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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_GTK_BOOKMARKS_BOOKMARK_SUB_MENU_MODEL_GTK_H_ | |
| 6 #define CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_SUB_MENU_MODEL_GTK_H_ | |
| 7 | |
| 8 #include <vector> | |
| 9 | |
| 10 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h" | |
| 11 #include "ui/base/models/simple_menu_model.h" | |
| 12 #include "ui/base/window_open_disposition.h" | |
| 13 | |
| 14 class Browser; | |
| 15 class BookmarkModel; | |
| 16 class BookmarkNode; | |
| 17 class MenuGtk; // See below for why we need this. | |
| 18 class Profile; | |
| 19 | |
| 20 namespace content { | |
| 21 class PageNavigator; | |
| 22 } | |
| 23 | |
| 24 // BookmarkNodeMenuModel builds a SimpleMenuModel on demand when the menu is | |
| 25 // shown, and automatically destroys child models when the menu is closed. | |
| 26 class BookmarkNodeMenuModel : public ui::SimpleMenuModel { | |
| 27 public: | |
| 28 BookmarkNodeMenuModel(ui::SimpleMenuModel::Delegate* delegate, | |
| 29 BookmarkModel* model, | |
| 30 const BookmarkNode* node, | |
| 31 content::PageNavigator* page_navigator, | |
| 32 Profile* profile); | |
| 33 virtual ~BookmarkNodeMenuModel(); | |
| 34 | |
| 35 // From SimpleMenuModel. Takes care of deleting submenus. | |
| 36 // Note that this is not virtual. That's OK for our use. | |
| 37 void Clear(); | |
| 38 | |
| 39 // From MenuModel via SimpleMenuModel. | |
| 40 virtual void MenuWillShow() OVERRIDE; | |
| 41 virtual void MenuClosed() OVERRIDE; | |
| 42 virtual void ActivatedAt(int index) OVERRIDE; | |
| 43 virtual void ActivatedAt(int index, int event_flags) OVERRIDE; | |
| 44 | |
| 45 protected: | |
| 46 // Adds all bookmark items to the model. Does not clear the model first. | |
| 47 void PopulateMenu(); | |
| 48 | |
| 49 // Add a submenu for the given bookmark folder node. | |
| 50 void AddSubMenuForNode(const BookmarkNode* node); | |
| 51 | |
| 52 BookmarkModel* model() const { return model_; } | |
| 53 void set_model(BookmarkModel* model) { model_ = model; } | |
| 54 | |
| 55 const BookmarkNode* node() const { return node_; } | |
| 56 void set_node(const BookmarkNode* node) { node_ = node; } | |
| 57 | |
| 58 private: | |
| 59 // Uses the page navigator to open the bookmark at the given index. | |
| 60 void NavigateToMenuItem(int index, WindowOpenDisposition disposition); | |
| 61 | |
| 62 // The bookmark model whose bookmarks we will show. Note that in the top-level | |
| 63 // bookmark menu, this may be null. (It is set only when the menu is shown.) | |
| 64 BookmarkModel* model_; | |
| 65 | |
| 66 // The bookmark node for the folder that this model will show. Note that in | |
| 67 // the top-level bookmark menu, this may be null, as above. | |
| 68 const BookmarkNode* node_; | |
| 69 | |
| 70 // The page navigator used to open bookmarks in ActivatedAt(). | |
| 71 content::PageNavigator* page_navigator_; | |
| 72 | |
| 73 Profile* profile_; | |
| 74 | |
| 75 // A list of the submenus we own and will need to delete. | |
| 76 std::vector<BookmarkNodeMenuModel*> submenus_; | |
| 77 | |
| 78 DISALLOW_COPY_AND_ASSIGN(BookmarkNodeMenuModel); | |
| 79 }; | |
| 80 | |
| 81 // This is the top-level bookmark menu model. It handles prepending a few fixed | |
| 82 // items before the bookmarks. Child menus are all plain BookmarkNodeMenuModels. | |
| 83 // This class also handles watching the bookmark model and forcing the menu to | |
| 84 // close if it changes while the menu is open. | |
| 85 class BookmarkSubMenuModel : public BookmarkNodeMenuModel, | |
| 86 public BaseBookmarkModelObserver { | |
| 87 public: | |
| 88 BookmarkSubMenuModel(ui::SimpleMenuModel::Delegate* delegate, | |
| 89 Browser* browser); | |
| 90 | |
| 91 virtual ~BookmarkSubMenuModel(); | |
| 92 | |
| 93 // See below; this is used to allow closing the menu when bookmarks change. | |
| 94 void SetMenuGtk(MenuGtk* menu) { menu_ = menu; } | |
| 95 | |
| 96 // BaseBookmarkModelObserver: | |
| 97 virtual void BookmarkModelLoaded(BookmarkModel* model, | |
| 98 bool ids_reassigned) OVERRIDE; | |
| 99 virtual void BookmarkModelChanged() OVERRIDE; | |
| 100 virtual void BookmarkModelBeingDeleted(BookmarkModel* model) OVERRIDE; | |
| 101 | |
| 102 // BookmarkNodeMenuModel: | |
| 103 virtual void MenuWillShow() OVERRIDE; | |
| 104 virtual void MenuClosed() OVERRIDE; | |
| 105 virtual void ActivatedAt(int index) OVERRIDE; | |
| 106 virtual void ActivatedAt(int index, int event_flags) OVERRIDE; | |
| 107 virtual bool IsEnabledAt(int index) const OVERRIDE; | |
| 108 virtual bool IsVisibleAt(int index) const OVERRIDE; | |
| 109 | |
| 110 // Returns true if the command id is for a bookmark item. | |
| 111 static bool IsBookmarkItemCommandId(int command_id); | |
| 112 | |
| 113 private: | |
| 114 Browser* browser_; | |
| 115 | |
| 116 // The number of fixed items shown before the bookmarks. | |
| 117 int fixed_items_; | |
| 118 // The index of the first non-bookmark item after the bookmarks. | |
| 119 int bookmark_end_; | |
| 120 | |
| 121 // We need to be able to call Cancel() on the wrench menu when bookmarks | |
| 122 // change. This is a bit of an abstraction violation but it could be converted | |
| 123 // to an interface with just a Cancel() method if necessary. | |
| 124 MenuGtk* menu_; | |
| 125 | |
| 126 // We keep track of whether the bookmark submenu is currently showing. If it's | |
| 127 // not showing, then we don't need to forcibly close the entire wrench menu | |
| 128 // when the bookmark model loads. | |
| 129 bool menu_showing_; | |
| 130 | |
| 131 DISALLOW_COPY_AND_ASSIGN(BookmarkSubMenuModel); | |
| 132 }; | |
| 133 | |
| 134 #endif // CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_SUB_MENU_MODEL_GTK_H_ | |
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