| 1 | /*
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| 2 | * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
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| 3 | * Copyright (C) 2007 Eric Seidel <[email protected]>
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | * 1. Redistributions of source code must retain the above copyright
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| 9 | * notice, this list of conditions and the following disclaimer.
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer in the
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| 12 | * documentation and/or other materials provided with the distribution.
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| 13 | *
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| 14 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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| 15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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| 18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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| 19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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| 20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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| 21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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| 22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 25 | */
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| 26 |
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| 27 | #ifndef JSCallbackObject_h
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| 28 | #define JSCallbackObject_h
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| 29 |
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| 30 | #include "JSObjectRef.h"
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| 31 | #include "JSValueRef.h"
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| 32 | #include "JSObject.h"
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| 33 |
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| 34 | namespace JSC {
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| 35 |
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| 36 | template <class Base>
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| 37 | class JSCallbackObject : public Base {
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| 38 | public:
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| 39 | JSCallbackObject(ExecState*, PassRefPtr<Structure>, JSClassRef, void* data);
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| 40 | JSCallbackObject(JSClassRef);
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| 41 | virtual ~JSCallbackObject();
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| 42 |
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| 43 | void setPrivate(void* data);
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| 44 | void* getPrivate();
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| 45 |
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| 46 | static const ClassInfo info;
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| 47 |
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| 48 | JSClassRef classRef() const { return m_callbackObjectData->jsClass; }
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| 49 | bool inherits(JSClassRef) const;
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| 50 |
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| 51 | static PassRefPtr<Structure> createStructure(JSValue proto)
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| 52 | {
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| 53 | return Structure::create(proto, TypeInfo(ObjectType, ImplementsHasInstance | OverridesHasInstance));
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| 54 | }
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| 55 |
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| 56 | private:
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| 57 | virtual UString className() const;
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| 58 |
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| 59 | virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&);
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| 60 | virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&);
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| 61 |
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| 62 | virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&);
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| 63 |
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| 64 | virtual bool deleteProperty(ExecState*, const Identifier&);
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| 65 | virtual bool deleteProperty(ExecState*, unsigned);
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| 66 |
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| 67 | virtual bool hasInstance(ExecState* exec, JSValue value, JSValue proto);
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| 68 |
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| 69 | virtual void getPropertyNames(ExecState*, PropertyNameArray&);
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| 70 |
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| 71 | virtual double toNumber(ExecState*) const;
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| 72 | virtual UString toString(ExecState*) const;
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| 73 |
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| 74 | virtual ConstructType getConstructData(ConstructData&);
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| 75 | virtual CallType getCallData(CallData&);
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| 76 | virtual const ClassInfo* classInfo() const { return &info; }
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| 77 |
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| 78 | void init(ExecState*);
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| 79 |
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| 80 | static JSCallbackObject* asCallbackObject(JSValue);
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| 81 |
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| 82 | static JSValue JSC_HOST_CALL call(ExecState*, JSObject* functionObject, JSValue thisValue, const ArgList&);
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| 83 | static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&);
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| 84 |
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| 85 | static JSValue staticValueGetter(ExecState*, const Identifier&, const PropertySlot&);
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| 86 | static JSValue staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&);
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| 87 | static JSValue callbackGetter(ExecState*, const Identifier&, const PropertySlot&);
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| 88 |
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| 89 | struct JSCallbackObjectData {
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| 90 | JSCallbackObjectData(void* privateData, JSClassRef jsClass)
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| 91 | : privateData(privateData)
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| 92 | , jsClass(jsClass)
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| 93 | {
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| 94 | JSClassRetain(jsClass);
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| 95 | }
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| 96 |
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| 97 | ~JSCallbackObjectData()
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| 98 | {
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| 99 | JSClassRelease(jsClass);
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| 100 | }
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| 101 |
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| 102 | void* privateData;
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| 103 | JSClassRef jsClass;
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| 104 | };
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| 105 |
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| 106 | OwnPtr<JSCallbackObjectData> m_callbackObjectData;
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| 107 | };
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| 108 |
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| 109 | } // namespace JSC
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| 110 |
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| 111 | // include the actual template class implementation
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| 112 | #include "JSCallbackObjectFunctions.h"
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| 113 |
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| 114 | #endif // JSCallbackObject_h
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