derive EventDispatcher from EventSubject

@@ -40,6 +40,8 @@ typedef enum TR_e_EventDispatcherMode {
 } TR_EventDispatcherMode;
 
 TR_CLASS(TR_EventDispatcher) {
+	TR_EXTENDS(TR_EventSubject);
+
 	TR_Queue               events;
 	TR_Hash                handler;
 	TR_EventHandler        default_handler;
@@ -49,7 +51,14 @@ TR_CLASS(TR_EventDispatcher) {
 	TR_EventDispatcherMode mode;
 };
 TR_INSTANCE_INIT(TR_EventDispatcher);
-TR_CLASSVARS_DECL(TR_EventDispatcher) {};
+TR_CLASSVARS_DECL(TR_EventDispatcher) {
+	TR_CV_EXTENDS(TR_EventSubject);
+};
+
+#define TR_DISPATCHER_EVENT_HEARTBEAT	0
+#define TR_DISPATCHER_EVENT_USER_WAIT	1
+#define TR_DISPATCHER_EVENT_DATA_WAIT	2
+#define TR_DISPATCHER_EVENT_SHUTDOWN	3
 
 void   TR_eventDispatcherRegisterHandler(TR_EventDispatcher, TR_EventHandler);
 void   TR_eventDispatcherSetHeartbeat(TR_EventDispatcher, time_t);

@@ -54,7 +54,21 @@ eventDispatcherDtor(void * _this) {
 	TR_delete(this->events);
 }
 
+static
+void
+eventDispatcherCvInit(TR_class_ptr cls)
+{
+	TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_HEARTBEAT);
+	TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_USER_WAIT);
+	TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_DATA_WAIT);
+	TR_EVENT_CREATE(cls, TR_DISPATCHER_EVENT_SHUTDOWN);
+}
+
 TR_INIT_IFACE(TR_Class, eventDispatcherCtor, eventDispatcherDtor, NULL);
-TR_CREATE_CLASS(TR_EventDispatcher, NULL, NULL, TR_IF(TR_Class));
+TR_CREATE_CLASS(
+		TR_EventDispatcher,
+		TR_EventSubject,
+		eventDispatcherCvInit,
+		TR_IF(TR_Class));
 
 // vim: set ts=4 sw=4: