de.base.utility.animators.SlideInUpAnimator.java Source code

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Here is the source code for de.base.utility.animators.SlideInUpAnimator.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 de.base.utility.animators;

import android.support.annotation.Nullable;
import android.support.v4.view.ViewCompat;
import android.support.v4.view.ViewPropertyAnimatorCompat;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.animation.Interpolator;

import eu.davidea.flexibleadapter.common.FlexibleItemAnimator;

public class SlideInUpAnimator extends FlexibleItemAnimator {

    public SlideInUpAnimator() {

    }

    public SlideInUpAnimator(Interpolator interpolator) {
        mInterpolator = interpolator;
    }

    @Override
    protected void animateRemoveImpl(final RecyclerView.ViewHolder holder, final int index) {
        animateRemove(holder.itemView, holder);
    }

    @Override
    protected boolean preAnimateAddImpl(final RecyclerView.ViewHolder holder) {
        ViewCompat.setTranslationY(holder.itemView, holder.itemView.getHeight());
        ViewCompat.setAlpha(holder.itemView, 0);
        return true;
    }

    @Override
    protected void animateAddImpl(final RecyclerView.ViewHolder holder, final int index) {
        animateAdd(holder.itemView, holder);
    }

    public void slideInUpSingleView(View view) {
        ViewCompat.setTranslationY(view, view.getHeight());
        ViewCompat.setAlpha(view, 0);
        animateAdd(view, null);
    }

    public void slideOutUpView(View view) {
        animateRemove(view, null);
    }

    private void animateRemove(View view, @Nullable RecyclerView.ViewHolder holder) {
        ViewPropertyAnimatorCompat viewAnimator = ViewCompat.animate(view).translationY(view.getHeight()).alpha(0)
                .setDuration(getRemoveDuration()).setInterpolator(mInterpolator);

        if (holder != null) {
            viewAnimator.setListener(new DefaultRemoveVpaListener(holder));
        }

        viewAnimator.start();
    }

    private void animateAdd(View view, @Nullable RecyclerView.ViewHolder holder) {
        ViewPropertyAnimatorCompat viewAnimator = ViewCompat.animate(view).translationY(0).alpha(1)
                .setDuration(getAddDuration()).setInterpolator(mInterpolator);

        if (holder != null) {
            viewAnimator.setListener(new DefaultAddVpaListener(holder));
        }

        viewAnimator.start();
    }

}