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 import com.android.tv.R; 21 import com.android.tv.menu.ItemListRowView.ItemListAdapter; 22 23 /** 24 * A menu item which is used to represents the list of the items. A list will be displayed by a 25 * HorizontalGridView with cards, so an adapter for the GridView is necessary. 26 */ 27 @SuppressWarnings("rawtypes") 28 public class ItemListRow extends MenuRow { 29 private ItemListAdapter mAdapter; 30 ItemListRow( Context context, Menu menu, int titleResId, int itemHeightResId, ItemListAdapter adapter)31 public ItemListRow( 32 Context context, 33 Menu menu, 34 int titleResId, 35 int itemHeightResId, 36 ItemListAdapter adapter) { 37 this(context, menu, context.getString(titleResId), itemHeightResId, adapter); 38 } 39 ItemListRow( Context context, Menu menu, String title, int itemHeightResId, ItemListAdapter adapter)40 public ItemListRow( 41 Context context, 42 Menu menu, 43 String title, 44 int itemHeightResId, 45 ItemListAdapter adapter) { 46 super(context, menu, title, itemHeightResId); 47 mAdapter = adapter; 48 } 49 50 /** Returns the adapter. */ getAdapter()51 public ItemListAdapter<?> getAdapter() { 52 return mAdapter; 53 } 54 setAdapter(ItemListAdapter<?> adapter)55 public void setAdapter(ItemListAdapter<?> adapter) { 56 mAdapter = adapter; 57 } 58 59 @Override update()60 public void update() { 61 mAdapter.update(); 62 } 63 64 @Override isVisible()65 public boolean isVisible() { 66 return mAdapter.getItemCount() > 0; 67 } 68 69 @Override getLayoutResId()70 public int getLayoutResId() { 71 return R.layout.item_list; 72 } 73 74 @Override getId()75 public String getId() { 76 return this.getClass().getName(); 77 } 78 } 79