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      1 /*
      2  *  Copyright (C) 2007 Holger Hans Peter Freyther
      3  *
      4  *  This library is free software; you can redistribute it and/or
      5  *  modify it under the terms of the GNU Lesser General Public
      6  *  License as published by the Free Software Foundation; either
      7  *  version 2 of the License, or (at your option) any later version.
      8  *
      9  *  This library is distributed in the hope that it will be useful,
     10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  *  Lesser General Public License for more details.
     13  *
     14  *  You should have received a copy of the GNU Lesser General Public
     15  *  License along with this library; if not, write to the Free Software
     16  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     17  */
     18 
     19 #include "config.h"
     20 #include "ContextMenu.h"
     21 
     22 #include "ContextMenuController.h"
     23 
     24 #include <gtk/gtk.h>
     25 
     26 namespace WebCore {
     27 
     28 // TODO: ref-counting correctness checking.
     29 // See http://bugs.webkit.org/show_bug.cgi?id=16115
     30 
     31 static void menuItemActivated(GtkMenuItem* item, ContextMenuController* controller)
     32 {
     33     ContextMenuItem contextItem(item);
     34     controller->contextMenuItemSelected(&contextItem);
     35 }
     36 
     37 ContextMenu::ContextMenu(const HitTestResult& result)
     38     : m_hitTestResult(result)
     39 {
     40     m_platformDescription = GTK_MENU(gtk_menu_new());
     41 
     42     g_object_ref_sink(G_OBJECT(m_platformDescription));
     43 }
     44 
     45 ContextMenu::~ContextMenu()
     46 {
     47     if (m_platformDescription)
     48         g_object_unref(m_platformDescription);
     49 }
     50 
     51 void ContextMenu::appendItem(ContextMenuItem& item)
     52 {
     53     ASSERT(m_platformDescription);
     54     checkOrEnableIfNeeded(item);
     55 
     56     ContextMenuItemType type = item.type();
     57     GtkMenuItem* platformItem = ContextMenuItem::createNativeMenuItem(item.releasePlatformDescription());
     58     ASSERT(platformItem);
     59 
     60     if (type == ActionType || type == CheckableActionType)
     61         g_signal_connect(platformItem, "activate", G_CALLBACK(menuItemActivated), controller());
     62 
     63     gtk_menu_shell_append(GTK_MENU_SHELL(m_platformDescription), GTK_WIDGET(platformItem));
     64     gtk_widget_show(GTK_WIDGET(platformItem));
     65 }
     66 
     67 void ContextMenu::setPlatformDescription(PlatformMenuDescription menu)
     68 {
     69     ASSERT(menu);
     70     if (m_platformDescription)
     71         g_object_unref(m_platformDescription);
     72 
     73     m_platformDescription = menu;
     74     g_object_ref(m_platformDescription);
     75 }
     76 
     77 PlatformMenuDescription ContextMenu::platformDescription() const
     78 {
     79     return m_platformDescription;
     80 }
     81 
     82 PlatformMenuDescription ContextMenu::releasePlatformDescription()
     83 {
     84     PlatformMenuDescription description = m_platformDescription;
     85     m_platformDescription = 0;
     86 
     87     return description;
     88 }
     89 
     90 }
     91