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| 1 // Copyright (c) 2012 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_VIEWS_WRENCH_MENU_H_ | |
| 6 #define CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <utility> | |
| 10 | |
| 11 #include "base/memory/scoped_ptr.h" | |
| 12 #include "base/observer_list.h" | |
| 13 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h" | |
| 14 #include "content/public/browser/notification_observer.h" | |
| 15 #include "content/public/browser/notification_registrar.h" | |
| 16 #include "ui/base/models/menu_model.h" | |
| 17 #include "ui/views/controls/menu/menu_delegate.h" | |
| 18 | |
| 19 class BookmarkMenuDelegate; | |
| 20 class Browser; | |
| 21 class WrenchMenuObserver; | |
| 22 | |
| 23 namespace ui { | |
| 24 class NativeTheme; | |
| 25 } | |
| 26 | |
| 27 namespace views { | |
| 28 class MenuButton; | |
| 29 struct MenuConfig; | |
| 30 class MenuItemView; | |
| 31 class MenuRunner; | |
| 32 class View; | |
| 33 } // namespace views | |
| 34 | |
| 35 // WrenchMenu adapts the WrenchMenuModel to view's menu related classes. | |
| 36 class WrenchMenu : public views::MenuDelegate, | |
| 37 public BaseBookmarkModelObserver, | |
| 38 public content::NotificationObserver { | |
| 39 public: | |
| 40 // TODO: remove |use_new_menu| and |supports_new_separators|. | |
| 41 WrenchMenu(Browser* browser, | |
| 42 bool use_new_menu, | |
| 43 bool supports_new_separators); | |
| 44 virtual ~WrenchMenu(); | |
| 45 | |
| 46 void Init(ui::MenuModel* model); | |
| 47 | |
| 48 // Shows the menu relative to the specified view. | |
| 49 void RunMenu(views::MenuButton* host); | |
| 50 | |
| 51 // Whether the menu is currently visible to the user. | |
| 52 bool IsShowing(); | |
| 53 | |
| 54 const views::MenuConfig& GetMenuConfig() const; | |
| 55 | |
| 56 bool use_new_menu() const { return use_new_menu_; } | |
| 57 | |
| 58 void AddObserver(WrenchMenuObserver* observer); | |
| 59 void RemoveObserver(WrenchMenuObserver* observer); | |
| 60 | |
| 61 // MenuDelegate overrides: | |
| 62 virtual const gfx::Font* GetLabelFont(int command_id) const OVERRIDE; | |
| 63 virtual bool GetForegroundColor(int command_id, | |
| 64 bool is_hovered, | |
| 65 SkColor* override_color) const OVERRIDE; | |
| 66 virtual string16 GetTooltipText(int command_id, | |
| 67 const gfx::Point& p) const OVERRIDE; | |
| 68 virtual bool IsTriggerableEvent(views::MenuItemView* menu, | |
| 69 const ui::Event& e) OVERRIDE; | |
| 70 virtual bool GetDropFormats( | |
| 71 views::MenuItemView* menu, | |
| 72 int* formats, | |
| 73 std::set<ui::OSExchangeData::CustomFormat>* custom_formats) OVERRIDE; | |
| 74 virtual bool AreDropTypesRequired(views::MenuItemView* menu) OVERRIDE; | |
| 75 virtual bool CanDrop(views::MenuItemView* menu, | |
| 76 const ui::OSExchangeData& data) OVERRIDE; | |
| 77 virtual int GetDropOperation(views::MenuItemView* item, | |
| 78 const ui::DropTargetEvent& event, | |
| 79 DropPosition* position) OVERRIDE; | |
| 80 virtual int OnPerformDrop(views::MenuItemView* menu, | |
| 81 DropPosition position, | |
| 82 const ui::DropTargetEvent& event) OVERRIDE; | |
| 83 virtual bool ShowContextMenu(views::MenuItemView* source, | |
| 84 int command_id, | |
| 85 const gfx::Point& p, | |
| 86 ui::MenuSourceType source_type) OVERRIDE; | |
| 87 virtual bool CanDrag(views::MenuItemView* menu) OVERRIDE; | |
| 88 virtual void WriteDragData(views::MenuItemView* sender, | |
| 89 ui::OSExchangeData* data) OVERRIDE; | |
| 90 virtual int GetDragOperations(views::MenuItemView* sender) OVERRIDE; | |
| 91 virtual int GetMaxWidthForMenu(views::MenuItemView* menu) OVERRIDE; | |
| 92 virtual bool IsItemChecked(int command_id) const OVERRIDE; | |
| 93 virtual bool IsCommandEnabled(int command_id) const OVERRIDE; | |
| 94 virtual void ExecuteCommand(int command_id, int mouse_event_flags) OVERRIDE; | |
| 95 virtual bool GetAccelerator(int command_id, | |
| 96 ui::Accelerator* accelerator) OVERRIDE; | |
| 97 virtual void WillShowMenu(views::MenuItemView* menu) OVERRIDE; | |
| 98 virtual void WillHideMenu(views::MenuItemView* menu) OVERRIDE; | |
