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nsXFormsFormControlsAccessible.h

/* -*- 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
 * Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Alexander Surkov <surkov.alexander@gmail.com> (original author)
 *
 * 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"),
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 * the provisions above, a recipient may use your version of this file under
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 * ***** END LICENSE BLOCK ***** */

#ifndef _nsXFormsFormControlsAccessible_H_
#define _nsXFormsFormControlsAccessible_H_

#include "nsXFormsAccessible.h"

/**
 * Accessible object for xforms:label.
 */

00048 class nsXFormsLabelAccessible : public nsXFormsAccessible
{
public:
  nsXFormsLabelAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetName(nsAString& aName);
  NS_IMETHOD GetDescription(nsAString& aDescription);
};

/**
 * Accessible object for xforms:output.
 */

00062 class nsXFormsOutputAccessible : public nsXFormsAccessible
{
public:
  nsXFormsOutputAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
};

/**
 * Accessible object for xforms:trigger and xforms:submit.
 */

00074 class nsXFormsTriggerAccessible : public nsXFormsAccessible
{
public:
  nsXFormsTriggerAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetValue(nsAString& aValue);

  NS_IMETHOD GetNumActions(PRUint8 *aCount);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 aIndex);
};

/**
 * Accessible object for xforms:input and xforms:textarea.
 */

00091 class nsXFormsInputAccessible : public nsXFormsEditableAccessible
{
public:
  nsXFormsInputAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_DECL_ISUPPORTS_INHERITED

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetNumActions(PRUint8 *aCount);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 aIndex);
};

/**
 * Accessible object for xforms:input[type="xsd:boolean"].
 */

00108 class nsXFormsInputBooleanAccessible : public nsXFormsAccessible
{
public:
  nsXFormsInputBooleanAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetNumActions(PRUint8 *aCount);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
  NS_IMETHOD DoAction(PRUint8 aIndex);
};

/**
 * Accessible object for xforms:input[type="xsd:date"].
 */

00124 class nsXFormsInputDateAccessible : public nsXFormsContainerAccessible
{
public:
  nsXFormsInputDateAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
};

/**
 * Accessible object for xforms:secret.
 */

00136 class nsXFormsSecretAccessible : public nsXFormsInputAccessible
{
public:
  nsXFormsSecretAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetValue(nsAString& aValue);
};


/**
 * Accessible object for xforms:range.
 */

00151 class nsXFormsRangeAccessible : public nsXFormsAccessible
{
public:
  nsXFormsRangeAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);

  // nsIAccessibleValue
  NS_IMETHOD GetMaximumValue(double *aMaximumValue);
  NS_IMETHOD GetMinimumValue(double *aMinimumValue);
  NS_IMETHOD GetMinimumIncrement(double *aMinimumIncrement);
  NS_IMETHOD GetCurrentValue(double *aCurrentValue);
};


/**
 * Accessible object for xforms:select and xforms:select1 that are implemented
 * using host document's native widget.
 */

00172 class nsXFormsSelectAccessible : public nsXFormsContainerAccessible
{
public:
  nsXFormsSelectAccessible(nsIDOMNode *aNode, nsIWeakReference *aShell);

  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
};


/**
 * Accessible object for xforms:choices.
 */

00185 class nsXFormsChoicesAccessible : public nsXFormsAccessible
{
public:
  nsXFormsChoicesAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetValue(nsAString& aValue);

  void CacheChildren();
};


/**
 * Accessible object for xforms:select/xforms:select1 of full appearance that
 * may be represented by group of checkboxes or radiogroup.
 */

00202 class nsXFormsSelectFullAccessible : public nsXFormsSelectableAccessible
{
public:
  nsXFormsSelectFullAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);

  void CacheChildren();
};


/**
 * Accessible object for a xforms:item when it is represented by a checkbox.
 * This occurs when the item is contained in a xforms:select with full
 * appearance. Such a xforms:select is represented by a checkgroup.
 */

00219 class nsXFormsItemCheckgroupAccessible : public nsXFormsSelectableItemAccessible
{
public:
  nsXFormsItemCheckgroupAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
};


/**
 * Accessible object for a xforms:item when it is represented by a radiobutton.
 * This occurs when the item is contained in a xforms:select1 with full
 * appearance. Such a xforms:select1 is represented as a radiogroup.
 */

00236 class nsXFormsItemRadiogroupAccessible : public nsXFormsSelectableItemAccessible
{
public:
  nsXFormsItemRadiogroupAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
};


/**
 * Accessible object for xforms:select1 of minimal appearance that is
 * represented by combobox.
 */

00252 class nsXFormsSelectComboboxAccessible : public nsXFormsSelectableAccessible
{
public:
  nsXFormsSelectComboboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);

  // Allows accessible nodes in anonymous content of xforms element by
  // always returning PR_TRUE value.
  NS_IMETHOD GetAllowsAnonChildAccessibles(PRBool *aAllowsAnonChildren);
};


/**
 * Accessible object for xforms:item element when it is represented by a
 * listitem. This occurs when the item is contained in a xforms:select with
 * minimal appearance. Such a xforms:select is represented by a combobox.
 */

00272 class nsXFormsItemComboboxAccessible : public nsXFormsSelectableItemAccessible
{
public:
  nsXFormsItemComboboxAccessible(nsIDOMNode* aNode, nsIWeakReference* aShell);

  NS_IMETHOD GetRole(PRUint32 *aRole);
  NS_IMETHOD GetState(PRUint32 *aState, PRUint32 *aExtraState);
  NS_IMETHOD GetActionName(PRUint8 aIndex, nsAString& aName);
};

#endif


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