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1 // Copyright (c) 2011 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_MENU_CONTROLLER_GTK_H_ | |
6 #define CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_MENU_CONTROLLER_GTK_H_ | |
7 | |
8 #include <map> | |
9 #include <vector> | |
10 | |
11 #include "base/compiler_specific.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "chrome/browser/bookmarks/base_bookmark_model_observer.h" | |
14 #include "chrome/browser/ui/bookmarks/bookmark_context_menu_controller.h" | |
15 #include "ui/base/glib/glib_integers.h" | |
16 #include "ui/base/gtk/gtk_signal.h" | |
17 #include "ui/base/gtk/gtk_signal_registrar.h" | |
18 #include "ui/base/gtk/owned_widget_gtk.h" | |
19 #include "ui/base/window_open_disposition.h" | |
20 | |
21 class Browser; | |
22 class BookmarkModel; | |
23 class BookmarkNode; | |
24 class MenuGtk; | |
25 | |
26 namespace content { | |
27 class PageNavigator; | |
28 } | |
29 | |
30 typedef struct _GdkDragContext GdkDragContext; | |
31 typedef struct _GdkEventButton GdkEventButton; | |
32 typedef struct _GtkSelectionData GtkSelectionData; | |
33 typedef struct _GtkWidget GtkWidget; | |
34 | |
35 class BookmarkMenuController : public BaseBookmarkModelObserver, | |
36 public BookmarkContextMenuControllerDelegate { | |
37 public: | |
38 // Creates a BookmarkMenuController showing the children of |node| starting | |
39 // at index |start_child_index|. | |
40 BookmarkMenuController(Browser* browser, | |
41 content::PageNavigator* page_navigator, | |
42 GtkWindow* window, | |
43 const BookmarkNode* node, | |
44 int start_child_index); | |
45 virtual ~BookmarkMenuController(); | |
46 | |
47 GtkWidget* widget() { return menu_; } | |
48 | |
49 // Pops up the menu. |widget| must be a GtkChromeButton. | |
50 void Popup(GtkWidget* widget, gint button_type, guint32 timestamp); | |
51 | |
52 // Overridden from BaseBookmarkModelObserver: | |
53 virtual void BookmarkModelChanged() OVERRIDE; | |
54 virtual void BookmarkNodeFaviconChanged(BookmarkModel* model, | |
55 const BookmarkNode* node) OVERRIDE; | |
56 | |
57 // Overridden from BookmarkContextMenuController::Delegate: | |
58 virtual void WillExecuteCommand( | |
59 int command_id, | |
60 const std::vector<const BookmarkNode*>& bookmarks) OVERRIDE; | |
61 virtual void CloseMenu() OVERRIDE; | |
62 | |
63 private: | |
64 // Recursively change the bookmark hierarchy rooted in |parent| into a set of | |
65 // gtk menus rooted in |menu|. | |
66 void BuildMenu(const BookmarkNode* parent, | |
67 int start_child_index, | |
68 GtkWidget* menu); | |
69 | |
70 // Calls the page navigator to navigate to the node represented by | |
71 // |menu_item|. | |
72 void NavigateToMenuItem(GtkWidget* menu_item, | |
73 WindowOpenDisposition disposition); | |
74 | |
75 // Button press and release events for a GtkMenu. | |
76 CHROMEGTK_CALLBACK_1(BookmarkMenuController, gboolean, | |
77 OnMenuButtonPressedOrReleased, GdkEventButton*); | |
78 | |
79 // Button release event for a GtkMenuItem. | |
80 CHROMEGTK_CALLBACK_1(BookmarkMenuController, gboolean, OnButtonReleased, | |
81 GdkEventButton*); | |
82 | |
83 // We connect this handler to the button-press-event signal for folder nodes. | |
84 // It suppresses the normal behavior (popping up the submenu) to allow these | |
85 // nodes to be draggable. The submenu is instead popped up on a | |
86 // button-release-event. | |
87 CHROMEGTK_CALLBACK_1(BookmarkMenuController, gboolean, OnFolderButtonPressed, | |
88 GdkEventButton*); | |
89 | |
90 // We have to stop drawing |triggering_widget_| as active when the menu | |
91 // closes. | |
92 CHROMEGTK_CALLBACK_0(BookmarkMenuController, void, OnMenuHidden) | |
93 | |
94 // We respond to the activate signal because things other than mouse button | |
95 // events can trigger it. | |
96 CHROMEGTK_CALLBACK_0(BookmarkMenuController, void, OnMenuItemActivated); | |
97 | |
98 // The individual GtkMenuItems in the BookmarkMenu are all drag sources. | |
99 CHROMEGTK_CALLBACK_1(BookmarkMenuController, void, OnMenuItemDragBegin, | |
100 GdkDragContext*); | |
101 CHROMEGTK_CALLBACK_1(BookmarkMenuController, void, OnMenuItemDragEnd, | |
102 GdkDragContext*); | |
103 CHROMEGTK_CALLBACK_4(BookmarkMenuController, void, OnMenuItemDragGet, | |
104 GdkDragContext*, GtkSelectionData*, guint, guint); | |
105 | |
106 Browser* browser_; | |
107 content::PageNavigator* page_navigator_; | |
108 | |
109 // Parent window of this menu. | |
110 GtkWindow* parent_window_; | |
111 | |
112 // The bookmark model. | |
113 BookmarkModel* model_; | |
114 | |
115 // The node we're showing the contents of. | |
116 const BookmarkNode* node_; | |
117 | |
118 // Our bookmark menus. We don't use the MenuGtk class because we have to do | |
119 // all sorts of weird non-standard things with this menu, like: | |
120 // - The menu is a drag target | |
121 // - The menu items have context menus. | |
122 GtkWidget* menu_; | |
123 | |
124 // The visual representation that follows the cursor during drags. | |
125 GtkWidget* drag_icon_; | |
126 | |
127 // Whether we should ignore the next button release event (because we were | |
128 // dragging). | |
129 bool ignore_button_release_; | |
130 | |
131 // The widget we are showing for (i.e. the bookmark bar folder button). | |
132 GtkWidget* triggering_widget_; | |
133 | |
134 // Mapping from node to GtkMenuItem menu id. This only contains entries for | |
135 // nodes of type URL. | |
136 std::map<const BookmarkNode*, GtkWidget*> node_to_menu_widget_map_; | |
137 | |
138 // The controller and view for the right click context menu. | |
139 scoped_ptr<BookmarkContextMenuController> context_menu_controller_; | |
140 scoped_ptr<MenuGtk> context_menu_; | |
141 | |
142 ui::GtkSignalRegistrar signals_; | |
143 | |
144 DISALLOW_COPY_AND_ASSIGN(BookmarkMenuController); | |
145 }; | |
146 | |
147 #endif // CHROME_BROWSER_UI_GTK_BOOKMARKS_BOOKMARK_MENU_CONTROLLER_GTK_H_ | |
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