author David Anderson <>
Mon, 17 Oct 2011 11:52:12 -0700
changeset 79326 f93960a93ad97a56d308bd9ce25d97cbc175d524
parent 78608 8cfeba5239a9e4f20c462d6fb20421b4e4e7c735
parent 79324 ec7577dec4fceef0ac2717416d9c48289402d935
child 79972 97289207e9de085c9243e363a98ea4504e4a083e
permissions -rw-r--r--
Merge from mozilla-central.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is Mozilla Communicator client code.
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

 * Declaration of HTML <label> elements.
#ifndef nsHTMLLabelElement_h
#define nsHTMLLabelElement_h

#include "nsGenericHTMLElement.h"
#include "nsIDOMHTMLLabelElement.h"

class nsHTMLLabelElement : public nsGenericHTMLFormElement,
                           public nsIDOMHTMLLabelElement
  nsHTMLLabelElement(already_AddRefed<nsINodeInfo> aNodeInfo);
  virtual ~nsHTMLLabelElement();

  static nsHTMLLabelElement* FromContent(nsIContent* aPossibleLabel)
    if (aPossibleLabel->IsHTML(nsGkAtoms::label)) {
      return static_cast<nsHTMLLabelElement*>(aPossibleLabel);

    return nsnull;

  // nsISupports

  // nsIDOMNode

  // nsIDOMElement

  // nsIDOMHTMLLabelElement

  // Forward nsIDOMHTMLElement -- We don't override Click()
  NS_IMETHOD Click() { 
    return nsGenericHTMLFormElement::Click(); 
  NS_IMETHOD Focus();

  // nsIFormControl
  NS_IMETHOD_(PRUint32) GetType() const { return NS_FORM_LABEL; }
  NS_IMETHOD Reset();
  NS_IMETHOD SubmitNamesValues(nsFormSubmission* aFormSubmission);

  virtual bool IsDisabled() const { return false; }

  // nsIContent
  virtual nsresult BindToTree(nsIDocument* aDocument, nsIContent* aParent,
                              nsIContent* aBindingParent,
                              bool aCompileEventHandlers);
  virtual void UnbindFromTree(bool aDeep = true,
                              bool aNullParent = true);

  virtual nsresult PostHandleEvent(nsEventChainPostVisitor& aVisitor);

  nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
                   const nsAString& aValue, bool aNotify)
    return SetAttr(aNameSpaceID, aName, nsnull, aValue, aNotify);
  virtual nsresult SetAttr(PRInt32 aNameSpaceID, nsIAtom* aName,
                           nsIAtom* aPrefix, const nsAString& aValue,
                           bool aNotify);
  virtual nsresult UnsetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
                             bool aNotify);
  virtual void PerformAccesskey(bool aKeyCausesActivation,
                                bool aIsTrustedEvent);
  virtual nsresult Clone(nsINodeInfo *aNodeInfo, nsINode **aResult) const;

  virtual nsXPCClassInfo* GetClassInfo();

  mozilla::dom::Element* GetLabeledElement();
  mozilla::dom::Element* GetFirstDescendantFormControl();

  // XXX It would be nice if we could use an event flag instead.
  bool mHandlingEvent;

#endif /* nsHTMLLabelElement_h */