HTMLButtonElement.h

Enable keyboard shortcuts

/* -*- 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/. */

#ifndef mozilla_dom_HTMLButtonElement_h

#define mozilla_dom_HTMLButtonElement_h

#include "mozilla/Attributes.h"

#include "mozilla/dom/ConstraintValidation.h"

#include "nsGenericHTMLElement.h"

namespace mozilla {

class EventChainPostVisitor;

class EventChainPreVisitor;

namespace dom {

class FormData;

class HTMLButtonElement final : public nsGenericHTMLFormControlElementWithState,

                                public ConstraintValidation {

 public:

  using ConstraintValidation::GetValidationMessage;

  explicit HTMLButtonElement(

      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,

      FromParser aFromParser = NOT_FROM_PARSER);

  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(

      HTMLButtonElement, nsGenericHTMLFormControlElementWithState)

  // nsISupports

  NS_DECL_ISUPPORTS_INHERITED

  int32_t TabIndexDefault() override;

  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLButtonElement, button)

  // Element

  bool IsInteractiveHTMLContent() const override { return true; }

  // nsGenericHTMLFormElement

  void SaveState() override;

  bool RestoreState(PresState* aState) override;

  // overriden nsIFormControl methods

  NS_IMETHOD Reset() override;

  NS_IMETHOD SubmitNamesValues(FormData* aFormData) override;

  void FieldSetDisabledChanged(bool aNotify) override;

  // EventTarget

  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;

  MOZ_CAN_RUN_SCRIPT_BOUNDARY

  nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;

  void LegacyPreActivationBehavior(EventChainVisitor& aVisitor) override;

  MOZ_CAN_RUN_SCRIPT

  void ActivationBehavior(EventChainPostVisitor& aVisitor) override;

  void LegacyCanceledActivationBehavior(

      EventChainPostVisitor& aVisitor) override;

  // nsINode

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

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

  // nsIContent

  nsresult BindToTree(BindContext&, nsINode& aParent) override;

  void UnbindFromTree(UnbindContext&) override;

  void DoneCreatingElement() override;

  void UpdateBarredFromConstraintValidation();

  void UpdateValidityElementStates(bool aNotify);

/**

   * Called when an attribute is about to be changed

*/

  void BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,

                     const nsAttrValue* aValue, bool aNotify) override;

/**

   * Called when an attribute has just been changed

*/

  void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,

                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,

                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;

  bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,

                      const nsAString& aValue,

                      nsIPrincipal* aMaybeScriptedPrincipal,

                      nsAttrValue& aResult) override;

  // nsGenericHTMLElement

  bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,

                       int32_t* aTabIndex) override;

  bool IsDisabledForEvents(WidgetEvent* aEvent) override;

  // WebIDL

  bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }

  void SetDisabled(bool aDisabled, ErrorResult& aError) {

    SetHTMLBoolAttr(nsGkAtoms::disabled, aDisabled, aError);

  // GetFormAction implemented in superclass

  void SetFormAction(const nsAString& aFormAction, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::formaction, aFormAction, aRv);

  void GetFormEnctype(nsAString& aFormEncType);

  void SetFormEnctype(const nsAString& aFormEnctype, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::formenctype, aFormEnctype, aRv);

  void GetFormMethod(nsAString& aFormMethod);

  void SetFormMethod(const nsAString& aFormMethod, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::formmethod, aFormMethod, aRv);

  bool FormNoValidate() const { return GetBoolAttr(nsGkAtoms::formnovalidate); }

  void SetFormNoValidate(bool aFormNoValidate, ErrorResult& aError) {

    SetHTMLBoolAttr(nsGkAtoms::formnovalidate, aFormNoValidate, aError);

  void GetFormTarget(DOMString& aFormTarget) {

    GetHTMLAttr(nsGkAtoms::formtarget, aFormTarget);

  void SetFormTarget(const nsAString& aFormTarget, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::formtarget, aFormTarget, aRv);

  void GetName(DOMString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }

  void SetName(const nsAString& aName, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::name, aName, aRv);

  void GetType(nsAString& aType);

  void SetType(const nsAString& aType, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::type, aType, aRv);

  void GetValue(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::value, aValue); }

  void SetValue(const nsAString& aValue, ErrorResult& aRv) {

    SetHTMLAttr(nsGkAtoms::value, aValue, aRv);

  // Override SetCustomValidity so we update our state properly when it's called

  // via bindings.

  void SetCustomValidity(const nsAString& aError);

 protected:

  virtual ~HTMLButtonElement();

  bool mDisabledChanged : 1;

  bool mInInternalActivate : 1;

  bool mInhibitStateRestoration : 1;

};

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_HTMLButtonElement_h