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owenclave / app/src/main/java/com/github/shadowsocks/plugin/obfs_local/ConfigActivity.kt
/*******************************************************************************
* *
* Copyright (C) 2019 by Max Lv *
* Copyright (C) 2019 by Mygod Studio *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program. If not, see . *
* *
*******************************************************************************/
package com.github.shadowsocks.plugin.obfs_local
import android.os.Bundle
import android.view.MenuItem
import androidx.activity.OnBackPressedCallback
import androidx.appcompat.app.AlertDialog
import androidx.appcompat.widget.Toolbar
import com.github.shadowsocks.plugin.ConfigurationActivity
import com.github.shadowsocks.plugin.PluginOptions
import io.nekohasekai.sagernet.R
class ConfigActivity : ConfigurationActivity(), Toolbar.OnMenuItemClickListener {
companion object {
const val KEY_DIRTY = "dirty"
}
private val child by lazy { supportFragmentManager.findFragmentById(R.id.content) as ConfigFragment }
private var oldOptions : PluginOptions? = null
override val onBackPressedCallback = object : OnBackPressedCallback(enabled = false) {
override fun handleOnBackPressed() {
onFinish()
}
}
var dirty = false
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.layout_obfs_local)
findViewById(R.id.toolbar).apply {
title = "Simple obfuscation"
setNavigationIcon(R.drawable.ic_navigation_close)
setNavigationOnClickListener { onFinish() }
inflateMenu(R.menu.plugin_menu)
setOnMenuItemClickListener(this@ConfigActivity)
}
savedInstanceState?.getBoolean(KEY_DIRTY)?.let {
dirty = it
onBackPressedCallback.isEnabled = it
}
}
override fun onSaveInstanceState(outState: Bundle) {
super.onSaveInstanceState(outState)
outState.putBoolean(KEY_DIRTY, dirty)
}
override fun onInitializePluginOptions(options: PluginOptions) {
oldOptions = options
child.onInitializePluginOptions(options)
}
override fun onMenuItemClick(item: MenuItem?) = when (item?.itemId) {
R.id.action_apply -> {
saveChanges(child.options)
finish()
true
}
else -> false
}
private fun onFinish() {
if (child.options != oldOptions) {
AlertDialog.Builder(this).run {
setTitle(R.string.unsaved_changes_prompt)
setPositiveButton(android.R.string.ok) { _, _ ->
saveChanges(child.options)
finish()
}
setNegativeButton(android.R.string.cancel) { _, _ ->
finish()
}
create()
}.show()
} else {
finish()
}
}
}