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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2010 Apple Inc. ALl rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef HTMLStyleElement_h
#define HTMLStyleElement_h
#include "HTMLElement.h"
#include "StyleElement.h"
namespace WebCore {
class HTMLStyleElement;
class StyleSheet;
template<typename T> class EventSender;
typedef EventSender<HTMLStyleElement> StyleEventSender;
class HTMLStyleElement FINAL : public HTMLElement, private StyleElement {
public:
static PassRefPtr<HTMLStyleElement> create(const QualifiedName&, Document*, bool createdByParser);
virtual ~HTMLStyleElement();
void setType(const AtomicString&);
bool scoped() const;
void setScoped(bool);
Element* scopingElement() const;
bool isRegisteredAsScoped() const
{
// Note: We cannot rely on the 'scoped' attribute still being present when this method is invoked.
// Therefore we cannot rely on scoped()!
if (m_scopedStyleRegistrationState == NotRegistered)
return false;
return true;
}
using StyleElement::sheet;
bool disabled() const;
void setDisabled(bool);
void dispatchPendingEvent(StyleEventSender*);
static void dispatchPendingLoadEvents();
private:
HTMLStyleElement(const QualifiedName&, Document*, bool createdByParser);
// overload from HTMLElement
virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
virtual void removedFrom(ContainerNode*) OVERRIDE;
virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
virtual void finishParsingChildren();
virtual bool isLoading() const { return StyleElement::isLoading(); }
virtual bool sheetLoaded() { return StyleElement::sheetLoaded(document()); }
virtual void notifyLoadedSheetAndAllCriticalSubresources(bool errorOccurred);
virtual void startLoadingDynamicSheet() { StyleElement::startLoadingDynamicSheet(document()); }
virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
virtual const AtomicString& media() const;
virtual const AtomicString& type() const;
void scopedAttributeChanged(bool);
void registerWithScopingNode(bool);
void unregisterWithScopingNode(ContainerNode*);
bool m_firedLoad;
bool m_loadedSheet;
enum ScopedStyleRegistrationState {
NotRegistered,
RegisteredAsScoped,
RegisteredInShadowRoot
};
ScopedStyleRegistrationState m_scopedStyleRegistrationState;
};
inline bool isHTMLStyleElement(Node* node)
{
return node->hasTagName(HTMLNames::styleTag);
}
inline bool isHTMLStyleElement(Element* element)
{
return element->hasTagName(HTMLNames::styleTag);
}
inline HTMLStyleElement* toHTMLStyleElement(Node* node)
{
ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLStyleElement(node));
return static_cast<HTMLStyleElement*>(node);
}
} //namespace
#endif
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