nautilus-3.6.3/libnautilus-extension/nautilus-menu-provider.c

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clang-analyzer no-output-found nautilus-menu-provider.c Message(text='Unable to locate XML output from invoke-clang-analyzer') None
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  1 /*
  2  *  nautilus-property-page-provider.c - Interface for Nautilus extensions 
  3  *                                      that provide context menu items
  4  *                                      for files.
  5  *
  6  *  Copyright (C) 2003 Novell, Inc.
  7  *
  8  *  This library is free software; you can redistribute it and/or
  9  *  modify it under the terms of the GNU Library General Public
 10  *  License as published by the Free Software Foundation; either
 11  *  version 2 of the License, or (at your option) any later version.
 12  *
 13  *  This library is distributed in the hope that it will be useful,
 14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 16  *  Library General Public License for more details.
 17  *
 18  *  You should have received a copy of the GNU Library General Public
 19  *  License along with this library; if not, write to the Free
 20  *  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 21  * 
 22  *  Author:  Dave Camp <dave@ximian.com>
 23  *
 24  */
 25 
 26 #include <config.h>
 27 #include "nautilus-menu-provider.h"
 28 
 29 #include <glib-object.h>
 30 
 31 static void
 32 nautilus_menu_provider_base_init (gpointer g_class)
 33 {
 34 	static gboolean initialized = FALSE;
 35 
 36 	if (!initialized)
 37 	{
 38 		/* This signal should be emited each time the extension modify the list of menu items */
 39 		g_signal_new ("items_updated",
 40 			NAUTILUS_TYPE_MENU_PROVIDER,
 41 			G_SIGNAL_RUN_LAST,
 42 			0,
 43 			NULL, NULL,
 44 			g_cclosure_marshal_VOID__VOID,
 45 			G_TYPE_NONE, 0);
 46 		initialized = TRUE;
 47 	}
 48 }
 49 
 50 GType                   
 51 nautilus_menu_provider_get_type (void)
 52 {
 53 	static GType type = 0;
 54 
 55 	if (!type) {
 56 		const GTypeInfo info = {
 57 			sizeof (NautilusMenuProviderIface),
 58 			nautilus_menu_provider_base_init,
 59 			NULL,
 60 			NULL,
 61 			NULL,
 62 			NULL,
 63 			0,
 64 			0,
 65 			NULL
 66 		};
 67 		
 68 		type = g_type_register_static (G_TYPE_INTERFACE, 
 69 					       "NautilusMenuProvider",
 70 					       &info, 0);
 71 		g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
 72 	}
 73 
 74 	return type;
 75 }
 76 
 77 /**
 78  * nautilus_menu_provider_get_file_items:
 79  * @provider: a #NautilusMenuProvider
 80  * @window: the parent #GtkWidget window
 81  * @files: (element-type NautilusFileInfo): a list of #NautilusFileInfo
 82  *
 83  * Returns: (element-type NautilusMenuItem) (transfer full): the provided list of #NautilusMenuItem
 84  */
 85 GList *
 86 nautilus_menu_provider_get_file_items (NautilusMenuProvider *provider,
 87 				       GtkWidget *window,
 88 				       GList *files)
 89 {
 90 	g_return_val_if_fail (NAUTILUS_IS_MENU_PROVIDER (provider), NULL);
 91 
 92 	if (NAUTILUS_MENU_PROVIDER_GET_IFACE (provider)->get_file_items) {
 93 		return NAUTILUS_MENU_PROVIDER_GET_IFACE (provider)->get_file_items 
 94 			(provider, window, files);
 95 	} else {
 96 		return NULL;
 97 	}
 98 }
 99 
100 /**
101  * nautilus_menu_provider_get_background_items:
102  * @provider: a #NautilusMenuProvider
103  * @window: the parent #GtkWidget window
104  * @current_folder: the folder for which background items are requested
105  *
106  * Returns: (element-type NautilusMenuItem) (transfer full): the provided list of #NautilusMenuItem
107  */
108 GList *
109 nautilus_menu_provider_get_background_items (NautilusMenuProvider *provider,
110 					     GtkWidget *window,
111 					     NautilusFileInfo *current_folder)
112 {
113 	g_return_val_if_fail (NAUTILUS_IS_MENU_PROVIDER (provider), NULL);
114 	g_return_val_if_fail (NAUTILUS_IS_FILE_INFO (current_folder), NULL);
115 
116 	if (NAUTILUS_MENU_PROVIDER_GET_IFACE (provider)->get_background_items) {
117 		return NAUTILUS_MENU_PROVIDER_GET_IFACE (provider)->get_background_items 
118 			(provider, window, current_folder);
119 	} else {
120 		return NULL;
121 	}
122 }
123 
124 /* This function emit a signal to inform nautilus that its item list has changed */
125 void
126 nautilus_menu_provider_emit_items_updated_signal (NautilusMenuProvider* provider)
127 {
128 	g_return_if_fail (NAUTILUS_IS_MENU_PROVIDER (provider));
129 
130 	g_signal_emit_by_name (provider, "items_updated");
131 }