/*

* Copyright (C) 2006 Rob Buis <buis@kde.org>

* Copyright (C) 2008-2021 Apple Inc. All right 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 "CSSValue.h"

#include "IntPoint.h"

#include "ResourceLoaderOptions.h"

#include <wtf/HashSet.h>

namespace WebCore {

class Document;

class SVGCursorElement;

struct ImageWithScale;

namespace Style {

class BuilderState;

}

class CSSCursorImageValue final : public CSSValue {

public:

static Ref<CSSCursorImageValue> create(Ref<CSSValue>&& imageValue, const std::optional<IntPoint>& hotSpot, LoadedFromOpaqueSource);

~CSSCursorImageValue();

std::optional<IntPoint> hotSpot() const { return m_hotSpot; }

const URL& imageURL() const { return m_originalURL; }

String customCSSText() const;

ImageWithScale selectBestFitImage(const Document&);

bool equals(const CSSCursorImageValue&) const;

void cursorElementRemoved(SVGCursorElement&);

void cursorElementChanged(SVGCursorElement&);

Ref<CSSCursorImageValue> valueWithStylesResolved(Style::BuilderState&);

private:

CSSCursorImageValue(Ref<CSSValue>&& imageValue, const std::optional<IntPoint>& hotSpot, LoadedFromOpaqueSource);

SVGCursorElement* updateCursorElement(const Document&);

URL m_originalURL;

Ref<CSSValue> m_imageValue;

std::optional<IntPoint> m_hotSpot;

HashSet<SVGCursorElement*> m_cursorElements;

LoadedFromOpaqueSource m_loadedFromOpaqueSource { LoadedFromOpaqueSource::No };

};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_CSS_VALUE(CSSCursorImageValue, isCursorImageValue())