* Boston, MA 02111-1307, USA.
*/
-/*
- * registry.c: the main accessibility service registry implementation
- */
+/* registry.c: the main accessibility service registry implementation */
+#undef SPI_LISTENER_DEBUG
+
+#include <config.h>
#ifdef SPI_DEBUG
-#include <stdio.h>
+# include <stdio.h>
#endif
-#include <config.h>
-#include <bonobo/Bonobo.h>
-
-/*
- * This pulls the CORBA definitions for the "Accessibility::Registry" server
- */
-#include <libspi/Accessibility.h>
-/*
- * We'd like to replace the dependance on X-isms with a wrapper layer,
- * to the extent that it can't be done with pure GDK.
- * Anyone want to help?
- */
-#include <X11/Xlib.h>
-#include <gdk/gdkx.h>
-
-/*
- * This pulls the definition for the BonoboObject (GType)
- */
+#include <bonobo/bonobo-exception.h>
#include "registry.h"
-/*
- * Our parent GObject type
- */
+/* Our parent GObject type */
#define PARENT_TYPE SPI_LISTENER_TYPE
-/*
- * A pointer to our parent object class
- */
+/* A pointer to our parent object class */
static SpiListenerClass *spi_registry_parent_class;
typedef enum {
ETYPE_PROPERTY,
ETYPE_WINDOW,
ETYPE_TOOLKIT,
+ ETYPE_KEYBOARD,
+
ETYPE_LAST_DEFINED
} EventTypeCategory;
typedef struct {
char *event_name;
EventTypeCategory type_cat;
- char * major;
- char * minor;
- char * detail;
- guint hash;
+ GQuark major; /* from string segment[1] */
+ GQuark minor; /* from string segment[1]+segment[2] */
+ GQuark detail; /* from string segment[3] (not concatenated) */
} EventTypeStruct;
typedef struct {
Accessibility_EventListener listener;
- guint event_type_hash;
+ GQuark event_type_quark;
EventTypeCategory event_type_cat;
} SpiListenerStruct;
/* static function prototypes */
-static void _registry_notify_listeners ( GList *listeners,
- const Accessibility_Event *e,
- CORBA_Environment *ev);
+static gboolean _device_event_controller_hook (gpointer source);
-static long _get_unique_id();
+SpiListenerStruct *
+spi_listener_struct_new (Accessibility_EventListener listener, CORBA_Environment *ev)
+{
+ SpiListenerStruct *retval = g_malloc (sizeof (SpiListenerStruct));
+ retval->listener = bonobo_object_dup_ref (listener, ev);
+ return retval;
+}
+
+
+void
+spi_listener_struct_free (SpiListenerStruct *ls, CORBA_Environment *ev)
+{
+ bonobo_object_release_unref (ls->listener, ev);
+ g_free (ls);
+}
-static gboolean _device_event_controller_hook (gpointer source);
-/*
- * Implemented GObject::finalize
- */
static void
spi_registry_object_finalize (GObject *object)
{
-/* SpiRegistry *registry = SPI_REGISTRY (object); */
- GObjectClass *object_class = G_OBJECT_GET_CLASS( object);
+ printf ("spi_registry_object_finalize called\n");
- printf("spi_registry_object_finalize called\n");
+ /* TODO: unref deviceeventcontroller, which disconnects key listener */
+ G_OBJECT_CLASS (spi_registry_parent_class)->finalize (object);
+}
- object_class->finalize (object);
+static long
+_get_unique_id (void)
+{
+ static long id = 0;
+
+ return ++id;
}
/**
#ifdef SPI_DEBUG
fprintf (stderr, "registering app %p\n", application);
#endif
- registry->desktop->applications = g_list_append (registry->desktop->applications,
- bonobo_object_dup_ref (application, ev));
+ spi_desktop_add_application (registry->desktop, application);
- /* TODO: create unique string here (with libuuid call ?) and hash ? */
- Accessibility_Application__set_id (application, _get_unique_id(), ev);
+ Accessibility_Application__set_id (application, _get_unique_id (), ev);
/*
* TODO: change the implementation below to a WM-aware one;
*/
}
+#ifdef USE_A_HASH_IN_FUTURE
static gint