| 99 | |
| 100 // BaseBookmarkModelObserver overrides: | |
| 101 virtual void BookmarkModelChanged() OVERRIDE; | |
| 102 | |
| 103 // content::NotificationObserver overrides: | |
| 104 virtual void Observe(int type, | |
| 105 const content::NotificationSource& source, | |
| 106 const content::NotificationDetails& details) OVERRIDE; | |
| 107 | |
| 108 private: | |
| 109 class CutCopyPasteView; | |
| 110 class RecentTabsMenuModelDelegate; | |
| 111 class ZoomView; | |
| 112 | |
| 113 typedef std::pair<ui::MenuModel*,int> Entry; | |
| 114 typedef std::map<int,Entry> CommandIDToEntry; | |
| 115 | |
| 116 const ui::NativeTheme* GetNativeTheme() const; | |
| 117 | |
| 118 // Populates |parent| with all the child menus in |model|. Recursively invokes | |
| 119 // |PopulateMenu| for any submenu. | |
| 120 void PopulateMenu(views::MenuItemView* parent, | |
| 121 ui::MenuModel* model); | |
| 122 | |
| 123 // Adds a new menu item to |parent| at |menu_index| to represent the item in | |
| 124 // |model| at |model_index|: | |
| 125 // - |menu_index|: position in |parent| to add the new item. | |
| 126 // - |model_index|: position in |model| to retrieve information about the | |
| 127 // new menu item. | |
| 128 // - |height|: For button containing menu items, a |height| override can be | |
| 129 // specified with a number bigger then 0. | |
| 130 // The returned item's MenuItemView::GetCommand() is the same as that of | |
| 131 // |model|->GetCommandIdAt(|model_index|). | |
| 132 views::MenuItemView* AddMenuItem(views::MenuItemView* parent, | |
| 133 int menu_index, | |
| 134 ui::MenuModel* model, | |
| 135 int model_index, | |
| 136 ui::MenuModel::ItemType menu_type, | |
| 137 int height); | |
| 138 | |
| 139 // Invoked from the cut/copy/paste menus. Cancels the current active menu and | |
| 140 // activates the menu item in |model| at |index|. | |
| 141 void CancelAndEvaluate(ui::MenuModel* model, int index); | |
| 142 | |
| 143 // Creates the bookmark menu if necessary. Does nothing if already created or | |
| 144 // the bookmark model isn't loaded. | |
| 145 void CreateBookmarkMenu(); | |
| 146 | |
| 147 // Returns the index of the MenuModel/index pair representing the |command_id| | |
| 148 // in |command_id_to_entry_|. | |
| 149 int ModelIndexFromCommandId(int command_id) const; | |
| 150 | |
| 151 // The views menu. Owned by |menu_runner_|. | |
| 152 views::MenuItemView* root_; | |
| 153 | |
| 154 scoped_ptr<views::MenuRunner> menu_runner_; | |
| 155 | |
| 156 // Maps from the command ID in model to the model/index pair the item came | |
| 157 // from. | |
| 158 CommandIDToEntry command_id_to_entry_; | |
| 159 | |
| 160 // Browser the menu is being shown for. | |
| 161 Browser* browser_; | |
| 162 | |
| 163 // |CancelAndEvaluate| sets |selected_menu_model_| and |selected_index_|. | |
| 164 // If |selected_menu_model_| is non-null after the menu completes | |
| 165 // ActivatedAt is invoked. This is done so that ActivatedAt isn't invoked | |
| 166 // while the message loop is nested. | |
| 167 ui::MenuModel* selected_menu_model_; | |
| 168 int selected_index_; | |
| 169 | |
| 170 // Used for managing the bookmark menu items. | |
| 171 scoped_ptr<BookmarkMenuDelegate> bookmark_menu_delegate_; | |
| 172 | |
| 173 // Menu corresponding to IDC_BOOKMARKS_MENU. | |
| 174 views::MenuItemView* bookmark_menu_; | |
| 175 | |
| 176 // Menu corresponding to IDC_FEEDBACK. | |
| 177 views::MenuItemView* feedback_menu_item_; | |
| 178 | |
| 179 // Used for managing "Recent tabs" menu items. | |
| 180 scoped_ptr<RecentTabsMenuModelDelegate> recent_tabs_menu_model_delegate_; | |
| 181 | |
| 182 content::NotificationRegistrar registrar_; | |
| 183 | |
| 184 const bool use_new_menu_; | |
| 185 | |
| 186 const bool supports_new_separators_; | |
| 187 | |
| 188 ObserverList<WrenchMenuObserver> observer_list_; | |
| 189 | |
| 190 DISALLOW_COPY_AND_ASSIGN(WrenchMenu); | |
| 191 }; | |
| 192 | |
| 193 #endif // CHROME_BROWSER_UI_VIEWS_WRENCH_MENU_H_ | |
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