// -*- c-basic-offset: 4 -*-

/*

 *  This file is part of the KDE libraries

 *  Copyright (C) 1999-2000 Harri Porten (porten@kde.org)

 *  Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.

 *

 *  This library is free software; you can redistribute it and/or

 *  modify it under the terms of the GNU Lesser General Public

 *  License as published by the Free Software Foundation; either

 *  version 2 of the License, or (at your option) any later version.

 *

 *  This library is distributed in the hope that it will be useful,

 *  but WITHOUT ANY WARRANTY; without even the implied warranty of

 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 *  Lesser General Public License for more details.

 *

 *  You should have received a copy of the GNU Lesser General Public

 *  License along with this library; if not, write to the Free Software

 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "config.h"

#include "kjs_html.h"

#include "Frame.h"

#include "FrameLoader.h"

#include "JSHTMLElement.h"

#include "HTMLDocument.h"

#include "HTMLImageElement.h"

#include "kjs_proxy.h"

namespace WebCore {

using namespace KJS;

ImageConstructorImp::ImageConstructorImp(ExecState* exec, Document* doc)

    : m_doc(doc)

{

    setPrototype(exec->lexicalInterpreter()->builtinObjectPrototype());

}

JSObject* ImageConstructorImp::construct(ExecState*  exec, const List& list)

{

    bool widthSet = false;

    bool heightSet = false;

    int width = 0;

    int height = 0;

    if (list.size() > 0) {

        widthSet = true;

        JSValue* w = list.at(0);

        width = w->toInt32(exec);

    }

    if (list.size() > 1) {

        heightSet = true;

        JSValue* h = list.at(1);

        height = h->toInt32(exec);

    }

    HTMLImageElement* image = new HTMLImageElement(m_doc.get());

    JSObject* result = static_cast<JSObject*>(toJS(exec, image));

    if (widthSet)

        image->setWidth(width);

    if (heightSet)

        image->setHeight(height);

    return result;

}

// -------------------------------------------------------------------------

// Runtime object support code for JSHTMLAppletElement, JSHTMLEmbedElement and JSHTMLObjectElement.

JSValue* runtimeObjectGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot)

{

    JSHTMLElement* thisObj = static_cast<JSHTMLElement*>(slot.slotBase());

    HTMLElement* element = static_cast<HTMLElement*>(thisObj->impl());

    return getRuntimeObject(exec, element);

}

JSValue* runtimeObjectPropertyGetter(ExecState* exec, JSObject* originalObject, const Identifier& propertyName, const PropertySlot& slot)

{

    JSHTMLElement* thisObj = static_cast<JSHTMLElement*>(slot.slotBase());

    HTMLElement* element = static_cast<HTMLElement*>(thisObj->impl());

    if (JSValue* runtimeObject = getRuntimeObject(exec, element))

        return static_cast<JSObject*>(runtimeObject)->get(exec, propertyName);

    return jsUndefined();

}

bool runtimeObjectCustomGetOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot, WebCore::JSHTMLElement* originalObj, HTMLElement* thisImp)

{

    JSValue* runtimeObject = getRuntimeObject(exec, thisImp);

    if (runtimeObject) {

        JSObject* imp = static_cast<JSObject*>(runtimeObject);

        if (imp->hasProperty(exec, propertyName)) {

            slot.setCustom(originalObj, runtimeObjectPropertyGetter);

            return true;

        }

    }

    return false;

}

bool runtimeObjectCustomPut(ExecState* exec, const Identifier& propertyName, JSValue* value, int /*attr*/, HTMLElement* thisImp)

{

    if (JSValue* runtimeObject = getRuntimeObject(exec, thisImp)) {

        JSObject* imp = static_cast<JSObject*>(runtimeObject);

        if (imp->canPut(exec, propertyName)) {

            imp->put(exec, propertyName, value);

            return true;

        }

    }

    return false;

}

bool runtimeObjectImplementsCall(HTMLElement* thisImp)

{

    Frame* frame = thisImp->document()->frame();

    if (!frame)

        return false;

    KJSProxy* proxy = frame->scriptProxy();

    ExecState* exec = proxy->interpreter()->globalExec();

    if (JSValue* runtimeObject = getRuntimeObject(exec, thisImp))

        return static_cast<JSObject*>(runtimeObject)->implementsCall();

    return false;

}

JSValue* runtimeObjectCallAsFunction(ExecState* exec, JSObject* thisObj, const List& args, HTMLElement* thisImp)

{

    if (JSValue* runtimeObject = getRuntimeObject(exec, thisImp))

        return static_cast<JSObject*>(runtimeObject)->call(exec, thisObj, args);

    return jsUndefined();

}

} // namespace WebCore