compare_corba_objects (gconstpointer p1, gconstpointer p2)
{
retval = !CORBA_Object_is_equivalent ((CORBA_Object) p1, (CORBA_Object) p2, &ev);
return retval;
}
+#endif
static void
register_with_toolkits (SpiRegistry *spi_registry_bonobo_object, EventTypeStruct *etype, CORBA_Environment *ev)
Accessibility_Application_registerToolkitEventListener (app,
registry,
CORBA_string_dup (etype->event_name),
-
ev);
}
}
}
+#ifdef USE_A_HASH_IN_FUTURE
+
static gint
-compare_listener_hash (gconstpointer p1, gconstpointer p2)
+compare_listener_quarks (gconstpointer p1, gconstpointer p2)
{
- return (((SpiListenerStruct *)p2)->event_type_hash - ((SpiListenerStruct *)p1)->event_type_hash);
+ return (((SpiListenerStruct *)p2)->event_type_quark !=
+ ((SpiListenerStruct *)p1)->event_type_quark);
}
static gint
return compare_corba_objects (((SpiListenerStruct *)p2)->listener,
((SpiListenerStruct *)p1)->listener);
}
+#endif
static void
-parse_event_type (EventTypeStruct *etype, char *event_name)
+parse_event_type (EventTypeStruct *etype, const char *event_name)
{
- guint nbytes = 0;
gchar **split_string;
+ gchar *s;
- split_string = g_strsplit(event_name, ":", 4);
- etype->event_name = g_strndup(event_name, 255);
+ split_string = g_strsplit (event_name, ":", 4);
+ etype->event_name = g_strdup (event_name);
if (!g_ascii_strncasecmp (event_name, "focus:", 6))
{
if (split_string[1])
{
- etype->major = split_string[1];
if (split_string[2])
{
- etype->minor = split_string[2];
+ etype->minor = g_quark_from_string (s = g_strconcat (split_string[1], split_string[2], NULL));
+ g_free (s);
if (split_string[3])
{
- etype->detail = split_string[3];
- etype->hash = g_str_hash ( g_strconcat (split_string[1], split_string[2], split_string[3], NULL));
+ etype->detail = g_quark_from_string (split_string[3]);
+ s = g_strconcat (split_string[1], split_string[2], split_string[3], NULL);
+ etype->major = g_quark_from_string (s);
+ g_free (s);
}
else
{
- etype->detail = g_strdup ("");
- etype->hash = g_str_hash ( g_strconcat (split_string[1], split_string[2], NULL));
+ etype->detail = g_quark_from_static_string ("");
+ s = g_strconcat (split_string[1], split_string[2], NULL);
+ etype->major = g_quark_from_string (s);
+ g_free (s);
}
}
else
{
- etype->minor = g_strdup ("");
- etype->hash = g_str_hash ( split_string[1]);
+ etype->major = g_quark_from_string (split_string[1]);
+ etype->minor = etype->major;
+ etype->detail = etype->major;
}
}
else
{
- etype->major = g_strdup ("");
- etype->minor = g_strdup ("");
- etype->detail = g_strdup ("");
- etype->hash = g_str_hash ("");
+ etype->major = g_quark_from_static_string ("");
+ etype->minor = etype->major;
+ etype->detail = etype->major;
}
- /* TODO: don't forget to free the strings from caller when done ! */
+ g_strfreev (split_string);
}
/**
CORBA_Environment * ev)
{
SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- GList *list = g_list_find_custom (registry->desktop->applications, &application, compare_corba_objects);
+
+ spi_desktop_remove_application (registry->desktop, application);
#ifdef SPI_DEBUG
- gint i;
+ fprintf (stderr, "de-registered app %p\n", application);
#endif
+}
- if (list)
+static GList **
+get_listener_list (SpiRegistry *registry,
+ EventTypeCategory cat)
+{
+ GList **ret;
+
+ switch (cat)
{
-#ifdef SPI_DEBUG
- fprintf (stderr, "deregistering application %p\n", application);
-#endif
- registry->desktop->applications = g_list_delete_link (registry->desktop->applications, list);
-#ifdef SPI_DEBUG
- fprintf (stderr, "there are now %d apps registered.\n", g_list_length (registry->desktop->applications));
