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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.
*/
#include "config.h"
#if ENABLE(WORKERS)
#include "DedicatedWorkerContext.h"
#include "DedicatedWorkerThread.h"
#include "DOMWindow.h"
#include "MessageEvent.h"
#include "WorkerObjectProxy.h"
namespace WebCore {
DedicatedWorkerContext::DedicatedWorkerContext(const KURL& url, const String& userAgent, DedicatedWorkerThread* thread)
: WorkerContext(url, userAgent, thread)
{
}
DedicatedWorkerContext::~DedicatedWorkerContext()
{
ASSERT(currentThread() == thread()->threadID());
// Notify parent worker we are going away. This can free the WorkerThread object, so do not access it after this.
thread()->workerObjectProxy().workerContextDestroyed();
}
void DedicatedWorkerContext::forwardException(const String& errorMessage, int lineNumber, const String& sourceURL)
{
thread()->workerObjectProxy().postExceptionToWorkerObject(errorMessage, lineNumber, sourceURL);
}
void DedicatedWorkerContext::addMessage(MessageDestination destination, MessageSource source, MessageType type, MessageLevel level, const String& message, unsigned lineNumber, const String& sourceURL)
{
thread()->workerObjectProxy().postConsoleMessageToWorkerObject(destination, source, type, level, message, lineNumber, sourceURL);
}
void DedicatedWorkerContext::postMessage(const String& message, ExceptionCode& ec)
{
postMessage(message, 0, ec);
}
void DedicatedWorkerContext::postMessage(const String& message, MessagePort* port, ExceptionCode& ec)
{
if (isClosing())
return;
// Disentangle the port in preparation for sending it to the remote context.
OwnPtr<MessagePortChannel> channel = port ? port->disentangle(ec) : 0;
if (ec)
return;
thread()->workerObjectProxy().postMessageToWorkerObject(message, channel.release());
}
void DedicatedWorkerContext::dispatchMessage(const String& message, PassRefPtr<MessagePort> port)
{
// Since close() stops the thread event loop, this should not ever get called while closing.
ASSERT(!isClosing());
RefPtr<Event> evt = MessageEvent::create(message, "", "", 0, port);
if (m_onmessageListener.get()) {
evt->setTarget(this);
evt->setCurrentTarget(this);
m_onmessageListener->handleEvent(evt.get(), false);
}
ExceptionCode ec = 0;
dispatchEvent(evt.release(), ec);
ASSERT(!ec);
}
void DedicatedWorkerContext::importScripts(const Vector<String>& urls, const String& callerURL, int callerLine, ExceptionCode& ec)
{
Base::importScripts(urls, callerURL, callerLine, ec);
thread()->workerObjectProxy().reportPendingActivity(hasPendingActivity());
}
DedicatedWorkerThread* DedicatedWorkerContext::thread()
{
return static_cast<DedicatedWorkerThread*>(Base::thread());
}
} // namespace WebCore
#endif // ENABLE(WORKERS)
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