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-rw-r--r--dom/svg/SVGSwitchElement.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/dom/svg/SVGSwitchElement.h b/dom/svg/SVGSwitchElement.h
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+++ b/dom/svg/SVGSwitchElement.h
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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 DOM_SVG_SVGSWITCHELEMENT_H_
+#define DOM_SVG_SVGSWITCHELEMENT_H_
+
+#include "mozilla/dom/SVGGraphicsElement.h"
+#include "nsCOMPtr.h"
+
+nsresult NS_NewSVGSwitchElement(
+ nsIContent** aResult, already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+namespace mozilla {
+class ErrorResult;
+namespace dom {
+
+using SVGSwitchElementBase = SVGGraphicsElement;
+
+class SVGSwitchElement final : public SVGSwitchElementBase {
+ protected:
+ friend nsresult(::NS_NewSVGSwitchElement(
+ nsIContent** aResult,
+ already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
+ explicit SVGSwitchElement(
+ already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+ ~SVGSwitchElement() = default;
+ JSObject* WrapNode(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ public:
+ NS_IMPL_FROMNODE_WITH_TAG(SVGSwitchElement, kNameSpaceID_SVG, svgSwitch)
+
+ nsIContent* GetActiveChild() const { return mActiveChild; }
+ void MaybeInvalidate();
+
+ // interfaces:
+
+ NS_DECL_ISUPPORTS_INHERITED
+ NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGSwitchElement,
+ SVGSwitchElementBase)
+ // nsINode
+ virtual void InsertChildBefore(nsIContent* aKid, nsIContent* aBeforeThis,
+ bool aNotify, ErrorResult& aRv) override;
+ void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
+
+ // nsIContent
+ nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+ private:
+ void UpdateActiveChild() { mActiveChild = FindActiveChild(); }
+ nsIContent* FindActiveChild() const;
+
+ // only this child will be displayed
+ nsCOMPtr<nsIContent> mActiveChild;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // DOM_SVG_SVGSWITCHELEMENT_H_