*/
#include <string.h>
+#include <ctype.h>
#include <atk/atk.h>
#include <droute/droute.h>
#include "accessible-register.h"
#include "common/spi-dbus.h"
+#include "event.h"
+#include "object.h"
+#include "dbus/dbus-glib-lowlevel.h"
static GArray *listener_ids = NULL;
/*---------------------------------------------------------------------------*/
-#define ITF_EVENT_OBJECT "org.freedesktop.atspi.Event.Object"
-#define ITF_EVENT_WINDOW "org.freedesktop.atspi.Event.Window"
-#define ITF_EVENT_DOCUMENT "org.freedesktop.atspi.Event.Document"
-#define ITF_EVENT_FOCUS "org.freedesktop.atspi.Event.Focus"
+#define ITF_EVENT_OBJECT "org.a11y.atspi.Event.Object"
+#define ITF_EVENT_WINDOW "org.a11y.atspi.Event.Window"
+#define ITF_EVENT_DOCUMENT "org.a11y.atspi.Event.Document"
+#define ITF_EVENT_FOCUS "org.a11y.atspi.Event.Focus"
/*---------------------------------------------------------------------------*/
+typedef struct _SpiReentrantCallClosure
+{
+ GMainLoop *loop;
+ DBusMessage *reply;
+} SpiReentrantCallClosure;
+
+static void
+switch_main_context (GMainContext *cnx)
+{
+/* This code won't work on dbus-glib earlier than 0.9.0 because of FDO#30574 */
+ if (spi_global_app_data->app_bus_addr [0] == '\0')
+ return;
+
+ GList *list;
+
+ dbus_server_setup_with_g_main (spi_global_app_data->server, cnx);
+ dbus_connection_setup_with_g_main (spi_global_app_data->bus, cnx);
+ for (list = spi_global_app_data->direct_connections; list; list = list->next)
+ dbus_connection_setup_with_g_main (list->data, cnx);
+}
+
static void
set_reply (DBusPendingCall * pending, void *user_data)
{
- void **replyptr = (void **) user_data;
+ SpiReentrantCallClosure* closure = (SpiReentrantCallClosure *) user_data;
- *replyptr = dbus_pending_call_steal_reply (pending);
+ closure->reply = dbus_pending_call_steal_reply (pending);
+ dbus_pending_call_unref (pending);
+ switch_main_context (NULL);
+ g_main_loop_quit (closure->loop);
}
static DBusMessage *
send_and_allow_reentry (DBusConnection * bus, DBusMessage * message)
{
DBusPendingCall *pending;
- DBusMessage *reply = NULL;
+ SpiReentrantCallClosure closure;
+ GMainContext *main_context;
- if (!dbus_connection_send_with_reply (bus, message, &pending, -1))
+ main_context = (g_getenv ("AT_SPI_CLIENT") ? NULL :
+ spi_global_app_data->main_context);
+ closure.loop = g_main_loop_new (main_context, FALSE);
+ switch_main_context (main_context);
+
+ if (!dbus_connection_send_with_reply (bus, message, &pending, -1) || !pending)
{
+ switch_main_context (NULL);
return NULL;
}
- dbus_pending_call_set_notify (pending, set_reply, (void *) &reply, NULL);
- while (!reply)
- {
- if (!dbus_connection_read_write_dispatch (bus, -1))
- return NULL;
- }
- return reply;
+ dbus_pending_call_set_notify (pending, set_reply, (void *) &closure, NULL);
+ g_main_loop_run (closure.loop);
+
+ g_main_loop_unref (closure.loop);
+ return closure.reply;
}
/*---------------------------------------------------------------------------*/
spi_object_append_v_reference (iter, ATK_OBJECT (val));
}
+static gchar *
+signal_name_to_dbus (const gchar *s)
+{
+ gchar *ret = g_strdup (s);
+ gchar *t;
+
+ if (!ret)
+ return NULL;
+ ret [0] = toupper (ret [0]);
+ while ((t = strchr (ret, '-')) != NULL)
+ {
+ memmove (t, t + 1, strlen (t));
+ *t = toupper (*t);
+ }
+ return ret;
+}
+
+/*
+ * Converts names of the form "active-descendant-changed" to
+ * "ActiveDescendantChanged"
+ */
+static gchar *
+ensure_proper_format (const char *name)
+{
+ gchar *ret = (gchar *) g_malloc (strlen (name) * 2 + 2);
+ gchar *p = ret;
+ gboolean need_upper = TRUE;
+
+ if (!ret)
+ return NULL;
+ while (*name)
+ {
+ if (need_upper)
+ {
+ *p++ = toupper (*name);
+ need_upper = FALSE;
+ }
+ else if (*name == '-')
+ need_upper = TRUE;
+ else if (*name == ':')
+ {
+ need_upper = TRUE;
+ *p++ = *name;
+ }
+ else
+ *p++ = *name;
+ name++;
+ }
+ *p = '\0';
+ return ret;
+}
+
+static gboolean
