1 /* 2 * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. 3 * Copyright (C) 2007 Eric Seidel <eric@webkit.org> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef JSCallbackObject_h 28 #define JSCallbackObject_h 29 30 #include "JSObjectRef.h" 31 #include "JSValueRef.h" 32 #include "JSObject.h" 33 34 namespace JSC { 35 36 template <class Base> 37 class JSCallbackObject : public Base { 38 public: 39 JSCallbackObject(ExecState*, PassRefPtr<Structure>, JSClassRef, void* data); 40 JSCallbackObject(JSClassRef); 41 virtual ~JSCallbackObject(); 42 43 void setPrivate(void* data); 44 void* getPrivate(); 45 46 static const ClassInfo info; 47 classRef()48 JSClassRef classRef() const { return m_callbackObjectData->jsClass; } 49 bool inherits(JSClassRef) const; 50 createStructure(JSValuePtr proto)51 static PassRefPtr<Structure> createStructure(JSValuePtr proto) 52 { 53 return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | OverridesHasInstance)); 54 } 55 56 private: 57 virtual UString className() const; 58 59 virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&); 60 virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&); 61 62 virtual void put(ExecState*, const Identifier&, JSValuePtr, PutPropertySlot&); 63 64 virtual bool deleteProperty(ExecState*, const Identifier&); 65 virtual bool deleteProperty(ExecState*, unsigned); 66 67 virtual bool hasInstance(ExecState* exec, JSValuePtr value, JSValuePtr proto); 68 69 virtual void getPropertyNames(ExecState*, PropertyNameArray&); 70 71 virtual double toNumber(ExecState*) const; 72 virtual UString toString(ExecState*) const; 73 74 virtual ConstructType getConstructData(ConstructData&); 75 virtual CallType getCallData(CallData&); classInfo()76 virtual const ClassInfo* classInfo() const { return &info; } 77 78 void init(ExecState*); 79 80 static JSCallbackObject* asCallbackObject(JSValuePtr); 81 82 static JSValuePtr call(ExecState*, JSObject* functionObject, JSValuePtr thisValue, const ArgList&); 83 static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&); 84 85 static JSValuePtr staticValueGetter(ExecState*, const Identifier&, const PropertySlot&); 86 static JSValuePtr staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&); 87 static JSValuePtr callbackGetter(ExecState*, const Identifier&, const PropertySlot&); 88 89 struct JSCallbackObjectData { JSCallbackObjectDataJSCallbackObjectData90 JSCallbackObjectData(void* privateData, JSClassRef jsClass) 91 : privateData(privateData) 92 , jsClass(jsClass) 93 { 94 JSClassRetain(jsClass); 95 } 96 ~JSCallbackObjectDataJSCallbackObjectData97 ~JSCallbackObjectData() 98 { 99 JSClassRelease(jsClass); 100 } 101 102 void* privateData; 103 JSClassRef jsClass; 104 }; 105 106 OwnPtr<JSCallbackObjectData> m_callbackObjectData; 107 }; 108 109 } // namespace JSC 110 111 // include the actual template class implementation 112 #include "JSCallbackObjectFunctions.h" 113 114 #endif // JSCallbackObject_h 115