+ * 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];
+ 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: Always pass events that update the cache.
+ * TODO: FOr 2.2, have at-spi2-core define a special "cache listener" for
+ * this instead, so that we don't send these if no one is listening */
+ if (!g_strcmp0 (data [1], "ChildrenChanged") ||
+ ((!g_strcmp0 (data [1], "PropertyChange")) &&
+ (!g_strcmp0 (data [2], "accessible-name") ||
+ !g_strcmp0 (data [2], "accessible-description") ||
+ !g_strcmp0 (data [2], "accessible-parent") ||
+ !g_strcmp0 (data [2], "accessible-role"))) ||
+ !g_strcmp0 (data [1], "StateChanged"))
+ {
+ g_free (data [2]);
+ g_free (data [1]);
+ g_free (data [0]);
+ return TRUE;
+ }
+
+ /* 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;
+ }
+ }
+
+#if 0
+ g_print("event: %s %s %s: %d\n", data[0], data[1], data[2], ret);
+#endif
+ g_free (data [2]);
+ g_free (data [1]);
+ g_free (data [0]);
+ return ret;
+}
+
+/* Convert a : to a / so that listeners can use arg0path to match only
+ * * the prefix */
+static char *
+adapt_minor_for_dbus (const char *source)
+{
+ gchar *ret = g_strdup (source);
+ int i = strcspn (ret, ":");
+ if (ret[i] == ':')
+ ret[i] = '/';
+ return ret;
+}
+
+/*