wrench_menu_model.h revision 72a454cd3513ac24fbdd0e0cb9ad70b86a99b801 
1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
6#define CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
7#pragma once
8
9#include "base/scoped_ptr.h"
10#include "chrome/browser/tabs/tab_strip_model_observer.h"
11#include "chrome/common/notification_observer.h"
12#include "chrome/common/notification_registrar.h"
13#include "ui/base/models/accelerator.h"
14#include "ui/base/models/button_menu_item_model.h"
15#include "ui/base/models/simple_menu_model.h"
16
17class Browser;
18class TabStripModel;
19
20namespace {
21class MockWrenchMenuModel;
22}  // namespace
23
24// A menu model that builds the contents of an encoding menu.
25class EncodingMenuModel : public ui::SimpleMenuModel,
26                          public ui::SimpleMenuModel::Delegate {
27 public:
28  explicit EncodingMenuModel(Browser* browser);
29  virtual ~EncodingMenuModel();
30
31  // Overridden from ui::SimpleMenuModel::Delegate:
32  virtual bool IsCommandIdChecked(int command_id) const;
33  virtual bool IsCommandIdEnabled(int command_id) const;
34  virtual bool GetAcceleratorForCommandId(int command_id,
35                                          ui::Accelerator* accelerator);
36  virtual void ExecuteCommand(int command_id);
37
38 private:
39  void Build();
40
41  Browser* browser_;  // weak
42
43  DISALLOW_COPY_AND_ASSIGN(EncodingMenuModel);
44};
45
46// A menu model that builds the contents of the zoom menu.
47class ZoomMenuModel : public ui::SimpleMenuModel {
48 public:
49  explicit ZoomMenuModel(ui::SimpleMenuModel::Delegate* delegate);
50  virtual ~ZoomMenuModel();
51
52 private:
53  void Build();
54
55  DISALLOW_COPY_AND_ASSIGN(ZoomMenuModel);
56};
57
58class ToolsMenuModel : public ui::SimpleMenuModel {
59 public:
60  ToolsMenuModel(ui::SimpleMenuModel::Delegate* delegate, Browser* browser);
61  virtual ~ToolsMenuModel();
62
63 private:
64  void Build(Browser* browser);
65
66  scoped_ptr<EncodingMenuModel> encoding_menu_model_;
67
68  DISALLOW_COPY_AND_ASSIGN(ToolsMenuModel);
69};
70
71// A menu model that builds the contents of the wrench menu.
72class WrenchMenuModel : public ui::SimpleMenuModel,
73                        public ui::SimpleMenuModel::Delegate,
74                        public ui::ButtonMenuItemModel::Delegate,
75                        public TabStripModelObserver,
76                        public NotificationObserver {
77 public:
78  WrenchMenuModel(ui::AcceleratorProvider* provider, Browser* browser);
79  virtual ~WrenchMenuModel();
80
81  // Overridden for ButtonMenuItemModel::Delegate:
82  virtual bool DoesCommandIdDismissMenu(int command_id) const;
83
84  // Overridden for both ButtonMenuItemModel::Delegate and SimpleMenuModel:
85  virtual bool IsItemForCommandIdDynamic(int command_id) const;
86  virtual string16 GetLabelForCommandId(int command_id) const;
87  virtual void ExecuteCommand(int command_id);
88  virtual bool IsCommandIdChecked(int command_id) const;
89  virtual bool IsCommandIdEnabled(int command_id) const;
90  virtual bool IsCommandIdVisible(int command_id) const;
91  virtual bool GetAcceleratorForCommandId(
92      int command_id,
93      ui::Accelerator* accelerator);
94
95  // Overridden from TabStripModelObserver:
96  virtual void TabSelectedAt(TabContentsWrapper* old_contents,
97                             TabContentsWrapper* new_contents,
98                             int index,
99                             bool user_gesture);
100  virtual void TabReplacedAt(TabStripModel* tab_strip_model,
101                             TabContentsWrapper* old_contents,
102                             TabContentsWrapper* new_contents,
103                             int index);
104  virtual void TabStripModelDeleted();
105
106  // Overridden from NotificationObserver:
107  virtual void Observe(NotificationType type,
108                       const NotificationSource& source,
109                       const NotificationDetails& details);
110
111  // Getters.
112  Browser* browser() const { return browser_; }
113
114  // Calculates |zoom_label_| in response to a zoom change.
115  void UpdateZoomControls();
116
117 private:
118  // Testing constructor used for mocking.
119  friend class ::MockWrenchMenuModel;
120  WrenchMenuModel();
121
122  void Build();
123
124  // Adds custom items to the menu. Deprecated in favor of a cross platform
125  // model for button items.
126  void CreateCutCopyPaste();
127  void CreateZoomFullscreen();
128
129  string16 GetSyncMenuLabel() const;
130
131  // Models for the special menu items with buttons.
132  scoped_ptr<ui::ButtonMenuItemModel> edit_menu_item_model_;
133  scoped_ptr<ui::ButtonMenuItemModel> zoom_menu_item_model_;
134
135  // Label of the zoom label in the zoom menu item.
136  string16 zoom_label_;
137
138  // Tools menu.
139  scoped_ptr<ToolsMenuModel> tools_menu_model_;
140
141  ui::AcceleratorProvider* provider_;  // weak
142
143  Browser* browser_;  // weak
144  TabStripModel* tabstrip_model_; // weak
145
146  NotificationRegistrar registrar_;
147
148  DISALLOW_COPY_AND_ASSIGN(WrenchMenuModel);
149};
150
151#endif  // CHROME_BROWSER_UI_TOOLBAR_WRENCH_MENU_MODEL_H_
152