owenclave / app/src/main/java/io/nekohasekai/sagernet/widget/ReselectableSpinner.kt

github - dev - back to tree - upstream
/****************************************************************************** * * * 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 ) } }