random ai stuff

telldus-core/common/Event.cpp

@@ -0,0 +1,88 @@
+//
+// Copyright (C) 2012 Telldus Technologies AB. All rights reserved.
+//
+// Copyright: See COPYING file that comes with this distribution
+//
+//
+#include "common/Event.h"
+#include <list>
+#include "common/EventHandler.h"
+#include "common/Mutex.h"
+
+namespace TelldusCore {
+
+EventData::~EventData() {
+}
+
+bool EventData::isValid() const {
+	return false;
+};
+
+bool EventDataBase::isValid() const {
+	return true;
+};
+
+class EventBase::PrivateData {
+public:
+	TelldusCore::Mutex mutex;
+	EventHandler *handler;
+	std::list<EventDataRef> eventDataList;
+};
+
+EventBase::EventBase(TelldusCore::EventHandler *handler) {
+	d = new PrivateData;
+	d->handler = handler;
+}
+
+EventBase::~EventBase(void) {
+	delete d;
+}
+
+void EventBase::clearHandler() {
+	TelldusCore::MutexLocker locker(&d->mutex);
+	d->handler = 0;
+}
+
+void EventBase::popSignal() {
+	this->takeSignal();
+}
+
+EventHandler *EventBase::handler() const {
+	return d->handler;
+}
+
+bool EventBase::isSignaled() {
+	TelldusCore::MutexLocker locker(&d->mutex);
+	return (d->eventDataList.size() > 0);
+}
+
+void EventBase::signal() {
+	signal(new EventData());
+}
+
+void EventBase::signal(EventData *eventData) {
+	this->signal(EventDataRef(eventData));
+}
+
+void EventBase::signal(EventDataRef eventData) {
+	{
+		TelldusCore::MutexLocker locker(&d->mutex);
+		d->eventDataList.push_back(eventData);
+	}
+	sendSignal();
+}
+
+EventDataRef EventBase::takeSignal() {
+	TelldusCore::MutexLocker locker(&d->mutex);
+	if (d->eventDataList.size() == 0) {
+		return EventDataRef(new EventData());
+	}
+	EventDataRef data = d->eventDataList.front();
+	d->eventDataList.pop_front();
+	if (d->eventDataList.size() == 0) {
+		this->clearSignal();
+	}
+	return data;
+}
+
+}  // namespace TelldusCore