* Boston, MA 02111-1307, USA.
*/
-#include <gtk/gtkicontheme.h>
-
+#include <config.h>
+#include <gmodule.h>
#include "gtkfilesystem.h"
+#include "gtkicontheme.h"
+#include "gtkmain.h"
#include <string.h>
gchar *display_name;
gchar *display_key;
gchar *mime_type;
- GtkFileIconType icon_type : 4;
guint is_folder : 1;
guint is_hidden : 1;
};
g_free (info->display_name);
if (info->mime_type)
g_free (info->mime_type);
+ if (info->display_key)
+ g_free (info->display_key);
+
+ g_free (info);
}
G_CONST_RETURN gchar *
{
g_return_if_fail (info != NULL);
+ if (display_name == info->display_name)
+ return;
+
if (info->display_name)
g_free (info->display_name);
if (info->display_key)
info->size = size;
}
-void
-gtk_file_info_set_icon_type (GtkFileInfo *info,
- GtkFileIconType icon_type)
-{
- g_return_if_fail (info != NULL);
-
- info->icon_type = icon_type;
-}
-
-GtkFileIconType
-gtk_file_info_get_icon_type (const GtkFileInfo *info)
-{
- g_return_val_if_fail (info != NULL, GTK_FILE_ICON_REGULAR);
-
- return info->icon_type;
-}
-
-typedef struct _IconCacheElement IconCacheElement;
-
-struct _IconCacheElement
-{
- gint size;
- GdkPixbuf *pixbuf;
-};
-
-static void
-icon_cache_element_free (IconCacheElement *element)
-{
- if (element->pixbuf)
- g_object_unref (element->pixbuf);
- g_free (element);
-}
-
-static void
-icon_theme_changed (GtkIconTheme *icon_theme)
-{
- GHashTable *cache;
-
- /* Difference from the initial creation is that we don't
- * reconnect the signal
- */
- cache = g_hash_table_new_full (g_str_hash, g_str_equal,
- (GDestroyNotify)g_free,
- (GDestroyNotify)icon_cache_element_free);
- g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
- cache, (GDestroyNotify)g_hash_table_destroy);
-}
-
-static GdkPixbuf *
-get_cached_icon (GtkWidget *widget,
- const gchar *name,
- gint pixel_size)
-{
- GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (widget));
- GHashTable *cache = g_object_get_data (G_OBJECT (icon_theme), "gtk-file-icon-cache");
- IconCacheElement *element;
-
- if (!cache)
- {
- cache = g_hash_table_new_full (g_str_hash, g_str_equal,
- (GDestroyNotify)g_free,
- (GDestroyNotify)icon_cache_element_free);
-
- g_object_set_data_full (G_OBJECT (icon_theme), "gtk-file-icon-cache",
- cache, (GDestroyNotify)g_hash_table_destroy);
- g_signal_connect (icon_theme, "changed",
- G_CALLBACK (icon_theme_changed), NULL);
- }
-
- element = g_hash_table_lookup (cache, name);
- if (!element)
- {
- element = g_new0 (IconCacheElement, 1);
- g_hash_table_insert (cache, g_strdup (name), element);
- }
-
- if (element->size != pixel_size)
- {
- if (element->pixbuf)
- g_object_unref (element->pixbuf);
- element->size = pixel_size;
- element->pixbuf = gtk_icon_theme_load_icon (icon_theme, name,
- pixel_size, 0, NULL);
- }
-
- return element->pixbuf ? g_object_ref (element->pixbuf) : NULL;
-}
-
-
-GdkPixbuf *
-gtk_file_info_render_icon (const GtkFileInfo *info,
- GtkWidget *widget,
- gint pixel_size)
-{
- const gchar *separator;
- GdkPixbuf *pixbuf;
- GString *icon_name;
-
- g_return_val_if_fail (info != NULL, NULL);
- g_return_val_if_fail (widget != NULL, NULL);
- g_return_val_if_fail (pixel_size > 0, NULL);
-
- if (info->icon_type != GTK_FILE_ICON_REGULAR)
- {
- const char *name = NULL; /* Quiet gcc */
-
- switch (info->icon_type)
- {
- case GTK_FILE_ICON_BLOCK_DEVICE:
- name ="gnome-fs-blockdev";
- break;
- case GTK_FILE_ICON_BROKEN_SYMBOLIC_LINK:
- name = "gnome-fs-symlink";
- break;
- case GTK_FILE_ICON_CHARACTER_DEVICE:
- name = "gnome-fs-chardev";
- break;
- case GTK_FILE_ICON_DIRECTORY:
- name = "gnome-fs-directory";
