/* -*- 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_HTMLLegendElement_h
#define mozilla_dom_HTMLLegendElement_h
#include "mozilla/Attributes.h"
#include "nsGenericHTMLElement.h"
#include "mozilla/dom/HTMLFormElement.h"
namespace mozilla::dom {
class HTMLLegendElement final :
public nsGenericHTMLElement {
public:
explicit HTMLLegendElement(
already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
: nsGenericHTMLElement(std::move(aNodeInfo)) {}
NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLLegendElement, legend)
using nsGenericHTMLElement::Focus;
virtual void Focus(
const FocusOptions& aOptions,
const mozilla::dom::CallerType aCallerType,
ErrorResult& aError) override;
virtual Result<
bool, nsresult> PerformAccesskey(
bool aKeyCausesActivation,
bool aIsTrustedEvent) override;
// nsIContent
virtual nsresult BindToTree(BindContext&, nsINode& aParent) override;
virtual void UnbindFromTree(UnbindContext&) override;
virtual bool ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
const nsAString& aValue,
nsIPrincipal* aMaybeScriptedPrincipal,
nsAttrValue& aResult) override;
virtual nsChangeHint GetAttributeChangeHint(
const nsAtom* aAttribute,
int32_t aModType)
const override;
virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult)
const override;
enum class LegendAlignValue : uint8_t {
Left,
Right,
Center,
Bottom,
Top,
InlineStart,
InlineEnd,
};
/**
* Return the align value to use for the given fieldset writing-mode.
* (This method resolves Left/Right to the appropriate InlineStart/InlineEnd).
* @param aCBWM the fieldset writing-mode
* @note we only parse left/right/center, so this method returns Center,
* InlineStart or InlineEnd.
*/
LegendAlignValue LogicalAlign(mozilla::WritingMode aCBWM)
const;
/**
* WebIDL Interface
*/
HTMLFormElement* GetForm()
const;
void GetAlign(DOMString& aAlign) { GetHTMLAttr(nsGkAtoms::align, aAlign); }
void SetAlign(
const nsAString& aAlign, ErrorResult& aError) {
SetHTMLAttr(nsGkAtoms::align, aAlign, aError);
}
nsINode* GetScopeChainParent()
const override {
Element* form = GetForm();
return form ? form : nsGenericHTMLElement::GetScopeChainParent();
}
protected:
virtual ~HTMLLegendElement();
virtual JSObject* WrapNode(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
/**
* Get the fieldset content element that contains this legend.
* Returns null if there is no fieldset containing this legend.
*/
nsIContent* GetFieldSet()
const;
};
}
// namespace mozilla::dom
#endif /* mozilla_dom_HTMLLegendElement_h */
