forked from mirrors/gecko-dev
		
	Depends on D145746 Differential Revision: https://phabricator.services.mozilla.com/D145747
		
			
				
	
	
		
			95 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			95 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_HTMLLegendElement_h
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#define mozilla_dom_HTMLLegendElement_h
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#include "mozilla/Attributes.h"
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#include "nsGenericHTMLElement.h"
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#include "mozilla/dom/HTMLFormElement.h"
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namespace mozilla::dom {
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class HTMLLegendElement final : public nsGenericHTMLElement {
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 public:
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  explicit HTMLLegendElement(
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      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
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      : nsGenericHTMLElement(std::move(aNodeInfo)) {}
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  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLLegendElement, legend)
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  using nsGenericHTMLElement::Focus;
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  virtual void Focus(const FocusOptions& aOptions,
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                     const mozilla::dom::CallerType aCallerType,
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                     ErrorResult& aError) override;
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  virtual Result<bool, nsresult> PerformAccesskey(
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      bool aKeyCausesActivation, bool aIsTrustedEvent) override;
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  // nsIContent
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  virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
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  virtual void UnbindFromTree(bool aNullParent = true) override;
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  virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
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                              const nsAString& aValue,
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                              nsIPrincipal* aMaybeScriptedPrincipal,
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                              nsAttrValue& aResult) override;
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  virtual nsChangeHint GetAttributeChangeHint(const nsAtom* aAttribute,
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                                              int32_t aModType) const override;
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  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
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  enum class LegendAlignValue : uint8_t {
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    Left,
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    Right,
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    Center,
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    Bottom,
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    Top,
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    InlineStart,
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    InlineEnd,
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  };
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  /**
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   * Return the align value to use for the given fieldset writing-mode.
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   * (This method resolves Left/Right to the appropriate InlineStart/InlineEnd).
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   * @param aCBWM the fieldset writing-mode
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   * @note we only parse left/right/center, so this method returns Center,
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   * InlineStart or InlineEnd.
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   */
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  LegendAlignValue LogicalAlign(mozilla::WritingMode aCBWM) const;
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  /**
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   * WebIDL Interface
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   */
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  HTMLFormElement* GetForm() const;
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  void GetAlign(DOMString& aAlign) { GetHTMLAttr(nsGkAtoms::align, aAlign); }
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  void SetAlign(const nsAString& aAlign, ErrorResult& aError) {
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    SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
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  }
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  nsINode* GetScopeChainParent() const override {
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    Element* form = GetForm();
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    return form ? form : nsGenericHTMLElement::GetScopeChainParent();
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  }
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 protected:
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  virtual ~HTMLLegendElement();
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  virtual JSObject* WrapNode(JSContext* aCx,
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                             JS::Handle<JSObject*> aGivenProto) override;
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  /**
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   * Get the fieldset content element that contains this legend.
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   * Returns null if there is no fieldset containing this legend.
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   */
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  nsIContent* GetFieldSet() const;
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};
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}  // namespace mozilla::dom
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#endif /* mozilla_dom_HTMLLegendElement_h */
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