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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 ThreadableWebSocketChannelClientWrapper_h
#define ThreadableWebSocketChannelClientWrapper_h
#if ENABLE(WEB_SOCKETS)
#include "PlatformString.h"
#include "WebSocketChannelClient.h"
#include <wtf/Forward.h>
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>
#include <wtf/Vector.h>
namespace WebCore {
class ThreadableWebSocketChannelClientWrapper : public ThreadSafeRefCounted<ThreadableWebSocketChannelClientWrapper> {
public:
static PassRefPtr<ThreadableWebSocketChannelClientWrapper> create(WebSocketChannelClient* client)
{
return adoptRef(new ThreadableWebSocketChannelClientWrapper(client));
}
void clearSyncMethodDone()
{
m_syncMethodDone = false;
}
void setSyncMethodDone()
{
m_syncMethodDone = true;
}
bool syncMethodDone() const
{
return m_syncMethodDone;
}
bool sent() const
{
return m_sent;
}
void setSent(bool sent)
{
m_sent = sent;
m_syncMethodDone = true;
}
unsigned long bufferedAmount() const
{
return m_bufferedAmount;
}
void setBufferedAmount(unsigned long bufferedAmount)
{
m_bufferedAmount = bufferedAmount;
m_syncMethodDone = true;
}
void clearClient()
{
m_client = 0;
}
void didConnect()
{
m_pendingConnected = true;
if (!m_suspended)
processPendingEvents();
}
void didReceiveMessage(const String& msg)
{
m_pendingMessages.append(msg);
if (!m_suspended)
processPendingEvents();
}
void didClose(unsigned long unhandledBufferedAmount)
{
m_pendingClosed = true;
m_bufferedAmount = unhandledBufferedAmount;
if (!m_suspended)
processPendingEvents();
}
void suspend()
{
m_suspended = true;
}
void resume()
{
m_suspended = false;
processPendingEvents();
}
protected:
ThreadableWebSocketChannelClientWrapper(WebSocketChannelClient* client)
: m_client(client)
, m_syncMethodDone(false)
, m_sent(false)
, m_bufferedAmount(0)
, m_suspended(false)
, m_pendingConnected(false)
, m_pendingClosed(false)
{
}
void processPendingEvents()
{
ASSERT(!m_suspended);
if (m_pendingConnected) {
m_pendingConnected = false;
if (m_client)
m_client->didConnect();
}
Vector<String> messages;
messages.swap(m_pendingMessages);
for (Vector<String>::const_iterator iter = messages.begin(); iter != messages.end(); ++iter) {
if (m_client)
m_client->didReceiveMessage(*iter);
}
if (m_pendingClosed) {
m_pendingClosed = false;
if (m_client)
m_client->didClose(m_bufferedAmount);
}
}
WebSocketChannelClient* m_client;
bool m_syncMethodDone;
bool m_sent;
unsigned long m_bufferedAmount;
bool m_suspended;
bool m_pendingConnected;
Vector<String> m_pendingMessages;
bool m_pendingClosed;
};
} // namespace WebCore
#endif // ENABLE(WEB_SOCKETS)
#endif // ThreadableWebSocketChannelClientWrapper_h
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