/**
 * Copyright (C) 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * ```
 *      http://www.apache.org/licenses/LICENSE-2.0
 * ```
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.android.healthconnect.controller.shared

import android.content.Context
import android.graphics.Canvas
import android.graphics.Path
import android.util.AttributeSet
import android.widget.FrameLayout

/** A view allowing to display content as round. */
class RoundView
@JvmOverloads
constructor(
    context: Context,
    attrs: AttributeSet? = null,
    defStyleAttr: Int = 0,
    defStyleRes: Int = 0,
) : FrameLayout(context, attrs, defStyleAttr, defStyleRes) {

    private var clippingPath: Path = Path()

    init {
        setWillNotDraw(false)
    }

    override fun onDraw(canvas: Canvas) {
        super.onDraw(canvas)
        canvas.clipPath(clippingPath)
    }

    override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
        clippingPath = Path()
        clippingPath.addOval(0f, 0f, w.toFloat(), h.toFloat(), Path.Direction.CCW)
    }
}