dom/html/HTMLLegendElement.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_HTMLLegendElement_h
   8 #define mozilla_dom_HTMLLegendElement_h
   9
  10 #include "mozilla/Attributes.h"
  11 #include "nsGenericHTMLElement.h"
  12 #include "mozilla/dom/HTMLFormElement.h"
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 class HTMLLegendElement final : public nsGenericHTMLElement
  18 {
  19 public:
  20   explicit HTMLLegendElement(already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
  21     : nsGenericHTMLElement(std::move(aNodeInfo))
  22   {
  23   }
  24
  25   NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLLegendElement, legend)
  26
  27   using nsGenericHTMLElement::Focus;
  28   virtual void Focus(ErrorResult& aError) override;
  29
  30   virtual bool PerformAccesskey(bool aKeyCausesActivation,
  31                                 bool aIsTrustedEvent) override;
  32
  33   // nsIContent
  34   virtual nsresult BindToTree(nsIDocument* aDocument,
  35                               nsIContent* aParent,
  36                               nsIContent* aBindingParent) override;
  37   virtual void UnbindFromTree(bool aDeep = true,
  38                               bool aNullParent = true) override;
  39   virtual bool ParseAttribute(int32_t aNamespaceID,
  40                                 nsAtom* aAttribute,
  41                                 const nsAString& aValue,
  42                                 nsIPrincipal* aMaybeScriptedPrincipal,
  43                                 nsAttrValue& aResult) override;
  44   virtual nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
  45                                               int32_t aModType) const override;
  46
  47   virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
  48
  49   Element* GetFormElement() const
  50   {
  51     nsCOMPtr<nsIFormControl> fieldsetControl = do_QueryInterface(GetFieldSet());
  52
  53     return fieldsetControl ? fieldsetControl->GetFormElement() : nullptr;
  54   }
  55
  56   /**
  57    * WebIDL Interface
  58    */
  59
  60   already_AddRefed<HTMLFormElement> GetForm();
  61
  62   void GetAlign(DOMString& aAlign)
  63   {
  64     GetHTMLAttr(nsGkAtoms::align, aAlign);
  65   }
  66
  67   void SetAlign(const nsAString& aAlign, ErrorResult& aError)
  68   {
  69     SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
  70   }
  71
  72   nsINode* GetScopeChainParent() const override
  73   {
  74     Element* form = GetFormElement();
  75     return form ? form : nsGenericHTMLElement::GetScopeChainParent();
  76   }
  77
  78 protected:
  79   virtual ~HTMLLegendElement();
  80
  81   virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
  82
  83   /**
  84    * Get the fieldset content element that contains this legend.
  85    * Returns null if there is no fieldset containing this legend.
  86    */
  87   nsIContent* GetFieldSet() const;
  88 };
  89
  90 } // namespace dom
  91 } // namespace mozilla
  92
  93 #endif /* mozilla_dom_HTMLLegendElement_h */