- for (i = 0; i < g_list_length (registry->desktop->applications); ++i) {
- fprintf (stderr, "getting application %d\n", i);
- fprintf (stderr, "object address %p\n",
- g_list_nth_data (registry->desktop->applications, i));
- }
-#endif
+ case ETYPE_OBJECT:
+ case ETYPE_PROPERTY:
+ case ETYPE_FOCUS:
+ ret = ®istry->object_listeners;
+ break;
+ case ETYPE_WINDOW:
+ ret = ®istry->window_listeners;
+ break;
+ case ETYPE_TOOLKIT:
+ ret = ®istry->toolkit_listeners;
+ break;
+ case ETYPE_KEYBOARD:
+ default:
+ ret = NULL;
+ break;
}
- else
- fprintf (stderr, "could not deregister application\n");
+ return ret;
}
/*
*/
static void
impl_accessibility_registry_register_global_event_listener (
- PortableServer_Servant servant,
- Accessibility_EventListener listener,
- const CORBA_char *event_name,
- CORBA_Environment *ev)
+ PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
{
SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- SpiListenerStruct *ls = g_malloc (sizeof (SpiListenerStruct));
+ SpiListenerStruct *ls = spi_listener_struct_new (listener, ev);
EventTypeStruct etype;
- gboolean is_toolkit_specific = TRUE;
+ GList **list;
fprintf(stderr, "registering for events of type %s\n", event_name);
/* parse, check major event type and add listener accordingly */
- parse_event_type (&etype, (char*) event_name);
- ls->event_type_hash = etype.hash;
+ parse_event_type (&etype, event_name);
+ ls->event_type_quark = etype.major;
ls->event_type_cat = etype.type_cat;
- switch (etype.type_cat)
+ list = get_listener_list (registry, etype.type_cat);
+
+ if (list)
+ {
+ *list = g_list_prepend (*list, ls);
+
+ if (etype.type_cat == ETYPE_TOOLKIT)
+ {
+ register_with_toolkits (registry, &etype, ev);
+ }
+ }
+ else
{
- case (ETYPE_FOCUS) :
- case (ETYPE_OBJECT) :
- case (ETYPE_PROPERTY) :
- ls->listener = CORBA_Object_duplicate (listener, ev);
- registry->object_listeners =
- g_list_append (registry->object_listeners, ls);
- break;
- case (ETYPE_WINDOW) :
- /* Support for Window Manager Events is not yet implemented */
- break;
- case (ETYPE_TOOLKIT) :
- ls->listener = CORBA_Object_duplicate (listener, ev);
- registry->toolkit_listeners =
- g_list_append (registry->toolkit_listeners, ls);
- register_with_toolkits (registry, &etype, ev);
- break;
- default:
- break;
+ spi_listener_struct_free (ls, ev);
}
}
+static void
+remove_listener_cb (GList * const *list, gpointer user_data)
+{
+ SpiListenerStruct *ls = (SpiListenerStruct *) (*list)->data;
+ CORBA_Environment ev;
+ Accessibility_EventListener listener = user_data;
+
+ CORBA_exception_init (&ev);
+
+ if (CORBA_Object_is_equivalent (ls->listener, listener, &ev))
+ {
+ spi_re_enterant_list_delete_link (list);
+ spi_listener_struct_free (ls, &ev);
+ }
+
+ CORBA_exception_free (&ev);
+}
+
/*
* CORBA Accessibility::Registry::deregisterGlobalEventListenerAll method implementation
*/
static void
impl_accessibility_registry_deregister_global_event_listener_all (
- PortableServer_Servant servant,
- Accessibility_EventListener listener,
- CORBA_Environment *ev)
+ PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ CORBA_Environment *ev)
{
+ int i;
+ GList **lists[2];
SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- SpiListenerStruct *ls = g_malloc (sizeof (SpiListenerStruct));
- GList *list;
- ls->listener = listener;
- list = g_list_find_custom (registry->object_listeners, ls,
- compare_listener_corbaref);
- /*
- * TODO : de-register with toolkit if the last instance of a listener
- * to a particular toolkit event type has been deregistered.
