View.kt

/*
 * Copyright (c) 2025 Danilo Mendes <danilodanicomendes@gmail.com>
 * Copyright (c) 2026 David Allison <davidallisongithub@gmail.com>
 *
 * 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 <http://www.gnu.org/licenses/>.
 */

package com.ichi2.anki.utils.ext

import android.content.res.ColorStateList
import android.graphics.Rect
import android.view.MotionEvent
import android.view.View
import com.google.android.material.color.MaterialColors

fun View.isTouchWithinBounds(event: MotionEvent): Boolean {
    val rect = Rect().apply { getDrawingRect(this) }
    return rect.contains((left + event.x).toInt(), (top + event.y).toInt())
}

/** Tints the background to [color] at the given opacity (0f..1f) */
fun View.setBackgroundTint(
    color: Int,
    alpha: Float,
) {
    backgroundTintList =
        ColorStateList.valueOf(
            MaterialColors.compositeARGBWithAlpha(color, (alpha * 255).toInt()),
        )
}