| /* |
| * 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 AbstractWorker_h |
| #define AbstractWorker_h |
| |
| #if ENABLE(WORKERS) |
| |
| #include "ActiveDOMObject.h" |
| #include "AtomicStringHash.h" |
| #include "EventListener.h" |
| #include "EventTarget.h" |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/RefPtr.h> |
| |
| namespace WebCore { |
| |
| class KURL; |
| class ScriptExecutionContext; |
| |
| class AbstractWorker : public RefCounted<AbstractWorker>, public ActiveDOMObject, public EventTarget { |
| public: |
| // EventTarget APIs |
| virtual ScriptExecutionContext* scriptExecutionContext() const { return ActiveDOMObject::scriptExecutionContext(); } |
| |
| virtual void addEventListener(const AtomicString& eventType, PassRefPtr<EventListener>, bool useCapture); |
| virtual void removeEventListener(const AtomicString& eventType, EventListener*, bool useCapture); |
| virtual bool dispatchEvent(PassRefPtr<Event>, ExceptionCode&); |
| |
| // Utility routines to generate appropriate error events for loading and script exceptions. |
| void dispatchLoadErrorEvent(); |
| bool dispatchScriptErrorEvent(const String& errorMessage, const String& sourceURL, int); |
| |
| void setOnerror(PassRefPtr<EventListener> eventListener) { m_onErrorListener = eventListener; } |
| EventListener* onerror() const { return m_onErrorListener.get(); } |
| typedef Vector<RefPtr<EventListener> > ListenerVector; |
| typedef HashMap<AtomicString, ListenerVector> EventListenersMap; |
| EventListenersMap& eventListeners() { return m_eventListeners; } |
| |
| using RefCounted<AbstractWorker>::ref; |
| using RefCounted<AbstractWorker>::deref; |
| |
| AbstractWorker(ScriptExecutionContext*); |
| virtual ~AbstractWorker(); |
| |
| protected: |
| // Helper function that converts a URL to an absolute URL and checks the result for validity. |
| KURL resolveURL(const String& url, ExceptionCode& ec); |
| |
| private: |
| virtual void refEventTarget() { ref(); } |
| virtual void derefEventTarget() { deref(); } |
| |
| RefPtr<EventListener> m_onErrorListener; |
| EventListenersMap m_eventListeners; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(WORKERS) |
| |
| #endif // AbstractWorker_h |