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jeremybenn |
/* AccessibleHypertext.java -- aids in accessibly rendering hypertext
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Copyright (C) 2000, 2002, 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.accessibility;
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/**
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* Objects which present hyperlinks in a document should implement this
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* interface. Accessibility software can use the implementations of this
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* interface to aid the user in navigating the links.
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*
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* <p>The <code>AccessibleContext.getAccessibleText()</code> method
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* should return an instance of this interface only when it is supported.
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*
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* @author Eric Blake (ebb9@email.byu.edu)
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* @see Accessible
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* @see AccessibleContext
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* @see AccessibleText
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* @see AccessibleContext#getAccessibleText()
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* @since 1.2
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* @status updated to 1.4
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*/
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public interface AccessibleHypertext extends AccessibleText
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{
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/**
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* Returns the number of links in the document, if any exist.
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*
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* @return the number of links, or -1
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*/
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int getLinkCount();
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/**
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* Returns link object denoted by the number <code>i</code> in this
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* document, or null if i is out of bounds.
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*
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* @param i the ith hyperlink of the document
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* @return link object denoted by <code>i</code>
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*/
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AccessibleHyperlink getLink(int i);
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/**
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* Returns the link index for this character index if it resides within
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* one of the hyperlinks of the document. If no association exists at that
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* character, or c is out of bounds, returns -1.
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*
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* @param c the character index
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* @return the link index, or -1
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*/
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int getLinkIndex(int c);
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} // interface AccessibleHypertext
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