Re: getting the list of all gnome-vfs modules

[Christophe Fergeau <teuf users sourceforge net>]

Here comes an updated version of the patch, I hope I didn't forget any change.

Christophe

Index: libgnomevfs/gnome-vfs-application-registry.c
===================================================================
RCS file: /cvs/gnome/gnome-vfs/libgnomevfs/gnome-vfs-application-registry.c,v
retrieving revision 1.21
diff -u -r1.21 gnome-vfs-application-registry.c
--- libgnomevfs/gnome-vfs-application-registry.c	29 May 2002 00:43:47 -0000	1.21
+++ libgnomevfs/gnome-vfs-application-registry.c	23 Aug 2002 16:19:59 -0000
@@ -705,7 +705,7 @@
 	Application *application;
 	char *key;
 	char *lang;
-	
+
 	fp = fopen (filename, "r");
 	if (fp == NULL)
 		return;
@@ -1594,7 +1594,8 @@
 						    const char *uri_scheme)
 {
 	Application *application;
-
+	gboolean uses_gnomevfs;
+	
 	g_return_val_if_fail (app_id != NULL, FALSE);
 	g_return_val_if_fail (uri_scheme != NULL, FALSE);
 
@@ -1604,7 +1605,10 @@
 	if (application == NULL)
 		return FALSE;
 
+	uses_gnomevfs = real_get_bool_value (application, GNOME_VFS_APPLICATION_REGISTRY_USES_GNOMEVFS, NULL);
+
 	if (strcmp (uri_scheme, "file") == 0 &&
+	    uses_gnomevfs == FALSE &&
 	    application->supported_uri_schemes == NULL &&
 	    application->user_application->supported_uri_schemes == NULL) {
 		return TRUE;
@@ -1624,6 +1628,21 @@
 				 (GCompareFunc) strcmp) != NULL)) {
 		return TRUE;
 	}
+	/* check in the list of uris supported by gnome-vfs if necessary */
+	else if (uses_gnomevfs) {
+		GList *supported_uris;
+		gboolean res;
+		
+		supported_uris = gnome_vfs_configuration_get_methods_list();
+		res = (g_list_find_custom(supported_uris,
+					  /*glib is const incorrect*/(gpointer) uri_scheme,
+					  (GCompareFunc) strcmp) != NULL);
+
+		g_list_foreach(supported_uris, (GFunc) g_free, NULL);
+		g_list_free(supported_uris);
+
+		return res;
+	}
 
 	return FALSE;
 }
@@ -1851,6 +1870,7 @@
 {
 	Application *i_application;
 	GnomeVFSMimeApplication *application;
+	gboolean uses_gnomevfs = FALSE;
 
 	g_return_val_if_fail (app_id != NULL, NULL);
 
@@ -1888,6 +1908,29 @@
 			(i_application,
 			 GNOME_VFS_APPLICATION_REGISTRY_REQUIRES_TERMINAL,
 			 NULL);
+
+	uses_gnomevfs = real_get_bool_value (i_application, GNOME_VFS_APPLICATION_REGISTRY_USES_GNOMEVFS, NULL);
+
+	if (uses_gnomevfs) {
+		GList *methods_list = 
+			gnome_vfs_configuration_get_methods_list();
+		GList *l;
+		if (application->expects_uris == GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_PATHS) {
+			application->expects_uris = GNOME_VFS_MIME_APPLICATION_ARGUMENT_TYPE_URIS;
+		}
+		for (l = methods_list; l != NULL; l = l->next) {
+			if (g_list_find_custom (application->supported_uri_schemes,
+						/*glib is const incorrect*/(gpointer) l->data,
+						(GCompareFunc) strcmp) == NULL) {
+				application->supported_uri_schemes = 
+					g_list_prepend(application->supported_uri_schemes, 
+						       l->data);
+			} else {
+				g_free(l->data);
+			}			
+		}
+		g_list_free(methods_list);
+	}	
 
 	return application;
 }
Index: libgnomevfs/gnome-vfs-application-registry.h
===================================================================
RCS file: /cvs/gnome/gnome-vfs/libgnomevfs/gnome-vfs-application-registry.h,v
retrieving revision 1.9
diff -u -r1.9 gnome-vfs-application-registry.h
--- libgnomevfs/gnome-vfs-application-registry.h	3 Aug 2001 00:39:58 -0000	1.9
+++ libgnomevfs/gnome-vfs-application-registry.h	23 Aug 2002 16:19:59 -0000
@@ -39,6 +39,7 @@
 /* These are the standard boolean keys to get */
 #define GNOME_VFS_APPLICATION_REGISTRY_CAN_OPEN_MULTIPLE_FILES "can_open_multiple_files"
 #define GNOME_VFS_APPLICATION_REGISTRY_REQUIRES_TERMINAL "requires_terminal"
+#define GNOME_VFS_APPLICATION_REGISTRY_USES_GNOMEVFS "uses_gnomevfs"
 	
 /*
  * Existance check
Index: libgnomevfs/gnome-vfs-configuration.c
===================================================================
RCS file: /cvs/gnome/gnome-vfs/libgnomevfs/gnome-vfs-configuration.c,v
retrieving revision 1.18
diff -u -r1.18 gnome-vfs-configuration.c
--- libgnomevfs/gnome-vfs-configuration.c	28 Jan 2002 19:10:07 -0000	1.18
+++ libgnomevfs/gnome-vfs-configuration.c	23 Aug 2002 16:19:59 -0000
@@ -554,3 +554,28 @@
 		*args = element->args;
 	return element->path;
 }
+
+static void
+add_method_to_list(const gchar *key, gpointer value, GList **methods_list)
+{
+	*methods_list = g_list_append(*methods_list, g_strdup(key));
+}
+
+GList *
+gnome_vfs_configuration_get_methods_list (void)
+{
+	GList *methods_list = NULL;
+
+	G_LOCK (configuration);
+	if (configuration != NULL) {
+		maybe_reload ();
+		g_hash_table_foreach(configuration->method_to_module_path, 
+				     (GHFunc)add_method_to_list, &methods_list);
+	} else {
+		/* This should never happen.  */
+		methods_list = NULL;
+	}
+
+	G_UNLOCK (configuration);
+	return methods_list;
+}
Index: libgnomevfs/gnome-vfs-configuration.h
===================================================================
RCS file: /cvs/gnome/gnome-vfs/libgnomevfs/gnome-vfs-configuration.h,v
retrieving revision 1.4
diff -u -r1.4 gnome-vfs-configuration.h
--- libgnomevfs/gnome-vfs-configuration.h	3 Aug 2001 00:39:58 -0000	1.4
+++ libgnomevfs/gnome-vfs-configuration.h	23 Aug 2002 16:19:59 -0000
@@ -25,6 +25,7 @@
 #define GNOME_VFS_CONFIGURATION_H
 
 #include <glib/gtypes.h>
+#include <glib/glist.h>
 
 G_BEGIN_DECLS
 
@@ -32,6 +33,8 @@
 gboolean     gnome_vfs_configuration_init            (void);
 void         gnome_vfs_configuration_uninit          (void);
 const gchar *gnome_vfs_configuration_get_module_path (const gchar *method_name, const char ** args);
+GList       *gnome_vfs_configuration_get_methods_list(void);
+
 
 G_END_DECLS