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1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *      http://www.apache.org/licenses/LICENSE-2.0
7 * Unless required by applicable law or agreed to in writing, software
8 * distributed under the License is distributed on an "AS IS" BASIS,
9 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
10 * See the License for the specific language governing permissions and
11 * limitations under the License.
12 */
13
14package android.support.v7.widget;
15
16import android.support.annotation.NonNull;
17
18import java.util.ArrayList;
19import java.util.List;
20import java.util.concurrent.CountDownLatch;
21import java.util.concurrent.TimeUnit;
22import android.support.v7.widget.BaseRecyclerViewAnimationsTest.AnimateDisappearance;
23import android.support.v7.widget.BaseRecyclerViewAnimationsTest.AnimateChange;
24import android.support.v7.widget.BaseRecyclerViewAnimationsTest.AnimatePersistence;
25import android.support.v7.widget.BaseRecyclerViewAnimationsTest.AnimateAppearance;
26
27public class LoggingItemAnimator extends DefaultItemAnimator {
28
29    final ArrayList<RecyclerView.ViewHolder> mAddVHs = new ArrayList<RecyclerView.ViewHolder>();
30
31    final ArrayList<RecyclerView.ViewHolder> mRemoveVHs = new ArrayList<RecyclerView.ViewHolder>();
32
33    final ArrayList<RecyclerView.ViewHolder> mMoveVHs = new ArrayList<RecyclerView.ViewHolder>();
34
35    final ArrayList<RecyclerView.ViewHolder> mChangeOldVHs = new ArrayList<RecyclerView.ViewHolder>();
36
37    final ArrayList<RecyclerView.ViewHolder> mChangeNewVHs = new ArrayList<RecyclerView.ViewHolder>();
38
39    List<AnimateAppearance> mAnimateAppearanceList = new ArrayList<>();
40    List<AnimateDisappearance> mAnimateDisappearanceList = new ArrayList<>();
41    List<AnimatePersistence> mAnimatePersistenceList = new ArrayList<>();
42    List<AnimateChange> mAnimateChangeList = new ArrayList<>();
43
44    CountDownLatch mWaitForPendingAnimations;
45
46    public boolean contains(RecyclerView.ViewHolder viewHolder,
47            List<? extends BaseRecyclerViewAnimationsTest.AnimateLogBase> list) {
48        for (BaseRecyclerViewAnimationsTest.AnimateLogBase log : list) {
49            if (log.viewHolder == viewHolder) {
50                return true;
51            }
52            if (log instanceof AnimateChange) {
53                if (((AnimateChange) log).newHolder == viewHolder) {
54                    return true;
55                }
56            }
57        }
58        return false;
59    }
60
61    @NonNull
62    @Override
63    public ItemHolderInfo recordPreLayoutInformation(@NonNull RecyclerView.State state,
64            @NonNull RecyclerView.ViewHolder viewHolder,
65            @AdapterChanges int changeFlags, @NonNull List<Object> payloads) {
66        BaseRecyclerViewAnimationsTest.LoggingInfo
67                loggingInfo = new BaseRecyclerViewAnimationsTest.LoggingInfo(viewHolder, changeFlags, payloads);
68        return loggingInfo;
69    }
70
71    @NonNull
72    @Override
73    public ItemHolderInfo recordPostLayoutInformation(@NonNull RecyclerView.State state,
74            @NonNull RecyclerView.ViewHolder viewHolder) {
75        BaseRecyclerViewAnimationsTest.LoggingInfo
76                loggingInfo = new BaseRecyclerViewAnimationsTest.LoggingInfo(viewHolder, 0, null);
77        return loggingInfo;
78    }
79
80
81    @Override
82    public boolean animateDisappearance(@NonNull RecyclerView.ViewHolder viewHolder,
83            @NonNull ItemHolderInfo preLayoutInfo, ItemHolderInfo postLayoutInfo) {
84        mAnimateDisappearanceList
85                .add(new AnimateDisappearance(viewHolder,
86                        (BaseRecyclerViewAnimationsTest.LoggingInfo) preLayoutInfo,
87                        (BaseRecyclerViewAnimationsTest.LoggingInfo) postLayoutInfo));
88        return super.animateDisappearance(viewHolder, preLayoutInfo, postLayoutInfo);
89    }
90
91    @Override
92    public boolean animateAppearance(@NonNull RecyclerView.ViewHolder viewHolder,
93            ItemHolderInfo preLayoutInfo,
94            @NonNull ItemHolderInfo postLayoutInfo) {
95        mAnimateAppearanceList
96                .add(new AnimateAppearance(viewHolder,
97                        (BaseRecyclerViewAnimationsTest.LoggingInfo) preLayoutInfo,
98                        (BaseRecyclerViewAnimationsTest.LoggingInfo) postLayoutInfo));
99        return super.animateAppearance(viewHolder, preLayoutInfo, postLayoutInfo);
100    }
101
102    @Override
103    public boolean animatePersistence(@NonNull RecyclerView.ViewHolder viewHolder,
104            @NonNull ItemHolderInfo preInfo,
105            @NonNull ItemHolderInfo postInfo) {
106        mAnimatePersistenceList
107                .add(new AnimatePersistence(viewHolder,
108                        (BaseRecyclerViewAnimationsTest.LoggingInfo) preInfo,
109                        (BaseRecyclerViewAnimationsTest.LoggingInfo) postInfo));
110        return super.animatePersistence(viewHolder, preInfo, postInfo);
111    }
112
113    @Override
114    public boolean animateChange(@NonNull RecyclerView.ViewHolder oldHolder,
115            @NonNull RecyclerView.ViewHolder newHolder, @NonNull ItemHolderInfo preInfo,
116            @NonNull ItemHolderInfo postInfo) {
117        mAnimateChangeList
118                .add(new AnimateChange(oldHolder, newHolder,
119                        (BaseRecyclerViewAnimationsTest.LoggingInfo) preInfo,
120                        (BaseRecyclerViewAnimationsTest.LoggingInfo) postInfo));
121        return super.animateChange(oldHolder, newHolder, preInfo, postInfo);
122    }
123
124    @Override
125    public void runPendingAnimations() {
126        if (mWaitForPendingAnimations != null) {
127            mWaitForPendingAnimations.countDown();
128        }
129        super.runPendingAnimations();
130    }
131
132    public void expectRunPendingAnimationsCall(int count) {
133        mWaitForPendingAnimations = new CountDownLatch(count);
134    }
135
136    public void waitForPendingAnimationsCall(int seconds) throws InterruptedException {
137        mWaitForPendingAnimations.await(seconds, TimeUnit.SECONDS);
138    }
139
140    @Override
141    public boolean animateAdd(RecyclerView.ViewHolder holder) {
142        mAddVHs.add(holder);
143        return super.animateAdd(holder);
144    }
145
146    @Override
147    public boolean animateRemove(RecyclerView.ViewHolder holder) {
148        mRemoveVHs.add(holder);
149        return super.animateRemove(holder);
150    }
151
152    @Override
153    public boolean animateMove(RecyclerView.ViewHolder holder, int fromX, int fromY,
154            int toX, int toY) {
155        mMoveVHs.add(holder);
156        return super.animateMove(holder, fromX, fromY, toX, toY);
157    }
158
159    @Override
160    public boolean animateChange(RecyclerView.ViewHolder oldHolder,
161            RecyclerView.ViewHolder newHolder, int fromX, int fromY, int toX, int toY) {
162        if (oldHolder != null) {
163            mChangeOldVHs.add(oldHolder);
164        }
165        if (newHolder != null) {
166            mChangeNewVHs.add(newHolder);
167        }
168        return super.animateChange(oldHolder, newHolder, fromX, fromY, toX, toY);
169    }
170
171    public void reset() {
172        mAddVHs.clear();
173        mRemoveVHs.clear();
174        mMoveVHs.clear();
175        mChangeOldVHs.clear();
176        mChangeNewVHs.clear();
177        mAnimateChangeList.clear();
178        mAnimatePersistenceList.clear();
179        mAnimateAppearanceList.clear();
180        mAnimateDisappearanceList.clear();
181    }
182}