1/*
2 * Copyright (C) 2009 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.quicksearchbox.ui;
18
19import com.android.quicksearchbox.SuggestionPosition;
20import com.android.quicksearchbox.Suggestions;
21
22import android.view.View;
23import android.view.ViewGroup;
24import android.widget.BaseAdapter;
25import android.widget.ListAdapter;
26
27/**
28 * Uses a {@link Suggestions} object to back a {@link SuggestionsView}.
29 */
30public class SuggestionsListAdapter extends SuggestionsAdapterBase<ListAdapter> {
31
32    private Adapter mAdapter;
33
34    public SuggestionsListAdapter(SuggestionViewFactory viewFactory) {
35        super(viewFactory);
36        mAdapter = new Adapter();
37    }
38
39    @Override
40    public boolean isEmpty() {
41        return mAdapter.getCount() == 0;
42    }
43
44    @Override
45    public boolean willPublishNonPromotedSuggestions() {
46        return false;
47    }
48
49    @Override
50    public SuggestionPosition getSuggestion(long suggestionId) {
51        return new SuggestionPosition(getCurrentPromotedSuggestions(), (int) suggestionId);
52    }
53
54    @Override
55    public BaseAdapter getListAdapter() {
56        return mAdapter;
57    }
58
59    @Override
60    public void notifyDataSetChanged() {
61        mAdapter.notifyDataSetChanged();
62    }
63
64    @Override
65    public void notifyDataSetInvalidated() {
66        mAdapter.notifyDataSetInvalidated();
67    }
68
69    class Adapter extends BaseAdapter {
70
71        @Override
72        public int getCount() {
73            return getPromotedCount();
74        }
75
76        @Override
77        public Object getItem(int position) {
78            return getPromotedSuggestion(position);
79        }
80
81        @Override
82        public long getItemId(int position) {
83            return position;
84        }
85
86        @Override
87        public View getView(int position, View convertView, ViewGroup parent) {
88            return SuggestionsListAdapter.this.getView(
89                    getCurrentPromotedSuggestions(), position, position, convertView, parent);
90        }
91
92        @Override
93        public int getItemViewType(int position) {
94            return getSuggestionViewType(getCurrentPromotedSuggestions(), position);
95        }
96
97        @Override
98        public int getViewTypeCount() {
99            return getSuggestionViewTypeCount();
100        }
101
102    }
103
104}
105