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