third_party/WebKit/Source/core/html/HTMLStyleElement.h

/*
 * 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 "core/dom/StyleElement.h"
#include "core/html/HTMLElement.h"

namespace blink {

class HTMLStyleElement;

template<typename T> class EventSender;
using StyleEventSender = EventSender<HTMLStyleElement>;

class HTMLStyleElement final : public HTMLElement, private StyleElement {
    DEFINE_WRAPPERTYPEINFO();
    USING_GARBAGE_COLLECTED_MIXIN(HTMLStyleElement);
public:
    static HTMLStyleElement* create(Document&, bool createdByParser);
    ~HTMLStyleElement() override;

    using StyleElement::sheet;

    bool disabled() const;
    void setDisabled(bool);

    void dispatchPendingEvent(StyleEventSender*);
    static void dispatchPendingLoadEvents();

    DECLARE_VIRTUAL_TRACE();

private:
    HTMLStyleElement(Document&, bool createdByParser);

    // overload from HTMLElement
    void parseAttribute(const QualifiedName&, const AtomicString&, const AtomicString&) override;
    InsertionNotificationRequest insertedInto(ContainerNode*) override;
    void didNotifySubtreeInsertionsToDocument() override;
    void removedFrom(ContainerNode*) override;
    void childrenChanged(const ChildrenChange&) override;

    void finishParsingChildren() override;

    bool sheetLoaded() override { return StyleElement::sheetLoaded(document()); }
    void notifyLoadedSheetAndAllCriticalSubresources(LoadedSheetErrorStatus) override;
    void startLoadingDynamicSheet() override { StyleElement::startLoadingDynamicSheet(document()); }

    const AtomicString& media() const override;
    const AtomicString& type() const override;

    bool m_firedLoad;
    bool m_loadedSheet;
};

} // namespace blink

#endif // HTMLStyleElement_h