gecko-dev/dom/html/HTMLElement.cpp

/* -*- 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 "nsGenericHTMLElement.h"
#include "mozilla/dom/HTMLElementBinding.h"
#include "nsContentUtils.h"

namespace mozilla {
namespace dom {

class HTMLElement final : public nsGenericHTMLElement {
 public:
  explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  virtual ~HTMLElement();

  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;

 protected:
  JSObject* WrapNode(JSContext* aCx,
                     JS::Handle<JSObject*> aGivenProto) override;
};

HTMLElement::HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
    : nsGenericHTMLElement(std::move(aNodeInfo)) {
  if (NodeInfo()->Equals(nsGkAtoms::bdi)) {
    AddStatesSilently(NS_EVENT_STATE_DIR_ATTR_LIKE_AUTO);
  }
}

HTMLElement::~HTMLElement() = default;

NS_IMPL_ELEMENT_CLONE(HTMLElement)

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

}  // namespace dom
}  // namespace mozilla

// Here, we expand 'NS_IMPL_NS_NEW_HTML_ELEMENT()' by hand.
// (Calling the macro directly (with no args) produces compiler warnings.)
nsGenericHTMLElement* NS_NewHTMLElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
    mozilla::dom::FromParser aFromParser) {
  RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
  auto* nim = nodeInfo->NodeInfoManager();
  return new (nim) mozilla::dom::HTMLElement(nodeInfo.forget());
}

// Distinct from the above in order to have function pointer that compared
// unequal to a function pointer to the above.
nsGenericHTMLElement* NS_NewCustomElement(
    already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
    mozilla::dom::FromParser aFromParser) {
  RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
  auto* nim = nodeInfo->NodeInfoManager();
  return new (nim) mozilla::dom::HTMLElement(nodeInfo.forget());
}