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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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