tor-browser

The Tor Browser
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HTMLElement.h (3316B)

      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 #ifndef mozilla_dom_HTMLElement_h
      8 #define mozilla_dom_HTMLElement_h
      9 
     10 #include "nsGenericHTMLElement.h"
     11 
     12 namespace mozilla::dom {
     13 
     14 class HTMLElement final : public nsGenericHTMLFormElement {
     15 public:
     16  explicit HTMLElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
     17                       FromParser aFromParser = NOT_FROM_PARSER);
     18 
     19  // nsISupports
     20  NS_DECL_ISUPPORTS_INHERITED
     21  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLElement,
     22                                           nsGenericHTMLFormElement)
     23 
     24  [[nodiscard]] nsIFormControl* GetAsFormControl() final;
     25  [[nodiscard]] const nsIFormControl* GetAsFormControl() const final;
     26 
     27  // EventTarget
     28  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
     29 
     30  // nsINode
     31  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
     32  nsINode* GetScopeChainParent() const override;
     33 
     34  // nsIContent
     35  nsresult BindToTree(BindContext&, nsINode& aParent) override;
     36  void UnbindFromTree(UnbindContext&) override;
     37  void DoneCreatingElement() override;
     38 
     39  // Element
     40  void SetCustomElementDefinition(
     41      CustomElementDefinition* aDefinition) override;
     42  bool IsLabelable() const override { return IsFormAssociatedElement(); }
     43 
     44  // nsGenericHTMLElement
     45  // https://html.spec.whatwg.org/multipage/custom-elements.html#dom-attachinternals
     46  already_AddRefed<mozilla::dom::ElementInternals> AttachInternals(
     47      ErrorResult& aRv) override;
     48  bool IsDisabledForEvents(WidgetEvent* aEvent) override;
     49 
     50  // nsGenericHTMLFormElement
     51  bool IsFormAssociatedElement() const override;
     52  void AfterClearForm(bool aUnbindOrDelete) override;
     53  void FieldSetDisabledChanged(bool aNotify) override;
     54  void SaveState() override;
     55  void UpdateValidityElementStates(bool aNotify);
     56 
     57  void UpdateFormOwner();
     58 
     59  void MaybeRestoreFormAssociatedCustomElementState();
     60 
     61  void InhibitRestoration(bool aShouldInhibit);
     62 
     63 protected:
     64  virtual ~HTMLElement() = default;
     65 
     66  JSObject* WrapNode(JSContext* aCx,
     67                     JS::Handle<JSObject*> aGivenProto) override;
     68 
     69  // Element
     70  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
     71                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
     72                    nsIPrincipal* aMaybeScriptedPrincipal,
     73                    bool aNotify) override;
     74 
     75  // nsGenericHTMLFormElement
     76  void SetFormInternal(HTMLFormElement* aForm, bool aBindToTree) override;
     77  HTMLFormElement* GetFormInternal() const override;
     78  void SetFieldSetInternal(HTMLFieldSetElement* aFieldset) override;
     79  HTMLFieldSetElement* GetFieldSetInternal() const override;
     80  bool CanBeDisabled() const override;
     81  void UpdateDisabledState(bool aNotify) override;
     82  void UpdateFormOwner(bool aBindToTree, Element* aFormIdElement) override;
     83 
     84  void UpdateBarredFromConstraintValidation();
     85 
     86  ElementInternals* GetElementInternals() const;
     87 
     88  MOZ_CAN_RUN_SCRIPT_BOUNDARY
     89  void RestoreFormAssociatedCustomElementState();
     90 };
     91 
     92 }  // namespace mozilla::dom
     93 
     94 #endif  // mozilla_dom_HTMLElement_h