- break;
- case GTK_FILE_ICON_EXECUTABLE:
- name ="gnome-fs-executable";
- break;
- case GTK_FILE_ICON_FIFO:
- name = "gnome-fs-fifo";
- break;
- case GTK_FILE_ICON_SOCKET:
- name = "gnome-fs-socket";
- break;
- case GTK_FILE_ICON_REGULAR:
- g_assert_not_reached ();
- }
-
- return get_cached_icon (widget, name, pixel_size);
- }
-
- if (!info->mime_type)
- return NULL;
-
- separator = strchr (info->mime_type, '/');
- if (!separator)
- return NULL;
-
- icon_name = g_string_new ("gnome-mime-");
- g_string_append_len (icon_name, info->mime_type, separator - info->mime_type);
- g_string_append_c (icon_name, '-');
- g_string_append (icon_name, separator + 1);
- pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
- g_string_free (icon_name, TRUE);
- if (pixbuf)
- return pixbuf;
-
- icon_name = g_string_new ("gnome-mime-");
- g_string_append_len (icon_name, info->mime_type, separator - info->mime_type);
- pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
- g_string_free (icon_name, TRUE);
- if (pixbuf)
- return pixbuf;
-
- return get_cached_icon (widget, "gnome-fs-regular", pixel_size);
-}
/*****************************************
* GtkFileSystem *
{
GType iface_type = G_TYPE_FROM_INTERFACE (g_class);
- g_signal_new ("roots-changed",
+ g_signal_new ("volumes-changed",
+ iface_type,
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GtkFileSystemIface, volumes_changed),
+ NULL, NULL,
+ g_cclosure_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+ g_signal_new ("bookmarks-changed",
iface_type,
G_SIGNAL_RUN_LAST,
- G_STRUCT_OFFSET (GtkFileSystemIface, roots_changed),
+ G_STRUCT_OFFSET (GtkFileSystemIface, bookmarks_changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
}
GSList *
-gtk_file_system_list_roots (GtkFileSystem *file_system)
-{
- g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
-
- return GTK_FILE_SYSTEM_GET_IFACE (file_system)->list_roots (file_system);
-}
-
-GtkFileInfo *
-gtk_file_system_get_root_info (GtkFileSystem *file_system,
- const GtkFilePath *path,
- GtkFileInfoType types,
- GError **error)
+gtk_file_system_list_volumes (GtkFileSystem *file_system)
{
g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
- g_return_val_if_fail (path != NULL, NULL);
- g_return_val_if_fail (error == NULL || *error == NULL, NULL);
- return GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_root_info (file_system, path, types, error);
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->list_volumes (file_system);
}
GtkFileFolder *
return GTK_FILE_SYSTEM_GET_IFACE (file_system)->create_folder (file_system, path, error);
}
+/**
+ * gtk_file_system_get_volume_for_path:
+ * @file_system: a #GtkFileSystem
+ * @path: a #GtkFilePath
+ *
+ * Queries the file system volume that corresponds to a specific path.
+ * There might not be a volume for all paths (consinder for instance remote
+ * shared), so this can return NULL.
+ *
+ * Return value: the #GtkFileSystemVolume that corresponds to the specified
+ * @path, or NULL if there is no such volume. You should free this value with
+ * gtk_file_system_volume_free().
+ **/
+GtkFileSystemVolume *
+gtk_file_system_get_volume_for_path (GtkFileSystem *file_system,
+ const GtkFilePath *path)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (path != NULL, NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_volume_for_path (file_system, path);
+}
+
+/**
+ * gtk_file_system_volume_free:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ *
+ * Frees a #GtkFileSystemVolume structure as returned by
+ * gtk_file_system_list_volumes().
