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diff --git a/dom/html/HTMLLegendElement.h b/dom/html/HTMLLegendElement.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_HTMLLegendElement_h
+#define mozilla_dom_HTMLLegendElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+#include "mozilla/dom/HTMLFormElement.h"
+
+namespace mozilla {
+namespace dom {
+
+class HTMLLegendElement final : public nsGenericHTMLElement
+{
+public:
+ explicit HTMLLegendElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
+ : nsGenericHTMLElement(aNodeInfo)
+ {
+ }
+
+ NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLLegendElement, legend)
+
+ using nsGenericHTMLElement::Focus;
+ virtual void Focus(ErrorResult& aError) override;
+
+ virtual bool PerformAccesskey(bool aKeyCausesActivation,
+ bool aIsTrustedEvent) override;
+
+ // nsIContent
+ virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
+ nsIContent* aBindingParent,
+ bool aCompileEventHandlers) override;
+ virtual void UnbindFromTree(bool aDeep = true,
+ bool aNullParent = true) override;
+ virtual bool ParseAttribute(int32_t aNamespaceID,
+ nsIAtom* aAttribute,
+ const nsAString& aValue,
+ nsAttrValue& aResult) override;
+ virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
+ int32_t aModType) const override;
+ nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ const nsAString& aValue, bool aNotify)
+ {
+ return SetAttr(aNameSpaceID, aName, nullptr, aValue, aNotify);
+ }
+ virtual nsresult SetAttr(int32_t aNameSpaceID, nsIAtom* aName,
+ nsIAtom* aPrefix, const nsAString& aValue,
+ bool aNotify) override;
+ virtual nsresult UnsetAttr(int32_t aNameSpaceID, nsIAtom* aAttribute,
+ bool aNotify) override;
+
+ virtual nsresult Clone(mozilla::dom::NodeInfo* aNodeInfo, nsINode** aResult) const override;
+
+ Element* GetFormElement() const
+ {
+ nsCOMPtr<nsIFormControl> fieldsetControl = do_QueryInterface(GetFieldSet());
+
+ return fieldsetControl ? fieldsetControl->GetFormElement() : nullptr;
+ }
+
+ /**
+ * WebIDL Interface
+ */
+
+ already_AddRefed<HTMLFormElement> GetForm();
+
+ 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 = GetFormElement();
+ 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 dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_HTMLLegendElement_h */