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 android.support.v7.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 the
28 * parent menu.
29 *
30 * @hide
31 */
32public class SubMenuBuilder extends MenuBuilder implements SubMenu {
33
34    private MenuBuilder mParentMenu;
35    private MenuItemImpl mItem;
36
37    public SubMenuBuilder(Context context, MenuBuilder parentMenu, MenuItemImpl item) {
38        super(context);
39
40        mParentMenu = parentMenu;
41        mItem = item;
42    }
43
44    @Override
45    public void setQwertyMode(boolean isQwerty) {
46        mParentMenu.setQwertyMode(isQwerty);
47    }
48
49    @Override
50    public boolean isQwertyMode() {
51        return mParentMenu.isQwertyMode();
52    }
53
54    @Override
55    public void setShortcutsVisible(boolean shortcutsVisible) {
56        mParentMenu.setShortcutsVisible(shortcutsVisible);
57    }
58
59    @Override
60    public boolean isShortcutsVisible() {
61        return mParentMenu.isShortcutsVisible();
62    }
63
64    public Menu getParentMenu() {
65        return mParentMenu;
66    }
67
68    public MenuItem getItem() {
69        return mItem;
70    }
71
72    @Override
73    public void setCallback(Callback callback) {
74        mParentMenu.setCallback(callback);
75    }
76
77    public MenuBuilder getRootMenu() {
78        return mParentMenu;
79    }
80
81    @Override
82    public boolean dispatchMenuItemSelected(MenuBuilder menu, MenuItem item) {
83        return super.dispatchMenuItemSelected(menu, item) ||
84                mParentMenu.dispatchMenuItemSelected(menu, item);
85    }
86
87    public SubMenu setIcon(Drawable icon) {
88        mItem.setIcon(icon);
89        return this;
90    }
91
92    public SubMenu setIcon(int iconRes) {
93        mItem.setIcon(iconRes);
94        return this;
95    }
96
97    public SubMenu setHeaderIcon(Drawable icon) {
98        super.setHeaderIconInt(icon);
99        return this;
100    }
101
102    public SubMenu setHeaderIcon(int iconRes) {
103        super.setHeaderIconInt(getContext().getResources().getDrawable(iconRes));
104        return this;
105    }
106
107    public SubMenu setHeaderTitle(CharSequence title) {
108        super.setHeaderTitleInt(title);
109        return this;
110    }
111
112    public SubMenu setHeaderTitle(int titleRes) {
113        super.setHeaderTitleInt(getContext().getResources().getString(titleRes));
114        return this;
115    }
116
117    public SubMenu setHeaderView(View view) {
118        super.setHeaderViewInt(view);
119        return this;
120    }
121
122    @Override
123    public void clearHeader() {
124    }
125
126    @Override
127    public boolean expandItemActionView(MenuItemImpl item) {
128        return mParentMenu.expandItemActionView(item);
129    }
130
131    @Override
132    public boolean collapseItemActionView(MenuItemImpl item) {
133        return mParentMenu.collapseItemActionView(item);
134    }
135
136    @Override
137    public String getActionViewStatesKey() {
138        final int itemId = mItem != null ? mItem.getItemId() : 0;
139        if (itemId == 0) {
140            return null;
141        }
142        return super.getActionViewStatesKey() + ":" + itemId;
143    }
144}
145