NavigationMenu.java revision c39d9c75590eca86a5e7e32a8824ba04a0d42e9b 
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