- */
+ lists[0] = ®istry->object_listeners;
+ lists[1] = ®istry->window_listeners;
+ lists[2] = ®istry->toolkit_listeners;
- while (list)
- {
- fprintf (stderr, "deregistering listener\n");
- registry->object_listeners = g_list_delete_link (registry->object_listeners, list);
- list = g_list_find_custom (registry->object_listeners, ls, compare_listener_corbaref);
- }
- list = g_list_find_custom (registry->toolkit_listeners, ls, compare_listener_corbaref);
- while (list)
+ for (i = 0; i < sizeof (lists) / sizeof (lists[0]); i++)
{
- fprintf (stderr, "deregistering listener\n");
- registry->toolkit_listeners = g_list_delete_link (registry->toolkit_listeners, list);
- list = g_list_find_custom (registry->toolkit_listeners, ls, compare_listener_corbaref);
+ spi_re_enterant_list_foreach (lists [i], remove_listener_cb, listener);
}
}
+
/*
* CORBA Accessibility::Registry::deregisterGlobalEventListener method implementation
*/
static void
impl_accessibility_registry_deregister_global_event_listener (
- PortableServer_Servant servant,
- Accessibility_EventListener listener,
- const CORBA_char * event_name,
- CORBA_Environment *ev)
+ PortableServer_Servant servant,
+ Accessibility_EventListener listener,
+ const CORBA_char *event_name,
+ CORBA_Environment *ev)
{
- SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- SpiListenerStruct ls;
+ SpiRegistry *registry;
EventTypeStruct etype;
- GList *list;
- GList **listeners;
- parse_event_type (&etype, (char *) event_name);
- switch (etype.type_cat)
- {
- case (ETYPE_OBJECT) :
- case (ETYPE_PROPERTY) :
- case (ETYPE_FOCUS) :
- listeners = ®istry->object_listeners;
- break;
- case (ETYPE_WINDOW) :
- /* Support for Window Manager Events is not yet implemented */
- break;
- case (ETYPE_TOOLKIT) :
- listeners = ®istry->toolkit_listeners;
- break;
- default:
- break;
- }
+ registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- ls.event_type_hash = etype.hash;
- list = g_list_find_custom (*listeners, &ls, compare_listener_hash);
+ parse_event_type (&etype, (char *) event_name);
- while (list)
- {
- fprintf (stderr, "deregistering listener\n");
- *listeners = g_list_delete_link (*listeners, list);
- list = g_list_find_custom (*listeners, &ls, compare_listener_hash);
- }
+ spi_re_enterant_list_foreach (get_listener_list (registry, etype.type_cat),
+ remove_listener_cb, listener);
}
return n_desktops;
}
+
/**
* getDesktop:
* @n: the index of the requested @Desktop.
