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/*
* Copyright (C) 2019 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 "PageIdentifier.h"
#include "ProcessQualified.h"
#include "ScriptExecutionContextIdentifier.h"
#include <wtf/ObjectIdentifier.h>
namespace WebCore {
struct ElementContext {
FloatRect boundingRect;
PageIdentifier webPageIdentifier;
ScriptExecutionContextIdentifier documentIdentifier;
ElementIdentifier elementIdentifier;
~ElementContext() = default;
bool isSameElement(const ElementContext& other) const
{
return webPageIdentifier == other.webPageIdentifier && documentIdentifier == other.documentIdentifier && elementIdentifier == other.elementIdentifier;
}
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static std::optional<ElementContext> decode(Decoder&);
};
inline bool operator==(const ElementContext& a, const ElementContext& b)
{
return a.boundingRect == b.boundingRect && a.isSameElement(b);
}
template<class Encoder>
void ElementContext::encode(Encoder& encoder) const
{
encoder << boundingRect;
encoder << webPageIdentifier;
encoder << documentIdentifier;
encoder << elementIdentifier;
}
template<class Decoder>
std::optional<ElementContext> ElementContext::decode(Decoder& decoder)
{
ElementContext context;
if (!decoder.decode(context.boundingRect))
return std::nullopt;
auto pageIdentifier = PageIdentifier::decode(decoder);
if (!pageIdentifier)
return std::nullopt;
context.webPageIdentifier = *pageIdentifier;
std::optional<ScriptExecutionContextIdentifier> documentIdentifier;
decoder >> documentIdentifier;
if (!documentIdentifier)
return std::nullopt;
context.documentIdentifier = *documentIdentifier;
auto elementIdentifier = ElementIdentifier::decode(decoder);
if (!elementIdentifier)
return std::nullopt;
context.elementIdentifier = *elementIdentifier;
return context;
}
}
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