+ **/
+void
+gtk_file_system_volume_free (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume)
+{
+ g_return_if_fail (GTK_IS_FILE_SYSTEM (file_system));
+ g_return_if_fail (volume != NULL);
+
+ GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_free (file_system, volume);
+}
+
+/**
+ * gtk_file_system_volume_get_base_path:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ *
+ * Queries the base path for a volume. For example, a CD-ROM device may yield a
+ * path of "/mnt/cdrom".
+ *
+ * Return value: a #GtkFilePath with the base mount path of the specified
+ * @volume.
+ **/
+GtkFilePath *
+gtk_file_system_volume_get_base_path (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (volume != NULL, NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_get_base_path (file_system, volume);
+}
+
+/**
+ * gtk_file_system_volume_get_is_mounted:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ *
+ * Queries whether a #GtkFileSystemVolume is mounted or not. If it is not, it
+ * can be mounted with gtk_file_system_volume_mount().
+ *
+ * Return value: TRUE if the @volume is mounted, FALSE otherwise.
+ **/
+gboolean
+gtk_file_system_volume_get_is_mounted (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
+ g_return_val_if_fail (volume != NULL, FALSE);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_get_is_mounted (file_system, volume);
+}
+
+/**
+ * gtk_file_system_volume_mount:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ * @error: location to store error, or %NULL
+ *
+ * Tries to mount an unmounted volume. This may cause the "volumes-changed"
+ * signal in the @file_system to be emitted.
+ *
+ * Return value: TRUE if the @volume was mounted successfully, FALSE otherwise.
+ **/
+gboolean
+gtk_file_system_volume_mount (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
+ g_return_val_if_fail (volume != NULL, FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_mount (file_system, volume, error);
+}
+
+/**
+ * gtk_file_system_volume_get_display_name:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ *
+ * Queries the human-readable name for a @volume. This string can be displayed
+ * in a list of volumes that can be accessed, for example.
+ *
+ * Return value: A string with the human-readable name for a #GtkFileSystemVolume.
+ **/
+char *
+gtk_file_system_volume_get_display_name (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (volume != NULL, NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_get_display_name (file_system, volume);
+}
+
+/**
+ * gtk_file_system_volume_render_icon:
+ * @file_system: a #GtkFileSystem
+ * @volume: a #GtkFileSystemVolume
+ * @widget: Reference widget to render icons.
+ * @pixel_size: Size of the icon.
+ * @error: location to store error, or %NULL
+ *
+ * Renders an icon suitable for a file #GtkFileSystemVolume.
+ *
+ * Return value: A #GdkPixbuf containing an icon, or NULL if the icon could not
+ * be rendered. In the latter case, the @error value will be set as
+ * appropriate.
+ **/
+GdkPixbuf *
+gtk_file_system_volume_render_icon (GtkFileSystem *file_system,
+ GtkFileSystemVolume *volume,
+ GtkWidget *widget,
+ gint pixel_size,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (volume != NULL, NULL);
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
+ g_return_val_if_fail (pixel_size > 0, NULL);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->volume_render_icon (file_system,
+ volume,
+ widget,
+ pixel_size,
+ error);
+}
+
+/**
+ * gtk_file_system_get_parent:
+ * @file_system: a #GtkFileSystem
+ * @path: base path name
+ * @parent: location to store parent path name
+ * @error: location to store error, or %NULL
+ *
+ * Gets the name of the parent folder of a path. If the path has no parent, as when
+ * you request the parent of a file system root, then @parent will be set to %NULL.
+ *
+ * Return value: %TRUE if the operation was successful: @parent will be set to
+ * the name of the @path's parent, or to %NULL if @path is already a file system
+ * root. If the operation fails, this function returns %FALSE, sets @parent to
+ * NULL, and sets the @error value if it is specified.
