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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* 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 android.slice.views;
import android.content.Context;
import android.slice.Slice;
import android.slice.SliceItem;
import android.slice.SliceQuery;
import android.slice.views.LargeSliceAdapter.SliceViewHolder;
import android.util.ArrayMap;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.FrameLayout;
import com.android.internal.R;
import com.android.internal.widget.RecyclerView;
import com.android.internal.widget.RecyclerView.ViewHolder;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
/**
* @hide
*/
public class LargeSliceAdapter extends RecyclerView.Adapter<SliceViewHolder> {
public static final int TYPE_DEFAULT = 1;
public static final int TYPE_HEADER = 2;
public static final int TYPE_GRID = 3;
public static final int TYPE_MESSAGE = 4;
public static final int TYPE_MESSAGE_LOCAL = 5;
public static final int TYPE_REMOTE_VIEWS = 6;
private final IdGenerator mIdGen = new IdGenerator();
private final Context mContext;
private List<SliceWrapper> mSlices = new ArrayList<>();
private SliceItem mColor;
public LargeSliceAdapter(Context context) {
mContext = context;
setHasStableIds(true);
}
/**
* Set the {@link SliceItem}'s to be displayed in the adapter and the accent color.
*/
public void setSliceItems(List<SliceItem> slices, SliceItem color) {
mColor = color;
mIdGen.resetUsage();
mSlices = slices.stream().map(s -> new SliceWrapper(s, mIdGen))
.collect(Collectors.toList());
notifyDataSetChanged();
}
@Override
public SliceViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = inflateforType(viewType);
v.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
return new SliceViewHolder(v);
}
@Override
public int getItemViewType(int position) {
return mSlices.get(position).mType;
}
@Override
public long getItemId(int position) {
return mSlices.get(position).mId;
}
@Override
public int getItemCount() {
return mSlices.size();
}
@Override
public void onBindViewHolder(SliceViewHolder holder, int position) {
SliceWrapper slice = mSlices.get(position);
if (holder.mSliceView != null) {
holder.mSliceView.setColor(mColor);
holder.mSliceView.setSliceItem(slice.mItem);
} else if (slice.mType == TYPE_REMOTE_VIEWS) {
FrameLayout frame = (FrameLayout) holder.itemView;
frame.removeAllViews();
frame.addView(slice.mItem.getRemoteView().apply(mContext, frame));
}
}
private View inflateforType(int viewType) {
switch (viewType) {
case TYPE_REMOTE_VIEWS:
return new FrameLayout(mContext);
case TYPE_GRID:
return LayoutInflater.from(mContext).inflate(R.layout.slice_grid, null);
case TYPE_MESSAGE:
return LayoutInflater.from(mContext).inflate(R.layout.slice_message, null);
case TYPE_MESSAGE_LOCAL:
return LayoutInflater.from(mContext).inflate(R.layout.slice_message_local, null);
}
return new SmallTemplateView(mContext);
}
protected static class SliceWrapper {
private final SliceItem mItem;
private final int mType;
private final long mId;
public SliceWrapper(SliceItem item, IdGenerator idGen) {
mItem = item;
mType = getType(item);
mId = idGen.getId(item);
}
public static int getType(SliceItem item) {
if (item.getType() == SliceItem.TYPE_REMOTE_VIEW) {
return TYPE_REMOTE_VIEWS;
}
if (item.hasHint(Slice.HINT_MESSAGE)) {
// TODO: Better way to determine me or not? Something more like Messaging style.
if (SliceQuery.find(item, -1, Slice.HINT_SOURCE, null) != null) {
return TYPE_MESSAGE;
} else {
return TYPE_MESSAGE_LOCAL;
}
}
if (item.hasHint(Slice.HINT_HORIZONTAL)) {
return TYPE_GRID;
}
return TYPE_DEFAULT;
}
}
/**
* A {@link ViewHolder} for presenting slices in {@link LargeSliceAdapter}.
*/
public static class SliceViewHolder extends ViewHolder {
public final SliceListView mSliceView;
public SliceViewHolder(View itemView) {
super(itemView);
mSliceView = itemView instanceof SliceListView ? (SliceListView) itemView : null;
}
}
/**
* View slices being displayed in {@link LargeSliceAdapter}.
*/
public interface SliceListView {
/**
* Set the slice item for this view.
*/
void setSliceItem(SliceItem slice);
/**
* Set the color for the items in this view.
*/
default void setColor(SliceItem color) {
}
}
private static class IdGenerator {
private long mNextLong = 0;
private final ArrayMap<String, Long> mCurrentIds = new ArrayMap<>();
private final ArrayMap<String, Integer> mUsedIds = new ArrayMap<>();
public long getId(SliceItem item) {
String str = genString(item);
if (!mCurrentIds.containsKey(str)) {
mCurrentIds.put(str, mNextLong++);
}
long id = mCurrentIds.get(str);
int index = mUsedIds.getOrDefault(str, 0);
mUsedIds.put(str, index + 1);
return id + index * 10000;
}
private String genString(SliceItem item) {
StringBuilder builder = new StringBuilder();
SliceQuery.stream(item).forEach(i -> {
builder.append(i.getType());
i.removeHint(Slice.HINT_SELECTED);
builder.append(i.getHints());
switch (i.getType()) {
case SliceItem.TYPE_REMOTE_VIEW:
builder.append(i.getRemoteView());
break;
case SliceItem.TYPE_IMAGE:
builder.append(i.getIcon());
break;
case SliceItem.TYPE_TEXT:
builder.append(i.getText());
break;
case SliceItem.TYPE_COLOR:
builder.append(i.getColor());
break;
}
});
return builder.toString();
}
public void resetUsage() {
mUsedIds.clear();
}
}
}
|
