1/*
2 * Copyright (C) 2014 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.tv.settings.widget;
18
19import java.util.List;
20
21import android.content.Context;
22import android.view.LayoutInflater;
23import android.view.View;
24import android.view.ViewGroup;
25import android.widget.ArrayAdapter;
26import android.widget.TextView;
27
28public class ScrollArrayAdapter<T> extends ArrayAdapter<T> implements ScrollAdapter {
29
30    private int mLayoutResource = -1;
31
32    public ScrollArrayAdapter(Context context, int textViewResourceId) {
33        super(context, textViewResourceId);
34    }
35
36    public ScrollArrayAdapter(Context context, int resource, int textViewResourceId) {
37        super(context, resource, textViewResourceId);
38        mLayoutResource = resource;
39    }
40
41    public ScrollArrayAdapter(Context context, int textViewResourceId, T[] objects) {
42        super(context, textViewResourceId, objects);
43    }
44
45    public ScrollArrayAdapter(Context context, int resource, int textViewResourceId,
46            T[] objects) {
47        super(context, resource, textViewResourceId, objects);
48        mLayoutResource = resource;
49    }
50
51    public ScrollArrayAdapter(Context context, int textViewResourceId, List<T> objects) {
52        super(context, textViewResourceId, objects);
53    }
54
55    public ScrollArrayAdapter(Context context, int resource, int textViewResourceId,
56            List<T> objects) {
57        super(context, resource, textViewResourceId, objects);
58        mLayoutResource = resource;
59    }
60
61    @Override
62    public View getScrapView(ViewGroup parent) {
63        if (getCount() > 0) {
64            return getView(0, null, parent);
65        } else {
66            if (mLayoutResource != -1) {
67                LayoutInflater inflater = (LayoutInflater)
68                        parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
69                return inflater.inflate(mLayoutResource, parent);
70            } else {
71                return new TextView(parent.getContext());
72            }
73        }
74    }
75
76    @Override
77    public void viewRemoved(View view) {
78    }
79
80    @Override
81    public ScrollAdapterBase getExpandAdapter() {
82        return null;
83    }
84}
85