1 /*
2  * Copyright (C) 2015 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 
17 package com.android.tv.menu;
18 
19 import android.content.Context;
20 
21 import com.android.tv.R;
22 import com.android.tv.menu.ItemListRowView.ItemListAdapter;
23 
24 /**
25  * A menu item which is used to represents the list of the items.
26  * A list will be displayed by a HorizontalGridView with cards, so an adapter
27  * for the GridView is necessary.
28  */
29 @SuppressWarnings("rawtypes")
30 public class ItemListRow extends MenuRow {
31     private ItemListAdapter mAdapter;
32 
ItemListRow(Context context, Menu menu, int titleResId, int itemHeightResId, ItemListAdapter adapter)33     public ItemListRow(Context context, Menu menu, int titleResId, int itemHeightResId,
34             ItemListAdapter adapter) {
35         this(context, menu, context.getString(titleResId), itemHeightResId, adapter);
36     }
37 
ItemListRow(Context context, Menu menu, String title, int itemHeightResId, ItemListAdapter adapter)38     public ItemListRow(Context context, Menu menu, String title, int itemHeightResId,
39             ItemListAdapter adapter) {
40         super(context, menu, title, itemHeightResId);
41         mAdapter = adapter;
42     }
43 
44     /**
45      * Returns the adapter.
46      */
getAdapter()47     public ItemListAdapter<?> getAdapter() {
48         return mAdapter;
49     }
50 
setAdapter(ItemListAdapter<?> adapter)51     public void setAdapter(ItemListAdapter<?> adapter) {
52         mAdapter = adapter;
53     }
54 
55     @Override
update()56     public void update() {
57         mAdapter.update();
58     }
59 
60     @Override
isVisible()61     public boolean isVisible() {
62         return mAdapter.getItemCount() > 0;
63     }
64 
65     @Override
getLayoutResId()66     public int getLayoutResId() {
67         return R.layout.item_list;
68     }
69 
70     @Override
getId()71     public String getId() {
72         return this.getClass().getName();
73     }
74 }
75