gecko-dev/dom/base/GeneratedImageContent.h

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1.8 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef dom_base_GeneratedImageContent_h
#define dom_base_GeneratedImageContent_h
/* A content node that keeps track of an index in the parent's `content`
* property value, used for url() values in the content of a ::before or ::after
* pseudo-element. */
#include "mozilla/dom/HTMLElementBinding.h"
#include "mozilla/dom/NameSpaceConstants.h"
#include "mozilla/dom/NodeInfo.h"
#include "nsGenericHTMLElement.h"
namespace mozilla {
namespace dom {
class GeneratedImageContent final : public nsGenericHTMLElement {
public:
static already_AddRefed<GeneratedImageContent> Create(Document&,
uint32_t aContentIndex);
explicit GeneratedImageContent(already_AddRefed<dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {
MOZ_ASSERT(IsInNamespace(kNameSpaceID_XHTML),
"Someone messed up our nodeinfo");
}
nsresult Clone(dom::NodeInfo* aNodeInfo, nsINode** aResult) const final;
nsresult CopyInnerTo(GeneratedImageContent* aDest) {
nsresult rv = nsGenericHTMLElement::CopyInnerTo(aDest);
NS_ENSURE_SUCCESS(rv, rv);
aDest->mIndex = mIndex;
return NS_OK;
}
uint32_t Index() const { return mIndex; }
protected:
JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
private:
virtual ~GeneratedImageContent() = default;
uint32_t mIndex = 0;
};
} // namespace dom
} // namespace mozilla
#endif // dom_base_GeneratedImageContent_h