1 files changed, 141 insertions, 0 deletions
diff --git a/dom/html/HTMLFieldSetElement.h b/dom/html/HTMLFieldSetElement.h
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+++ b/dom/html/HTMLFieldSetElement.h
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+/* -*- 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_HTMLFieldSetElement_h
+#define mozilla_dom_HTMLFieldSetElement_h
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/ConstraintValidation.h"
+#include "mozilla/dom/ValidityState.h"
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla {
+class ErrorResult;
+class EventChainPreVisitor;
+namespace dom {
+class FormData;
+
+class HTMLFieldSetElement final : public nsGenericHTMLFormControlElement,
+                                  public ConstraintValidation {
+ public:
+  using ConstraintValidation::GetValidationMessage;
+  using ConstraintValidation::SetCustomValidity;
+
+  explicit HTMLFieldSetElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo);
+
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLFieldSetElement, fieldset)
+
+  // nsISupports
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIContent
+  void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
+  virtual void AfterSetAttr(int32_t aNameSpaceID, nsAtom* aName,
+                            const nsAttrValue* aValue,
+                            const nsAttrValue* aOldValue,
+                            nsIPrincipal* aSubjectPrincipal,
+                            bool aNotify) override;
+
+  virtual void InsertChildBefore(nsIContent* aChild, nsIContent* aBeforeThis,
+                                 bool aNotify, ErrorResult& aRv) override;
+  virtual void RemoveChildNode(nsIContent* aKid, bool aNotify) override;
+
+  // nsGenericHTMLElement
+  virtual bool IsDisabledForEvents(WidgetEvent* aEvent) override;
+
+  // nsIFormControl
+  NS_IMETHOD Reset() override;
+  NS_IMETHOD SubmitNamesValues(FormData* aFormData) override { return NS_OK; }
+  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  const nsIContent* GetFirstLegend() const { return mFirstLegend; }
+
+  void AddElement(nsGenericHTMLFormElement* aElement);
+
+  void RemoveElement(nsGenericHTMLFormElement* aElement);
+
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(HTMLFieldSetElement,
+                                           nsGenericHTMLFormControlElement)
+
+  // WebIDL
+  bool Disabled() const { return GetBoolAttr(nsGkAtoms::disabled); }
+  void SetDisabled(bool aValue, ErrorResult& aRv) {
+    SetHTMLBoolAttr(nsGkAtoms::disabled, aValue, aRv);
+  }
+
+  void GetName(nsAString& aValue) { GetHTMLAttr(nsGkAtoms::name, aValue); }
+
+  void SetName(const nsAString& aValue, ErrorResult& aRv) {
+    SetHTMLAttr(nsGkAtoms::name, aValue, aRv);
+  }
+
+  void GetType(nsAString& aType) const;
+
+  nsIHTMLCollection* Elements();
+
+  // XPCOM WillValidate is OK for us
+
+  // XPCOM Validity is OK for us
+
+  // XPCOM GetValidationMessage is OK for us
+
+  // XPCOM CheckValidity is OK for us
+
+  // XPCOM SetCustomValidity is OK for us
+
+  virtual ElementState IntrinsicState() const override;
+
+  /*
+   * This method will update the fieldset's validity.  This method has to be
+   * called by fieldset elements whenever their validity state or status
+   * regarding constraint validation changes.
+   *
+   * @note If an element becomes barred from constraint validation, it has to
+   * be considered as valid.
+   *
+   * @param aElementValidityState the new validity state of the element
+   */
+  void UpdateValidity(bool aElementValidityState);
+
+ protected:
+  virtual ~HTMLFieldSetElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+
+ private:
+  /**
+   * Notify all elements (in mElements) that the first legend of the fieldset
+   * has now changed.
+   */
+  void NotifyElementsForFirstLegendChange(bool aNotify);
+
+  // This function is used to generate the nsContentList (listed form elements).
+  static bool MatchListedElements(Element* aElement, int32_t aNamespaceID,
+                                  nsAtom* aAtom, void* aData);
+
+  // listed form controls elements.
+  RefPtr<nsContentList> mElements;
+
+  // List of elements which have this fieldset as first fieldset ancestor.
+  nsTArray<nsGenericHTMLFormElement*> mDependentElements;
+
+  nsIContent* mFirstLegend;
+
+  /**
+   * Number of invalid and candidate for constraint validation
+   * elements in the fieldSet the last time UpdateValidity has been called.
+   *
+   * @note Should only be used by UpdateValidity() and IntrinsicState()!
+   */
+  int32_t mInvalidElementsCount;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /* mozilla_dom_HTMLFieldSetElement_h */