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/*
* Copyright 2018 Allan Wang
*
* 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 ca.allanwang.kau.animators
import android.view.ViewPropertyAnimator
import androidx.recyclerview.widget.RecyclerView
import ca.allanwang.kau.utils.KAU_BOTTOM
import ca.allanwang.kau.utils.KAU_RIGHT
/**
* Created by Allan Wang on 2017-06-27.
*/
open class KauAnimator(
val addAnimator: KauAnimatorAdd = SlideAnimatorAdd(KAU_BOTTOM),
val removeAnimator: KauAnimatorRemove = SlideAnimatorRemove(KAU_RIGHT),
val changeAnimator: KauAnimatorChange = FadeAnimatorChange()
) : BaseItemAnimator() {
open fun startDelay(holder: RecyclerView.ViewHolder, duration: Long, factor: Float) =
Math.max(0L, (holder.adapterPosition * duration * factor).toLong())
override fun removeAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
startDelay = startDelay(holder, removeDuration, removeAnimator.itemDelayFactor)
duration = removeDuration
interpolator = this@KauAnimator.interpolator
removeAnimator.animation(holder)()
}
}
override fun removeAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.apply { removeAnimator.animationCleanup(holder)() }
}
override fun getRemoveDelay(remove: Long, move: Long, change: Long): Long =
removeAnimator.getDelay(remove, move, change)
override fun addAnimationPrepare(holder: RecyclerView.ViewHolder) {
holder.itemView.apply { addAnimator.animationPrepare(holder)() }
}
override fun addAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
startDelay = startDelay(holder, addDuration, addAnimator.itemDelayFactor)
duration = addDuration
interpolator = this@KauAnimator.interpolator
addAnimator.animation(holder)()
}
}
override fun addAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.apply { addAnimator.animationCleanup(holder)() }
}
override fun getAddDelay(remove: Long, move: Long, change: Long): Long = addAnimator.getDelay(remove, move, change)
override fun changeOldAnimation(holder: RecyclerView.ViewHolder, changeInfo: ChangeInfo): ViewPropertyAnimator {
return holder.itemView.animate().apply {
duration = changeDuration
interpolator = this@KauAnimator.interpolator
changeAnimator.changeOldAnimation(holder, changeInfo)()
}
}
override fun changeNewAnimation(holder: RecyclerView.ViewHolder): ViewPropertyAnimator {
return holder.itemView.animate().apply {
duration = changeDuration
interpolator = this@KauAnimator.interpolator
changeAnimator.changeNewAnimation(holder)()
}
}
override fun changeAnimationCleanup(holder: RecyclerView.ViewHolder) {
holder.itemView.apply { changeAnimator.changeAnimationCleanup(holder)() }
}
}
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