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path: root/dom/svg/SVGSymbolElement.cpp
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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/. */

#include "mozilla/dom/SVGSymbolElement.h"
#include "mozilla/dom/SVGSymbolElementBinding.h"

NS_IMPL_NS_NEW_SVG_ELEMENT(Symbol)

namespace mozilla::dom {

JSObject* SVGSymbolElement::WrapNode(JSContext* aCx,
                                     JS::Handle<JSObject*> aGivenProto) {
  return SVGSymbolElement_Binding::Wrap(aCx, this, aGivenProto);
}

//----------------------------------------------------------------------
// nsISupports methods

NS_IMPL_ISUPPORTS_INHERITED(SVGSymbolElement, SVGSymbolElementBase,
                            mozilla::dom::SVGTests)

//----------------------------------------------------------------------
// Implementation

SVGSymbolElement::SVGSymbolElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
    : SVGSymbolElementBase(std::move(aNodeInfo)) {}

Focusable SVGSymbolElement::IsFocusableWithoutStyle(bool aWithMouse) {
  if (!CouldBeRendered()) {
    return {};
  }
  return SVGSymbolElementBase::IsFocusableWithoutStyle(aWithMouse);
}

bool SVGSymbolElement::CouldBeRendered() const {
  // Only <symbol> elements in the root of a <svg:use> shadow tree are
  // displayed.
  auto* shadowRoot = ShadowRoot::FromNodeOrNull(GetParentNode());
  return shadowRoot && shadowRoot->Host()->IsSVGElement(nsGkAtoms::use);
}

//----------------------------------------------------------------------
// nsINode methods

NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGSymbolElement)

}  // namespace mozilla::dom