+ **/
gboolean
gtk_file_system_get_parent (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFilePath **parent,
GError **error)
{
- GtkFilePath *tmp_parent = NULL;
gboolean result;
g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
g_return_val_if_fail (path != NULL, FALSE);
+ g_return_val_if_fail (parent != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
- result = GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_parent (file_system, path, &tmp_parent, error);
- g_assert (result || tmp_parent == NULL);
+ *parent = NULL;
+
+ result = GTK_FILE_SYSTEM_GET_IFACE (file_system)->get_parent (file_system, path, parent, error);
+ g_assert (result || *parent == NULL);
- if (parent)
- *parent = tmp_parent;
- else
- gtk_file_path_free (tmp_parent);
-
return result;
}
g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
g_return_val_if_fail (base_path != NULL, NULL);
g_return_val_if_fail (display_name != NULL, NULL);
- g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, NULL);
return GTK_FILE_SYSTEM_GET_IFACE (file_system)->make_path (file_system, base_path, display_name, error);
}
return GTK_FILE_SYSTEM_GET_IFACE (file_system)->filename_to_path (file_system, filename);
}
+/**
+ * gtk_file_system_path_is_local:
+ * @filesystem: a #GtkFileSystem
+ * @path: A #GtkFilePath from that filesystem
+ *
+ * Checks whether a #GtkFilePath is local; that is whether
+ * gtk_file_system_path_to_filename would return non-%NULL.
+ *
+ * Return value: %TRUE if the path is loca
+ **/
+gboolean
+gtk_file_system_path_is_local (GtkFileSystem *file_system,
+ const GtkFilePath *path)
+{
+ gchar *filename;
+ gboolean result;
+
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
+ g_return_val_if_fail (path != NULL, FALSE);
+
+ filename = gtk_file_system_path_to_filename (file_system, path);
+ result = filename != NULL;
+ g_free (filename);
+
+ return result;
+}
+
+GdkPixbuf *
+gtk_file_system_render_icon (GtkFileSystem *file_system,
+ const GtkFilePath *path,
+ GtkWidget *widget,
+ gint pixel_size,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+ g_return_val_if_fail (path != NULL, NULL);
+ g_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
+ g_return_val_if_fail (pixel_size > 0, NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->render_icon (file_system, path, widget, pixel_size, error);
+}
+
+/**
+ * gtk_file_system_insert_bookmark:
+ * @file_system: a #GtkFileSystem
+ * @path: path of the bookmark to add
+ * @position: index in the bookmarks list at which the @path should be inserted; use 0
+ * for the beginning, and -1 or the number of bookmarks itself for the end of the list.
+ * @error: location to store error, or %NULL
+ *
+ * Adds a path for a folder to the user's bookmarks list. If the operation
+ * succeeds, the "bookmarks_changed" signal will be emitted. Bookmark paths are
+ * unique; if you try to insert a @path that already exists, the operation will
+ * fail and the @error will be set to #GTK_FILE_SYSTEM_ERROR_ALREADY_EXISTS. To
+ * reorder the list of bookmarks, use gtk_file_system_remove_bookmark() to
+ * remove the path in question, and call gtk_file_system_insert_bookmark() with
+ * the new position for the path.
+ *
+ * Return value: TRUE if the operation succeeds, FALSE otherwise. In the latter case,
+ * the @error value will be set.
+ **/
+gboolean
+gtk_file_system_insert_bookmark (GtkFileSystem *file_system,
+ const GtkFilePath *path,
+ gint position,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
+ g_return_val_if_fail (path != NULL, FALSE);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->insert_bookmark (file_system, path, position, error);
+}
+
+/**
+ * gtk_file_system_remove_bookmark:
+ * @file_system: a #GtkFileSystem
+ * @path: path of the bookmark to remove
+ * @error: location to store error, or %NULL
+ *
+ * Removes a bookmark folder from the user's bookmarks list. If the operation
+ * succeeds, the "bookmarks_changed" signal will be emitted. If you try to remove
+ * a @path which does not exist in the bookmarks list, the operation will fail
+ * and the @error will be set to GTK_FILE_SYSTEM_ERROR_NONEXISTENT.
+ *
+ * Return value: TRUE if the operation succeeds, FALSE otherwise. In the latter
+ * case, the @error value will be set.
