X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=atspi%2Fatspi-event-listener.c;h=5c4b44280fea9d3c975fc574acbfc35efd29a5a3;hb=d73e6b21e10f2a3d1f6e313b40f66c009c09a79c;hp=e02a12d77bcd0338695b603420c44728d940a0eb;hpb=4c0487344c96148acfa4051713a41b757d0d4a2e;p=platform%2Fupstream%2Fat-spi2-core.git diff --git a/atspi/atspi-event-listener.c b/atspi/atspi-event-listener.c index e02a12d..5c4b442 100644 --- a/atspi/atspi-event-listener.c +++ b/atspi/atspi-event-listener.c @@ -23,6 +23,7 @@ */ #include "atspi-private.h" +#include "atspi-accessible-private.h" #include #include @@ -31,9 +32,11 @@ typedef struct AtspiEventListenerCB callback; void *user_data; GDestroyNotify callback_destroyed; + char *event_type; char *category; char *name; char *detail; + GArray *properties; } EventListenerEntry; G_DEFINE_TYPE (AtspiEventListener, atspi_event_listener, G_TYPE_OBJECT) @@ -49,7 +52,7 @@ atspi_event_listener_class_init (AtspiEventListenerClass *klass) } static void -remove_datum (const AtspiEvent *event, void *user_data) +remove_datum (AtspiEvent *event, void *user_data) { AtspiEventListenerSimpleCB cb = user_data; cb (event); @@ -116,7 +119,7 @@ callback_unref (gpointer callback) /** * atspi_event_listener_new: - * @callback: (scope notified): An #AtspiEventListenerSimpleCB to be called + * @callback: (scope notified): An #AtspiEventListenerCB to be called * when an event is fired. * @user_data: (closure): data to pass to the callback. * @callback_destroyed: A #GDestroyNotify called when the listener is freed @@ -140,7 +143,7 @@ atspi_event_listener_new (AtspiEventListenerCB callback, } /** - * atspi_event_listener_new_simple: + * atspi_event_listener_new_simple: (skip) * @callback: (scope notified): An #AtspiEventListenerSimpleCB to be called * when an event is fired. * @callback_destroyed: A #GDestroyNotify called when the listener is freed @@ -164,7 +167,7 @@ atspi_event_listener_new_simple (AtspiEventListenerSimpleCB callback, static GList *event_listeners = NULL; static gchar * -convert_name_from_dbus (const char *name) +convert_name_from_dbus (const char *name, gboolean path_hack) { gchar *ret = g_malloc (g_utf8_strlen (name, -1) * 2 + 1); const char *p = name; @@ -181,6 +184,11 @@ convert_name_from_dbus (const char *name) *q++ = '-'; *q++ = tolower (*p++); } + else if (path_hack && *p == '/') + { + *q++ = ':'; + p++; + } else *q++ = *p++; } @@ -204,9 +212,9 @@ cache_process_children_changed (AtspiEvent *event) { if (g_list_find (event->source->children, child)) return; - GList *new_list = g_list_insert (event->source->children, g_object_ref (child), event->detail1); - if (new_list) - event->source->children = new_list; + event->source->children = g_list_insert (event->source->children, + g_object_ref (child), + event->detail1); } else if (g_list_find (event->source->children, child)) { @@ -265,6 +273,18 @@ cache_process_property_change (AtspiEvent *event) event->source->cached_properties &= ~ATSPI_CACHE_DESCRIPTION; } } + else if (!strcmp (event->type, "object:property-change:accessible-role")) + { + if (G_VALUE_HOLDS_INT (&event->any_data)) + { + event->source->role = g_value_get_int (&event->any_data); + _atspi_accessible_add_cache (event->source, ATSPI_CACHE_ROLE); + } + else + { + event->source->cached_properties &= ~ATSPI_CACHE_ROLE; + } + } } static void @@ -331,7 +351,7 @@ strdup_and_adjust_for_dbus (const char *s) } static gboolean -convert_event_type_to_dbus (const char *eventType, char **categoryp, char **namep, char **detailp, char **matchrule) +convert_event_type_to_dbus (const char *eventType, char **categoryp, char **namep, char **detailp, GPtrArray **matchrule_array) { gchar *tmp = strdup_and_adjust_for_dbus (eventType); char *category = NULL, *name = NULL, *detail = NULL; @@ -340,31 +360,34 @@ convert_event_type_to_dbus (const char *eventType, char **categoryp, char **name if (tmp == NULL) return FALSE; category = strtok_r (tmp, ":", &saveptr); if (category) category = g_strdup (category); - if (!category) goto oom; name = strtok_r (NULL, ":", &saveptr); if (name) { name = g_strdup (name); - if (!name) goto oom; detail = strtok_r (NULL, ":", &saveptr); if (detail) detail = g_strdup (detail); } - if (matchrule) + if (matchrule_array) { - *matchrule = g_strdup_printf ("type='signal',interface='org.a11y.atspi.Event.%s'", category); - if (!*matchrule) goto oom; + gchar *matchrule; + matchrule = g_strdup_printf ("type='signal',interface='org.a11y.atspi.Event.