTitle(String.format(titleString, appName))
} else {
builder.setTitle(it)
}
}
viewModel.message?.let {
val titleString = context.getString(it)
if (titleString.contains("%1\$s")) {
val appName = context.getString(R.string.app_name)
builder.setMessage(String.format(titleString, appName))
} else {
builder.setMessage(it)
}
}
viewModel.positiveButtonTitle?.let {
builder.setPositiveButton(it) { _, _ ->
subject.onNext(AlertState.BUTTON_POSITIVE)
}
}
viewModel.negativeButtonTitle?.let {
builder.setNegativeButton(it) { _, _ ->
subject.onNext(AlertState.BUTTON_NEGATIVE)
}
}
setUpDismissal(builder, subject)
val dialog = builder.create()
val defaultColor = context.getColor(R.color.violet_70)
dialog.show()
if (viewModel.isDestructive) {
val destructiveColor = context.getColor(R.color.red)
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setTextColor(destructiveColor)
} else {
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setTextColor(defaultColor)
}
dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setTextColor(defaultColor)
return setUpDisposal(dialog, subject)
}
fun showRadioAlertDialog(
context: Context,
@StringRes title: Int? = null,
items: Array<Int>,
checkedItem: Int,
@StringRes positiveButtonTitle: Int? = null,
@StringRes negativeButtonTitle: Int? = null
): Observable<Int> {
val subject = PublishSubject.create<Int>()
val builder = AlertDialog.Builder(context, R.style.AlertDialogStyle)
title?.let { builder.setTitle(it) }
val stringItems = items.map { context.getString(it) }.toTypedArray()
positiveButtonTitle?.let {
builder.setPositiveButton(positiveButtonTitle) { _, _ -> }
}
negativeButtonTitle?.let {
builder.setNegativeButton(negativeButtonTitle) { _, _ -> }
}
builder.setSingleChoiceItems(stringItems, checkedItem) { dialog, which ->
subject.onNext(which)
dialog.dismiss()
}
setUpDismissal(builder, subject)
val dialog = builder.create()
dialog.show()
return setUpDisposal(dialog, subject)
}
private fun <T> setUpDisposal(dialog: AlertDialog, observable: Observable<T>) =
observable.doOnDispose {
if (dialog.isShowing) {
dialog.dismiss()
}
}
private fun <T : Any> setUpDismissal(
builder: AlertDialog.Builder,
subject: Subject<T>
) {
builder.setOnDismissListener {
// make sure to complete / dispose of observer when the dialog is no longer shown
subject.onComplete()
}
}
}