+ **/
+gboolean
+gtk_file_system_remove_bookmark (GtkFileSystem *file_system,
+ const GtkFilePath *path,
+ GError **error)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), FALSE);
+ g_return_val_if_fail (path != NULL, FALSE);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->remove_bookmark (file_system, path, error);
+}
+
+/**
+ * gtk_file_system_list_bookmarks:
+ * @file_system: a #GtkFileSystem
+ *
+ * Queries the list of bookmarks in the file system.
+ *
+ * Return value: A list of #GtkFilePath, or NULL if there are no configured
+ * bookmarks. You should use gtk_file_paths_free() to free this list.
+ *
+ * See also: gtk_file_system_get_supports_bookmarks()
+ **/
+GSList *
+gtk_file_system_list_bookmarks (GtkFileSystem *file_system)
+{
+ g_return_val_if_fail (GTK_IS_FILE_SYSTEM (file_system), NULL);
+
+ return GTK_FILE_SYSTEM_GET_IFACE (file_system)->list_bookmarks (file_system);
+}
+
/*****************************************
* GtkFileFolder *
*****************************************/
GError **error)
{
g_return_val_if_fail (GTK_IS_FILE_FOLDER (folder), NULL);
- g_return_val_if_fail (path != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
return GTK_FILE_FOLDER_GET_IFACE (folder)->get_info (folder, path, error);
}
+
+/*****************************************
+ * GtkFilePath modules *
+ *****************************************/
+
+/* We make these real functions in case either copy or free are implemented as macros
+ */
+static gpointer
+gtk_file_path_real_copy (gpointer boxed)
+{
+ return gtk_file_path_copy ((GtkFilePath *) boxed);
+}
+
+static void
+gtk_file_path_real_free (gpointer boxed)
+{
+ gtk_file_path_free (boxed);
+}
+
+GType
+gtk_file_path_get_type (void)
+{
+ static GType our_type = 0;
+
+ if (our_type == 0)
+ our_type = g_boxed_type_register_static ("GtkFilePath",
+ (GBoxedCopyFunc) gtk_file_path_real_copy,
+ (GBoxedFreeFunc) gtk_file_path_real_free);
+
+ return our_type;
+}
+
+
GSList *
gtk_file_paths_sort (GSList *paths)
{
return g_slist_sort (paths, (GCompareFunc)strcmp);
}
+/**
+ * gtk_file_paths_copy:
+ * @paths: A #GSList of #GtkFilePath structures.
+ *
+ * Copies a list of #GtkFilePath structures.
+ *
+ * Return value: A copy of @paths. Since the contents of the list are copied as
+ * well, you should use gtk_file_paths_free() to free the result.
+ **/
+GSList *
+gtk_file_paths_copy (GSList *paths)
+{
+ GSList *head, *tail, *l;
+
+ head = tail = NULL;
+
+ for (l = paths; l; l = l->next)
+ {
+ GtkFilePath *path;
+ GSList *node;
+
+ path = l->data;
+ node = g_slist_alloc ();
+
+ if (tail)
+ tail->next = node;
+ else
+ head = node;
+
+ node->data = gtk_file_path_copy (path);
+ tail = node;
+ }
+
+ return head;
+}
+
void
gtk_file_paths_free (GSList *paths)
{
g_slist_free (paths);
}
+
+/*****************************************
+ * GtkFileSystem modules *
+ *****************************************/
+
+typedef struct _GtkFileSystemModule GtkFileSystemModule;
+typedef struct _GtkFileSystemModuleClass GtkFileSystemModuleClass;
+
+struct _GtkFileSystemModule
+{
+ GTypeModule parent_instance;
+
+ GModule *library;
+
+ void (*init) (GTypeModule *module);
+ void (*exit) (void);
+ GtkFileSystem * (*create) (void);
+
+ gchar *path;
+};
+
+struct _GtkFileSystemModuleClass
+{
+ GTypeModuleClass parent_class;
+};
+
+G_DEFINE_TYPE (GtkFileSystemModule, gtk_file_system_module, G_TYPE_TYPE_MODULE);
