CustomTouchViewGroup

abstract class ConstraintTouchEvent(
    context: Context,
    attrs: AttributeSet? = null,
    defStyleAttr: Int = 0
)  : ConstraintLayout(context, attrs, defStyleAttr) {


    abstract fun onClick() : () -> Unit
    abstract fun onLongClick() : () -> Unit

    private var timeDownAction: Long = DEFAULT_LONG
    private var timeUpAction: Long = DEFAULT_LONG
    private var timeDown = DEFAULT_LONG

    private var isClick = false
    private var isLongClick = false

    private var startDx = DEFAULT
    private var endDx = DEFAULT

    private var isNotSwiped = true

    override fun onTouchEvent(event: MotionEvent?): Boolean {
        val eventAction = event?.action
        isClick = false
        isLongClick = false
        timeDown = DEFAULT_LONG

        when (eventAction) {
            MotionEvent.ACTION_UP -> {
                timeUpAction = System.currentTimeMillis()

                val difference = abs(startDx - endDx)

                if(difference <= INFELICITY_SWIPE) {
                    startDx = DEFAULT
                    endDx = DEFAULT
                    isNotSwiped = true
                }

                val timeFocusing = timeUpAction - timeDownAction

                if (timeFocusing >= LONG_CLICK_TIME) {
                    isLongClick = true
                } else {
                    isClick = true
                }
            }
            MotionEvent.ACTION_DOWN -> {
                isNotSwiped = true
                timeDownAction = System.currentTimeMillis()
            }

            MotionEvent.ACTION_MOVE -> {
                if(startDx == DEFAULT) {
                    startDx = event.rawX
                } else {
                    endDx = max(endDx,event.rawX)
                }
                isNotSwiped = false
            }
        }

        if (isNotSwiped) {
            if (startDx != DEFAULT && endDx != DEFAULT) {
                startDx = DEFAULT
                endDx = DEFAULT
            } else {
                if (isLongClick) {
                    onLongClick().invoke()
                }
                if (isClick) {
                    onClick().invoke()
                }
            }
        }

        return true
    }

    private companion object {
        private const val LONG_CLICK_TIME = 600L

        private const val DEFAULT = -1.0f
        private const val DEFAULT_LONG = -1L
        private const val INFELICITY_SWIPE = 5.0f
    }

}