1 /* 2 * Copyright (C) 2004, 2008 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 #ifndef KJS_BINDINGS_OBJC_RUNTIME_H 27 #define KJS_BINDINGS_OBJC_RUNTIME_H 28 29 #include "Bridge.h" 30 #include "objc_header.h" 31 #include <runtime/JSGlobalObject.h> 32 #include <wtf/RetainPtr.h> 33 34 namespace JSC { 35 namespace Bindings { 36 37 ClassStructPtr webScriptObjectClass(); 38 ClassStructPtr webUndefinedClass(); 39 40 class ObjcInstance; 41 42 class ObjcField : public Field { 43 public: 44 ObjcField(IvarStructPtr); 45 ObjcField(CFStringRef name); 46 47 virtual JSValue valueFromInstance(ExecState*, const Instance*) const; 48 virtual void setValueToInstance(ExecState*, const Instance*, JSValue) const; 49 50 private: 51 IvarStructPtr _ivar; 52 RetainPtr<CFStringRef> _name; 53 }; 54 55 class ObjcMethod : public Method { 56 public: ObjcMethod()57 ObjcMethod() : _objcClass(0), _selector(0), _javaScriptName(0) {} 58 ObjcMethod(ClassStructPtr aClass, SEL _selector); 59 60 virtual int numParameters() const; 61 62 NSMethodSignature *getMethodSignature() const; 63 isFallbackMethod()64 bool isFallbackMethod() const { return _selector == @selector(invokeUndefinedMethodFromWebScript:withArguments:); } setJavaScriptName(CFStringRef n)65 void setJavaScriptName(CFStringRef n) { _javaScriptName = n; } javaScriptName()66 CFStringRef javaScriptName() const { return _javaScriptName.get(); } 67 selector()68 SEL selector() const { return _selector; } 69 70 private: 71 ClassStructPtr _objcClass; 72 SEL _selector; 73 RetainPtr<CFStringRef> _javaScriptName; 74 }; 75 76 class ObjcArray : public Array { 77 public: 78 ObjcArray(ObjectStructPtr, PassRefPtr<RootObject>); 79 80 virtual void setValueAt(ExecState *exec, unsigned int index, JSValue aValue) const; 81 virtual JSValue valueAt(ExecState *exec, unsigned int index) const; 82 virtual unsigned int getLength() const; 83 getObjcArray()84 ObjectStructPtr getObjcArray() const { return _array.get(); } 85 86 static JSValue convertObjcArrayToArray(ExecState *exec, ObjectStructPtr anObject); 87 88 private: 89 RetainPtr<ObjectStructPtr> _array; 90 }; 91 92 class ObjcFallbackObjectImp : public JSObject { 93 public: 94 ObjcFallbackObjectImp(ExecState*, ObjcInstance*, const Identifier& propertyName); 95 96 static const ClassInfo s_info; 97 propertyName()98 const Identifier& propertyName() const { return _item; } 99 createPrototype(ExecState *,JSGlobalObject * globalObject)100 static ObjectPrototype* createPrototype(ExecState*, JSGlobalObject* globalObject) 101 { 102 return globalObject->objectPrototype(); 103 } 104 createStructure(JSValue prototype)105 static PassRefPtr<Structure> createStructure(JSValue prototype) 106 { 107 return Structure::create(prototype, TypeInfo(ObjectType, StructureFlags), AnonymousSlotCount); 108 } 109 110 private: 111 static const unsigned StructureFlags = OverridesGetOwnPropertySlot | JSObject::StructureFlags; 112 virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&); 113 virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&); 114 virtual void put(ExecState*, const Identifier& propertyName, JSValue, PutPropertySlot&); 115 virtual CallType getCallData(CallData&); 116 virtual bool deleteProperty(ExecState*, const Identifier& propertyName); 117 virtual JSValue defaultValue(ExecState*, PreferredPrimitiveType) const; 118 119 virtual bool toBoolean(ExecState*) const; 120 classInfo()121 virtual const ClassInfo* classInfo() const { return &s_info; } 122 123 RefPtr<ObjcInstance> _instance; 124 Identifier _item; 125 }; 126 127 } // namespace Bindings 128 } // namespace JSC 129 130 #endif 131