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 34 namespace 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 JSWorkerContextBase(JSC::JSGlobalData&, JSC::Structure*, PassRefPtr<WorkerContext>); 45 virtual ~JSWorkerContextBase(); 46 47 static const JSC::ClassInfo s_info; 48 impl()49 WorkerContext* impl() const { return m_impl.get(); } 50 virtual ScriptExecutionContext* scriptExecutionContext() const; 51 createStructure(JSC::JSGlobalData & globalData,JSC::JSValue prototype)52 static JSC::Structure* createStructure(JSC::JSGlobalData& globalData, JSC::JSValue prototype) 53 { 54 return JSC::Structure::create(globalData, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), AnonymousSlotCount, &s_info); 55 } 56 57 private: 58 RefPtr<WorkerContext> m_impl; 59 }; 60 61 // Returns a JSWorkerContext or jsNull() 62 // Always ignores the execState and passed globalObject, WorkerContext is itself a globalObject and will always use its own prototype chain. 63 JSC::JSValue toJS(JSC::ExecState*, JSDOMGlobalObject*, WorkerContext*); 64 JSC::JSValue toJS(JSC::ExecState*, WorkerContext*); 65 66 JSDedicatedWorkerContext* toJSDedicatedWorkerContext(JSC::JSValue); 67 JSWorkerContext* toJSWorkerContext(JSC::JSValue); 68 69 #if ENABLE(SHARED_WORKERS) 70 JSSharedWorkerContext* toJSSharedWorkerContext(JSC::JSValue); 71 #endif 72 73 } // namespace WebCore 74 75 #endif // ENABLE(WORKERS) 76 77 #endif // JSWorkerContextBase_h 78