accessible/src/html/nsHTMLImageAccessible.h
author hg@mozilla.com
Thu, 22 Mar 2007 10:30:00 -0700
changeset 1 9b2a99adc05e53cd4010de512f50118594756650
child 262 3ac8184e6eaf19f0adecdb90015a7494c216e92f
permissions -rw-r--r--
Free the (distributed) Lizard! Automatic merge from CVS: Module mozilla: tag HG_REPO_INITIAL_IMPORT at 22 Mar 2007 10:30 PDT,

/* -*- 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
 * http://www.mozilla.org/MPL/
 *
 * 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.org 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):
 *   Author: Aaron Leventhal (aaronl@netscape.com)
 *
 * 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 ***** */

#ifndef _nsHTMLImageAccessible_H_
#define _nsHTMLImageAccessible_H_

#include "nsBaseWidgetAccessible.h"
#include "nsIDOMHTMLMapElement.h"
#include "nsIAccessibleImage.h"

/* Accessible for supporting images
 * supports:
 * - gets name, role
 * - support basic state
 */
class nsHTMLImageAccessible : public nsLinkableAccessible,
                              public nsIAccessibleImage
{

  NS_DECL_ISUPPORTS_INHERITED

public:
  //action0 may exist depends on whether an onclick is associated with it
  enum { eAction_ShowLongDescription = 1 };

  nsHTMLImageAccessible(nsIDOMNode* aDomNode, nsIWeakReference* aShell);

  NS_IMETHOD GetName(nsAString& _retval); 
  NS_IMETHOD GetState(PRUint32 *_retval); 
  NS_IMETHOD GetRole(PRUint32 *_retval);
  NS_IMETHOD DoAction(PRUint8 index);

  NS_IMETHOD GetImageBounds(PRInt32 *x, PRInt32 *y, PRInt32 *width, PRInt32 *height);

protected:
  virtual void CacheChildren();
  already_AddRefed<nsIAccessible> CreateAreaAccessible(PRInt32 areaNum);
  nsCOMPtr<nsIDOMHTMLMapElement> mMapElement;
};

#endif