/
TimelineAdapter.java
123 lines (100 loc) · 3.57 KB
/
TimelineAdapter.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/*
* Copyright (c) 2017 Nam Nguyen, nam@ene.im
*
* 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 im.ene.toro.sample.facebook.timeline;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.recyclerview.widget.RecyclerView;
import im.ene.toro.CacheManager;
import im.ene.toro.sample.facebook.data.FbItem;
import im.ene.toro.sample.facebook.data.FbUser;
import im.ene.toro.sample.facebook.data.FbVideo;
import java.util.ArrayList;
import java.util.List;
/**
* @author eneim | 6/18/17.
*/
@SuppressWarnings({ "unused", "WeakerAccess" }) //
public class TimelineAdapter extends RecyclerView.Adapter<TimelineViewHolder>
implements CacheManager {
private static final String TAG = "Toro:Fb:Adapter";
static final int TYPE_OTHER = 1;
static final int TYPE_VIDEO = 2;
private final List<FbItem> items = new ArrayList<>();
private final long initTimeStamp;
@Nullable private Callback callback;
TimelineAdapter(long initTimeStamp) {
super();
this.initTimeStamp = initTimeStamp;
setHasStableIds(true);
}
public void setCallback(@Nullable Callback callback) {
this.callback = callback;
}
@Override public long getItemId(int position) {
return position;
}
@NonNull @Override
public TimelineViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
final TimelineViewHolder viewHolder = TimelineViewHolder.createViewHolder(parent, viewType);
viewHolder.setClickListener(v -> {
int pos = viewHolder.getAdapterPosition();
if (callback != null && pos != RecyclerView.NO_POSITION) {
callback.onItemClick(viewHolder, v, getItem(pos), pos);
}
});
return viewHolder;
}
@Override public int getItemViewType(int position) {
FbItem item = getItem(position);
return item instanceof FbVideo ? TYPE_VIDEO : TYPE_OTHER;
}
@Override public void onBindViewHolder(@NonNull TimelineViewHolder holder, int position) {
holder.bind(this, getItem(position), null);
}
@Override public void onViewRecycled(@NonNull TimelineViewHolder holder) {
holder.onRecycled();
}
@Override public int getItemCount() {
return Integer.MAX_VALUE;
}
public FbItem getItem(int position) {
if (position >= items.size()) {
for (int i = items.size(); i <= position; i++) {
final FbItem item;
if (i % 4 != 0) {
item = new FbItem(FbUser.getUser(), i, initTimeStamp + i * 60_000);
} else {
item = FbVideo.getItem(i, i, initTimeStamp + i * 60_000);
}
items.add(item);
}
}
return items.get(position);
}
static abstract class Callback {
abstract void onItemClick(@NonNull TimelineViewHolder viewHolder, @NonNull View view,
@NonNull FbItem item, int position);
}
// Implement the CacheManager;
@NonNull @Override public Object getKeyForOrder(int order) {
return getItem(order);
}
@Nullable @Override public Integer getOrderForKey(@NonNull Object key) {
return key instanceof FbItem ? items.indexOf(key) : null;
}
}