/* -*- 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: Eric D Vaughan (evaughan@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 _nsHTMLFormControlAccessible_H_
#define _nsHTMLFormControlAccessible_H_

#include "nsFormControlAccessible.h"
#include "nsHyperTextAccessibleWrap.h"

/**
 * Accessible for HTML input@type="checkbox".
 */
class nsHTMLCheckboxAccessible : public nsFormControlAccessible
{

public:
  enum { eAction_Click = 0 };

  nsHTMLCheckboxAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetNumActions(PRUint8 *_retval);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 index);

  // nsAccessible
  virtual nsresult GetRoleInternal(PRUint32 *aRole);
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
};


/**
 * Accessible for HTML input@type="radio" element.
 */
class nsHTMLRadioButtonAccessible : public nsRadioButtonAccessible
{

public:
  nsHTMLRadioButtonAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsAccessible
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
  virtual void GetPositionAndSizeInternal(PRInt32 *aPosInSet,
                                          PRInt32 *aSetSize);
};


/**
 * Accessible for HTML input@type="button", @type="submit", @type="image"
 * elements.
 */
class nsHTMLButtonAccessible : public nsHyperTextAccessibleWrap
{

public:
  enum { eAction_Click = 0 };

  nsHTMLButtonAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetNumActions(PRUint8 *_retval);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 index);

  // nsAccessible
  virtual nsresult GetNameInternal(nsAString& aName);
  virtual nsresult GetRoleInternal(PRUint32 *aRole);
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
};


/**
 * Accessible for HTML button element.
 */
class nsHTML4ButtonAccessible : public nsHyperTextAccessibleWrap
{

public:
  enum { eAction_Click = 0 };

  nsHTML4ButtonAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetNumActions(PRUint8 *_retval);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 index);

  // nsAccessible
  virtual nsresult GetRoleInternal(PRUint32 *aRole);
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
};


/**
 * Accessible for HTML input@type="text" element.
 */
class nsHTMLTextFieldAccessible : public nsHyperTextAccessibleWrap
{

public:
  enum { eAction_Click = 0 };

  nsHTMLTextFieldAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  NS_DECL_ISUPPORTS_INHERITED

  // nsIAccessible
  NS_IMETHOD GetValue(nsAString& _retval); 
  NS_IMETHOD GetNumActions(PRUint8 *_retval);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 index);

  // nsIAccessibleEditableText
  NS_IMETHOD GetAssociatedEditor(nsIEditor **aEditor);

  // nsAccessible
  virtual nsresult GetNameInternal(nsAString& aName);
  virtual nsresult GetRoleInternal(PRUint32 *aRole);
  virtual nsresult GetStateInternal(PRUint32 *aState, PRUint32 *aExtraState);
};


/**
 * Accessible for HTML fieldset element.
 */
class nsHTMLGroupboxAccessible : public nsHyperTextAccessibleWrap
{
public:
  nsHTMLGroupboxAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetRelationByType(PRUint32 aRelationType,
                               nsIAccessibleRelation **aRelation);

  // nsAccessible
  virtual nsresult GetNameInternal(nsAString& aName);
  virtual nsresult GetRoleInternal(PRUint32 *aRole);

protected:
  nsIContent* GetLegend();
};


/**
 * Accessible for HTML legend element.
 */
class nsHTMLLegendAccessible : public nsHyperTextAccessibleWrap
{
public:
  nsHTMLLegendAccessible(nsIContent *aContent, nsIWeakReference *aShell);

  // nsIAccessible
  NS_IMETHOD GetRelationByType(PRUint32 aRelationType,
                               nsIAccessibleRelation **aRelation);

  // nsAccessible
  virtual nsresult GetRoleInternal(PRUint32 *aRole);
};

#endif  
