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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
#include "nsIAccessibleHyperLink.idl"
/**
* A cross-platform interface that deals with text which contains hyperlinks.
* Each link is an embedded object representing exactly 1 character within
* the hypertext.
*
* Current implementation assumes every embedded object is a link.
*/
[scriptable, builtinclass, uuid(b33684e2-090c-4e1d-a3d9-f4b46f4237b9)]
interface nsIAccessibleHyperText : nsISupports
{
/**
* Return the number of links contained within this hypertext object.
*/
readonly attribute long linkCount;
/**
* Return link accessible at the given index.
*
* @param index [in] 0-based index of the link that is to be retrieved
*
* @return link accessible or null if there is no link at that index
*/
nsIAccessibleHyperLink getLinkAt(in long index);
/**
* Return index of the given link.
*
* @param link [in] link accessible the index is requested for
*
* @return index of the given link or null if there's no link within
* hypertext accessible
*/
long getLinkIndex(in nsIAccessibleHyperLink link);
/*
* Return link index at the given offset within hypertext accessible.
*
* @param offset [in] the 0-based character index
*
* @return 0-based link's index or -1 if no link is present at that
* offset
*/
long getLinkIndexAtOffset(in long offset);
};
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