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 /*************************************************************************

  *

  *  File Name (AccessibleHypertext.idl)

  * 

  *  IAccessible2 IDL Specification 

  * 

  *  Copyright (c) 2007, 2010 Linux Foundation 

  *  Copyright (c) 2006 IBM Corporation 

  *  Copyright (c) 2000, 2006 Sun Microsystems, Inc. 

  *  All rights reserved. 

  *   

  *   

  *  Redistribution and use in source and binary forms, with or without 

  *  modification, are permitted provided that the following conditions 

  *  are met: 

  *   

  *   1. Redistributions of source code must retain the above copyright 

  *      notice, this list of conditions and the following disclaimer. 

  *   

  *   2. Redistributions in binary form must reproduce the above 

  *      copyright notice, this list of conditions and the following 

  *      disclaimer in the documentation and/or other materials 

  *      provided with the distribution. 

  *

  *   3. Neither the name of the Linux Foundation nor the names of its 

  *      contributors may be used to endorse or promote products 

  *      derived from this software without specific prior written 

  *      permission. 

  *   

  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 

  *  CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 

  *  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 

  *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 

  *  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 

  *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 

  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 

  *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 

  *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 

  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 

  *  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 

  *  EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

  *   

  *  This BSD License conforms to the Open Source Initiative "Simplified 

  *  BSD License" as published at: 

  *  http://www.opensource.org/licenses/bsd-license.php 

  *   

  *  IAccessible2 is a trademark of the Linux Foundation. The IAccessible2 

  *  mark may be used in accordance with the Linux Foundation Trademark 

  *  Policy to indicate compliance with the IAccessible2 specification. 

  * 

  ************************************************************************/ 

 import "objidl.idl";

 import "oaidl.idl";

 import "oleacc.idl";

 import "AccessibleText.idl";

 import "AccessibleHyperlink.idl";

 /** @brief This interface exposes information about hypertext in a document.

  The %IAccessibleHypertext interface is the main interface to expose

   hyperlinks in a document, typically a text document, that are used 

   to reference other documents.  A typical implementation is to implement 

   this interface on the smallest text object such as a paragraph of text.

 */

 [object, uuid(6B4F8BBF-F1F2-418a-B35E-A195BC4103B9)]

 interface IAccessibleHypertext : IAccessibleText

 {

   /** @brief Returns the number of links and link groups contained within this hypertext 

     paragraph.

    @param [out] hyperlinkCount

     The number of links and link groups within this hypertext paragraph.  

     Returns 0 if there is no link.

    @retval S_OK

   */

   [propget] HRESULT nHyperlinks

     (

      [out, retval] long *hyperlinkCount

     );

   /** @brief Returns the specified link.

    The returned IAccessibleHyperlink object encapsulates the hyperlink and 

     provides several kinds of information describing it.

    @param [in] index

     This 0 based index specifies the hyperlink to return.

    @param [out] hyperlink

     If the given index is valid, i.e. lies in the interval from 0 to the number 

     of links minus one, a reference to the specified hyperlink object is returned.  

     If the index is invalid then a NULL pointer is returned.

    @retval S_OK

    @retval E_INVALIDARG if bad [in] passed

   */

   [propget] HRESULT hyperlink

     (

      [in] long index,

      [out, retval] IAccessibleHyperlink **hyperlink

     );

   /** @brief Returns the index of the hyperlink that is associated with this character index.

    This is the case when a link spans the given character index.

    @param [in] charIndex

     A 0 based index of the character for which to return the link index.  If 

 	IAccessibleText is used to represent the text containing the link, then the 

 	character index is only  valid if it is greater than or equal to zero and 

 	lower than the number of characters in the text.

    @param [out] hyperlinkIndex

     Returns the 0 based index of the hyperlink that is associated with this 

 	character index, or -1 if charIndex is not on a link.

    @retval S_OK

    @retval S_FALSE if there is nothing to return, [out] value is -1

    @retval E_INVALIDARG if bad [in] passed

   */

   [propget] HRESULT hyperlinkIndex

     (

      [in] long charIndex,

      [out, retval] long *hyperlinkIndex

     );

 }