+signal_is_needed (const gchar *klass, const gchar *major, const gchar *minor)
+{
+ gchar *data [4];
+ GList *iter;
+ event_data *evdata;
+ gboolean ret = FALSE;
+ GList *list;
+
+ if (!spi_global_app_data->events_initialized)
+ return TRUE;
+
+ data [0] = ensure_proper_format (klass + 21);
+ data [1] = ensure_proper_format (major);
+ data [2] = ensure_proper_format (minor);
+ data [3] = NULL;
+
+ /* Hack: events such as "object::text-changed::insert:system" as
+ generated by Gecko */
+ data [2][strcspn (data [2], ":")] = '\0';
+ for (list = spi_global_app_data->events; list; list = list->next)
+ {
+ evdata = list->data;
+ if (spi_event_is_subtype (data, evdata->data))
+ {
+ ret = TRUE;
+ break;
+ }
+ }
+
+ g_free (data [2]);
+ g_free (data [1]);
+ g_free (data [0]);
+ return ret;
+}
+
/*
* Emits an AT-SPI event.
* AT-SPI events names are split into three parts:
void (*append_variant) (DBusMessageIter *, const char *, const void *))
{
DBusConnection *bus = spi_global_app_data->bus;
- const char *path = spi_register_object_to_path (spi_global_register,
- G_OBJECT (obj));
+ const char *path;
gchar *cname, *t;
DBusMessage *sig;
if (!minor) minor = "";
if (!type) type = "u";
+ if (!signal_is_needed (klass, major, minor))
+ return;
+
+ path = spi_register_object_to_path (spi_global_register, G_OBJECT (obj));
+
/*
* This is very annoying, but as '-' isn't a legal signal
* name in D-Bus (Why not??!?) The names need converting
* on this side, and again on the client side.
*/
- cname = g_strdup(major);
- while ((t = strchr(cname, '-')) != NULL) *t = '_';
+ cname = signal_name_to_dbus (major);
sig = dbus_message_new_signal(path, klass, cname);
- g_free(cname);
dbus_message_iter_init_append(sig, &iter);
- spi_object_append_reference (&iter, spi_global_app_data->root);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &minor);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail1);
dbus_message_iter_append_basic(&iter, DBUS_TYPE_INT32, &detail2);
-
append_variant (&iter, type, val);
+ spi_object_append_reference (&iter, spi_global_app_data->root);
dbus_connection_send(bus, sig, NULL);
dbus_message_unref(sig);
+
+ if (g_strcmp0 (cname, "ChildrenChanged") != 0)
+ spi_object_lease_if_needed (G_OBJECT (obj));
+
+ g_free(cname);
+ g_free (path);
}
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
-#define PCHANGE "property-change"
+#define PCHANGE "PropertyChange"
/*
* This handler handles the following ATK signals and
emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
}
- if (strcmp (pname, "accessible-description") == 0)
+ else if (strcmp (pname, "accessible-description") == 0)
{
s1 = atk_object_get_description (accessible);
if (s1 != NULL)
emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
DBUS_TYPE_STRING_AS_STRING, s1, append_basic);
}
- if (strcmp (pname, "accessible-parent") == 0)
+ else if (strcmp (pname, "accessible-parent") == 0)
{
otemp = atk_object_get_parent (accessible);
if (otemp != NULL)
emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
"(so)", otemp, append_object);
}
- if (strcmp (pname, "accessible-table-summary") == 0)
+ else if (strcmp (pname, "accessible-role") == 0)
+ {
+ i = atk_object_get_role (accessible);
+ emit_event (accessible, ITF_EVENT_OBJECT, PCHANGE, pname, 0, 0,
+ DBUS_TYPE_UINT32_AS_STRING, GINT_TO_POINTER(i), append_basic);
+ }
+ else if (strcmp (pname, "accessible-table-summary") == 0)
{
otemp = atk_table_get_summary (ATK_TABLE (accessible));
if (otemp != NULL)
AtkObject *child;
GSignalQuery signal_query;
const gchar *name, *minor;
- gchar *s;
gint detail1;
g_signal_query (signal_hint->signal_id, &signal_query);
emit_event (accessible, ITF_EVENT_OBJECT, name, "", detail1, 0,
"(so)", child, append_object);
- g_free (s);
return TRUE;
}
/*---------------------------------------------------------------------------*/
/*
+ * Children changed signal converter and forwarder.
