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/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef StyleScrollSnapPoints_h
#define StyleScrollSnapPoints_h
#if ENABLE(CSS_SCROLL_SNAP)
#include "LengthSize.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
struct ScrollSnapPoints {
Length repeatOffset;
bool hasRepeat;
bool usesElements;
Vector<Length> offsets;
ScrollSnapPoints();
};
bool operator==(const ScrollSnapPoints&, const ScrollSnapPoints&);
inline bool operator!=(const ScrollSnapPoints& a, const ScrollSnapPoints& b) { return !(a == b); }
LengthSize defaultScrollSnapDestination();
class StyleScrollSnapPoints : public RefCounted<StyleScrollSnapPoints> {
public:
static Ref<StyleScrollSnapPoints> create() { return adoptRef(*new StyleScrollSnapPoints); }
Ref<StyleScrollSnapPoints> copy() const;
std::unique_ptr<ScrollSnapPoints> xPoints;
std::unique_ptr<ScrollSnapPoints> yPoints;
LengthSize destination;
Vector<LengthSize> coordinates;
private:
StyleScrollSnapPoints();
StyleScrollSnapPoints(const StyleScrollSnapPoints&);
};
bool operator==(const StyleScrollSnapPoints&, const StyleScrollSnapPoints&);
inline bool operator!=(const StyleScrollSnapPoints& a, const StyleScrollSnapPoints& b) { return !(a == b); }
} // namespace WebCore
#endif // ENABLE(CSS_SCROLL_SNAP)
#endif // StyleScrollSnapPoints_h
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