* cspi/spi_event.c

[platform/core/uifw/at-spi2-atk.git] / cspi / spi_event.c

diff --git a/cspi/spi_event.c b/cspi/spi_event.c
index f8a93be..97515fd 100644 (file)
--- a/cspi/spi_event.c
+++ b/cspi/spi_event.c
@@ -24,6 +24,8 @@
 #include <cspi/spi-private.h>
 #include <cspi/bonobo/cspi-bonobo-listener.h>
 
+static GSList *_cspi_event_queue = NULL;
+
 /**
  * SPI_freeAccessibleKeySet:
  * @keyset: An AccessibleKeyset to free.
@@ -352,16 +354,16 @@ static Accessible *
 cspi_internal_event_get_object (const InternalEvent *e)
 {
   CORBA_any *any;
+  Accessible *accessible;
   g_return_val_if_fail (e, NULL);
   g_return_val_if_fail (e->data, NULL);
   any = (CORBA_any *) e->data;
-  if (any->_type == TC_CORBA_Object) 
-    return cspi_object_add (* (CORBA_Object *) any->_value);
+  if (CORBA_TypeCode_equal (any->_type, TC_CORBA_Object, cspi_ev()))
+    return cspi_object_take (* (CORBA_Object *) any->_value);
   else 
     return NULL;
 }
 
-
 /**
  * AccessibleTextChangedEvent_getChangeString:
  * @event: a pointer to the #AccessibleEvent being queried.
@@ -381,6 +383,41 @@ AccessibleTextChangedEvent_getChangeString (const AccessibleEvent *e)
 }
 
 /**
+ * AccessibleTextSelectionChangedEvent_getSelectionString:
+ * @event: a pointer to the #AccessibleEvent being queried.
+ *
+ * Queries an #AccessibleEvent of type "object:text-selection-changed", 
+ *         returning the newly added, removed, or modified selection string.
+ *
+ * Returns: a UTF-8 text string indicating the recently changed selection.
+ **/
+char *
+AccessibleTextSelectionChangedEvent_getSelectionString (const AccessibleEvent *e)
+{
+  const InternalEvent *foo = (InternalEvent *) e;
+  /* TODO: check the event type? expensive... */
+  return cspi_internal_event_get_text (foo);
+}
+
+/**
+ * AccessibleWindowEvent_getTitleString:
+ * @event: a pointer to the #AccessibleEvent being queried.
+ *
+ * Queries an #AccessibleEvent of type "window:", 
+ *         returning the window title.
+ *
+ * Returns: a UTF-8 text string representing the title of the 
+ *         recently changed window.
+ **/
+char *
+AccessibleWindowEvent_getTitleString (const AccessibleEvent *e)
+{
+  const InternalEvent *foo = (InternalEvent *) e;
+  /* TODO: check the event type? expensive... */
+  return cspi_internal_event_get_text (foo);
+}
+
+/**
  * AccessibleChildChangedEvent_getChildAccessible:
  * @event: a pointer to the #AccessibleEvent being queried.
  *
@@ -401,3 +438,156 @@ AccessibleChildChangedEvent_getChildAccessible (const AccessibleEvent *e)
   return (Accessible *) cspi_internal_event_get_object (foo);
 }
 
+/**
+ * AccessibleParentChangedEvent_getParentAccessible:
+ * @event: a pointer to the #AccessibleEvent being queried.
+ *
+ * Queries an #AccessibleEvent of type "object:parent_changed"
+ *         to get a reference to the changed #Accessible.
+ *         Note that context #Accessibles are not guaranteed to outlive
+ *         event delivery, in which case this call may return %NULL
+ *         even if the object existed at the time of dispatch.
+ *
+ * Returns: an #Accessible pointer representing the new parent object.
+ **/
+Accessible *
+AccessibleParentChangedEvent_getParentAccessible (const AccessibleEvent *e)
+{
+  const InternalEvent *foo = (InternalEvent *) e;
+  return (Accessible *) cspi_internal_event_get_object (foo);
+}
+
+/** NEED TO DOCUMENT THESE **/
+
+Accessible *
+AccessibleActiveDescendantChangedEvent_getActiveDescendant (const AccessibleEvent *e) 
+{
+  const InternalEvent *foo = (InternalEvent *) e;
+  return (Accessible *) cspi_internal_event_get_object (foo);
+}
+
+Accessible *
+AccessibleTableSummaryChangedEvent_getSummaryAccessible (const AccessibleEvent *e) 
+{
+  const InternalEvent *foo = (InternalEvent *) e;
+  return (Accessible *) cspi_internal_event_get_object (foo);
+}
+
+Accessible *
+AccessibleTableHeaderChangedEvent_getHeaderAccessible (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+
+char *
+AccessibleTableCaptionChangedEvent_getCaptionString (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+char *
+AccessibleTableRowDescriptionChangedEvent_getDescriptionString (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+char *
+AccessibleTableColumnDescriptionChangedEvent_getDescriptionString (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+char *
+AccessibleDescriptionChangedEvent_getDescriptionString (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+static gint
+cspi_event_compare (gconstpointer p1, gconstpointer p2)
+{
+  const InternalEvent *e1 = p1, *e2 = p2;
+  return (gint) ((long) e2->id  - (long) e1->id);
+}
+
+static InternalEvent *
+cspi_internal_event_lookup (const InternalEvent *e)
+{
+  InternalEvent *internal = NULL;
+  GSList *p =
+    g_slist_find_custom (_cspi_event_queue, e, cspi_event_compare);
+  if (p)
+    internal = p->data;
+  return internal;
+}
+
+static const InternalEvent *
+cspi_internal_event_check (const AccessibleEvent *e)
+{
+  InternalEvent *internal = (InternalEvent *) e;
+  if (internal->magic == SPI_INTERNAL_EVENT_MAGIC) 
+    return internal;
+  else
+    return NULL;
+}
+
+static InternalEvent *
+cspi_internal_event_add (const InternalEvent *e)
+{
+  _cspi_event_queue = g_slist_prepend (_cspi_event_queue, (gpointer) e);
+  return (InternalEvent *) e;
+}
+
+static void
+cspi_internal_event_remove (const InternalEvent *e)
+{
+  GSList *link = g_slist_find_custom (_cspi_event_queue, e, cspi_event_compare);
+  if (link)
+    _cspi_event_queue = g_slist_remove_link (_cspi_event_queue, link);
+}
+
+char *
+AccessibleNameChangedEvent_getNameString (const AccessibleEvent *e)
+{
+  return NULL;
+}
+
+SPIBoolean
+AccessibleEvent_ref (const AccessibleEvent *e)
+{
+  const InternalEvent *private = cspi_internal_event_check (e);
+  if (private)
+    {
+      InternalEvent *event = cspi_internal_event_lookup (private);
+      /* 
+       * put event in the cache if it's not there already, 
+       * and increment refcount 
+       */
+      if (!event)
+       {
+         event = cspi_internal_event_add (private);
+       }
+      event->ref_count++;
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+void
+AccessibleEvent_unref (const AccessibleEvent *e)
+{
+  const InternalEvent *private = cspi_internal_event_check (e);
+  /* decrement refcount and remove if appropriate */
+  if (private)
+    {
+      InternalEvent *event = cspi_internal_event_lookup (private);
+      if (event) 
+       {
+         event->ref_count--;
+         if (event->ref_count < 1)
+           cspi_internal_event_remove (event);
+       }
+    }
+}