tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

HTMLFieldSetElement.h (4837B)

      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_HTMLFieldSetElement_h
      8 #define mozilla_dom_HTMLFieldSetElement_h
      9 
     10 #include "mozilla/dom/ConstraintValidation.h"
     11 #include "mozilla/dom/ValidityState.h"
     12 #include "nsGenericHTMLElement.h"
     13 
     14 namespace mozilla {
     15 class ErrorResult;
     16 class EventChainPreVisitor;
     17 namespace dom {
     18 class FormData;
     19 
     20 class HTMLFieldSetElement final : public nsGenericHTMLFormControlElement,
     21                                  public ConstraintValidation {
     22 public:
     23  using ConstraintValidation::GetValidationMessage;
     24  using ConstraintValidation::SetCustomValidity;
     25 
     26  explicit HTMLFieldSetElement(
     27      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
     28 
     29  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLFieldSetElement, fieldset)
     30 
     31  // nsISupports
     32  NS_DECL_ISUPPORTS_INHERITED
     33 
     34  // nsINode
     35  nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
     36 
     37  // nsIContent
     38  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
     39  void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
     40                    const nsAttrValue* aValue, const nsAttrValue* aOldValue,
     41                    nsIPrincipal* aSubjectPrincipal, bool aNotify) override;
     42 
     43  void InsertChildBefore(
     44      nsIContent* aChild, nsIContent* aBeforeThis, bool aNotify,
     45      ErrorResult& aRv, nsINode* aOldParent = nullptr,
     46      MutationEffectOnScript aMutationEffectOnScript =
     47          MutationEffectOnScript::DropTrustWorthiness) override;
     48  void RemoveChildNode(
     49      nsIContent* aKid, bool aNotify, const BatchRemovalState* aState,
     50      nsINode* aNewParent = nullptr,
     51      MutationEffectOnScript aMutationEffectOnScript =
     52          MutationEffectOnScript::DropTrustWorthiness) override;
     53 
     54  // nsGenericHTMLElement
     55  bool IsDisabledForEvents(WidgetEvent* aEvent) override;
     56 
     57  // nsIFormControl
     58  NS_IMETHOD Reset() override;
     59  NS_IMETHOD SubmitNamesValues(FormData* aFormData) override { return NS_OK; }
     60 
     61  const nsIContent* GetFirstLegend() const { return mFirstLegend; }
     62 
     63  void AddElement(nsGenericHTMLFormElement* aElement);
     64 
     65  void RemoveElement(nsGenericHTMLFormElement* aElement);
     66 
     67  // nsGenericHTMLFormElement
     68  void UpdateDisabledState(bool aNotify) override;
     69 
     70  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLFieldSetElement,
     71                                           nsGenericHTMLFormControlElement)
     72 
     73  // WebIDL
     74  bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
     75  void SetDisabled(bool aValue, ErrorResult& aRv) {
     76    SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
     77  }
     78 
     79  void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
     80 
     81  void SetName(const nsAString& aValue, ErrorResult& aRv) {
     82    SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
     83  }
     84 
     85  void GetType(nsAString& aType) const;
     86 
     87  nsIHTMLCollection* Elements();
     88 
     89  // XPCOM WillValidate is OK for us
     90 
     91  // XPCOM Validity is OK for us
     92 
     93  // XPCOM GetValidationMessage is OK for us
     94 
     95  // XPCOM CheckValidity is OK for us
     96 
     97  // XPCOM SetCustomValidity is OK for us
     98 
     99  /*
    100   * This method will update the fieldset's validity.  This method has to be
    101   * called by fieldset elements whenever their validity state or status
    102   * regarding constraint validation changes.
    103   *
    104   * @note If an element becomes barred from constraint validation, it has to
    105   * be considered as valid.
    106   *
    107   * @param aElementValidityState the new validity state of the element
    108   */
    109  void UpdateValidity(bool aElementValidityState);
    110 
    111 protected:
    112  virtual ~HTMLFieldSetElement();
    113 
    114  JSObject* WrapNode(JSContext* aCx,
    115                     JS::Handle<JSObject*> aGivenProto) override;
    116 
    117 private:
    118  /**
    119   * Notify all elements (in mElements) that the first legend of the fieldset
    120   * has now changed.
    121   */
    122  void NotifyElementsForFirstLegendChange(bool aNotify);
    123 
    124  // This function is used to generate the nsContentList (listed form elements).
    125  static bool MatchListedElements(Element* aElement, int32_t aNamespaceID,
    126                                  nsAtom* aAtom, void* aData);
    127 
    128  // listed form controls elements.
    129  RefPtr<nsContentList> mElements;
    130 
    131  // List of elements which have this fieldset as first fieldset ancestor.
    132  nsTArray<nsGenericHTMLFormElement*> mDependentElements;
    133 
    134  nsIContent* mFirstLegend;
    135 
    136  /**
    137   * Number of invalid and candidate for constraint validation
    138   * elements in the fieldSet the last time UpdateValidity has been called.
    139   *
    140   * @note Should only be used by UpdateValidity()
    141   */
    142  int32_t mInvalidElementsCount;
    143 };
    144 
    145 }  // namespace dom
    146 }  // namespace mozilla
    147 
    148 #endif /* mozilla_dom_HTMLFieldSetElement_h */