1 files changed, 73 insertions, 0 deletions
diff --git a/dom/html/HTMLLabelElement.h b/dom/html/HTMLLabelElement.h
new file mode 100644
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+++ b/dom/html/HTMLLabelElement.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/. */
+
+/**
+ * Declaration of HTML <label> elements.
+ */
+#ifndef HTMLLabelElement_h
+#define HTMLLabelElement_h
+
+#include "mozilla/Attributes.h"
+#include "nsGenericHTMLElement.h"
+
+namespace mozilla {
+class EventChainPostVisitor;
+namespace dom {
+
+class HTMLLabelElement final : public nsGenericHTMLElement {
+ public:
+  explicit HTMLLabelElement(
+      already_AddRefed<mozilla::dom::NodeInfo>&& aNodeInfo)
+      : nsGenericHTMLElement(std::move(aNodeInfo)), mHandlingEvent(false) {}
+
+  NS_IMPL_FROMNODE_HTML_WITH_TAG(HTMLLabelElement, label)
+
+  // nsISupports
+  NS_INLINE_DECL_REFCOUNTING_INHERITED(HTMLLabelElement, nsGenericHTMLElement)
+
+  // Element
+  virtual bool IsInteractiveHTMLContent() const override { return true; }
+
+  HTMLFormElement* GetForm() const;
+  void GetHtmlFor(nsString& aHtmlFor) {
+    GetHTMLAttr(nsGkAtoms::_for, aHtmlFor);
+  }
+  void SetHtmlFor(const nsAString& aHtmlFor) {
+    SetHTMLAttr(nsGkAtoms::_for, aHtmlFor);
+  }
+  nsGenericHTMLElement* GetControl() const { return GetLabeledElement(); }
+
+  using nsGenericHTMLElement::Focus;
+  virtual void Focus(const FocusOptions& aOptions,
+                     const mozilla::dom::CallerType aCallerType,
+                     ErrorResult& aError) override;
+
+  // nsIContent
+  MOZ_CAN_RUN_SCRIPT_BOUNDARY
+  virtual nsresult PostHandleEvent(EventChainPostVisitor& aVisitor) override;
+  MOZ_CAN_RUN_SCRIPT
+  virtual Result<bool, nsresult> PerformAccesskey(
+      bool aKeyCausesActivation, bool aIsTrustedEvent) override;
+  virtual nsresult Clone(dom::NodeInfo*, nsINode** aResult) const override;
+
+  nsGenericHTMLElement* GetLabeledElement() const;
+
+ protected:
+  virtual ~HTMLLabelElement();
+
+  virtual JSObject* WrapNode(JSContext* aCx,
+                             JS::Handle<JSObject*> aGivenProto) override;
+
+  nsGenericHTMLElement* GetFirstLabelableDescendant() const;
+
+  // XXX It would be nice if we could use an event flag instead.
+  bool mHandlingEvent;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif /* HTMLLabelElement_h */