%s'", category); if (name && name [0]) { - gchar *new_str = g_strconcat (*matchrule, ",member='", name, "'", NULL); - g_free (*matchrule); - *matchrule = new_str; + gchar *new_str = g_strconcat (matchrule, ",member='", name, "'", NULL); + g_free (matchrule); + matchrule = new_str; } + (*matchrule_array) = g_ptr_array_new (); if (detail && detail [0]) { - gchar *new_str = g_strconcat (*matchrule, ",arg0='", detail, "'", NULL); - g_free (*matchrule); - *matchrule = new_str; + gchar *new_str = g_strconcat (matchrule, ",arg0='", detail, "'", NULL); + g_ptr_array_add (*matchrule_array, new_str); + new_str = g_strconcat (matchrule, ",arg0path='", detail, "/'", NULL); + g_ptr_array_add (*matchrule_array, new_str); + g_free (matchrule); } + else + g_ptr_array_add (*matchrule_array, matchrule); } if (categoryp) *categoryp = category; else g_free (category); @@ -374,18 +397,13 @@ convert_event_type_to_dbus (const char *eventType, char **categoryp, char **name else if (detail) g_free (detail); g_free (tmp); return TRUE; -oom: - if (tmp) g_free (tmp); - if (category) g_free (category); - if (name) g_free (name); - if (detail) g_free (detail); - return FALSE; } static void listener_entry_free (EventListenerEntry *e) { gpointer callback = (e->callback == remove_datum ? (gpointer)e->user_data : (gpointer)e->callback); + g_free (e->event_type); g_free (e->category); g_free (e->name); if (e->detail) g_free (e->detail); @@ -498,6 +516,59 @@ atspi_event_listener_register (AtspiEventListener *listener, } /** + * atspi_event_listener_register_full: + * @listener: The #AtspiEventListener to register against an event type. + * @event_type: a character string indicating the type of events for which + * notification is requested. See #atspi_event_listener_register + * for a description of the format and legal event types. +* @properties: (element-type gchar*) (transfer none) (allow-none): a list of + * properties that should be sent along with the event. The + * properties are valued for the duration of the event callback.k + * TODO: Document. + * + * Adds an in-process callback function to an existing #AtspiEventListener. + * + * Returns: #TRUE if successful, otherwise #FALSE. + **/ +gboolean +atspi_event_listener_register_full (AtspiEventListener *listener, + const gchar *event_type, + GArray *properties, + GError **error) +{ + /* TODO: Keep track of which events have been registered, so that we + * deregister all of them when the event listener is destroyed */ + + return atspi_event_listener_register_from_callback_full (listener->callback, + listener->user_data, + listener->cb_destroyed, + event_type, + properties, + error); +} + +static gboolean +notify_event_registered (EventListenerEntry *e) +{ + + if (e->properties) + dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry, + atspi_path_registry, + atspi_interface_registry, + "RegisterEvent", + NULL, "sas", e->event_type, + e->properties); + else + dbind_method_call_reentrant (_atspi_bus (), atspi_bus_registry, + atspi_path_registry, + atspi_interface_registry, + "RegisterEvent", + NULL, "s", e->event_type); + + return TRUE; +} + +/** * atspi_event_listener_register_from_callback: * @callback: (scope notified): the #AtspiEventListenerCB to be registered * against an event type. @@ -519,11 +590,42 @@ atspi_event_listener_register_from_callback (AtspiEventListenerCB callback, const gchar *event_type, GError **error) { + return atspi_event_listener_register_from_callback_full (callback, + user_data, + callback_destroyed, + event_type, NULL, + error); +} + +static GArray * +copy_event_properties (GArray *src) +{ + gint i; + + GArray *dst = g_array_new (FALSE, FALSE, sizeof (char *)); + + if (!src) + return dst; + for (i = 0; i < src->len; i++) + { + gchar *dup = g_strdup (g_array_index (src, char *, i)); + g_array_append_val (dst, dup); + } + return dst; +} + +gboolean +atspi_event_listener_register_from_callback_full (AtspiEventListenerCB callback, + void *user_data, + GDestroyNotify callback_destroyed, + const gchar *event_type, + GArray *properties, + GError **error) +{ EventListenerEntry *e; - char *matchrule; DBusError d_error; - GList *new_list; - DBusMessage *message, *reply; + GPtrArray *matchrule_array; + gint i; if (!callback) { @@ -537,48 +639,54 @@ atspi_event_listener_register_from_callback (AtspiEventListenerCB callback, } e = g_new (EventListenerEntry, 