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