| 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*, NonNullPassRefPtr<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 | |
| 48 | JSClassRef classRef() const { return m_callbackObjectData->jsClass; } |
| 49 | bool inherits(JSClassRef) const; |
| 50 | |
| 51 | static PassRefPtr<Structure> createStructure(JSValue proto) |
| 52 | { |
| 53 | return Structure::create(prototype: proto, typeInfo: TypeInfo(ObjectType, StructureFlags)); |
| 54 | } |
| 55 | |
| 56 | protected: |
| 57 | static const unsigned StructureFlags = OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesMarkChildren | OverridesGetPropertyNames | Base::StructureFlags; |
| 58 | |
| 59 | private: |
| 60 | virtual UString className() const; |
| 61 | |
| 62 | virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&); |
| 63 | virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&); |
| 64 | virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&); |
| 65 | |
| 66 | virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&); |
| 67 | |
| 68 | virtual bool deleteProperty(ExecState*, const Identifier&); |
| 69 | virtual bool deleteProperty(ExecState*, unsigned); |
| 70 | |
| 71 | virtual bool hasInstance(ExecState* exec, JSValue value, JSValue proto); |
| 72 | |
| 73 | virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties); |
| 74 | |
| 75 | virtual double toNumber(ExecState*) const; |
| 76 | virtual UString toString(ExecState*) const; |
| 77 | |
| 78 | virtual ConstructType getConstructData(ConstructData&); |
| 79 | virtual CallType getCallData(CallData&); |
| 80 | virtual const ClassInfo* classInfo() const { return &info; } |
| 81 | |
| 82 | void init(ExecState*); |
| 83 | |
| 84 | static JSCallbackObject* asCallbackObject(JSValue); |
| 85 | |
| 86 | static JSValue JSC_HOST_CALL call(ExecState*, JSObject* functionObject, JSValue thisValue, const ArgList&); |
| 87 | static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&); |
| 88 | |
| 89 | static JSValue staticValueGetter(ExecState*, const Identifier&, const PropertySlot&); |
| 90 | static JSValue staticFunctionGetter(ExecState*, const Identifier&, const PropertySlot&); |
| 91 | static JSValue callbackGetter(ExecState*, const Identifier&, const PropertySlot&); |
| 92 | |
| 93 | struct JSCallbackObjectData { |
| 94 | JSCallbackObjectData(void* privateData, JSClassRef jsClass) |
| 95 | : privateData(privateData) |
| 96 | , jsClass(jsClass) |
| 97 | { |
| 98 | JSClassRetain(jsClass); |
| 99 | } |
| 100 | |
| 101 | ~JSCallbackObjectData() |
| 102 | { |
| 103 | JSClassRelease(jsClass); |
| 104 | } |
| 105 | |
| 106 | void* privateData; |
| 107 | JSClassRef jsClass; |
| 108 | }; |
| 109 | |
| 110 | OwnPtr<JSCallbackObjectData> m_callbackObjectData; |
| 111 | }; |
| 112 | |
| 113 | } // namespace JSC |
| 114 | |
| 115 | // include the actual template class implementation |
| 116 | #include "JSCallbackObjectFunctions.h" |
| 117 | |
| 118 | #endif // JSCallbackObject_h |
| 119 | |