/* | |
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. | |
* Copyright (C) 2007 Eric Seidel <eric@webkit.org> | |
* | |
* Redistribution and use in source and binary forms, with or without | |
* modification, are permitted provided that the following conditions | |
* are met: | |
* 1. Redistributions of source code must retain the above copyright | |
* notice, this list of conditions and the following disclaimer. | |
* 2. Redistributions in binary form must reproduce the above copyright | |
* notice, this list of conditions and the following disclaimer in the | |
* documentation and/or other materials provided with the distribution. | |
* | |
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
*/ | |
#ifndef JSCallbackObject_h | |
#define JSCallbackObject_h | |
#include "JSObjectRef.h" | |
#include "JSValueRef.h" | |
#include "JSObject.h" | |
namespace JSC { | |
struct JSCallbackObjectData { | |
JSCallbackObjectData(void* privateData, JSClassRef jsClass) | |
: privateData(privateData) | |
, jsClass(jsClass) | |
{ | |
JSClassRetain(jsClass); | |
} | |
~JSCallbackObjectData() | |
{ | |
JSClassRelease(jsClass); | |
} | |
JSValue getPrivateProperty(const Identifier& propertyName) const | |
{ | |
if (!m_privateProperties) | |
return JSValue(); | |
return m_privateProperties->getPrivateProperty(propertyName); | |
} | |
void setPrivateProperty(const Identifier& propertyName, JSValue value) | |
{ | |
if (!m_privateProperties) | |
m_privateProperties.set(new JSPrivatePropertyMap); | |
m_privateProperties->setPrivateProperty(propertyName, value); | |
} | |
void deletePrivateProperty(const Identifier& propertyName) | |
{ | |
if (!m_privateProperties) | |
return; | |
m_privateProperties->deletePrivateProperty(propertyName); | |
} | |
void markChildren(MarkStack& markStack) | |
{ | |
if (!m_privateProperties) | |
return; | |
m_privateProperties->markChildren(markStack); | |
} | |
void* privateData; | |
JSClassRef jsClass; | |
struct JSPrivatePropertyMap { | |
JSValue getPrivateProperty(const Identifier& propertyName) const | |
{ | |
PrivatePropertyMap::const_iterator location = m_propertyMap.find(propertyName.ustring().rep()); | |
if (location == m_propertyMap.end()) | |
return JSValue(); | |
return location->second; | |
} | |
void setPrivateProperty(const Identifier& propertyName, JSValue value) | |
{ | |
m_propertyMap.set(propertyName.ustring().rep(), value); | |
} | |
void deletePrivateProperty(const Identifier& propertyName) | |
{ | |
m_propertyMap.remove(propertyName.ustring().rep()); | |
} | |
void markChildren(MarkStack& markStack) | |
{ | |
for (PrivatePropertyMap::iterator ptr = m_propertyMap.begin(); ptr != m_propertyMap.end(); ++ptr) { | |
if (ptr->second) | |
markStack.append(ptr->second); | |
} | |
} | |
private: | |
typedef HashMap<RefPtr<UString::Rep>, JSValue, IdentifierRepHash> PrivatePropertyMap; | |
PrivatePropertyMap m_propertyMap; | |
}; | |
OwnPtr<JSPrivatePropertyMap> m_privateProperties; | |
}; | |
template <class Base> | |
class JSCallbackObject : public Base { | |
public: | |
JSCallbackObject(ExecState*, NonNullPassRefPtr<Structure>, JSClassRef, void* data); | |
JSCallbackObject(JSClassRef); | |
virtual ~JSCallbackObject(); | |
void setPrivate(void* data); | |
void* getPrivate(); | |
static const ClassInfo info; | |
JSClassRef classRef() const { return m_callbackObjectData->jsClass; } | |
bool inherits(JSClassRef) const; | |
static PassRefPtr<Structure> createStructure(JSValue proto) | |
{ | |
return Structure::create(proto, TypeInfo(ObjectType, StructureFlags), Base::AnonymousSlotCount); | |
} | |
JSValue getPrivateProperty(const Identifier& propertyName) const | |
{ | |
return m_callbackObjectData->getPrivateProperty(propertyName); | |
} | |
void setPrivateProperty(const Identifier& propertyName, JSValue value) | |
{ | |
m_callbackObjectData->setPrivateProperty(propertyName, value); | |
} | |
void deletePrivateProperty(const Identifier& propertyName) | |
{ | |
m_callbackObjectData->deletePrivateProperty(propertyName); | |
} | |
protected: | |
static const unsigned StructureFlags = OverridesGetOwnPropertySlot | ImplementsHasInstance | OverridesHasInstance | OverridesMarkChildren | OverridesGetPropertyNames | Base::StructureFlags; | |
private: | |
virtual UString className() const; | |
virtual bool getOwnPropertySlot(ExecState*, const Identifier&, PropertySlot&); | |
virtual bool getOwnPropertySlot(ExecState*, unsigned, PropertySlot&); | |
virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&); | |
virtual void put(ExecState*, const Identifier&, JSValue, PutPropertySlot&); | |
virtual bool deleteProperty(ExecState*, const Identifier&); | |
virtual bool deleteProperty(ExecState*, unsigned); | |
virtual bool hasInstance(ExecState* exec, JSValue value, JSValue proto); | |
virtual void getOwnPropertyNames(ExecState*, PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties); | |
virtual double toNumber(ExecState*) const; | |
virtual UString toString(ExecState*) const; | |
virtual ConstructType getConstructData(ConstructData&); | |
virtual CallType getCallData(CallData&); | |
virtual const ClassInfo* classInfo() const { return &info; } | |
virtual void markChildren(MarkStack& markStack) | |
{ | |
Base::markChildren(markStack); | |
m_callbackObjectData->markChildren(markStack); | |
} | |
void init(ExecState*); | |
static JSCallbackObject* asCallbackObject(JSValue); | |
static JSValue JSC_HOST_CALL call(ExecState*, JSObject* functionObject, JSValue thisValue, const ArgList&); | |
static JSObject* construct(ExecState*, JSObject* constructor, const ArgList&); | |
static JSValue staticValueGetter(ExecState*, JSValue, const Identifier&); | |
static JSValue staticFunctionGetter(ExecState*, JSValue, const Identifier&); | |
static JSValue callbackGetter(ExecState*, JSValue, const Identifier&); | |
OwnPtr<JSCallbackObjectData> m_callbackObjectData; | |
}; | |
} // namespace JSC | |
// include the actual template class implementation | |
#include "JSCallbackObjectFunctions.h" | |
#endif // JSCallbackObject_h |