1 files changed, 195 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/dom/WorkerContext.cpp b/src/3rdparty/webkit/WebCore/dom/WorkerContext.cpp
new file mode 100644
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+++ b/src/3rdparty/webkit/WebCore/dom/WorkerContext.cpp
@@ -0,0 +1,195 @@
+/*
+ * 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 "WorkerContext.h"
+
+#include "ActiveDOMObject.h"
+#include "DOMWindow.h"
+#include "Event.h"
+#include "EventException.h"
+#include "SecurityOrigin.h"
+#include "WorkerLocation.h"
+#include "WorkerMessagingProxy.h"
+#include "WorkerNavigator.h"
+#include "WorkerTask.h"
+#include "WorkerThread.h"
+
+namespace WebCore {
+
+WorkerContext::WorkerContext(const KURL& url, const String& userAgent, WorkerThread* thread)
+    : m_url(url)
+    , m_userAgent(userAgent)
+    , m_location(WorkerLocation::create(url))
+    , m_script(new WorkerScriptController(this))
+    , m_thread(thread)
+{
+    setSecurityOrigin(SecurityOrigin::create(url));
+}
+
+WorkerContext::~WorkerContext()
+{
+    ASSERT(currentThread() == m_thread->threadID());
+
+    m_thread->messagingProxy()->workerContextDestroyed();
+}
+
+ScriptExecutionContext* WorkerContext::scriptExecutionContext() const
+{
+    return const_cast<WorkerContext*>(this);
+}
+
+const KURL& WorkerContext::virtualURL() const
+{
+    return m_url;
+}
+
+KURL WorkerContext::virtualCompleteURL(const String& url) const
+{
+    return completeURL(url);
+}
+
+KURL WorkerContext::completeURL(const String& url) const
+{
+    // Always return a null URL when passed a null string.
+    // FIXME: Should we change the KURL constructor to have this behavior?
+    if (url.isNull())
+        return KURL();
+    // FIXME: does this need to provide a charset, like Document::completeURL does?
+    return KURL(m_location->url(), url);
+}
+
+WorkerNavigator* WorkerContext::navigator() const
+{
+    if (!m_navigator)
+        m_navigator = WorkerNavigator::create(m_userAgent);
+    return m_navigator.get();
+}
+
+bool WorkerContext::hasPendingActivity() const
+{
+    ActiveDOMObjectsMap& activeObjects = activeDOMObjects();
+    ActiveDOMObjectsMap::const_iterator activeObjectsEnd = activeObjects.end();
+    for (ActiveDOMObjectsMap::const_iterator iter = activeObjects.begin(); iter != activeObjectsEnd; ++iter) {
+        if (iter->first->hasPendingActivity())
+            return true;
+    }
+    return false;
+}
+
+void WorkerContext::reportException(const String& errorMessage, int lineNumber, const String& sourceURL)
+{
+    m_thread->messagingProxy()->postWorkerException(errorMessage, lineNumber, sourceURL);
+}
+
+void WorkerContext::postMessage(const String& message)
+{
+    m_thread->messagingProxy()->postMessageToWorkerObject(message);
+}
+
+void WorkerContext::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 WorkerContext::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 WorkerContext::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();
+}
+
+class ScriptExecutionContextTaskWorkerTask : public WorkerTask {
+public:
+    static PassRefPtr<ScriptExecutionContextTaskWorkerTask> create(PassRefPtr<ScriptExecutionContext::Task> task)
+    {
+        return adoptRef(new ScriptExecutionContextTaskWorkerTask(task));
+    }
+
+private:
+    ScriptExecutionContextTaskWorkerTask(PassRefPtr<ScriptExecutionContext::Task> task)
+        : m_task(task)
+    {
+    }
+
+    virtual void performTask(WorkerContext* context)
+    {
+        m_task->performTask(context);
+    }
+
+    RefPtr<ScriptExecutionContext::Task> m_task;
+};
+
+void WorkerContext::postTask(PassRefPtr<Task> task)
+{
+    thread()->messageQueue().append(ScriptExecutionContextTaskWorkerTask::create(task));
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(WORKERS)