NavigationSubMenu.java revision 8e10080c914d1ad0784394fa3026b85535535847 
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 static android.support.annotation.RestrictTo.Scope.LIBRARY_GROUP;
20
21import android.content.Context;
22import android.support.annotation.RestrictTo;
23import android.support.v7.view.menu.MenuBuilder;
24import android.support.v7.view.menu.MenuItemImpl;
25import android.support.v7.view.menu.SubMenuBuilder;
26
27/**
28 * This is a {@link SubMenuBuilder} that it notifies the parent {@link NavigationMenu} of its menu
29 * updates.
30 *
31 * @hide
32 */
33@RestrictTo(LIBRARY_GROUP)
34public class NavigationSubMenu extends SubMenuBuilder {
35
36    public NavigationSubMenu(Context context, NavigationMenu menu, MenuItemImpl item) {
37        super(context, menu, item);
38    }
39
40    @Override
41    public void onItemsChanged(boolean structureChanged) {
42        super.onItemsChanged(structureChanged);
43        ((MenuBuilder) getParentMenu()).onItemsChanged(structureChanged);
44    }
45
46}
47