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package com.pitchedapps.frost.views
import android.animation.Animator
import android.animation.AnimatorListenerAdapter
import android.view.View
import android.view.ViewAnimationUtils
import android.view.animation.Animation
import android.view.animation.AnimationUtils
import android.view.animation.DecelerateInterpolator
/**
* Created by Allan Wang on 2017-06-01.
*/
fun View.rootCircularReveal(x: Int = 0, y: Int = 0, duration: Long = 500L, onStart: (() -> Unit)? = null, onFinish: (() -> Unit)? = null) {
this.addOnLayoutChangeListener(object : View.OnLayoutChangeListener {
override fun onLayoutChange(v: View, left: Int, top: Int, right: Int, bottom: Int, oldLeft: Int, oldTop: Int,
oldRight: Int, oldBottom: Int) {
v.removeOnLayoutChangeListener(this)
var x2 = x
var y2 = y
if (x2 > right) x2 = 0
if (y2 > bottom) y2 = 0
val radius = Math.hypot(Math.max(x2, right - x2).toDouble(), Math.max(y2, bottom - y2).toDouble()).toInt()
val reveal = ViewAnimationUtils.createCircularReveal(v, x2, y2, 0f, radius.toFloat())
reveal.interpolator = DecelerateInterpolator(1f)
reveal.duration = duration
reveal.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationStart(animation: Animator?) {
visibility = View.VISIBLE
onStart?.invoke()
}
override fun onAnimationEnd(animation: Animator?) = onFinish?.invoke() ?: Unit
override fun onAnimationCancel(animation: Animator?) = onFinish?.invoke() ?: Unit
})
reveal.start()
}
})
}
fun View.circularReveal(x: Int = 0, y: Int = 0, offset: Long = 0L, radius: Float = -1.0f, duration: Long = 500L, onStart: (() -> Unit)? = null, onFinish: (() -> Unit)? = null) {
if (!isAttachedToWindow) {
visibility = View.VISIBLE
return
}
var r = radius
if (r < 0.0f) {
r = Math.max(Math.hypot(x.toDouble(), y.toDouble()), Math.hypot((width - x.toDouble()), (height - y.toDouble()))).toFloat()
}
val anim = ViewAnimationUtils.createCircularReveal(this, x, y, 0f, r).setDuration(duration)
anim.startDelay = offset
anim.addListener(object : AnimatorListenerAdapter() {
override fun onAnimationStart(animation: Animator?) {
visibility = View.VISIBLE
onStart?.invoke()
}
override fun onAnimationEnd(animation: Animator?) = onFinish?.invoke() ?: Unit
override fun onAnimationCancel(animation: Animator?) = onFinish?.invoke() ?: Unit
})
anim.start()
}
fun View.fadeIn(offset: Long = 0L, duration: Long = 200L, onStart: (() -> Unit)? = null, onFinish: (() -> Unit)? = null) {
if (!isAttachedToWindow) {
visibility = View.VISIBLE
return
}
if (isAttachedToWindow) {
val anim = AnimationUtils.loadAnimation(context, android.R.anim.fade_in)
anim.startOffset = offset
anim.duration = duration
anim.setAnimationListener(object : Animation.AnimationListener {
override fun onAnimationRepeat(animation: Animation?) {}
override fun onAnimationEnd(animation: Animation?) = onFinish?.invoke() ?: Unit
override fun onAnimationStart(animation: Animation?) {
visibility = View.VISIBLE
onStart?.invoke()
}
})
startAnimation(anim)
}
}
fun View.fadeOut(offset: Long = 0L, duration: Long = 200L, onStart: (() -> Unit)? = null, onFinish: (() -> Unit)? = null) {
if (!isAttachedToWindow) {
visibility = View.INVISIBLE
return
}
val anim = AnimationUtils.loadAnimation(context, android.R.anim.fade_out)
anim.startOffset = offset
anim.duration = duration
anim.setAnimationListener(object : Animation.AnimationListener {
override fun onAnimationRepeat(animation: Animation?) {}
override fun onAnimationEnd(animation: Animation?) {
visibility = View.INVISIBLE
onFinish?.invoke()
}
override fun onAnimationStart(animation: Animation?) {
onStart?.invoke()
}
})
startAnimation(anim)
}
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