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/*
* Copyright © 2017-2019 WireGuard LLC. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0
*/
package com.wireguard.android.fragment
import android.app.Dialog
import android.content.DialogInterface
import android.os.Bundle
import android.view.View
import android.view.inputmethod.InputMethodManager
import androidx.annotation.IdRes
import androidx.appcompat.app.AlertDialog
import androidx.core.content.getSystemService
import androidx.fragment.app.DialogFragment
import androidx.lifecycle.lifecycleScope
import com.google.android.material.textfield.TextInputEditText
import com.wireguard.android.Application
import com.wireguard.android.R
import com.wireguard.android.databinding.ConfigNamingDialogFragmentBinding
import com.wireguard.config.BadConfigException
import com.wireguard.config.Config
import kotlinx.coroutines.launch
import java.io.ByteArrayInputStream
import java.io.IOException
import java.nio.charset.StandardCharsets
class ConfigNamingDialogFragment : DialogFragment() {
private var binding: ConfigNamingDialogFragmentBinding? = null
private var config: Config? = null
private var imm: InputMethodManager? = null
private fun createTunnelAndDismiss() {
binding?.let {
val name = it.tunnelNameText.text.toString()
lifecycleScope.launch {
try {
Application.getTunnelManager().create(name, config)
dismiss()
} catch (e: Throwable) {
it.tunnelNameTextLayout.error = e.message
}
}
}
}
override fun dismiss() {
setKeyboardVisible(false)
super.dismiss()
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val configText = requireArguments().getString(KEY_CONFIG_TEXT)
val configBytes = configText!!.toByteArray(StandardCharsets.UTF_8)
config = try {
Config.parse(ByteArrayInputStream(configBytes))
} catch (e: Throwable) {
when (e) {
is BadConfigException, is IOException -> throw IllegalArgumentException("Invalid config passed to ${javaClass.simpleName}", e)
else -> throw e
}
}
}
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
val activity = requireActivity()
imm = activity.getSystemService()
val alertDialogBuilder = AlertDialog.Builder(activity)
alertDialogBuilder.setTitle(R.string.import_from_qr_code)
binding = ConfigNamingDialogFragmentBinding.inflate(activity.layoutInflater, null, false)
binding?.apply {
executePendingBindings()
alertDialogBuilder.setView(root)
}
alertDialogBuilder.setPositiveButton(R.string.create_tunnel, null)
alertDialogBuilder.setNegativeButton(R.string.cancel) { _, _ -> dismiss() }
return alertDialogBuilder.create().apply {
setOnShowListener {
findViewById<TextInputEditText>(R.id.tunnel_name_text)?.apply {
setOnFocusChangeListener { v, _ ->
v.post {
imm?.showSoftInput(v, InputMethodManager.SHOW_IMPLICIT)
}
}
requestFocus()
}
}
}
}
override fun onResume() {
super.onResume()
val dialog = dialog as AlertDialog?
if (dialog != null) {
dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener { createTunnelAndDismiss() }
setKeyboardVisible(true)
}
}
private fun setKeyboardVisible(visible: Boolean) {
if (visible) {
imm!!.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0)
} else if (binding != null) {
imm!!.hideSoftInputFromWindow(binding!!.tunnelNameText.windowToken, 0)
}
}
companion object {
private const val KEY_CONFIG_TEXT = "config_text"
@JvmStatic
fun newInstance(configText: String?): ConfigNamingDialogFragment {
val extras = Bundle()
extras.putString(KEY_CONFIG_TEXT, configText)
val fragment = ConfigNamingDialogFragment()
fragment.arguments = extras
return fragment
}
}
}
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