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package ca.allanwang.kau.animators
import android.support.v7.widget.RecyclerView
import android.view.ViewPropertyAnimator
/**
* Created by Allan Wang on 2017-06-29.
*/
open class FadeScaleAnimator(val scaleFactor: Float = 0.7f, itemDelayFactor: Float = 0.125f) : BaseDelayAnimator(itemDelayFactor) {
override fun addAnimationPrepare(holder: RecyclerView.ViewHolder) {
with(holder.itemView) {
scaleX = scaleFactor
scaleY = scaleFactor
alpha = 0f
}
}
override final fun addAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return super.addAnimation(holder).apply {
scaleX(1f)
scaleY(1f)
alpha(1f)
}
}
final override fun addAnimationCleanup(holder: RecyclerView.ViewHolder) {
with(holder.itemView) {
scaleX = 1f
scaleY = 1f
alpha = 1f
}
}
override fun removeAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return super.removeAnimation(holder).apply {
scaleX(scaleFactor)
scaleY(scaleFactor)
alpha(0f)
}
}
override final fun removeAnimationCleanup(holder: RecyclerView.ViewHolder) {
with(holder.itemView) {
translationY = 0f
translationX = 0f
alpha = 1f
}
}
}
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