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-rw-r--r--WebCore/dom/Worker.cpp203
1 files changed, 0 insertions, 203 deletions
diff --git a/WebCore/dom/Worker.cpp b/WebCore/dom/Worker.cpp
deleted file mode 100644
index 6889a42..0000000
--- a/WebCore/dom/Worker.cpp
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * Copyright (C) 2008 Apple 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:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 "Worker.h"
-
-#include "CachedScript.h"
-#include "DOMWindow.h"
-#include "DocLoader.h"
-#include "Document.h"
-#include "EventException.h"
-#include "EventListener.h"
-#include "EventNames.h"
-#include "ExceptionCode.h"
-#include "Frame.h"
-#include "FrameLoader.h"
-#include "MessageEvent.h"
-#include "SecurityOrigin.h"
-#include "WorkerContext.h"
-#include "WorkerMessagingProxy.h"
-#include "WorkerTask.h"
-#include "WorkerThread.h"
-#include <wtf/MainThread.h>
-
-namespace WebCore {
-
-Worker::Worker(const String& url, Document* doc, ExceptionCode& ec)
- : ActiveDOMObject(doc, this)
- , m_messagingProxy(new WorkerMessagingProxy(doc, this))
-{
- m_scriptURL = doc->completeURL(url);
- if (url.isEmpty() || !m_scriptURL.isValid()) {
- ec = SYNTAX_ERR;
- return;
- }
-
- if (!doc->securityOrigin()->canAccess(SecurityOrigin::create(m_scriptURL).get())) {
- ec = SECURITY_ERR;
- return;
- }
-
- m_cachedScript = doc->docLoader()->requestScript(m_scriptURL, document()->charset());
- if (!m_cachedScript) {
- dispatchErrorEvent();
- return;
- }
-
- setPendingActivity(this); // The worker context does not exist while loading, so we much ensure that the worker object is not collected, as well as its event listeners.
- m_cachedScript->addClient(this);
-}
-
-Worker::~Worker()
-{
- ASSERT(isMainThread());
- ASSERT(scriptExecutionContext()); // The context is protected by messaging proxy, so it cannot be destroyed while a Worker exists.
- m_messagingProxy->workerObjectDestroyed();
-}
-
-Document* Worker::document() const
-{
- ASSERT(scriptExecutionContext()->isDocument());
- return static_cast<Document*>(scriptExecutionContext());
-}
-
-void Worker::postMessage(const String& message)
-{
- m_messagingProxy->postMessageToWorkerContext(message);
-}
-
-void Worker::terminate()
-{
- m_messagingProxy->terminate();
-}
-
-bool Worker::canSuspend() const
-{
- // FIXME: It is not currently possible to suspend a worker, so pages with workers can not go into page cache.
- return false;
-}
-
-void Worker::stop()
-{
- terminate();
-}
-
-bool Worker::hasPendingActivity() const
-{
- return m_messagingProxy->workerThreadHasPendingActivity() || ActiveDOMObject::hasPendingActivity();
-}
-
-void Worker::notifyFinished(CachedResource* unusedResource)
-{
- ASSERT_UNUSED(unusedResource, unusedResource == m_cachedScript);
-
- if (m_cachedScript->errorOccurred())
- dispatchErrorEvent();
- else {
- String userAgent = document()->frame() ? document()->frame()->loader()->userAgent(m_scriptURL) : String();
- RefPtr<WorkerThread> thread = WorkerThread::create(m_scriptURL, userAgent, m_cachedScript->script(), m_messagingProxy);
- m_messagingProxy->workerThreadCreated(thread);
- thread->start();
- }
-
- m_cachedScript->removeClient(this);
- m_cachedScript = 0;
-
- unsetPendingActivity(this);
-}
-
-void Worker::dispatchErrorEvent()
-{
- 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);
-}
-
-void Worker::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 Worker::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 Worker::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();
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(WORKERS)