eu.davidea.samples.flexibleadapter.animators.OvershootInLeftAnimator.java Source code

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Here is the source code for eu.davidea.samples.flexibleadapter.animators.OvershootInLeftAnimator.java

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/*
 * Copyright (C) 2015 Wasabeef
 *
 * 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 eu.davidea.samples.flexibleadapter.animators;

import android.support.v4.view.ViewCompat;
import android.support.v7.widget.RecyclerView;
import android.view.animation.OvershootInterpolator;

import eu.davidea.flexibleadapter.common.FlexibleItemAnimator;

public class OvershootInLeftAnimator extends FlexibleItemAnimator {

    private final float mTension;

    public OvershootInLeftAnimator() {
        mTension = 2.0f;
    }

    public OvershootInLeftAnimator(float mTension) {
        this.mTension = mTension;
    }

    @Override
    protected void animateRemoveImpl(final RecyclerView.ViewHolder holder, final int index) {
        ViewCompat.animate(holder.itemView).translationX(-holder.itemView.getRootView().getWidth())
                .setDuration(getRemoveDuration()).setListener(new DefaultRemoveVpaListener(holder)).start();
    }

    @Override
    protected boolean preAnimateAddImpl(final RecyclerView.ViewHolder holder) {
        ViewCompat.setTranslationX(holder.itemView, -holder.itemView.getRootView().getWidth());
        return true;
    }

    @Override
    protected void animateAddImpl(final RecyclerView.ViewHolder holder, final int index) {
        ViewCompat.animate(holder.itemView).translationX(0).setDuration(getAddDuration())
                .setListener(new DefaultAddVpaListener(holder)).setInterpolator(new OvershootInterpolator(mTension))
                .start();
    }

}