1 files changed, 63 insertions, 0 deletions
diff --git a/dom/svg/SVGSwitchElement.h b/dom/svg/SVGSwitchElement.h
new file mode 100644
index 0000000000..1fbf5fd92e
--- /dev/null
+++ b/dom/svg/SVGSwitchElement.h
@@ -0,0 +1,63 @@
+/* -*- 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_SVGSwitchElement_h
+#define mozilla_dom_SVGSwitchElement_h
+
+#include "mozilla/dom/SVGGraphicsElement.h"
+
+class nsSVGSwitchFrame;
+
+nsresult NS_NewSVGSwitchElement(nsIContent **aResult,
+                                already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+namespace mozilla {
+namespace dom {
+
+typedef SVGGraphicsElement SVGSwitchElementBase;
+
+class SVGSwitchElement final : public SVGSwitchElementBase
+{
+  friend class ::nsSVGSwitchFrame;
+protected:
+  friend nsresult (::NS_NewSVGSwitchElement(nsIContent **aResult,
+                                            already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo));
+  explicit SVGSwitchElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
+  ~SVGSwitchElement();
+  virtual JSObject* WrapNode(JSContext *aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+public:
+  nsIContent * GetActiveChild() const
+  { return mActiveChild; }
+  void MaybeInvalidate();
+
+  // interfaces:
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(SVGSwitchElement,
+                                           SVGSwitchElementBase)
+  // nsINode
+  virtual nsresult InsertChildAt(nsIContent* aKid, uint32_t aIndex,
+                                 bool aNotify) override;
+  virtual void RemoveChildAt(uint32_t aIndex, bool aNotify) override;
+
+  // nsIContent
+  NS_IMETHOD_(bool) IsAttributeMapped(const nsIAtom* aAttribute) const override;
+
+  virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, 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 // mozilla_dom_SVGSwitchElement_h