/*
 * EventSystem
 */

#include "EventSystem.h"

/*
 * EventSystem
 */
EventSystem::EventSystem()
{
}

/*
 * AddSource
 */
ErrorCode EventSystem::AddSource(EventSource* pSource)
{
	return kSources.Add(pSource);
}

/*
 * AddSink
 */
ErrorCode EventSystem::AddSink(EventSink* pSink)
{
	return kSinks.Add(pSink);
}

/*
 * RemoveSink
 */
ErrorCode EventSystem::RemoveSink(EventSink* pSink)
{
	ErrorCode eCode = Error_Fail;

	int32 nIndex = kSinks.Find(pSink);
	if(nIndex >= 0)
	{
		eCode = kSinks.Remove(nIndex);
	}

	return eCode;
}

/*
 * Post
 */
void EventSystem::Post(const Event& kEvent)
{
	for(uint32 i = 0; i < kSinks.GetSize(); ++i)
	{
		if(kSinks[i]->ProcessEvent(kEvent) == EventResult_Stop)
		{
			break;
		}
	}
}

/*
 * Update
 */
void EventSystem::Update(float fElapsed)
{
	for(uint32 i = 0; i < kSources.GetSize(); ++i)
	{
		kSources[i]->Update(this, fElapsed);
	}
}