+ *
+ * Klass (Interface) org.a11y.atspi.Event.Object
+ * Major is the signal name.
+ * Minor is 'add' or 'remove'
+ * detail1 is the index.
+ * detail2 is 0.
+ * any_data is the child reference.
+ */
+static gboolean
+children_changed_event_listener (GSignalInvocationHint * signal_hint,
+ guint n_param_values,
+ const GValue * param_values, gpointer data)
+{
+ GSignalQuery signal_query;
+ const gchar *name, *minor;
+ gint detail1, detail2 = 0;
+
+ AtkObject *accessible, *ao=NULL;
+ gpointer child;
+
+ g_signal_query (signal_hint->signal_id, &signal_query);
+ name = signal_query.signal_name;
+
+ accessible = ATK_OBJECT (g_value_get_object (¶m_values[0]));
+ minor = g_quark_to_string (signal_hint->detail);
+
+ detail1 = g_value_get_uint (param_values + 1);
+ child = g_value_get_pointer (param_values + 2);
+
+ if (ATK_IS_OBJECT (child))
+ {
+ ao = ATK_OBJECT (child);
+ emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2,
+ "(so)", ao, append_object);
+ }
+ else if ((minor != NULL) && (strcmp (minor, "add") == 0))
+ {
+ ao = atk_object_ref_accessible_child (accessible,
+ detail1);
+ emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2,
+ "(so)", ao, append_object);
+ }
+ else
+ {
+ emit_event (accessible, ITF_EVENT_OBJECT, name, minor, detail1, detail2,
+ "(so)", ao, append_object);
+ }
+
+ return TRUE;
+}
+
+/*---------------------------------------------------------------------------*/
+
+static void
+toplevel_added_event_listener (AtkObject * accessible,
+ guint index, AtkObject * child)
+{
+ emit_event (accessible, ITF_EVENT_OBJECT, "children-changed", "add", index, 0,
+ "(so)", child, append_object);
+}
+
+static void
+toplevel_removed_event_listener (AtkObject * accessible,
+ guint index, AtkObject * child)
+{
+ emit_event (accessible, ITF_EVENT_OBJECT, "children-changed", "remove", index, 0,
+ "(so)", child, append_object);
+}
+
+/*---------------------------------------------------------------------------*/
+
+/*
* Generic signal converter and forwarder.
*
- * Klass (Interface) org.freedesktop.atspi.Event.Object
+ * Klass (Interface) org.a11y.atspi.Event.Object
* Major is the signal name.
* Minor is NULL.
* detail1 is 0.
add_signal_listener (generic_event_listener, "Gtk:AtkTable:column-deleted");
add_signal_listener (generic_event_listener, "Gtk:AtkTable:model-changed");
+ /* Children signal listeners */
+ atk_add_global_event_listener (children_changed_event_listener,
+ "Gtk:AtkObject:children-changed");
+
+#if 0
+ g_signal_connect (G_OBJECT (spi_global_app_data->root),
+ "children-changed::add",
+ (GCallback) toplevel_added_event_listener, NULL);
+
+ g_signal_connect (G_OBJECT (spi_global_app_data->root),
+ "children-changed::remove",
+ (GCallback) toplevel_removed_event_listener, NULL);
+#endif
+
/*
* May add the following listeners to implement preemptive key listening for GTK+
*
}
}
+gboolean
+spi_event_is_subtype (gchar **needle, gchar **haystack)
+{
+ while (*haystack && **haystack)
+ {
+ if (g_strcmp0 (*needle, *haystack))
+ return FALSE;
+ needle++;
+ haystack++;
+ }
+ return TRUE;
+}
+
/*END------------------------------------------------------------------------*/
projects / platform / core / uifw / at-spi2-atk.git / blobdiff