#include "config.h"
#include "c_instance.h"
#include "c_class.h"
#include "c_runtime.h"
#include "c_utility.h"
#include "list.h"
#include "npruntime_impl.h"
#include <wtf/Vector.h>
namespace KJS {
namespace Bindings {
CInstance::CInstance(NPObject* o)
{
_object = _NPN_RetainObject(o);
_class = 0;
setExecutionContext(0);
}
CInstance::~CInstance()
{
_NPN_ReleaseObject(_object);
}
CInstance::CInstance(const CInstance &other) : Instance()
{
_object = _NPN_RetainObject(other._object);
_class = 0;
setExecutionContext(other.executionContext());
}
CInstance &CInstance::operator=(const CInstance& other)
{
if (this == &other)
return *this;
NPObject* _oldObject = _object;
_object = _NPN_RetainObject(other._object);
_NPN_ReleaseObject(_oldObject);
_class = 0;
return *this;
}
Class *CInstance::getClass() const
{
if (!_class)
_class = CClass::classForIsA(_object->_class);
return _class;
}
void CInstance::begin()
{
}
void CInstance::end()
{
}
bool CInstance::implementsCall() const
{
return (_object->_class->invokeDefault != 0);
}
JSValue* CInstance::invokeMethod(ExecState* exec, const MethodList& methodList, const List& args)
{
assert(methodList.length() == 1);
CMethod* method = static_cast<CMethod*>(methodList.methodAt(0));
NPIdentifier ident = _NPN_GetStringIdentifier(method->name());
if (!_object->_class->hasMethod(_object, ident))
return jsUndefined();
unsigned count = args.size();
Vector<NPVariant, 128> cArgs(count);
unsigned i;
for (i = 0; i < count; i++)
convertValueToNPVariant(exec, args.at(i), &cArgs[i]);
NPVariant resultVariant;
VOID_TO_NPVARIANT(resultVariant);
_object->_class->invoke(_object, ident, cArgs, count, &resultVariant);
for (i = 0; i < count; i++)
_NPN_ReleaseVariantValue(&cArgs[i]);
JSValue* resultValue = convertNPVariantToValue(exec, &resultVariant);
_NPN_ReleaseVariantValue(&resultVariant);
return resultValue;
}
JSValue* CInstance::invokeDefaultMethod(ExecState* exec, const List& args)
{
if (!_object->_class->invokeDefault)
return jsUndefined();
unsigned count = args.size();
Vector<NPVariant, 128> cArgs(count);
unsigned i;
for (i = 0; i < count; i++)
convertValueToNPVariant(exec, args.at(i), &cArgs[i]);
NPVariant resultVariant;
VOID_TO_NPVARIANT(resultVariant);
_object->_class->invokeDefault(_object, cArgs, count, &resultVariant);
for (i = 0; i < count; i++)
_NPN_ReleaseVariantValue(&cArgs[i]);
JSValue* resultValue = convertNPVariantToValue(exec, &resultVariant);
_NPN_ReleaseVariantValue(&resultVariant);
return resultValue;
}
JSValue* CInstance::defaultValue(JSType hint) const
{
if (hint == StringType)
return stringValue();
if (hint == NumberType)
return numberValue();
if (hint == BooleanType)
return booleanValue();
return valueOf();
}
JSValue* CInstance::stringValue() const
{
char buf[1024];
snprintf(buf, sizeof(buf), "NPObject %p, NPClass %p", _object, _object->_class);
return jsString(buf);
}
JSValue* CInstance::numberValue() const
{
return jsNumber(0);
}
JSValue* CInstance::booleanValue() const
{
return jsBoolean(false);
}
JSValue* CInstance::valueOf() const
{
return stringValue();
}
}
}