1/*
2 * Copyright (C) 2008, 2009 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27#ifndef JSWorkerContextBase_h
28#define JSWorkerContextBase_h
29
30#if ENABLE(WORKERS)
31
32#include "JSDOMGlobalObject.h"
33
34namespace WebCore {
35
36    class JSDedicatedWorkerContext;
37    class JSSharedWorkerContext;
38    class JSWorkerContext;
39    class WorkerContext;
40
41    class JSWorkerContextBase : public JSDOMGlobalObject {
42        typedef JSDOMGlobalObject Base;
43    public:
44        static void destroy(JSC::JSCell*);
45
46        static const JSC::ClassInfo s_info;
47
48        WorkerContext* impl() const { return m_impl.get(); }
49        ScriptExecutionContext* scriptExecutionContext() const;
50
51        static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
52        {
53            return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), &s_info);
54        }
55
56    protected:
57        JSWorkerContextBase(JSC::VM&, JSC::Structure*, PassRefPtr<WorkerContext>);
58        void finishCreation(JSC::VM&);
59
60    private:
61        RefPtr<WorkerContext> m_impl;
62    };
63
64    // Returns a JSWorkerContext or jsNull()
65    // Always ignores the execState and passed globalObject, WorkerContext is itself a globalObject and will always use its own prototype chain.
66    JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject*, WorkerContext*);
67    JSC::JSValue toJS(JSC::ExecState*, WorkerContext*);
68
69    JSDedicatedWorkerContext* toJSDedicatedWorkerContext(JSC::JSValue);
70    JSWorkerContext* toJSWorkerContext(JSC::JSValue);
71
72#if ENABLE(SHARED_WORKERS)
73    JSSharedWorkerContext* toJSSharedWorkerContext(JSC::JSValue);
74#endif
75
76} // namespace WebCore
77
78#endif // ENABLE(WORKERS)
79
80#endif // JSWorkerContextBase_h
81