1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef AbstractWorker_h 32#define AbstractWorker_h 33 34#include "ActiveDOMObject.h" 35#include "EventListener.h" 36#include "EventNames.h" 37#include "EventTarget.h" 38#include <wtf/PassRefPtr.h> 39#include <wtf/RefCounted.h> 40#include <wtf/RefPtr.h> 41#include <wtf/text/AtomicStringHash.h> 42 43namespace WebCore { 44 45 class URL; 46 47 class AbstractWorker : public RefCounted<AbstractWorker>, public ActiveDOMObject, public EventTargetWithInlineData { 48 public: 49 // EventTarget APIs 50 virtual ScriptExecutionContext* scriptExecutionContext() const override final { return ActiveDOMObject::scriptExecutionContext(); } 51 52 DEFINE_ATTRIBUTE_EVENT_LISTENER(error); 53 54 using RefCounted<AbstractWorker>::ref; 55 using RefCounted<AbstractWorker>::deref; 56 57 virtual ~AbstractWorker(); 58 59 protected: 60 explicit AbstractWorker(ScriptExecutionContext&); 61 62 // Helper function that converts a URL to an absolute URL and checks the result for validity. 63 URL resolveURL(const String& url, ExceptionCode& ec); 64 intptr_t asID() const { return reinterpret_cast<intptr_t>(this); } 65 66 private: 67 virtual void refEventTarget() override final { ref(); } 68 virtual void derefEventTarget() override final { deref(); } 69 }; 70 71} // namespace WebCore 72 73#endif // AbstractWorker_h 74