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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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