JSImageConstructor.cpp [plain text]
#include "config.h"
#include "JSImageConstructor.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "JSHTMLImageElement.h"
#include "JSNode.h"
#include <runtime/Error.h>
using namespace JSC;
namespace WebCore {
ASSERT_CLASS_FITS_IN_CELL(JSImageConstructor);
const ClassInfo JSImageConstructor::s_info = { "ImageConstructor", &DOMConstructorWithDocument::s_info, 0, 0 };
JSImageConstructor::JSImageConstructor(ExecState* exec, Structure* structure, JSDOMGlobalObject* globalObject)
: DOMConstructorWithDocument(structure, globalObject)
{
ASSERT(inherits(&s_info));
putDirect(exec->globalData(), exec->propertyNames().prototype, JSHTMLImageElementPrototype::self(exec, globalObject), None);
}
static EncodedJSValue JSC_HOST_CALL constructImage(ExecState* exec)
{
JSImageConstructor* jsConstructor = static_cast<JSImageConstructor*>(exec->callee());
Document* document = jsConstructor->document();
if (!document)
return throwVMError(exec, createReferenceError(exec, "Image constructor associated document is unavailable"));
toJS(exec, jsConstructor->globalObject(), document);
int width;
int height;
int* optionalWidth = 0;
int* optionalHeight = 0;
if (exec->argumentCount() > 0) {
width = exec->argument(0).toInt32(exec);
optionalWidth = &width;
}
if (exec->argumentCount() > 1) {
height = exec->argument(1).toInt32(exec);
optionalHeight = &height;
}
return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(),
HTMLImageElement::createForJSConstructor(document, optionalWidth, optionalHeight))));
}
ConstructType JSImageConstructor::getConstructData(ConstructData& constructData)
{
constructData.native.function = constructImage;
return ConstructTypeHost;
}
}