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owenclave / app/src/main/java/io/nekohasekai/sagernet/widget/ReselectableSpinner.kt
/******************************************************************************
* *
* Copyright (C) 2026 starifly *
* *
* 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.appcompat.widget.AppCompatSpinner
class ReselectableSpinner @JvmOverloads constructor(
context: Context, attrs: AttributeSet? = null
) : AppCompatSpinner(context, attrs) {
var onPopupClosed: (() -> Unit)? = null
override fun onWindowFocusChanged(hasWindowFocus: Boolean) {
super.onWindowFocusChanged(hasWindowFocus)
if (hasWindowFocus) onPopupClosed?.invoke()
}
override fun setSelection(position: Int) {
val reselected = position == selectedItemPosition
super.setSelection(position)
if (reselected) notifyReselected(position)
}
override fun setSelection(position: Int, animate: Boolean) {
val reselected = position == selectedItemPosition
super.setSelection(position, animate)
if (reselected) notifyReselected(position)
}
private fun notifyReselected(position: Int) {
if (position < 0) return
onItemSelectedListener?.onItemSelected(
this, selectedView, position, adapter?.getItemId(position) ?: -1L
)
}
}