____ _ _______ __
/ __ \ | /| / / __/ |/ /
/ /_/ / |/ |/ / _// /
\____/|__/|__/___/_||_/
owenclave / app/src/main/java/io/nekohasekai/sagernet/widget/LinkOrContentPreference.kt
/******************************************************************************
* *
* Copyright (C) 2021 by nekohasekai *
* *
* 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 io.nekohasekai.sagernet.widget
import android.content.Context
import android.util.AttributeSet
import androidx.core.widget.addTextChangedListener
import com.google.android.material.textfield.TextInputLayout
import io.nekohasekai.sagernet.R
import io.nekohasekai.sagernet.ktx.readableMessage
import androidx.core.net.toUri
import androidx.preference.EditTextPreference
class LinkOrContentPreference : EditTextPreference {
constructor(context: Context) : super(context)
constructor(context: Context, attrs: AttributeSet?) : super(context, attrs)
constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(
context, attrs, defStyleAttr
)
constructor(
context: Context, attrs: AttributeSet?, defStyleAttr: Int, defStyleRes: Int
) : super(context, attrs, defStyleAttr, defStyleRes)
init {
dialogLayoutResource = R.layout.layout_link_dialog
setOnBindEditTextListener {
val linkLayout = it.rootView.findViewById(R.id.input_layout)
fun validate() {
val link = it.text
if (link.isEmpty()) {
linkLayout.isErrorEnabled = false
return
}
try {
if (link.toString().contains("\n")) {
error("invalid url")
}
val uri = link.toString().toUri()
if (uri.scheme.isNullOrBlank()) {
error("Missing scheme in url")
} else if (uri.scheme?.lowercase() == "content") {
linkLayout.isErrorEnabled = false
return
} else if (uri.scheme?.lowercase() == "http") {
linkLayout.error = context.getString(R.string.cleartext_http_warning)
linkLayout.isErrorEnabled = true
} else if (uri.scheme?.lowercase() != "https") {
error("Invalid scheme ${uri.scheme}")
} else {
linkLayout.isErrorEnabled = false
}
} catch (e: Exception) {
linkLayout.error = e.readableMessage
linkLayout.isErrorEnabled = true
}
}
validate()
it.addTextChangedListener {
validate()
}
}
}
}