зеркало из https://github.com/mozilla/gecko-dev.git
67 строки
2.1 KiB
C++
67 строки
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_SVGSwitchElement_h
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#define mozilla_dom_SVGSwitchElement_h
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#include "mozilla/dom/SVGGraphicsElement.h"
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#include "nsCOMPtr.h"
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class nsSVGSwitchFrame;
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nsresult NS_NewSVGSwitchElement(
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nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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namespace mozilla {
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namespace dom {
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typedef SVGGraphicsElement SVGSwitchElementBase;
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class SVGSwitchElement final : public SVGSwitchElementBase {
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friend class ::nsSVGSwitchFrame;
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protected:
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friend nsresult(::NS_NewSVGSwitchElement(
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nsIContent** aResult,
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
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explicit SVGSwitchElement(
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already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
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~SVGSwitchElement() = default;
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virtual JSObject* WrapNode(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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public:
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nsIContent* GetActiveChild() const { return mActiveChild; }
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void MaybeInvalidate();
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// interfaces:
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGSwitchElement,
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SVGSwitchElementBase)
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// nsINode
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virtual nsresult InsertChildBefore(nsIContent* aKid, nsIContent* aBeforeThis,
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bool aNotify) override;
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virtual void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
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// nsIContent
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NS_IMETHOD_(bool) IsAttributeMapped(const nsAtom* aAttribute) const override;
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virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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private:
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void UpdateActiveChild() { mActiveChild = FindActiveChild(); }
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nsIContent* FindActiveChild() const;
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// only this child will be displayed
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nsCOMPtr<nsIContent> mActiveChild;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_SVGSwitchElement_h
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