1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package com.android.settings.dashboard;
17
18import android.support.v4.view.ViewCompat;
19import android.support.v7.widget.DefaultItemAnimator;
20import android.support.v7.widget.RecyclerView.ViewHolder;
21import com.android.settingslib.drawer.Tile;
22
23public class DashboardItemAnimator extends DefaultItemAnimator {
24
25    @Override
26    public boolean animateChange(ViewHolder oldHolder, ViewHolder newHolder, int fromX, int fromY,
27            int toX, int toY) {
28        final Object tag = oldHolder.itemView.getTag();
29        if (tag instanceof Tile && oldHolder == newHolder) {
30            // When this view has other move animation running, skip this value to avoid
31            // animations interrupt each other.
32            if (!isRunning()) {
33                fromX += ViewCompat.getTranslationX(oldHolder.itemView);
34                fromY += ViewCompat.getTranslationY(oldHolder.itemView);
35            }
36
37            if (fromX == toX && fromY == toY) {
38                dispatchMoveFinished(oldHolder);
39                return false;
40            }
41        }
42        return super.animateChange(oldHolder, newHolder, fromX, fromY, toX, toY);
43    }
44}
45