gecko-dev/dom/svg/SVGStyleElement.h

94 строки
3.4 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_SVG_SVGSTYLEELEMENT_H_
#define DOM_SVG_SVGSTYLEELEMENT_H_
#include "mozilla/Attributes.h"
#include "mozilla/dom/LinkStyle.h"
#include "SVGElement.h"
#include "nsStubMutationObserver.h"
nsresult NS_NewSVGStyleElement(
nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
namespace mozilla {
namespace dom {
using SVGStyleElementBase = SVGElement;
class SVGStyleElement final : public SVGStyleElementBase,
public nsStubMutationObserver,
public LinkStyle {
protected:
friend nsresult(::NS_NewSVGStyleElement(
nsIContent** aResult,
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
explicit SVGStyleElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
~SVGStyleElement() = default;
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGStyleElement, SVGStyleElementBase)
// nsIContent
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(bool aNullParent = true) override;
virtual nsresult AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
const nsAttrValue* aValue,
const nsAttrValue* aOldValue,
nsIPrincipal* aMaybeScriptedPrincipal,
bool aNotify) override;
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
// nsIMutationObserver
NS_DECL_NSIMUTATIONOBSERVER_CHARACTERDATACHANGED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTAPPENDED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTINSERTED
NS_DECL_NSIMUTATIONOBSERVER_CONTENTREMOVED
// WebIDL
void GetMedia(nsAString& aMedia);
void SetMedia(const nsAString& aMedia, ErrorResult& rv);
void GetType(nsAString& aType);
void SetType(const nsAString& aType, ErrorResult& rv);
void GetTitle(nsAString& aTitle);
void SetTitle(const nsAString& aTitle, ErrorResult& rv);
protected:
// Dummy init method to make the NS_IMPL_NS_NEW_SVG_ELEMENT and
// NS_IMPL_ELEMENT_CLONE_WITH_INIT usable with this class. This should be
// completely optimized away.
inline nsresult Init() { return NS_OK; }
// LinkStyle overrides
nsIContent& AsContent() final { return *this; }
const LinkStyle* AsLinkStyle() const final { return this; }
Maybe<SheetInfo> GetStyleSheetInfo() final;
/**
* Common method to call from the various mutation observer methods.
* aContent is a content node that's either the one that changed or its
* parent; we should only respond to the change if aContent is non-anonymous.
*/
void ContentChanged(nsIContent* aContent);
};
} // namespace dom
} // namespace mozilla
#endif // DOM_SVG_SVGSTYLEELEMENT_H_