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 17package android.support.design.internal; 18 19import android.content.Context; 20import android.support.annotation.RestrictTo; 21import android.support.v7.view.menu.MenuBuilder; 22import android.support.v7.view.menu.MenuItemImpl; 23import android.support.v7.view.menu.SubMenuBuilder; 24import android.view.SubMenu; 25 26import static android.support.annotation.RestrictTo.Scope.GROUP_ID; 27 28/** 29 * This is a {@link MenuBuilder} that returns an instance of {@link NavigationSubMenu} instead of 30 * {@link SubMenuBuilder} when a sub menu is created. 31 * 32 * @hide 33 */ 34@RestrictTo(GROUP_ID) 35public class NavigationMenu extends MenuBuilder { 36 37 public NavigationMenu(Context context) { 38 super(context); 39 } 40 41 @Override 42 public SubMenu addSubMenu(int group, int id, int categoryOrder, CharSequence title) { 43 final MenuItemImpl item = (MenuItemImpl) addInternal(group, id, categoryOrder, title); 44 final SubMenuBuilder subMenu = new NavigationSubMenu(getContext(), this, item); 45 item.setSubMenu(subMenu); 46 return subMenu; 47 } 48 49} 50