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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 "AbstractWorker.h"
#include "ErrorEvent.h"
#include "Event.h"
#include "EventException.h"
#include "EventNames.h"
#include "ScriptExecutionContext.h"
#include "SecurityOrigin.h"
namespace WebCore {
AbstractWorker::AbstractWorker(ScriptExecutionContext* context)
: ActiveDOMObject(context, this)
{
}
AbstractWorker::~AbstractWorker()
{
}
void AbstractWorker::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> eventListener, bool)
{
EventListenersMap::iterator iter = m_eventListeners.find(eventType);
if (iter == m_eventListeners.end()) {
ListenerVector listeners;
listeners.append(eventListener);
m_eventListeners.add(eventType, listeners);
} else {
ListenerVector& listeners = iter->second;
for (ListenerVector::iterator listenerIter = listeners.begin(); listenerIter != listeners.end(); ++listenerIter) {
if (*listenerIter == eventListener)
return;
}
listeners.append(eventListener);
m_eventListeners.add(eventType, listeners);
}
}
void AbstractWorker::removeEventListener(const AtomicString& eventType, EventListener* eventListener, bool)
{
EventListenersMap::iterator iter = m_eventListeners.find(eventType);
if (iter == m_eventListeners.end())
return;
ListenerVector& listeners = iter->second;
for (ListenerVector::const_iterator listenerIter = listeners.begin(); listenerIter != listeners.end(); ++listenerIter) {
if (*listenerIter == eventListener) {
listeners.remove(listenerIter - listeners.begin());
return;
}
}
}
bool AbstractWorker::dispatchEvent(PassRefPtr<Event> event, ExceptionCode& ec)
{
if (!event || event->type().isEmpty()) {
ec = EventException::UNSPECIFIED_EVENT_TYPE_ERR;
return true;
}
ListenerVector listenersCopy = m_eventListeners.get(event->type());
for (ListenerVector::const_iterator listenerIter = listenersCopy.begin(); listenerIter != listenersCopy.end(); ++listenerIter) {
event->setTarget(this);
event->setCurrentTarget(this);
listenerIter->get()->handleEvent(event.get(), false);
}
return !event->defaultPrevented();
}
void AbstractWorker::dispatchLoadErrorEvent()
{
RefPtr<Event> evt = Event::create(eventNames().errorEvent, false, true);
if (m_onErrorListener) {
evt->setTarget(this);
evt->setCurrentTarget(this);
m_onErrorListener->handleEvent(evt.get(), true);
}
ExceptionCode ec = 0;
dispatchEvent(evt.release(), ec);
ASSERT(!ec);
}
bool AbstractWorker::dispatchScriptErrorEvent(const String& message, const String& sourceURL, int lineNumber)
{
bool handled = false;
RefPtr<ErrorEvent> event = ErrorEvent::create(message, sourceURL, static_cast<unsigned>(lineNumber));
if (m_onErrorListener) {
event->setTarget(this);
event->setCurrentTarget(this);
m_onErrorListener->handleEvent(event.get(), true);
if (event->defaultPrevented())
handled = true;
}
ExceptionCode ec = 0;
dispatchEvent(event.release(), ec);
ASSERT(!ec);
return handled;
}
KURL AbstractWorker::resolveURL(const String& url, ExceptionCode& ec)
{
if (url.isEmpty()) {
ec = SYNTAX_ERR;
return KURL();
}
// FIXME: This should use the dynamic global scope (bug #27887)
KURL scriptURL = scriptExecutionContext()->completeURL(url);
if (!scriptURL.isValid()) {
ec = SYNTAX_ERR;
return KURL();
}
if (!scriptExecutionContext()->securityOrigin()->canAccess(SecurityOrigin::create(scriptURL).get())) {
ec = SECURITY_ERR;
return KURL();
}
return scriptURL;
}
} // namespace WebCore
#endif // ENABLE(WORKERS)
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