if (n == 0)
{
return (Accessibility_Desktop)
- CORBA_Object_duplicate (BONOBO_OBJREF (registry->desktop), ev);
+ bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
}
else
{
}
}
+
/**
* getDesktopList:
* return values: a sequence containing references to
impl_accessibility_registry_get_desktop_list (PortableServer_Servant servant,
CORBA_Environment * ev)
{
- /* TODO: implement support for multiple virtual desktops */
- return (Accessibility_DesktopSeq *) NULL;
+ SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+ Accessibility_DesktopSeq *desktops;
+
+ desktops = Accessibility_DesktopSeq__alloc ();
+ desktops->_length = desktops->_maximum = 1;
+ desktops->_buffer = Accessibility_DesktopSeq_allocbuf (desktops->_length);
+ desktops->_buffer [0] = bonobo_object_dup_ref (BONOBO_OBJREF (registry->desktop), ev);
+
+ return desktops;
}
+
static Accessibility_DeviceEventController
impl_accessibility_registry_get_device_event_controller (PortableServer_Servant servant,
- CORBA_Environment * ev)
+ CORBA_Environment *ev)
{
SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
if (!registry->device_event_controller)
- registry->device_event_controller = spi_device_event_controller_new (registry);
+ {
+ registry->device_event_controller = spi_device_event_controller_new (registry);
+ }
- return CORBA_Object_duplicate (BONOBO_OBJREF (registry->device_event_controller), ev);
+ return bonobo_object_dup_ref (BONOBO_OBJREF (registry->device_event_controller), ev);
}
+typedef struct {
+ CORBA_Environment *ev;
+ Bonobo_Unknown source;
+ EventTypeStruct etype;
+ Accessibility_Event e_out;
+} NotifyContext;
+
static void
-impl_registry_notify_event (PortableServer_Servant servant,
- const Accessibility_Event *e,
- CORBA_Environment *ev)
+notify_listeners_cb (GList * const *list, gpointer user_data)
{
- SpiRegistry *registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
- EventTypeStruct etype;
+ SpiListenerStruct *ls;
+ NotifyContext *ctx = user_data;
+#ifdef SPI_DEBUG
+ CORBA_string s;
+#endif
- parse_event_type (&etype, e->type);
+ ls = (*list)->data;
- switch (etype.type_cat)
+#ifdef SPI_LISTENER_DEBUG
+ fprintf (stderr, "event quarks: %lx %lx %lx\n", ls->event_type_quark, etype.major, etype.minor);
+ fprintf (stderr, "event name: %s\n", etype.event_name);
+#endif
+
+ if ((ls->event_type_quark == ctx->etype.major) ||
+ (ls->event_type_quark == ctx->etype.minor))
{
- case (ETYPE_OBJECT) :
- case (ETYPE_PROPERTY) :
- case (ETYPE_FOCUS) :
- _registry_notify_listeners (registry->object_listeners, e, ev);
- break;
- case (ETYPE_WINDOW) :
- _registry_notify_listeners (registry->window_listeners, e, ev);
- break;
- case (ETYPE_TOOLKIT) :
- _registry_notify_listeners (registry->toolkit_listeners, e, ev);
- break;
- default:
- break;
- }
- /* Accessibility_Accessible_unref (e->source, ev);*/ /* This should be here! */
-}
+#ifdef SPI_DEBUG
+ fprintf (stderr, "notifying listener %d\n", g_list_index (listeners, l->data));
+ s = Accessibility_Accessible__get_name (ctx->source, ev);
+ fprintf (stderr, "event source name %s\n", s);
+ CORBA_free (s);
+#endif
+
+ ctx->e_out.source = bonobo_object_dup_ref (ctx->source, ctx->ev);
+ if (BONOBO_EX (ctx->ev))
+ return;
-static long
-_get_unique_id ()
-{
- static long id = 0;
- return ++id;
+ if ((*list) && (*list)->data == ls)
+ {
+ Accessibility_EventListener_notifyEvent (
+ (Accessibility_EventListener) ls->listener, &ctx->e_out, ctx->ev);
+ if (ctx->ev->_major != CORBA_NO_EXCEPTION)
+ {
+ g_warning ("Accessibility app error: exception during "
+ "event notification: %s\n",
+ CORBA_exception_id (ctx->ev));
+ }
+ }
+ else /* dup re-entered */
+ {
