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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
/**
* 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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