StyleScrollSnapPoints.h [plain text]
#pragma once
#if ENABLE(CSS_SCROLL_SNAP)
#include "LengthBox.h"
#include "LengthSize.h"
#include "RenderStyleConstants.h"
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
namespace WebCore {
struct ScrollSnapType {
ScrollSnapAxis axis { ScrollSnapAxis::Both };
ScrollSnapStrictness strictness { ScrollSnapStrictness::None };
};
inline bool operator==(const ScrollSnapType& a, const ScrollSnapType& b)
{
return a.axis == b.axis && a.strictness == b.strictness;
}
inline bool operator!=(const ScrollSnapType& a, const ScrollSnapType& b) { return !(a == b); }
class StyleScrollSnapPort : public RefCounted<StyleScrollSnapPort> {
public:
static Ref<StyleScrollSnapPort> create() { return adoptRef(*new StyleScrollSnapPort); }
Ref<StyleScrollSnapPort> copy() const;
ScrollSnapType type;
LengthBox scrollPadding { 0, 0, 0, 0 };
private:
StyleScrollSnapPort();
StyleScrollSnapPort(const StyleScrollSnapPort&);
};
inline bool operator==(const StyleScrollSnapPort& a, const StyleScrollSnapPort& b)
{
return a.type == b.type && a.scrollPadding == b.scrollPadding;
}
inline bool operator!=(const StyleScrollSnapPort& a, const StyleScrollSnapPort& b) { return !(a == b); }
struct ScrollSnapAlign {
ScrollSnapAxisAlignType x { ScrollSnapAxisAlignType::None };
ScrollSnapAxisAlignType y { ScrollSnapAxisAlignType::None };
};
inline bool operator==(const ScrollSnapAlign& a, const ScrollSnapAlign& b)
{
return a.x == b.x && a.y == b.y;
}
inline bool operator!=(const ScrollSnapAlign& a, const ScrollSnapAlign& b) { return !(a == b); }
class StyleScrollSnapArea : public RefCounted<StyleScrollSnapArea> {
public:
static Ref<StyleScrollSnapArea> create() { return adoptRef(*new StyleScrollSnapArea); }
Ref<StyleScrollSnapArea> copy() const;
bool hasSnapPosition() const { return alignment.x != ScrollSnapAxisAlignType::None || alignment.y != ScrollSnapAxisAlignType::None; }
ScrollSnapAlign alignment;
LengthBox scrollSnapMargin { 0, 0, 0, 0 };
private:
StyleScrollSnapArea();
StyleScrollSnapArea(const StyleScrollSnapArea&);
};
inline bool operator==(const StyleScrollSnapArea& a, const StyleScrollSnapArea& b)
{
return a.alignment == b.alignment && a.scrollSnapMargin == b.scrollSnapMargin;
}
inline bool operator!=(const StyleScrollSnapArea& a, const StyleScrollSnapArea& b) { return !(a == b); }
}
#endif // ENABLE(CSS_SCROLL_SNAP)