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131 lines
4.5 KiB
Plaintext
131 lines
4.5 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bill Haneman (bill.haneman@sun.com)
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* John Gaunt (jgaunt@netscape.com)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIURI;
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interface nsIAccessible;
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/**
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* A cross-platform interface that supports hyperlink-specific properties and
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* methods. Anchors, image maps, xul:labels with class="text-link" implement this interface.
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*/
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[scriptable, uuid(38c60bfa-6040-4bfe-93f2-acd6a909bb60)]
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interface nsIAccessibleHyperLink : nsISupports
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{
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/**
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* Returns the offset of the link within the parent accessible.
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*/
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readonly attribute long startIndex;
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/**
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* Returns the end index of the link within the parent accessible.
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*
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* @note The link itself is represented by one embedded character within the
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* parent text, so the endIndex should be startIndex + 1.
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*/
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readonly attribute long endIndex;
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/**
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* Determines whether the link is valid (e. g. points to a valid URL).
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*
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* @note XXX Currently only used with ARIA links, and the author has to
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* specify that the link is invalid via the aria-invalid="true" attribute.
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* In all other cases, TRUE is returned.
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*/
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readonly attribute boolean valid;
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/**
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* Determines whether the element currently has the focus, e. g. after
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* returning from the destination page.
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*
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* @note ARIA links can only be focused if they have the tabindex
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* attribute set. Also, state_focused should then be set on the accessible
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* for this link.
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*/
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readonly attribute boolean selected;
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/**
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* The numbber of anchors within this Hyperlink. Is normally 1 for anchors.
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* This anchor is, for example, the visible output of the html:a tag.
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* With an Image Map, reflects the actual areas within the map.
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*/
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readonly attribute long anchorCount;
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/**
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* Returns the URI at the given index.
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*
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* @note ARIA hyperlinks do not have an URI to point to, since clicks are
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* processed via JavaScript. Therefore this property does not work on ARIA
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* links.
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*
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* @param index The 0-based index of the URI to be returned.
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*
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* @return the nsIURI object containing the specifications for the URI.
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*/
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nsIURI getURI (in long index);
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/**
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* Returns a reference to the object at the given index.
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*
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* @param index The 0-based index whose object is to be returned.
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*
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* @return the nsIAccessible object at the desired index.
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*/
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nsIAccessible getAnchor (in long index);
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};
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/*
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Assumptions:
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The object associated with object or anchor index
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is an nsIAccessible.
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A URI can be represented by the nsIURI interface
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(or nsIURL interface).
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Note that an object which supports nsIAccessibleHyperlink
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does *not* generally implement nsIAccessible, unlike the
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case of the other nsiAccessible* interfaces in this directory.
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Aaron: would the nsISupports return from
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getObject be queryable for nsIURI and nsIURL directly?
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*/
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