#ifndef EventSource_h
#define EventSource_h
#include "ActiveDOMObject.h"
#include "EventTarget.h"
#include "URL.h"
#include "ThreadableLoaderClient.h"
#include "Timer.h"
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class Dictionary;
class MessageEvent;
class ResourceResponse;
class TextResourceDecoder;
class ThreadableLoader;
class EventSource final : public RefCounted<EventSource>, public EventTargetWithInlineData, private ThreadableLoaderClient, public ActiveDOMObject {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassRefPtr<EventSource> create(ScriptExecutionContext&, const String& url, const Dictionary&, ExceptionCode&);
virtual ~EventSource();
static const unsigned long long defaultReconnectDelay;
String url() const;
bool withCredentials() const;
typedef short State;
static const State CONNECTING = 0;
static const State OPEN = 1;
static const State CLOSED = 2;
State readyState() const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(open);
DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
void close();
using RefCounted<EventSource>::ref;
using RefCounted<EventSource>::deref;
virtual EventTargetInterface eventTargetInterface() const override { return EventSourceEventTargetInterfaceType; }
virtual ScriptExecutionContext* scriptExecutionContext() const override { return ActiveDOMObject::scriptExecutionContext(); }
private:
EventSource(ScriptExecutionContext&, const URL&, const Dictionary&);
virtual void refEventTarget() override { ref(); }
virtual void derefEventTarget() override { deref(); }
virtual void didReceiveResponse(unsigned long, const ResourceResponse&) override;
virtual void didReceiveData(const char*, int) override;
virtual void didFinishLoading(unsigned long, double) override;
virtual void didFail(const ResourceError&) override;
virtual void didFailAccessControlCheck(const ResourceError&) override;
virtual void didFailRedirectCheck() override;
virtual void stop() override;
void connect();
void networkRequestEnded();
void scheduleInitialConnect();
void scheduleReconnect();
void connectTimerFired(Timer&);
void abortConnectionAttempt();
void parseEventStream();
void parseEventStreamLine(unsigned pos, int fieldLength, int lineLength);
PassRefPtr<MessageEvent> createMessageEvent();
URL m_url;
bool m_withCredentials;
State m_state;
RefPtr<TextResourceDecoder> m_decoder;
RefPtr<ThreadableLoader> m_loader;
Timer m_connectTimer;
Vector<UChar> m_receiveBuf;
bool m_discardTrailingNewline;
bool m_requestInFlight;
String m_eventName;
Vector<UChar> m_data;
String m_currentlyParsedEventId;
String m_lastEventId;
unsigned long long m_reconnectDelay;
String m_eventStreamOrigin;
};
}
#endif // EventSource_h