1 /* 2 * Copyright (C) 2010 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 INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef JSNPObject_h 27 #define JSNPObject_h 28 29 #include <JavaScriptCore/JSObjectWithGlobalObject.h> 30 31 typedef void* NPIdentifier; 32 struct NPObject; 33 34 namespace WebKit { 35 36 class NPRuntimeObjectMap; 37 38 // JSNPObject is a JSObject that wraps an NPObject. 39 40 class JSNPObject : public JSC::JSObjectWithGlobalObject { 41 public: 42 JSNPObject(JSC::JSGlobalObject*, NPRuntimeObjectMap* objectMap, NPObject* npObject); 43 ~JSNPObject(); 44 45 void invalidate(); 46 47 JSC::JSValue callMethod(JSC::ExecState*, NPIdentifier methodName); 48 JSC::JSValue callObject(JSC::ExecState*); 49 JSC::JSValue callConstructor(JSC::ExecState*); 50 51 static const JSC::ClassInfo s_info; 52 53 NPObject* npObject() const { return m_npObject; } 54 55 private: 56 static const unsigned StructureFlags = JSC::OverridesGetOwnPropertySlot | JSC::OverridesGetPropertyNames | JSObject::StructureFlags; 57 58 static JSC::Structure* createStructure(JSC::JSGlobalData& globalData, JSC::JSValue prototype) 59 { 60 return JSC::Structure::create(globalData, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), AnonymousSlotCount, &s_info); 61 } 62 63 virtual JSC::CallType getCallData(JSC::CallData&); 64 virtual JSC::ConstructType getConstructData(JSC::ConstructData&); 65 66 virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&); 67 virtual bool getOwnPropertyDescriptor(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertyDescriptor&); 68 virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&); 69 70 virtual void getOwnPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&, JSC::EnumerationMode mode = JSC::ExcludeDontEnumProperties); 71 72 static JSC::JSValue propertyGetter(JSC::ExecState*, JSC::JSValue, const JSC::Identifier&); 73 static JSC::JSValue methodGetter(JSC::ExecState*, JSC::JSValue, const JSC::Identifier&); 74 static JSC::JSObject* throwInvalidAccessError(JSC::ExecState*); 75 76 NPRuntimeObjectMap* m_objectMap; 77 NPObject* m_npObject; 78 }; 79 80 } // namespace WebKit 81 82 #endif // JSNPObject_h 83
