1/*
2 * Copyright (C) 2013 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 */
16
17package com.android.layoutlib.bridge.impl.binding;
18
19import java.util.ArrayList;
20import java.util.Collections;
21import java.util.List;
22
23import com.android.ide.common.rendering.api.DataBindingItem;
24
25/**
26 * This is the items provided by the adapter. They are dynamically generated.
27 */
28final class AdapterItem {
29    private final DataBindingItem mItem;
30    private final int mType;
31    private final int mFullPosition;
32    private final int mPositionPerType;
33    private List<AdapterItem> mChildren;
34
35    protected AdapterItem(DataBindingItem item, int type, int fullPosition,
36            int positionPerType) {
37        mItem = item;
38        mType = type;
39        mFullPosition = fullPosition;
40        mPositionPerType = positionPerType;
41    }
42
43    void addChild(AdapterItem child) {
44        if (mChildren == null) {
45            mChildren = new ArrayList<AdapterItem>();
46        }
47
48        mChildren.add(child);
49    }
50
51    List<AdapterItem> getChildren() {
52        if (mChildren != null) {
53            return mChildren;
54        }
55
56        return Collections.emptyList();
57    }
58
59    int getType() {
60        return mType;
61    }
62
63    int getFullPosition() {
64        return mFullPosition;
65    }
66
67    int getPositionPerType() {
68        return mPositionPerType;
69    }
70
71    DataBindingItem getDataBindingItem() {
72        return mItem;
73    }
74}
75