1); + e->event_type = g_strdup (event_type); e->callback = callback; e->user_data = user_data; e->callback_destroyed = callback_destroyed; callback_ref (callback == remove_datum ? (gpointer)user_data : (gpointer)callback, callback_destroyed); - if (!convert_event_type_to_dbus (event_type, &e->category, &e->name, &e->detail, &matchrule)) + if (!convert_event_type_to_dbus (event_type, &e->category, &e->name, &e->detail, &matchrule_array)) { g_free (e); return FALSE; } - new_list = g_list_prepend (event_listeners, e); - if (!new_list) - { - listener_entry_free (e); - return FALSE; - } - event_listeners = new_list; - dbus_error_init (&d_error); - dbus_bus_add_match (_atspi_bus(), matchrule, &d_error); - if (d_error.message) + e->properties = copy_event_properties (properties); + event_listeners = g_list_prepend (event_listeners, e); + for (i = 0; i < matchrule_array->len; i++) { - g_warning ("Atspi: Adding match: %s", d_error.message); - /* TODO: Set error */ - } + char *matchrule = g_ptr_array_index (matchrule_array, i); + dbus_error_init (&d_error); + dbus_bus_add_match (_atspi_bus(), matchrule, &d_error); + if (dbus_error_is_set (&d_error)) + { + g_warning ("Atspi: Adding match: %s", d_error.message); + dbus_error_free (&d_error); + /* TODO: Set error */ + } - dbus_error_init (&d_error); - message = dbus_message_new_method_call (atspi_bus_registry, - atspi_path_registry, - atspi_interface_registry, - "RegisterEvent"); - if (!message) - return FALSE; - dbus_message_append_args (message, DBUS_TYPE_STRING, &event_type, DBUS_TYPE_INVALID); - reply = _atspi_dbus_send_with_reply_and_block (message, error); - if (reply) - dbus_message_unref (reply); + g_free (matchrule); + } + g_ptr_array_free (matchrule_array, TRUE); + notify_event_registered (e); return TRUE; } +void +_atspi_reregister_event_listeners () +{ + GList *l; + EventListenerEntry *e; + + for (l = event_listeners; l; l = l->next) + { + e = l->data; + notify_event_registered (e); + } +} + /** - * atspi_event_listener_register_no_data: + * atspi_event_listener_register_no_data: (skip) * @callback: (scope notified): the #AtspiEventListenerSimpleCB to be * registered against an event type. * @callback_destroyed: A #GDestroyNotify called when the callback is destroyed. @@ -654,10 +762,12 @@ atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback, const gchar *event_type, GError **error) { - char *category, *name, *detail, *matchrule; + char *category, *name, *detail; + GPtrArray *matchrule_array; + gint i; GList *l; - if (!convert_event_type_to_dbus (event_type, &category, &name, &detail, &matchrule)) + if (!convert_event_type_to_dbus (event_type, &category, &name, &detail, &matchrule_array)) { return FALSE; } @@ -676,15 +786,16 @@ atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback, is_superset (detail, e->detail)) { gboolean need_replace; - DBusError d_error; DBusMessage *message, *reply; need_replace = (l == event_listeners); l = g_list_remove (l, e); if (need_replace) event_listeners = l; - dbus_error_init (&d_error); - dbus_bus_remove_match (_atspi_bus(), matchrule, &d_error); - dbus_error_init (&d_error); + for (i = 0; i < matchrule_array->len; i++) + { + char *matchrule = g_ptr_array_index (matchrule_array, i); + dbus_bus_remove_match (_atspi_bus(), matchrule, NULL); + } message = dbus_message_new_method_call (atspi_bus_registry, atspi_path_registry, atspi_interface_registry, @@ -703,12 +814,14 @@ atspi_event_listener_deregister_from_callback (AtspiEventListenerCB callback, g_free (category); g_free (name); if (detail) g_free (detail); - g_free (matchrule); + for (i = 0; i < matchrule_array->len; i++) + g_free (g_ptr_array_index (matchrule_array, i)); + g_ptr_array_free (matchrule_array, TRUE); return TRUE; } /** - * atspi_event_listener_deregister_no_data: + * atspi_event_listener_deregister_no_data: (skip) * @callback: (scope call): the #AtspiEventListenerSimpleCB registered against * an event type. * @event_type: a string specifying the event type for which this @@ -751,11 +864,27 @@ atspi_event_free (AtspiEvent *event) g_free (event); } +static gboolean +detail_matches_listener (const char *event_detail, const char *listener_detail) +{ + if (!listener_detail) + return TRUE; + + if (!event_detail) + return (listener_detail ? FALSE : TRUE); + + return !