dom/html/HTMLElement.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "nsGenericHTMLElement.h"
   8 #include "mozilla/dom/HTMLElementBinding.h"
   9 #include "nsContentUtils.h"
  10
  11 namespace mozilla {
  12 namespace dom {
  13
  14 class HTMLElement final : public nsGenericHTMLElement {
  15  public:
  16   explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
  17   virtual ~HTMLElement();
  18
  19   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  20
  21  protected:
  22   JSObject* WrapNode(JSContext* aCx,
  23                      JS::Handle<JSObject*> aGivenProto) override;
  24 };
  25
  26 HTMLElement::HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
  27     : nsGenericHTMLElement(std::move(aNodeInfo)) {
  28   if (NodeInfo()->Equals(nsGkAtoms::bdi)) {
  29     AddStatesSilently(NS_EVENT_STATE_DIR_ATTR_LIKE_AUTO);
  30   }
  31 }
  32
  33 HTMLElement::~HTMLElement() = default;
  34
  35 NS_IMPL_ELEMENT_CLONE(HTMLElement)
  36
  37 JSObject* HTMLElement::WrapNode(JSContext* aCx,
  38                                 JS::Handle<JSObject*> aGivenProto) {
  39   return dom::HTMLElement_Binding::Wrap(aCx, this, aGivenProto);
  40 }
  41
  42 }  // namespace dom
  43 }  // namespace mozilla
  44
  45 // Here, we expand 'NS_IMPL_NS_NEW_HTML_ELEMENT()' by hand.
  46 // (Calling the macro directly (with no args) produces compiler warnings.)
  47 nsGenericHTMLElement* NS_NewHTMLElement(
  48     already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  49     mozilla::dom::FromParser aFromParser) {
  50   RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
  51   auto* nim = nodeInfo->NodeInfoManager();
  52   return new (nim) mozilla::dom::HTMLElement(nodeInfo.forget());
  53 }
  54
  55 // Distinct from the above in order to have function pointer that compared
  56 // unequal to a function pointer to the above.
  57 nsGenericHTMLElement* NS_NewCustomElement(
  58     already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  59     mozilla::dom::FromParser aFromParser) {
  60   RefPtr<mozilla::dom::NodeInfo> nodeInfo(aNodeInfo);
  61   auto* nim = nodeInfo->NodeInfoManager();
  62   return new (nim) mozilla::dom::HTMLElement(nodeInfo.forget());
  63 }