/*
 * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
 * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
 * Copyright (C) 2013-2024 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.
 */

#pragma once

#include "InlineStyleSheetOwner.h"
#include "SVGElement.h"
#include "Timer.h"

namespace WebCore {

class SVGStyleElement final : public SVGElement {
    WTF_MAKE_TZONE_ALLOCATED(SVGStyleElement);
    WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(SVGStyleElement);
public:
    static Ref<SVGStyleElement> create(const QualifiedName&, Document&, bool createdByParser);
    virtual ~SVGStyleElement();

    CSSStyleSheet* sheet() const { return m_styleSheetOwner.sheet(); }

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

private:
    SVGStyleElement(const QualifiedName&, Document&, bool createdByParser);

    void attributeChanged(const QualifiedName&, const AtomString& oldValue, const AtomString& newValue, AttributeModificationReason) final;
    InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) final;
    void removedFromAncestor(RemovalType, ContainerNode&) final;
    void childrenChanged(const ChildChange&) final;

    bool rendererIsNeeded(const RenderStyle&) final { return false; }
    bool supportsFocus() const final { return false; }

    void finishParsingChildren() final;

    bool isLoading() const { return m_styleSheetOwner.isLoading(); }
    bool sheetLoaded() final { return m_styleSheetOwner.sheetLoaded(*this); }
    void startLoadingDynamicSheet() final { m_styleSheetOwner.startLoadingDynamicSheet(*this); }
    Timer* loadEventTimer() final { return &m_loadEventTimer; }

    String title() const final;

    InlineStyleSheetOwner m_styleSheetOwner;
    Timer m_loadEventTimer;
};

} // namespace WebCore
