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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.content.Intent
import android.os.Bundle
import android.widget.Toast
import androidx.appcompat.app.AlertDialog
import androidx.fragment.app.DialogFragment
import androidx.fragment.app.Fragment
import com.wireguard.android.Application
import com.wireguard.android.R
import com.wireguard.android.databinding.AppListDialogFragmentBinding
import com.wireguard.android.model.ApplicationData
import com.wireguard.android.util.ErrorMessages
import com.wireguard.android.util.ObservableKeyedArrayList
import com.wireguard.android.util.ObservableKeyedList
class AppListDialogFragment : DialogFragment() {
private val appData: ObservableKeyedList<String, ApplicationData> = ObservableKeyedArrayList()
private var currentlyExcludedApps = emptyList<String>()
private fun loadData() {
val activity = activity ?: return
val pm = activity.packageManager
Application.getAsyncWorker().supplyAsync<List<ApplicationData>> {
val launcherIntent = Intent(Intent.ACTION_MAIN, null)
launcherIntent.addCategory(Intent.CATEGORY_LAUNCHER)
val resolveInfos = pm.queryIntentActivities(launcherIntent, 0)
val applicationData: MutableList<ApplicationData> = ArrayList()
resolveInfos.forEach {
val packageName = it.activityInfo.packageName
applicationData.add(ApplicationData(it.loadIcon(pm), it.loadLabel(pm).toString(), packageName, currentlyExcludedApps.contains(packageName)))
}
applicationData.sortWith(compareBy(String.CASE_INSENSITIVE_ORDER) { it.name })
applicationData
}.whenComplete { data, throwable ->
if (data != null) {
appData.clear()
appData.addAll(data)
} else {
val error = ErrorMessages.get(throwable)
val message = activity.getString(R.string.error_fetching_apps, error)
Toast.makeText(activity, message, Toast.LENGTH_LONG).show()
dismissAllowingStateLoss()
}
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
val excludedApps = requireArguments().getStringArrayList(KEY_EXCLUDED_APPS)
currentlyExcludedApps = (excludedApps ?: emptyList())
}
override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
val alertDialogBuilder = AlertDialog.Builder(requireActivity())
alertDialogBuilder.setTitle(R.string.excluded_applications)
val binding = AppListDialogFragmentBinding.inflate(requireActivity().layoutInflater, null, false)
binding.executePendingBindings()
alertDialogBuilder.setView(binding.root)
alertDialogBuilder.setPositiveButton(R.string.set_exclusions) { _, _ -> setExclusionsAndDismiss() }
alertDialogBuilder.setNegativeButton(R.string.cancel) { dialog, _ -> dialog.dismiss() }
alertDialogBuilder.setNeutralButton(R.string.toggle_all) { _, _ -> }
binding.fragment = this
binding.appData = appData
loadData()
val dialog = alertDialogBuilder.create()
dialog.setOnShowListener {
dialog.getButton(DialogInterface.BUTTON_NEUTRAL).setOnClickListener {
val selectedItems = appData
.filter { it.isExcludedFromTunnel }
val excludeAll = selectedItems.isEmpty()
appData.forEach {
it.isExcludedFromTunnel = excludeAll
}
}
}
return dialog
}
private fun setExclusionsAndDismiss() {
val excludedApps: MutableList<String> = ArrayList()
for (data in appData) {
if (data.isExcludedFromTunnel) {
excludedApps.add(data.packageName)
}
}
(targetFragment as AppExclusionListener?)!!.onExcludedAppsSelected(excludedApps)
dismiss()
}
interface AppExclusionListener {
fun onExcludedAppsSelected(excludedApps: List<String>)
}
companion object {
private const val KEY_EXCLUDED_APPS = "excludedApps"
fun <T> newInstance(excludedApps: ArrayList<String?>?, target: T): AppListDialogFragment where T : Fragment?, T : AppExclusionListener? {
val extras = Bundle()
extras.putStringArrayList(KEY_EXCLUDED_APPS, excludedApps)
val fragment = AppListDialogFragment()
fragment.setTargetFragment(target, 0)
fragment.arguments = extras
return fragment
}
}
}
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