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/*
* Copyright (C) 2024 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.
*/
#include "config.h"
#include "AttachmentAssociatedElement.h"
#if ENABLE(ATTACHMENT_ELEMENT)
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "ElementChildIteratorInlines.h"
#include "HTMLAttachmentElement.h"
#include "ShadowRoot.h"
namespace WebCore {
void AttachmentAssociatedElement::setAttachmentElement(Ref<HTMLAttachmentElement>&& attachment)
{
if (auto existingAttachment = attachmentElement())
existingAttachment->remove();
attachment->setInlineStyleProperty(CSSPropertyDisplay, CSSValueNone, IsImportant::Yes);
asHTMLElement().ensureUserAgentShadowRoot().appendChild(WTFMove(attachment));
}
RefPtr<HTMLAttachmentElement> AttachmentAssociatedElement::attachmentElement() const
{
if (RefPtr shadowRoot = asHTMLElement().userAgentShadowRoot())
return childrenOfType<HTMLAttachmentElement>(*shadowRoot).first();
return nullptr;
}
const String& AttachmentAssociatedElement::attachmentIdentifier() const
{
if (!m_pendingClonedAttachmentID.isEmpty())
return m_pendingClonedAttachmentID;
if (auto attachment = attachmentElement())
return attachment->uniqueIdentifier();
return nullAtom();
}
void AttachmentAssociatedElement::didUpdateAttachmentIdentifier()
{
m_pendingClonedAttachmentID = { };
}
void AttachmentAssociatedElement::copyAttachmentAssociatedPropertiesFromElement(const AttachmentAssociatedElement& source)
{
m_pendingClonedAttachmentID = !source.m_pendingClonedAttachmentID.isEmpty() ? source.m_pendingClonedAttachmentID : source.attachmentIdentifier();
}
void AttachmentAssociatedElement::cloneAttachmentAssociatedElementWithoutAttributesAndChildren(AttachmentAssociatedElement& clone, Document& targetDocument)
{
if (auto attachment = attachmentElement()) {
auto attachmentClone = attachment->cloneElementWithoutChildren(targetDocument, nullptr);
clone.setAttachmentElement(downcast<HTMLAttachmentElement>(attachmentClone.get()));
}
}
} // namespace WebCore
#endif // ENABLE(ATTACHMENT_ELEMENT)
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