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 17 package com.android.layoutlib.bridge.bars; 18 19 import com.android.internal.view.menu.MenuBuilder; 20 import com.android.internal.view.menu.MenuItemImpl; 21 import com.android.internal.view.menu.MenuView; 22 23 import android.content.Context; 24 import android.view.LayoutInflater; 25 import android.view.View; 26 import android.view.ViewGroup; 27 import android.widget.BaseAdapter; 28 29 import java.util.ArrayList; 30 31 /** 32 * Provides an adapter for Overflow menu popup. This is very similar to 33 * {@code MenuPopupHelper.MenuAdapter} 34 */ 35 public class OverflowMenuAdapter extends BaseAdapter { 36 37 private final MenuBuilder mMenu; 38 private int mExpandedIndex = -1; 39 private final Context context; 40 41 public OverflowMenuAdapter(MenuBuilder menu, Context context) { 42 mMenu = menu; 43 findExpandedIndex(); 44 this.context = context; 45 } 46 47 @Override 48 public int getCount() { 49 ArrayList<MenuItemImpl> items = mMenu.getNonActionItems(); 50 if (mExpandedIndex < 0) { 51 return items.size(); 52 } 53 return items.size() - 1; 54 } 55 56 @Override 57 public MenuItemImpl getItem(int position) { 58 ArrayList<MenuItemImpl> items = mMenu.getNonActionItems(); 59 if (mExpandedIndex >= 0 && position >= mExpandedIndex) { 60 position++; 61 } 62 return items.get(position); 63 } 64 65 @Override 66 public long getItemId(int position) { 67 // Since a menu item's ID is optional, we'll use the position as an 68 // ID for the item in the AdapterView 69 return position; 70 } 71 72 @Override 73 public View getView(int position, View convertView, ViewGroup parent) { 74 if (convertView == null) { 75 LayoutInflater mInflater = LayoutInflater.from(context); 76 convertView = mInflater.inflate(com.android.internal.R.layout.popup_menu_item_layout, 77 parent, false); 78 } 79 80 MenuView.ItemView itemView = (MenuView.ItemView) convertView; 81 itemView.initialize(getItem(position), 0); 82 return convertView; 83 } 84 85 private void findExpandedIndex() { 86 final MenuItemImpl expandedItem = mMenu.getExpandedItem(); 87 if (expandedItem != null) { 88 final ArrayList<MenuItemImpl> items = mMenu.getNonActionItems(); 89 final int count = items.size(); 90 for (int i = 0; i < count; i++) { 91 final MenuItemImpl item = items.get(i); 92 if (item == expandedItem) { 93 mExpandedIndex = i; 94 return; 95 } 96 } 97 } 98 } 99 } 100
