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/* -*- 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 mozilla_dom_CSSPseudoElement_h
#define mozilla_dom_CSSPseudoElement_h
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/RefPtr.h"
#include "nsCSSPseudoElements.h"
#include "nsWrapperCache.h"
namespace mozilla::dom {
class Animation;
class Element;
class UnrestrictedDoubleOrKeyframeAnimationOptions;
class CSSPseudoElement final : public nsWrapperCache {
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(CSSPseudoElement)
NS_DECL_CYCLE_COLLECTION_NATIVE_WRAPPERCACHE_CLASS(CSSPseudoElement)
protected:
virtual ~CSSPseudoElement();
public:
ParentObject GetParentObject() const;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
PseudoStyleType GetType() const { return mPseudoType; }
void GetType(nsString& aRetVal) const {
MOZ_ASSERT(nsCSSPseudoElements::GetPseudoAtom(mPseudoType),
"All pseudo-types allowed by this class should have a"
" corresponding atom");
// Our atoms use one colon and we would like to return two colons syntax
// for the returned pseudo type string, so serialize this to the
// non-deprecated two colon syntax.
aRetVal.Assign(char16_t(':'));
aRetVal.Append(
nsDependentAtomString(nsCSSPseudoElements::GetPseudoAtom(mPseudoType)));
}
dom::Element* Element() const { return mOriginatingElement.get(); }
// Given an element:pseudoType pair, returns the CSSPseudoElement stored as a
// property on |aElement|. If there is no CSSPseudoElement for the specified
// pseudo-type on element, a new CSSPseudoElement will be created and stored
// on the element.
static already_AddRefed<CSSPseudoElement> GetCSSPseudoElement(
dom::Element* aElement, PseudoStyleType aType);
private:
// Only ::before, ::after and ::marker are supported.
CSSPseudoElement(dom::Element* aElement, PseudoStyleType aType);
static nsAtom* GetCSSPseudoElementPropertyAtom(PseudoStyleType aType);
// mOriginatingElement needs to be an owning reference since if script is
// holding on to the pseudo-element, it needs to continue to be able to refer
// to the originating element.
RefPtr<dom::Element> mOriginatingElement;
PseudoStyleType mPseudoType;
};
} // namespace mozilla::dom
#endif // mozilla_dom_CSSPseudoElement_h
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