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package ca.allanwang.kau.animators
import android.support.v7.widget.RecyclerView
import android.view.ViewPropertyAnimator
/**
* Created by Allan Wang on 2017-06-27.
*/
open class DefaultAnimator : BaseItemAnimator() {
override fun removeAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
alpha(0f)
duration = this@DefaultAnimator.removeDuration
interpolator = this@DefaultAnimator.interpolator
}
}
override fun removeAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.alpha = 1f
}
override fun addAnimationPrepare(holder: RecyclerView.ViewHolder) {
holder.itemView.alpha = 0f
}
override fun addAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
alpha(1f)
duration = this@DefaultAnimator.addDuration
interpolator = this@DefaultAnimator.interpolator
}
}
override fun addAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.alpha = 1f
}
override fun changeOldAnimation(holder: RecyclerView.ViewHolder, changeInfo: ChangeInfo): ViewPropertyAnimator {
return holder.itemView.animate().apply {
alpha(0f)
translationX(changeInfo.toX.toFloat() - changeInfo.fromX)
translationY(changeInfo.toY.toFloat() - changeInfo.fromY)
duration = this@DefaultAnimator.changeDuration
interpolator = this@DefaultAnimator.interpolator
}
}
override fun changeNewAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
alpha(1f)
translationX(0f)
translationY(0f)
duration = this@DefaultAnimator.changeDuration
interpolator = this@DefaultAnimator.interpolator
}
}
override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.alpha = 1f
}
}
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