+ bonobo_object_release_unref (ctx->e_out.source, ctx->ev);
+ }
+ }
}
static void
-_registry_notify_listeners ( GList *listeners,
+impl_registry_notify_event (PortableServer_Servant servant,
const Accessibility_Event *e,
- CORBA_Environment *ev)
+ CORBA_Environment *ev)
{
- int n;
- int len;
- SpiListenerStruct *ls;
- EventTypeStruct etype;
- guint minor_hash;
- parse_event_type (&etype, e->type);
- minor_hash = g_str_hash (g_strconcat (etype.major, etype.minor, NULL));
- len = g_list_length (listeners);
+ SpiRegistry *registry;
+ GList **list;
+ NotifyContext ctx;
+
+ registry = SPI_REGISTRY (bonobo_object_from_servant (servant));
+
+ parse_event_type (&ctx.etype, e->type);
- for (n=0; n<len; ++n)
+ list = get_listener_list (registry, ctx.etype.type_cat);
+
+ if (list)
{
- ls = (SpiListenerStruct *) g_list_nth_data (listeners, n);
-#ifdef SPI_SPI_LISTENER_DEBUG
- fprintf(stderr, "event hashes: %lx %lx %lx\n", ls->event_type_hash, etype.hash, minor_hash);
- fprintf(stderr, "event name: %s\n", etype.event_name);
-#endif
- if ((ls->event_type_hash == etype.hash) || (ls->event_type_hash == minor_hash))
- {
-#ifdef SPI_DEBUG
- fprintf(stderr, "notifying listener #%d\n", n);
- fprintf(stderr, "event source name %s\n", Accessibility_Accessible__get_name(e->source, ev));
-#endif
- e->source = CORBA_Object_duplicate (e->source, ev);
- Accessibility_Accessible_ref ( e->source, ev);
- Accessibility_EventListener_notifyEvent ((Accessibility_EventListener) ls->listener,
- e,
- ev);
- if (ev->_major != CORBA_NO_EXCEPTION) {
- fprintf(stderr,
- ("Accessibility app error: exception during event notification: %s\n"),
- CORBA_exception_id(ev));
- exit(-1);
- }
- }
+ ctx.ev = ev;
+ ctx.e_out = *e;
+ ctx.source = e->source;
+ parse_event_type (&ctx.etype, e->type);
+
+ spi_re_enterant_list_foreach (list, notify_listeners_cb, &ctx);
+ }
+
+ if (e->source != CORBA_OBJECT_NIL)
+ {
+ Accessibility_Accessible_unref (e->source, ev);
}
}
-static gboolean _device_event_controller_hook (gpointer p)
+static gboolean
+_device_event_controller_hook (gpointer p)
{
SpiRegistry *registry = (SpiRegistry *)p;
SpiDeviceEventController *controller = registry->device_event_controller;
registry->object_listeners = NULL;
registry->window_listeners = NULL;
registry->toolkit_listeners = NULL;
- registry->applications = NULL;
- registry->desktop = spi_desktop_new();
+ registry->desktop = spi_desktop_new ();
registry->device_event_controller = NULL;
registry->kbd_event_hook = _device_event_controller_hook;
}
-GType
-spi_registry_get_type (void)
-{
- static GType type = 0;
-
- if (!type) {
- static const GTypeInfo tinfo = {
- sizeof (SpiRegistryClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) spi_registry_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class data */
- sizeof (SpiRegistry),
- 0, /* n preallocs */
- (GInstanceInitFunc) spi_registry_init,
- NULL /* value table */
- };
- /*
- * Here we use bonobo_type_unique instead of
- * gtk_type_unique, this auto-generates a load of
- * CORBA structures for us. All derived types must
- * use bonobo_type_unique.
- */
- type = bonobo_type_unique (
- PARENT_TYPE,
- POA_Accessibility_Registry__init,
- NULL,
- G_STRUCT_OFFSET (SpiRegistryClass, epv),
- &tinfo,
- "SpiRegistry");
- }
-
- return type;
-}
+BONOBO_TYPE_FUNC_FULL (SpiRegistry,
+ Accessibility_Registry,
+ PARENT_TYPE,
+ spi_registry);
SpiRegistry *
spi_registry_new (void)
{
- SpiRegistry *retval =
- SPI_REGISTRY (g_object_new (spi_registry_get_type (), NULL));
+ SpiRegistry *retval = g_object_new (SPI_REGISTRY_TYPE, NULL);
+ bonobo_object_set_immortal (BONOBO_OBJECT (retval), TRUE);
return retval;
}