1/*
2 * Copyright (C) 2006 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 com.android.internal.view.menu;
18
19import android.content.Context;
20import android.graphics.drawable.Drawable;
21import android.view.Menu;
22import android.view.MenuItem;
23import android.view.SubMenu;
24import android.view.View;
25
26/**
27 * The model for a sub menu, which is an extension of the menu.  Most methods are proxied to
28 * the parent menu.
29 */
30public class SubMenuBuilder extends MenuBuilder implements SubMenu {
31    private MenuBuilder mParentMenu;
32    private MenuItemImpl mItem;
33
34    public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
35        super(context);
36
37        mParentMenu = parentMenu;
38        mItem = item;
39    }
40
41    @Override
42    public void setQwertyMode(boolean isQwerty) {
43        mParentMenu.setQwertyMode(isQwerty);
44    }
45
46    @Override
47    public boolean isQwertyMode() {
48        return mParentMenu.isQwertyMode();
49    }
50
51    @Override
52    public void setShortcutsVisible(boolean shortcutsVisible) {
53        mParentMenu.setShortcutsVisible(shortcutsVisible);
54    }
55
56    @Override
57    public boolean isShortcutsVisible() {
58        return mParentMenu.isShortcutsVisible();
59    }
60
61    public Menu getParentMenu() {
62        return mParentMenu;
63    }
64
65    public MenuItem getItem() {
66        return mItem;
67    }
68
69    @Override
70    public void setCallback(Callback callback) {
71        mParentMenu.setCallback(callback);
72    }
73
74    @Override
75    public MenuBuilder getRootMenu() {
76        return mParentMenu;
77    }
78
79    @Override
80    boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
81        return super.dispatchMenuItemSelected(menu, item) ||
82                mParentMenu.dispatchMenuItemSelected(menu, item);
83    }
84
85    public SubMenu setIcon(Drawable icon) {
86        mItem.setIcon(icon);
87        return this;
88    }
89
90    public SubMenu setIcon(int iconRes) {
91        mItem.setIcon(iconRes);
92        return this;
93    }
94
95    public SubMenu setHeaderIcon(Drawable icon) {
96        return (SubMenu) super.setHeaderIconInt(icon);
97    }
98
99    public SubMenu setHeaderIcon(int iconRes) {
100        return (SubMenu) super.setHeaderIconInt(iconRes);
101    }
102
103    public SubMenu setHeaderTitle(CharSequence title) {
104        return (SubMenu) super.setHeaderTitleInt(title);
105    }
106
107    public SubMenu setHeaderTitle(int titleRes) {
108        return (SubMenu) super.setHeaderTitleInt(titleRes);
109    }
110
111    public SubMenu setHeaderView(View view) {
112        return (SubMenu) super.setHeaderViewInt(view);
113    }
114
115    @Override
116    public boolean expandItemActionView(MenuItemImpl item) {
117        return mParentMenu.expandItemActionView(item);
118    }
119
120    @Override
121    public boolean collapseItemActionView(MenuItemImpl item) {
122        return mParentMenu.collapseItemActionView(item);
123    }
124
125    @Override
126    public String getActionViewStatesKey() {
127        final int itemId = mItem != null ? mItem.getItemId() : 0;
128        if (itemId == 0) {
129            return null;
130        }
131        return super.getActionViewStatesKey() + ":" + itemId;
132    }
133}
134