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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebSocket_h
#define WebSocket_h
#if ENABLE(WEB_SOCKETS)
#include "ActiveDOMObject.h"
#include "AtomicStringHash.h"
#include "EventListener.h"
#include "EventNames.h"
#include "EventTarget.h"
#include "KURL.h"
#include "WebSocketChannelClient.h"
#include <wtf/OwnPtr.h>
#include <wtf/RefCounted.h>
namespace WebCore {
class String;
class WebSocketChannel;
class WebSocket : public RefCounted<WebSocket>, public EventTarget, public ActiveDOMObject, public WebSocketChannelClient {
public:
#if USE(V8)
static void setIsAvailable(bool);
static bool isAvailable();
#endif
static PassRefPtr<WebSocket> create(ScriptExecutionContext* context) { return adoptRef(new WebSocket(context)); }
virtual ~WebSocket();
enum State {
CONNECTING = 0,
OPEN = 1,
CLOSED = 2
};
void connect(const KURL&, ExceptionCode&);
void connect(const KURL&, const String& protocol, ExceptionCode&);
bool send(const String& message, ExceptionCode&);
void close();
const KURL& url() const;
State readyState() const;
unsigned long bufferedAmount() const;
DEFINE_ATTRIBUTE_EVENT_LISTENER(open);
DEFINE_ATTRIBUTE_EVENT_LISTENER(message);
DEFINE_ATTRIBUTE_EVENT_LISTENER(close);
// EventTarget
virtual WebSocket* toWebSocket() { return this; }
virtual ScriptExecutionContext* scriptExecutionContext() const;
// ActiveDOMObject
// virtual bool hasPendingActivity() const;
// virtual void contextDestroyed();
// virtual bool canSuspend() const;
// virtual void suspend();
// virtual void resume();
// virtual void stop();
using RefCounted<WebSocket>::ref;
using RefCounted<WebSocket>::deref;
// WebSocketChannelClient
virtual void didConnect();
virtual void didReceiveMessage(const String& msg);
virtual void didClose();
private:
WebSocket(ScriptExecutionContext*);
virtual void refEventTarget() { ref(); }
virtual void derefEventTarget() { deref(); }
virtual EventTargetData* eventTargetData();
virtual EventTargetData* ensureEventTargetData();
void dispatchOpenEvent(Event*);
void dispatchMessageEvent(Event*);
void dispatchCloseEvent(Event*);
RefPtr<WebSocketChannel> m_channel;
State m_state;
KURL m_url;
String m_protocol;
EventTargetData m_eventTargetData;
};
} // namespace WebCore
#endif // ENABLE(WEB_SOCKETS)
#endif // WebSocket_h
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