X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=cspi%2Fspi_main.c;h=ad9bd7ba710d152ad800fdd69eac7a36393d1d08;hb=cea452a6e46b8f661f4989eb57267e896c7ce5ef;hp=ffbb447994db923a4793b0cae2577f7785ea13ab;hpb=60ea797aa906619deaaf946e5e4bd8f548d9ad71;p=platform%2Fcore%2Fuifw%2Fat-spi2-atk.git diff --git a/cspi/spi_main.c b/cspi/spi_main.c index ffbb447..ad9bd7b 100644 --- a/cspi/spi_main.c +++ b/cspi/spi_main.c @@ -1,9 +1,223 @@ - /* * * Basic SPI initialization and event loop function prototypes * */ +#include +#include +#include + +#undef DEBUG_OBJECTS + +static CORBA_Environment ev = { 0 }; +static Accessibility_Registry registry = CORBA_OBJECT_NIL; +static GHashTable *live_refs = NULL; + +static guint +cspi_object_hash (gconstpointer key) +{ + CORBA_Object object = (CORBA_Object) key; + guint retval; + + retval = CORBA_Object_hash (object, 0, &ev); + + return retval; +} + +static gboolean +cspi_object_equal (gconstpointer a, gconstpointer b) +{ + CORBA_Object objecta = (CORBA_Object) a; + CORBA_Object objectb = (CORBA_Object) b; + gboolean retval; + + retval = CORBA_Object_is_equivalent (objecta, objectb, &ev); + + return retval; +} + +static void +cspi_object_release (gpointer value) +{ + Accessible *a = (Accessible *) value; + +#ifdef DEBUG_OBJECTS + g_print ("releasing %p => %p\n", a, a->objref); +#endif + + cspi_release_unref (a->objref); + + memset (a, 0xaa, sizeof (Accessible)); + a->ref_count = -1; + +#ifndef DEBUG_OBJECTS + free (a); +#endif +} + +SPIBoolean +cspi_accessible_is_a (Accessible *obj, + const char *interface_name) +{ + SPIBoolean retval; + Bonobo_Unknown unknown; + + if (obj == NULL) + { + return FALSE; + } + + unknown = Bonobo_Unknown_queryInterface (CSPI_OBJREF (obj), + interface_name, cspi_ev ()); + + if (ev._major != CORBA_NO_EXCEPTION) + { + g_error ("Exception '%s' checking if is '%s'", + cspi_exception_get_text (), + interface_name); + } + + if (unknown != CORBA_OBJECT_NIL) + { + retval = TRUE; + cspi_release_unref (unknown); + } + else + { + retval = FALSE; + } + + return retval; +} + +static GHashTable * +cspi_get_live_refs (void) +{ + if (!live_refs) + { + live_refs = g_hash_table_new_full (cspi_object_hash, + cspi_object_equal, + NULL, + cspi_object_release); + } + return live_refs; +} + +CORBA_Environment * +cspi_ev (void) +{ + /* This method is an ugly hack */ + return &ev; +} + +Accessibility_Registry +cspi_registry (void) +{ + return registry; +} + +SPIBoolean +cspi_exception (void) +{ + SPIBoolean retval; + + if (ev._major != CORBA_NO_EXCEPTION) + { + CORBA_exception_free (&ev); + retval = TRUE; + } + else + { + retval = FALSE; + } + + return retval; +} + +Accessible * +cspi_object_add (CORBA_Object corba_object) +{ + Accessible *ref; + + if (corba_object == CORBA_OBJECT_NIL) + { + ref = NULL; + } + else if (!cspi_check_ev ("pre method check")) + { + ref = NULL; + } + else + { + if ((ref = g_hash_table_lookup (cspi_get_live_refs (), corba_object))) + { + g_assert (ref->ref_count > 0); + ref->ref_count++; + cspi_release_unref (corba_object); +#ifdef DEBUG_OBJECTS + g_print ("returning cached %p => %p\n", ref, ref->objref); +#endif + } + else + { + ref = malloc (sizeof (Accessible)); + +#ifdef DEBUG_OBJECTS + g_print ("allocating %p => %p\n", ref, corba_object); +#endif + + ref->objref = corba_object; + ref->ref_count = 1; + + g_hash_table_insert (cspi_get_live_refs (), ref->objref, ref); + } + } + + return ref; +} + +void +cspi_object_ref (Accessible *accessible) +{ + g_return_if_fail (accessible != NULL); + + accessible->ref_count++; +} + +void +cspi_object_unref (Accessible *accessible) +{ + if (accessible == NULL) + { + return; + } + + if (--accessible->ref_count == 0) + { + g_hash_table_remove (cspi_get_live_refs (), accessible->objref); + } +} + +static void +cspi_cleanup (void) +{ + GHashTable *refs; + + refs = live_refs; + live_refs = NULL; + if (refs) + { + g_hash_table_destroy (refs); + } + + if (registry != CORBA_OBJECT_NIL) + { + cspi_release_unref (registry); + registry = CORBA_OBJECT_NIL; + } +} + +static gboolean SPI_inited = FALSE; /** * SPI_init: @@ -15,77 +229,61 @@ int SPI_init (void) { - int argc = 0; - CORBA_Object oclient; - char *obj_id; - - CORBA_exception_init(&ev); - - if (!bonobo_init (&argc, NULL)) + if (SPI_inited) { - g_error ("Could not initialize Bonobo"); + return 1; } - obj_id = "OAFIID:Accessibility_Registry:proto0.1"; - - oclient = bonobo_activation_activate_from_id (obj_id, 0, NULL, &ev); - if (ev._major != CORBA_NO_EXCEPTION) { - fprintf (stderr, - ("AT-SPI error: during registry activation: %s\n"), - CORBA_exception_id(&ev)); - CORBA_exception_free(&ev); - exit(-1); - } + SPI_inited = TRUE; - if (CORBA_Object_is_nil (oclient, &ev)) - { - g_error ("Could not locate registry"); - exit(-1); - } + CORBA_exception_init (&ev); - registry = (Accessibility_Registry) oclient; - - bonobo_activate (); + registry = cspi_init (); + g_atexit (cspi_cleanup); + return 0; } /** * SPI_event_main: - * @isGNOMEApp: a #boolean indicating whether the client of the SPI - * will use the Gnome event loop or not. * * Starts/enters the main event loop for the SPI services. * - * (NOTE: This method does not return control, it is exited via a call to exit() - * from within an event handler). + * (NOTE: This method does not return control, it is exited via a call to + * SPI_event_quit () from within an event handler). + * + **/ +void +SPI_event_main (void) +{ + cspi_main (); +} + +/** + * SPI_event_quit: * + * Quits the last main event loop for the SPI services, + * see SPI_event_main **/ void -SPI_event_main (boolean isGNOMEApp) +SPI_event_quit (void) { - if (isGNOMEApp) { - g_atexit(SPI_exit); - bonobo_main(); - } - else { - /* TODO: install signal handlers to do cleanup */ - CORBA_ORB_run (bonobo_orb(), &ev); - fprintf (stderr, "orb loop exited...\n"); - } + cspi_main_quit (); } /** - * SPI_event_is_ready: + * SPI_eventIsReady: * * Checks to see if an SPI event is waiting in the event queue. * Used by clients that don't wish to use SPI_event_main(). + * * Not Yet Implemented. * * Returns: #TRUE if an event is waiting, otherwise #FALSE. * **/ -boolean +SPIBoolean SPI_eventIsReady () { return FALSE; @@ -93,17 +291,18 @@ SPI_eventIsReady () /** * SPI_nextEvent: + * @waitForEvent: a #SPIBoolean indicating whether to block or not. * * Gets the next event in the SPI event queue; blocks if no event - * is pending. + * is pending and @waitForEvent is #TRUE. * Used by clients that don't wish to use SPI_event_main(). + * * Not Yet Implemented. * * Returns: the next #AccessibleEvent in the SPI event queue. - * **/ AccessibleEvent * -SPI_nextEvent (boolean waitForEvent) +SPI_nextEvent (SPIBoolean waitForEvent) { return NULL; } @@ -111,14 +310,57 @@ SPI_nextEvent (boolean waitForEvent) /** * SPI_exit: * - * Disconnects from the Accessibility Registry and releases resources. - * Not Yet Implemented. + * Disconnects from the Accessibility Registry and releases + * any floating resources. Call only once at exit. * + * Returns: 0 if there were no leaks, otherwise non zero. **/ -void +int SPI_exit (void) { - fprintf (stderr, "bye-bye!\n"); - exit(0); + int leaked; + + if (!SPI_inited) + { + return 0; + } + + SPI_inited = FALSE; + + if (live_refs) + { + leaked = g_hash_table_size (live_refs); + } + else + { + leaked = 0; + } + +#ifdef DEBUG_OBJECTS + if (leaked) + { + fprintf (stderr, "Leaked %d SPI handles\n", leaked); + } +#endif + + cspi_cleanup (); + + fprintf (stderr, "bye-bye!\n"); + + return leaked; } +/** + * SPI_freeString: + * @s: a character string returned from another at-spi call. + * + * Free a character string returned from an at-spi call. Clients of + * at-spi should use this function instead of free () or g_free(). + * This API should not be used to free strings + * from other libraries or allocated by the client. + **/ +void +SPI_freeString (char *s) +{ + CORBA_free (s); +}