me.ccrama.redditslide.Views.SubtleSlideInUp.java Source code

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Here is the source code for me.ccrama.redditslide.Views.SubtleSlideInUp.java

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package me.ccrama.redditslide.Views;

/**
 * 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.
 */

import android.content.Context;
import android.support.v4.view.ViewCompat;
import android.support.v7.widget.RecyclerView;
import android.util.DisplayMetrics;
import android.view.animation.Interpolator;

import jp.wasabeef.recyclerview.animators.BaseItemAnimator;

public class SubtleSlideInUp extends BaseItemAnimator {

    int offset;

    public SubtleSlideInUp(Context c) {
        offset = pxToDp(60, c);
    }

    public SubtleSlideInUp(Interpolator interpolator, Context c) {
        mInterpolator = interpolator;
        offset = pxToDp(20, c);

    }

    @Override
    protected void animateRemoveImpl(final RecyclerView.ViewHolder holder) {
        ViewCompat.animate(holder.itemView).translationY(offset).setDuration(getRemoveDuration())
                .setInterpolator(mInterpolator).setListener(new DefaultRemoveVpaListener(holder)).start();
    }

    @Override
    protected void preAnimateAddImpl(RecyclerView.ViewHolder holder) {
        ViewCompat.setTranslationY(holder.itemView, offset);
    }

    @Override
    protected void animateAddImpl(final RecyclerView.ViewHolder holder) {
        ViewCompat.animate(holder.itemView).translationY(0).setDuration(getAddDuration())
                .setInterpolator(mInterpolator).setListener(new DefaultAddVpaListener(holder)).start();
    }

    public int pxToDp(int px, Context c) {
        DisplayMetrics displayMetrics = c.getResources().getDisplayMetrics();
        int dp = Math.round(px / (displayMetrics.xdpi / DisplayMetrics.DENSITY_DEFAULT));
        return dp;
    }
}