(listener_detail [strcspn (listener_detail, ":")] == '\0' + ? strncmp (listener_detail, event_detail, + strcspn (event_detail, ":")) + : strcmp (listener_detail, event_detail)); +} + void _atspi_send_event (AtspiEvent *e) { char *category, *name, *detail; GList *l; + GList *called_listeners = NULL; /* Ensure that the value is set to avoid a Python exception */ /* TODO: Figure out how to do this without using a private field */ @@ -775,14 +904,26 @@ _atspi_send_event (AtspiEvent *e) EventListenerEntry *entry = l->data; if (!strcmp (category, entry->category) && (entry->name == NULL || !strcmp (name, entry->name)) && - (entry->detail == NULL || !strcmp (detail, entry->detail))) + detail_matches_listener (detail, entry->detail)) { + GList *l2; + for (l2 = called_listeners; l2; l2 = l2->next) + { + EventListenerEntry *e2 = l2->data; + if (entry->callback == e2->callback && entry->user_data == e2->user_data) + break; + } + if (!l2) + { entry->callback (atspi_event_copy (e), entry->user_data); + called_listeners = g_list_prepend (called_listeners, entry); + } } } if (detail) g_free (detail); g_free (name); g_free (category); + g_list_free (called_listeners); } DBusHandlerResult @@ -799,8 +940,10 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) AtspiEvent e; dbus_int32_t detail1, detail2; char *p; + GHashTable *cache = NULL; - if (strcmp (signature, "siiv(so)") != 0) + if (strcmp (signature, "siiv(so)") != 0 && + strcmp (signature, "siiva{sv}") != 0) { g_warning ("Got invalid signature %s for signal %s from interface %s\n", signature, member, category); return DBUS_HANDLER_RESULT_HANDLED; @@ -808,16 +951,20 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) memset (&e, 0, sizeof (e)); - if (category) + if (!category) { - category = g_utf8_strrchr (category, -1, '.'); - if (category == NULL) - { - // TODO: Error - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } - category++; + // TODO: Error + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + } + + category = g_utf8_strrchr (category, -1, '.'); + if (category == NULL) + { + // TODO: Error + return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } + category++; + dbus_message_iter_get_basic (&iter, &detail); dbus_message_iter_next (&iter); dbus_message_iter_get_basic (&iter, &detail1); @@ -827,9 +974,9 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) e.detail2 = detail2; dbus_message_iter_next (&iter); - converted_type = convert_name_from_dbus (category); - name = convert_name_from_dbus (member); - detail = convert_name_from_dbus (detail); + converted_type = convert_name_from_dbus (category, FALSE); + name = convert_name_from_dbus (member, FALSE); + detail = convert_name_from_dbus (detail, TRUE); if (strcasecmp (category, name) != 0) { @@ -852,6 +999,14 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) } e.type = converted_type; e.source = _atspi_ref_accessible (dbus_message_get_sender(message), dbus_message_get_path(message)); + if (e.source == NULL) + { + g_warning ("Got no valid source accessible for signal for signal %s from interface %s\n", member, category); + g_free (converted_type); + g_free (name); + g_free (detail); + return DBUS_HANDLER_RESULT_HANDLED; + } dbus_message_iter_recurse (&iter, &iter_variant); switch (dbus_message_iter_get_arg_type (&iter_variant)) @@ -870,7 +1025,8 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) accessible = _atspi_dbus_return_accessible_from_iter (&iter_variant); g_value_init (&e.any_data, ATSPI_TYPE_ACCESSIBLE); g_value_set_instance (&e.any_data, accessible); - g_object_unref (accessible); /* value now owns it */ + if (accessible) + g_object_unref (accessible); /* value now owns it */ } break; } @@ -885,6 +1041,13 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) break; } + dbus_message_iter_next (&iter); + if (dbus_message_iter_get_arg_type (&iter) == DBUS_TYPE_ARRAY) + { + /* new form -- parse properties sent with event */ + cache = _atspi_dbus_update_cache_from_dict (e.source, &iter); + } + if (!strncmp (e.type, "object:children-changed", 23)) { cache_process_children_changed (&e); @@ -897,9 +1060,17 @@ _atspi_dbus_handle_event (DBusConnection *bus, DBusMessage *message, void *data) { cache_process_state_changed (&e); } + else if (!strncmp (e.type, "focus", 5)) + { + /* BGO#663992 - TODO: figure out the real problem */ + e.source->cached_properties &= ~(ATSPI_CACHE_STATES); + } _atspi_send_event (&e); + if (cache) + _atspi_accessible_unref_cache (e.source); + g_free (converted_type); g_free (name); g_free (detail);