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      1 /*
      2  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
      3  *
      4  * This library is free software; you can redistribute it and/or
      5  * modify it under the terms of the GNU Library General Public
      6  * License as published by the Free Software Foundation; either
      7  * version 2 of the License, or (at your option) any later version.
      8  *
      9  * This library is distributed in the hope that it will be useful,
     10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12  * Library General Public License for more details.
     13  *
     14  * You should have received a copy of the GNU Library General Public License
     15  * along with this library; see the file COPYING.LIB.  If not, write to
     16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17  * Boston, MA 02110-1301, USA.
     18  */
     19 
     20 #include "config.h"
     21 #include "JSOptionConstructor.h"
     22 
     23 #include "HTMLNames.h"
     24 #include "HTMLOptionElement.h"
     25 #include "JSHTMLOptionElement.h"
     26 #include "ScriptExecutionContext.h"
     27 #include "Text.h"
     28 #include <runtime/Error.h>
     29 
     30 using namespace JSC;
     31 
     32 namespace WebCore {
     33 
     34 ASSERT_CLASS_FITS_IN_CELL(JSOptionConstructor);
     35 
     36 const ClassInfo JSOptionConstructor::s_info = { "OptionConstructor", &DOMConstructorWithDocument::s_info, 0, 0 };
     37 
     38 JSOptionConstructor::JSOptionConstructor(ExecState* exec, JSDOMGlobalObject* globalObject)
     39     : DOMConstructorWithDocument(JSOptionConstructor::createStructure(globalObject->globalData(), globalObject->objectPrototype()), globalObject)
     40 {
     41     ASSERT(inherits(&s_info));
     42     putDirect(exec->globalData(), exec->propertyNames().prototype, JSHTMLOptionElementPrototype::self(exec, globalObject), None);
     43     putDirect(exec->globalData(), exec->propertyNames().length, jsNumber(4), ReadOnly | DontDelete | DontEnum);
     44 }
     45 
     46 static EncodedJSValue JSC_HOST_CALL constructHTMLOptionElement(ExecState* exec)
     47 {
     48     JSOptionConstructor* jsConstructor = static_cast<JSOptionConstructor*>(exec->callee());
     49     Document* document = jsConstructor->document();
     50     if (!document)
     51         return throwVMError(exec, createReferenceError(exec, "Option constructor associated document is unavailable"));
     52 
     53     String data;
     54     if ((exec->argumentCount() >= 1) && !exec->argument(0).isUndefined())
     55         data = ustringToString(exec->argument(0).toString(exec));
     56 
     57     String value;
     58     if ((exec->argumentCount() >= 2)  && !exec->argument(1).isUndefined())
     59         value = ustringToString(exec->argument(1).toString(exec));
     60     bool defaultSelected = (exec->argumentCount() >= 3) && exec->argument(2).toBoolean(exec);
     61     bool selected = (exec->argumentCount() >= 4) && exec->argument(3).toBoolean(exec);
     62 
     63     ExceptionCode ec = 0;
     64     RefPtr<HTMLOptionElement> element = HTMLOptionElement::createForJSConstructor(document, data, value, defaultSelected, selected, ec);
     65     if (ec) {
     66         setDOMException(exec, ec);
     67         return JSValue::encode(JSValue());
     68     }
     69 
     70     return JSValue::encode(asObject(toJS(exec, jsConstructor->globalObject(), element.release())));
     71 }
     72 
     73 ConstructType JSOptionConstructor::getConstructData(ConstructData& constructData)
     74 {
     75     constructData.native.function = constructHTMLOptionElement;
     76     return ConstructTypeHost;
     77 }
     78 
     79 
     80 } // namespace WebCore
     81