dom/html/HTMLButtonElement.h

   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_HTMLButtonElement_h
   8 #define mozilla_dom_HTMLButtonElement_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "mozilla/dom/ConstraintValidation.h"
  12 #include "nsGenericHTMLElement.h"
  13
  14 namespace mozilla {
  15 class EventChainPostVisitor;
  16 class EventChainPreVisitor;
  17 namespace dom {
  18 class FormData;
  19
  20 class HTMLButtonElement final : public nsGenericHTMLFormControlElementWithState,
  21                                 public ConstraintValidation {
  22  public:
  23   using ConstraintValidation::GetValidationMessage;
  24
  25   explicit HTMLButtonElement(
  26       already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo,
  27       FromParser aFromParser = NOT_FROM_PARSER);
  28
  29   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(
  30       HTMLButtonElement, nsGenericHTMLFormControlElementWithState)
  31
  32   // nsISupports
  33   NS_DECL_ISUPPORTS_INHERITED
  34
  35   int32_t TabIndexDefault() override;
  36
  37   NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLButtonElement, button)
  38
  39   // Element
  40   bool IsInteractiveHTMLContent() const override { return true; }
  41
  42   // nsGenericHTMLFormElement
  43   void SaveState() override;
  44   bool RestoreState(PresState* aState) override;
  45
  46   // overriden nsIFormControl methods
  47   NS_IMETHOD Reset() override;
  48   NS_IMETHOD SubmitNamesValues(FormData* aFormData) override;
  49
  50   void FieldSetDisabledChanged(bool aNotify) override;
  51
  52   // EventTarget
  53   void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
  54   MOZ_CAN_RUN_SCRIPT_BOUNDARY
  55   nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
  56   void LegacyPreActivationBehavior(EventChainVisitor& aVisitor) override;
  57   MOZ_CAN_RUN_SCRIPT
  58   void ActivationBehavior(EventChainPostVisitor& aVisitor) override;
  59   void LegacyCanceledActivationBehavior(
  60       EventChainPostVisitor& aVisitor) override;
  61
  62   // nsINode
  63   nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  64   JSObject* WrapNode(JSContext*, JS::Handle<JSObject*> aGivenProto) override;
  65
  66   // nsIContent
  67   nsresult BindToTree(BindContext&, nsINode& aParent) override;
  68   void UnbindFromTree(UnbindContext&) override;
  69   void DoneCreatingElement() override;
  70
  71   void UpdateBarredFromConstraintValidation();
  72   void UpdateValidityElementStates(bool aNotify);
  73   /**
  74    * Called when an attribute is about to be changed
  75    */
  76   void BeforeSetAttr(int32_t aNameSpaceID, nsAtom* aName,
  77                      const nsAttrValue* aValue, bool aNotify) override;
  78   /**
  79    * Called when an attribute has just been changed
  80    */
  81   void AfterSetAttr(int32_t aNamespaceID, nsAtom* aName,
  82                     const nsAttrValue* aValue, const nsAttrValue* aOldValue,
  83                     nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
  84   bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
  85                       const nsAString& aValue,
  86                       nsIPrincipal* aMaybeScriptedPrincipal,
  87                       nsAttrValue& aResult) override;
  88
  89   // nsGenericHTMLElement
  90   bool IsHTMLFocusable(bool aWithMouse, bool* aIsFocusable,
  91                        int32_t* aTabIndex) override;
  92   bool IsDisabledForEvents(WidgetEvent* aEvent) override;
  93
  94   // WebIDL
  95   bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
  96   void SetDisabled(bool aDisabled, ErrorResult& aError) {
  97     SetHTMLBoolAttr(nsGkAtoms::disabled, aDisabled, aError);
  98   }
  99   // GetFormAction implemented in superclass
 100   void SetFormAction(const nsAString& aFormAction, ErrorResult& aRv) {
 101     SetHTMLAttr(nsGkAtoms::formaction, aFormAction, aRv);
 102   }
 103   void GetFormEnctype(nsAString& aFormEncType);
 104   void SetFormEnctype(const nsAString& aFormEnctype, ErrorResult& aRv) {
 105     SetHTMLAttr(nsGkAtoms::formenctype, aFormEnctype, aRv);
 106   }
 107   void GetFormMethod(nsAString& aFormMethod);
 108   void SetFormMethod(const nsAString& aFormMethod, ErrorResult& aRv) {
 109     SetHTMLAttr(nsGkAtoms::formmethod, aFormMethod, aRv);
 110   }
 111   bool FormNoValidate() const { return GetBoolAttr(nsGkAtoms::formnovalidate); }
 112   void SetFormNoValidate(bool aFormNoValidate, ErrorResult& aError) {
 113     SetHTMLBoolAttr(nsGkAtoms::formnovalidate, aFormNoValidate, aError);
 114   }
 115   void GetFormTarget(DOMString& aFormTarget) {
 116     GetHTMLAttr(nsGkAtoms::formtarget, aFormTarget);
 117   }
 118   void SetFormTarget(const nsAString& aFormTarget, ErrorResult& aRv) {
 119     SetHTMLAttr(nsGkAtoms::formtarget, aFormTarget, aRv);
 120   }
 121   void GetName(DOMString& aName) { GetHTMLAttr(nsGkAtoms::name, aName); }
 122   void SetName(const nsAString& aName, ErrorResult& aRv) {
 123     SetHTMLAttr(nsGkAtoms::name, aName, aRv);
 124   }
 125   void GetType(nsAString& aType);
 126   void SetType(const nsAString& aType, ErrorResult& aRv) {
 127     SetHTMLAttr(nsGkAtoms::type, aType, aRv);
 128   }
 129   void GetValue(DOMString& aValue) { GetHTMLAttr(nsGkAtoms::value, aValue); }
 130   void SetValue(const nsAString& aValue, ErrorResult& aRv) {
 131     SetHTMLAttr(nsGkAtoms::value, aValue, aRv);
 132   }
 133
 134   // Override SetCustomValidity so we update our state properly when it's called
 135   // via bindings.
 136   void SetCustomValidity(const nsAString& aError);
 137
 138  protected:
 139   virtual ~HTMLButtonElement();
 140
 141   bool mDisabledChanged : 1;
 142   bool mInInternalActivate : 1;
 143   bool mInhibitStateRestoration : 1;
 144 };
 145
 146 }  // namespace dom
 147 }  // namespace mozilla
 148
 149 #endif  // mozilla_dom_HTMLButtonElement_h