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/*
* Copyright (C) 2022 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.
*/
#pragma once
#include "ElementIdentifier.h"
#include "FloatRect.h"
#include "Path.h"
#include "Region.h"
namespace IPC {
class Decoder;
class Encoder;
}
namespace WTF {
class TextStream;
}
namespace WebCore {
class Element;
class Page;
class RenderObject;
struct InteractionRegion {
enum class Type : uint8_t { Interaction, Occlusion, Guard };
enum class CornerMask : uint8_t {
MinXMinYCorner = 1 << 0,
MaxXMinYCorner = 1 << 1,
MinXMaxYCorner = 1 << 2,
MaxXMaxYCorner = 1 << 3
};
enum class ContentHint : bool { Default, Photo };
Type type;
ElementIdentifier elementIdentifier;
FloatRect rectInLayerCoordinates;
float cornerRadius { 0 };
OptionSet<CornerMask> maskedCorners { };
ContentHint contentHint { ContentHint::Default };
std::optional<Path> clipPath { std::nullopt };
#if ENABLE(INTERACTION_REGION_TEXT_CONTENT)
String text { };
#endif
WEBCORE_EXPORT ~InteractionRegion();
};
inline bool operator==(const InteractionRegion& a, const InteractionRegion& b)
{
return a.type == b.type
&& a.elementIdentifier == b.elementIdentifier
&& a.contentHint == b.contentHint
&& a.rectInLayerCoordinates == b.rectInLayerCoordinates
&& a.cornerRadius == b.cornerRadius
&& a.maskedCorners == b.maskedCorners
&& a.clipPath.has_value() == b.clipPath.has_value()
#if ENABLE(INTERACTION_REGION_TEXT_CONTENT)
&& a.text == b.text
#endif
&& (!a.clipPath || &a.clipPath.value() == &b.clipPath.value());
}
WEBCORE_EXPORT std::optional<InteractionRegion> interactionRegionForRenderedRegion(RenderObject&, const FloatRect&, const FloatSize&, const std::optional<AffineTransform>&);
WTF::TextStream& operator<<(WTF::TextStream&, const InteractionRegion&);
}
namespace WTF {
template<typename T> struct DefaultHash;
template<> struct DefaultHash<WebCore::InteractionRegion::Type> : IntHash<WebCore::InteractionRegion::Type> { };
template<> struct DefaultHash<WebCore::InteractionRegion::ContentHint> : IntHash<WebCore::InteractionRegion::ContentHint> { };
}
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