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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 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 "HTMLDocument.h"
#include "HTMLNames.h"
#include "JSHTMLElement.h"
#include "ScriptController.h"
#include "HTMLPlugInElement.h"
#if USE(JAVASCRIPTCORE_BINDINGS)
#include "runtime.h"
#endif
using namespace KJS;
namespace WebCore {
using namespace HTMLNames;
// Runtime object support code for JSHTMLAppletElement, JSHTMLEmbedElement and JSHTMLObjectElement.
static JSObject* getRuntimeObject(ExecState* exec, Node* node)
{
if (!node)
return 0;
#if USE(JAVASCRIPTCORE_BINDINGS)
if (node->hasTagName(objectTag) || node->hasTagName(embedTag) || node->hasTagName(appletTag)) {
HTMLPlugInElement* plugInElement = static_cast<HTMLPlugInElement*>(node);
if (plugInElement->getInstance() && plugInElement->getInstance()->rootObject())
// The instance is owned by the PlugIn element.
return KJS::Bindings::Instance::createRuntimeObject(plugInElement->getInstance());
}
#endif
// If we don't have a runtime object return 0.
return 0;
}
JSValue* runtimeObjectGetter(ExecState* exec, 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, const Identifier& propertyName, const PropertySlot& slot)
{
JSHTMLElement* thisObj = static_cast<JSHTMLElement*>(slot.slotBase());
HTMLElement* element = static_cast<HTMLElement*>(thisObj->impl());
JSObject* runtimeObject = getRuntimeObject(exec, element);
if (!runtimeObject)
return jsUndefined();
return runtimeObject->get(exec, propertyName);
}
bool runtimeObjectCustomGetOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot, JSHTMLElement* originalObj, HTMLElement* thisImp)
{
JSObject* runtimeObject = getRuntimeObject(exec, thisImp);
if (!runtimeObject)
return false;
if (!runtimeObject->hasProperty(exec, propertyName))
return false;
slot.setCustom(originalObj, runtimeObjectPropertyGetter);
return true;
}
bool runtimeObjectCustomPut(ExecState* exec, const Identifier& propertyName, JSValue* value, HTMLElement* thisImp)
{
JSObject* runtimeObject = getRuntimeObject(exec, thisImp);
if (!runtimeObject)
return 0;
if (!runtimeObject->hasProperty(exec, propertyName))
return false;
runtimeObject->put(exec, propertyName, value);
return true;
}
bool runtimeObjectImplementsCall(HTMLElement* thisImp)
{
Frame* frame = thisImp->document()->frame();
if (!frame)
return false;
ExecState* exec = frame->scriptProxy()->globalObject()->globalExec();
JSObject* runtimeObject = getRuntimeObject(exec, thisImp);
if (!runtimeObject)
return false;
return runtimeObject->implementsCall();
}
JSValue* runtimeObjectCallAsFunction(ExecState* exec, JSObject* thisObj, const List& args, HTMLElement* thisImp)
{
JSObject* runtimeObject = getRuntimeObject(exec, thisImp);
if (!runtimeObject)
return jsUndefined();
return runtimeObject->callAsFunction(exec, thisObj, args);
}
} // namespace WebCore
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