+#define GTK_TYPE_FILE_SYSTEM_MODULE (gtk_file_system_module_get_type ())
+#define GTK_FILE_SYSTEM_MODULE(module) (G_TYPE_CHECK_INSTANCE_CAST ((module), GTK_TYPE_FILE_SYSTEM_MODULE, GtkFileSystemModule))
+
+
+static GSList *loaded_file_systems;
+
+static gboolean
+gtk_file_system_module_load (GTypeModule *module)
+{
+ GtkFileSystemModule *fs_module = GTK_FILE_SYSTEM_MODULE (module);
+
+ fs_module->library = g_module_open (fs_module->path, 0);
+ if (!fs_module->library)
+ {
+ g_warning (g_module_error());
+ return FALSE;
+ }
+
+ /* extract symbols from the lib */
+ if (!g_module_symbol (fs_module->library, "fs_module_init",
+ (gpointer *)&fs_module->init) ||
+ !g_module_symbol (fs_module->library, "fs_module_exit",
+ (gpointer *)&fs_module->exit) ||
+ !g_module_symbol (fs_module->library, "fs_module_create",
+ (gpointer *)&fs_module->create))
+ {
+ g_warning (g_module_error());
+ g_module_close (fs_module->library);
+
+ return FALSE;
+ }
+
+ /* call the filesystems's init function to let it */
+ /* setup anything it needs to set up. */
+ fs_module->init (module);
+
+ return TRUE;
+}
+
+static void
+gtk_file_system_module_unload (GTypeModule *module)
+{
+ GtkFileSystemModule *fs_module = GTK_FILE_SYSTEM_MODULE (module);
+
+ fs_module->exit();
+
+ g_module_close (fs_module->library);
+ fs_module->library = NULL;
+
+ fs_module->init = NULL;
+ fs_module->exit = NULL;
+ fs_module->create = NULL;
+}
+
+/* This only will ever be called if an error occurs during
+ * initialization
+ */
+static void
+gtk_file_system_module_finalize (GObject *object)
+{
+ GtkFileSystemModule *module = GTK_FILE_SYSTEM_MODULE (object);
+
+ g_free (module->path);
+
+ G_OBJECT_CLASS (gtk_file_system_module_parent_class)->finalize (object);
+}
+
+static void
+gtk_file_system_module_class_init (GtkFileSystemModuleClass *class)
+{
+ GTypeModuleClass *module_class = G_TYPE_MODULE_CLASS (class);
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+
+ module_class->load = gtk_file_system_module_load;
+ module_class->unload = gtk_file_system_module_unload;
+
+ gobject_class->finalize = gtk_file_system_module_finalize;
+}
+
+static void
+gtk_file_system_module_init (GtkFileSystemModule *fs_module)
+{
+}
+
+
+static GtkFileSystem *
+_gtk_file_system_module_create (GtkFileSystemModule *fs_module)
+{
+ GtkFileSystem *fs;
+
+ if (g_type_module_use (G_TYPE_MODULE (fs_module)))
+ {
+ fs = fs_module->create ();
+ g_type_module_unuse (G_TYPE_MODULE (fs_module));
+ return fs;
+ }
+ return NULL;
+}
+
+
+GtkFileSystem *
+_gtk_file_system_create (const char *file_system_name)
+{
+ GSList *l;
+ char *module_path;
+ GtkFileSystemModule *fs_module;
+ GtkFileSystem *fs;
+
+ for (l = loaded_file_systems; l != NULL; l = l->next)
+ {
+ fs_module = l->data;
+
+ if (strcmp (G_TYPE_MODULE (fs_module)->name, file_system_name) == 0)
+ return _gtk_file_system_module_create (fs_module);
+ }
+
+ fs = NULL;
+ if (g_module_supported ())
+ {
+ module_path = _gtk_find_module (file_system_name, "filesystems");
+
+ if (module_path)
+ {
+ fs_module = g_object_new (GTK_TYPE_FILE_SYSTEM_MODULE, NULL);
+
+ g_type_module_set_name (G_TYPE_MODULE (fs_module), file_system_name);
+ fs_module->path = g_strdup (module_path);
+
+ loaded_file_systems = g_slist_prepend (loaded_file_systems,
+ fs_module);
+
+ fs = _gtk_file_system_module_create (fs_module);
+ }
+
+ g_free (module_path);
+ }
+
+ return fs;
+}
+
+
projects / ~andy / gtk / blobdiff