author Emilio Cobos Álvarez <>
Wed, 23 Jan 2019 14:48:42 +0000
changeset 515269 08c85a7f6bccaf072f95d06c82c4e9162a311cad
parent 512431 f0a91d36587266d7454a450c6044d573664fbed5
permissions -rw-r--r--
Bug 1521884 - Use proper case for maxLength attribute in datetimebox widget. r=Gijs In non-HTML documents, getAttribute is not case-insensitive. Differential Revision:

/* -*- 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 */

#ifndef mozilla_dom_HTMLOutputElement_h
#define mozilla_dom_HTMLOutputElement_h

#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "nsStubMutationObserver.h"
#include "nsIConstraintValidation.h"

namespace mozilla {
namespace dom {

class HTMLFormSubmission;

class HTMLOutputElement final : public nsGenericHTMLFormElement,
                                public nsStubMutationObserver,
                                public nsIConstraintValidation {
  using nsIConstraintValidation::GetValidationMessage;

  explicit HTMLOutputElement(
      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
      FromParser aFromParser = NOT_FROM_PARSER);

  // nsISupports

  // nsIFormControl
  NS_IMETHOD Reset() override;
  NS_IMETHOD SubmitNamesValues(HTMLFormSubmission* aFormSubmission) override;

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

  virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
                              const nsAString& aValue,
                              nsIPrincipal* aMaybeScriptedPrincipal,
                              nsAttrValue& aResult) override;

  virtual void DoneAddingChildren(bool aHaveNotified) override;

  EventStates IntrinsicState() const override;

  virtual nsresult BindToTree(Document* aDocument, nsIContent* aParent,
                              nsIContent* aBindingParent) override;

  // This function is called when a callback function from nsIMutationObserver
  // has to be used to update the defaultValue attribute.
  void DescendantsChanged();

  // nsIMutationObserver


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

  // WebIDL
  nsDOMTokenList* HtmlFor();
  // nsGenericHTMLFormElement::GetForm is fine.
  void GetName(nsAString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }

  void SetName(const nsAString& aName, ErrorResult& aRv) {
    SetHTMLAttr(nsGkAtoms::name, aName, aRv);

  void GetType(nsAString& aType) { aType.AssignLiteral("output"); }

  void GetDefaultValue(nsAString& aDefaultValue) {
    aDefaultValue = mDefaultValue;

  void SetDefaultValue(const nsAString& aDefaultValue, ErrorResult& aRv);

  void GetValue(nsAString& aValue);
  void SetValue(const nsAString& aValue, ErrorResult& aRv);

  // nsIConstraintValidation::WillValidate is fine.
  // nsIConstraintValidation::Validity() is fine.
  // nsIConstraintValidation::GetValidationMessage() is fine.
  // nsIConstraintValidation::CheckValidity() is fine.
  void SetCustomValidity(const nsAString& aError);

  virtual ~HTMLOutputElement();

  enum ValueModeFlag { eModeDefault, eModeValue };

  ValueModeFlag mValueModeFlag;
  bool mIsDoneAddingChildren;
  nsString mDefaultValue;
  RefPtr<nsDOMTokenList> mTokenList;

}  // namespace dom
}  // namespace mozilla

#endif  // mozilla_dom_HTMLOutputElement_h