diff options
Diffstat (limited to 'src/nautilus-module.c')
| -rw-r--r-- | src/nautilus-module.c | 367 |
1 files changed, 192 insertions, 175 deletions
diff --git a/src/nautilus-module.c b/src/nautilus-module.c index 7e52243fd..bf474bd6f 100644 --- a/src/nautilus-module.c +++ b/src/nautilus-module.c @@ -1,6 +1,6 @@ /* * nautilus-module.h - Interface to nautilus extensions - * + * * Copyright (C) 2003 Novell, Inc. * * This library is free software; you can redistribute it and/or @@ -17,7 +17,7 @@ * License along with this library; if not, see <http://www.gnu.org/licenses/>. * * Author: Dave Camp <dave@ximian.com> - * + * */ #include <config.h> @@ -26,32 +26,33 @@ #include <eel/eel-debug.h> #include <gmodule.h> -#define NAUTILUS_TYPE_MODULE (nautilus_module_get_type ()) -#define NAUTILUS_MODULE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NAUTILUS_TYPE_MODULE, NautilusModule)) -#define NAUTILUS_MODULE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_MODULE, NautilusModule)) -#define NAUTILUS_IS_MODULE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NAUTILUS_TYPE_MODULE)) -#define NAUTILUS_IS_MODULE_CLASS(klass) (G_TYPE_CLASS_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_MODULE)) +#define NAUTILUS_TYPE_MODULE (nautilus_module_get_type ()) +#define NAUTILUS_MODULE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), NAUTILUS_TYPE_MODULE, NautilusModule)) +#define NAUTILUS_MODULE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), NAUTILUS_TYPE_MODULE, NautilusModule)) +#define NAUTILUS_IS_MODULE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NAUTILUS_TYPE_MODULE)) +#define NAUTILUS_IS_MODULE_CLASS(klass) (G_TYPE_CLASS_CHECK_CLASS_TYPE ((klass), NAUTILUS_TYPE_MODULE)) -typedef struct _NautilusModule NautilusModule; -typedef struct _NautilusModuleClass NautilusModuleClass; +typedef struct _NautilusModule NautilusModule; +typedef struct _NautilusModuleClass NautilusModuleClass; -struct _NautilusModule { - GTypeModule parent; - - GModule *library; +struct _NautilusModule +{ + GTypeModule parent; - char *path; + GModule *library; - void (*initialize) (GTypeModule *module); - void (*shutdown) (void); + char *path; - void (*list_types) (const GType **types, - int *num_types); + void (*initialize) (GTypeModule *module); + void (*shutdown) (void); + void (*list_types) (const GType **types, + int *num_types); }; -struct _NautilusModuleClass { - GTypeModuleClass parent; +struct _NautilusModuleClass +{ + GTypeModuleClass parent; }; static GList *module_objects = NULL; @@ -63,85 +64,87 @@ G_DEFINE_TYPE (NautilusModule, nautilus_module, G_TYPE_TYPE_MODULE); static gboolean module_pulls_in_orbit (GModule *module) { - gpointer symbol; - gboolean res; + gpointer symbol; + gboolean res; - res = g_module_symbol (module, "ORBit_realloc_tcval", &symbol); + res = g_module_symbol (module, "ORBit_realloc_tcval", &symbol); - return res; + return res; } static gboolean nautilus_module_load (GTypeModule *gmodule) { - NautilusModule *module; - - module = NAUTILUS_MODULE (gmodule); - - module->library = g_module_open (module->path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL); - - if (!module->library) { - g_warning ("%s", g_module_error ()); - return FALSE; - } - - /* ORBit installs atexit() handlers, which would get unloaded together - * with the module now that the main process doesn't depend on GConf anymore, - * causing nautilus to sefgault at exit. - * If we detect that an extension would pull in ORBit, we make the - * module resident to prevent that. - */ - if (module_pulls_in_orbit (module->library)) { - g_module_make_resident (module->library); - } - - if (!g_module_symbol (module->library, - "nautilus_module_initialize", - (gpointer *)&module->initialize) || - !g_module_symbol (module->library, - "nautilus_module_shutdown", - (gpointer *)&module->shutdown) || - !g_module_symbol (module->library, - "nautilus_module_list_types", - (gpointer *)&module->list_types)) { - - g_warning ("%s", g_module_error ()); - g_module_close (module->library); - - return FALSE; - } - - module->initialize (gmodule); - - return TRUE; + NautilusModule *module; + + module = NAUTILUS_MODULE (gmodule); + + module->library = g_module_open (module->path, G_MODULE_BIND_LAZY | G_MODULE_BIND_LOCAL); + + if (!module->library) + { + g_warning ("%s", g_module_error ()); + return FALSE; + } + + /* ORBit installs atexit() handlers, which would get unloaded together + * with the module now that the main process doesn't depend on GConf anymore, + * causing nautilus to sefgault at exit. + * If we detect that an extension would pull in ORBit, we make the + * module resident to prevent that. + */ + if (module_pulls_in_orbit (module->library)) + { + g_module_make_resident (module->library); + } + + if (!g_module_symbol (module->library, + "nautilus_module_initialize", + (gpointer *) &module->initialize) || + !g_module_symbol (module->library, + "nautilus_module_shutdown", + (gpointer *) &module->shutdown) || + !g_module_symbol (module->library, + "nautilus_module_list_types", + (gpointer *) &module->list_types)) + { + g_warning ("%s", g_module_error ()); + g_module_close (module->library); + + return FALSE; + } + + module->initialize (gmodule); + + return TRUE; } static void nautilus_module_unload (GTypeModule *gmodule) { - NautilusModule *module; - - module = NAUTILUS_MODULE (gmodule); - - module->shutdown (); - - g_module_close (module->library); - - module->initialize = NULL; - module->shutdown = NULL; - module->list_types = NULL; + NautilusModule *module; + + module = NAUTILUS_MODULE (gmodule); + + module->shutdown (); + + g_module_close (module->library); + + module->initialize = NULL; + module->shutdown = NULL; + module->list_types = NULL; } static void nautilus_module_finalize (GObject *object) { - NautilusModule *module; - - module = NAUTILUS_MODULE (object); + NautilusModule *module; + + module = NAUTILUS_MODULE (object); + + g_free (module->path); - g_free (module->path); - - G_OBJECT_CLASS (nautilus_module_parent_class)->finalize (object); + G_OBJECT_CLASS (nautilus_module_parent_class)->finalize (object); } static void @@ -152,143 +155,157 @@ nautilus_module_init (NautilusModule *module) static void nautilus_module_class_init (NautilusModuleClass *class) { - G_OBJECT_CLASS (class)->finalize = nautilus_module_finalize; - G_TYPE_MODULE_CLASS (class)->load = nautilus_module_load; - G_TYPE_MODULE_CLASS (class)->unload = nautilus_module_unload; + G_OBJECT_CLASS (class)->finalize = nautilus_module_finalize; + G_TYPE_MODULE_CLASS (class)->load = nautilus_module_load; + G_TYPE_MODULE_CLASS (class)->unload = nautilus_module_unload; } static void -module_object_weak_notify (gpointer user_data, GObject *object) +module_object_weak_notify (gpointer user_data, + GObject *object) { - module_objects = g_list_remove (module_objects, object); + module_objects = g_list_remove (module_objects, object); } static void add_module_objects (NautilusModule *module) { - const GType *types; - int num_types; - int i; - - module->list_types (&types, &num_types); - - for (i = 0; i < num_types; i++) { - if (types[i] == 0) { /* Work around broken extensions */ - break; - } - nautilus_module_add_type (types[i]); - } + const GType *types; + int num_types; + int i; + + module->list_types (&types, &num_types); + + for (i = 0; i < num_types; i++) + { + if (types[i] == 0) /* Work around broken extensions */ + { + break; + } + nautilus_module_add_type (types[i]); + } } static NautilusModule * nautilus_module_load_file (const char *filename) { - NautilusModule *module; - - module = g_object_new (NAUTILUS_TYPE_MODULE, NULL); - module->path = g_strdup (filename); - - if (g_type_module_use (G_TYPE_MODULE (module))) { - add_module_objects (module); - g_type_module_unuse (G_TYPE_MODULE (module)); - return module; - } else { - g_object_unref (module); - return NULL; - } + NautilusModule *module; + + module = g_object_new (NAUTILUS_TYPE_MODULE, NULL); + module->path = g_strdup (filename); + + if (g_type_module_use (G_TYPE_MODULE (module))) + { + add_module_objects (module); + g_type_module_unuse (G_TYPE_MODULE (module)); + return module; + } + else + { + g_object_unref (module); + return NULL; + } } static void load_module_dir (const char *dirname) { - GDir *dir; - - dir = g_dir_open (dirname, 0, NULL); - - if (dir) { - const char *name; - - while ((name = g_dir_read_name (dir))) { - if (g_str_has_suffix (name, "." G_MODULE_SUFFIX)) { - char *filename; - - filename = g_build_filename (dirname, - name, - NULL); - nautilus_module_load_file (filename); - g_free (filename); - } - } - - g_dir_close (dir); - } + GDir *dir; + + dir = g_dir_open (dirname, 0, NULL); + + if (dir) + { + const char *name; + + while ((name = g_dir_read_name (dir))) + { + if (g_str_has_suffix (name, "." G_MODULE_SUFFIX)) + { + char *filename; + + filename = g_build_filename (dirname, + name, + NULL); + nautilus_module_load_file (filename); + g_free (filename); + } + } + + g_dir_close (dir); + } } static void free_module_objects (void) { - GList *l, *next; - - for (l = module_objects; l != NULL; l = next) { - next = l->next; - g_object_unref (l->data); - } - - g_list_free (module_objects); + GList *l, *next; + + for (l = module_objects; l != NULL; l = next) + { + next = l->next; + g_object_unref (l->data); + } + + g_list_free (module_objects); } void nautilus_module_setup (void) { - static gboolean initialized = FALSE; + static gboolean initialized = FALSE; - if (!initialized) { - initialized = TRUE; - - load_module_dir (NAUTILUS_EXTENSIONDIR); + if (!initialized) + { + initialized = TRUE; - eel_debug_call_at_shutdown (free_module_objects); - } + load_module_dir (NAUTILUS_EXTENSIONDIR); + + eel_debug_call_at_shutdown (free_module_objects); + } } GList * nautilus_module_get_extensions_for_type (GType type) { - GList *l; - GList *ret = NULL; - - for (l = module_objects; l != NULL; l = l->next) { - if (G_TYPE_CHECK_INSTANCE_TYPE (G_OBJECT (l->data), - type)) { - g_object_ref (l->data); - ret = g_list_prepend (ret, l->data); - } - } - - return ret; + GList *l; + GList *ret = NULL; + + for (l = module_objects; l != NULL; l = l->next) + { + if (G_TYPE_CHECK_INSTANCE_TYPE (G_OBJECT (l->data), + type)) + { + g_object_ref (l->data); + ret = g_list_prepend (ret, l->data); + } + } + + return ret; } void nautilus_module_extension_list_free (GList *extensions) { - GList *l, *next; - - for (l = extensions; l != NULL; l = next) { - next = l->next; - g_object_unref (l->data); - } - g_list_free (extensions); + GList *l, *next; + + for (l = extensions; l != NULL; l = next) + { + next = l->next; + g_object_unref (l->data); + } + g_list_free (extensions); } -void +void nautilus_module_add_type (GType type) { - GObject *object; - - object = g_object_new (type, NULL); - g_object_weak_ref (object, - (GWeakNotify)module_object_weak_notify, - NULL); - - module_objects = g_list_prepend (module_objects, object); + GObject *object; + + object = g_object_new (type, NULL); + g_object_weak_ref (object, + (GWeakNotify) module_object_weak_notify, + NULL); + + module_objects = g_list_prepend (module_objects, object); } |