<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>at-spi-idl: Accessibility::Hyperlink Interface Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.1 --> <div class="navigation" id="top"> <div class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul> </div> <div class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Data Fields</span></a></li> </ul> </div> <div class="navpath"> <ul> <li><a class="el" href="namespaceAccessibility.html">Accessibility</a> </li> <li><a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Accessibility::Hyperlink</a> </li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-methods">Public Member Functions</a> | <a href="#pub-attribs">Data Fields</a> </div> <div class="headertitle"> <h1>Accessibility::Hyperlink Interface Reference</h1> </div> </div> <div class="contents"> <!-- doxytag: class="Accessibility::Hyperlink" --> <p><code>import "<a class="el" href="Accessibility__Hyperlink_8idl_source.html">Accessibility_Hyperlink.idl</a>";</code></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="interfaceAccessibility_1_1Accessible.html">Accessible</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a70527ab0419688742321b9202089385b">getObject</a> (in long i)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">string </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a68d393ecf0f993b57613b4ef7f33e413">getURI</a> (in long i)</td></tr> <tr><td class="memItemLeft" align="right" valign="top">boolean </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#ad343fa13fb7aa3e63f29b2dfbda04acb">isValid</a> ()</td></tr> <tr><td colspan="2"><h2><a name="pub-attribs"></a> Data Fields</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">readonly attribute short </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a310204407b769c9deddf5cccd65c5e0b">nAnchors</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">readonly attribute long </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a8f26e50dd42ca0939de07ded7bc23f0d">startIndex</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">readonly attribute long </td><td class="memItemRight" valign="bottom"><a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a2909042757ca789fd497546df8aacd84">endIndex</a></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p>Instances of <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> are returned by <a class="el" href="interfaceAccessibility_1_1Hypertext.html">Hypertext</a> objects, and are the means by which end users and clients interact with linked, and in some cases embedded, content. Hyperlinks may have multiple "anchors", where an anchor corresponds to a reference to a particular resource with a corresponding resource identified (URI). Hyperlinks may be queried for their URIs, or queried for the objects corresponding to their anchors. The objects thus obtained are instances of <a class="el" href="interfaceAccessibility_1_1Accessible.html">Accessible</a>, and may be queried, and manipulated via the <a class="el" href="interfaceAccessibility_1_1Action.html">Action</a> interface.</p> <dl class="note"><dt><b>Note:</b></dt><dd>A <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> implementor is normally NOT an <a class="el" href="interfaceAccessibility_1_1Accessible.html">Accessible</a>; the preferred usage is for a Hyperlink's associated "objects" (accessed via the getObject method) are Accessibles. This means that Actions such as "open link" are normally invoked on the result of <a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a70527ab0419688742321b9202089385b">Hyperlink::getObject</a> rather than directly on the <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> instance. For historical reasons some implementors of <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> implement <a class="el" href="interfaceAccessibility_1_1Action.html">Action</a> as well. This usage on the part of implementing applications and toolkits is discouraged, but clients of <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> should be aware of it and prepared to handle such usage. </dd></dl> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a70527ab0419688742321b9202089385b"></a><!-- doxytag: member="Accessibility::Hyperlink::getObject" ref="a70527ab0419688742321b9202089385b" args="(in long i)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="interfaceAccessibility_1_1Accessible.html">Accessible</a> Accessibility::Hyperlink::getObject </td> <td>(</td> <td class="paramtype">in long </td> <td class="paramname"> <em>i</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Gets the i'th object, (where i is an integer between 0 and Hyperlink::numAnchors - 1, inclusive) associated with a <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a>. The objects returned are usually actionable (i.e. they should implement <a class="el" href="interfaceAccessibility_1_1Action.html">Accessibility::Action</a>), and the available actions often include "open", "bookmark", "save link as", etc. They may also implement <a class="el" href="interfaceAccessibility_1_1StreamableContent.html">Accessibility::StreamableContent</a>, although clients can normally use getURI to obtain a resource locator via which the object's data may be accessed.</p> <dl class="note"><dt><b>Note:</b></dt><dd>the most common application for 'multi anchor' hyperlinks in HTML is probably "client side imagemaps". A clickable image which uses the HTML 'usemap' attribute should have one anchor for every <area> element that includes an HREF. The objects corresponding to these map areas may implement <a class="el" href="interfaceAccessibility_1_1Component.html">Accessibility::Component</a>, to represent their onscreen bounding box, and may expose their 'shape' as as name-value pair via Accessibility::Accessible::getAttributeSet.</dd></dl> <dl class="return"><dt><b>Returns:</b></dt><dd>an <a class="el" href="interfaceAccessibility_1_1Accessible.html">Accessible</a> object instance representing the Hyperlink's ith anchor, or through which the content associated with the <code>ith</code> anchor can be accessed. </dd></dl> </div> </div> <a class="anchor" id="a68d393ecf0f993b57613b4ef7f33e413"></a><!-- doxytag: member="Accessibility::Hyperlink::getURI" ref="a68d393ecf0f993b57613b4ef7f33e413" args="(in long i)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">string Accessibility::Hyperlink::getURI </td> <td>(</td> <td class="paramtype">in long </td> <td class="paramname"> <em>i</em></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Obtain a resource locator ('URI') which can be used to access the content to which this link "points" or is connected. </p> <dl class="return"><dt><b>Returns:</b></dt><dd>a string corresponding to the URI of the Hyperlink's 'ith' anchor, if one exists, or a NIL string otherwise. </dd></dl> </div> </div> <a class="anchor" id="ad343fa13fb7aa3e63f29b2dfbda04acb"></a><!-- doxytag: member="Accessibility::Hyperlink::isValid" ref="ad343fa13fb7aa3e63f29b2dfbda04acb" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">boolean Accessibility::Hyperlink::isValid </td> <td>(</td> <td class="paramname"></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <p>Check the hyperlink to see if a connection to its backing content can be established, or if its URI is valid. </p> <dl class="note"><dt><b>Note:</b></dt><dd>instances of invalid hyperlinks include links with malformed URIs, or for which a contact to the service provider specified in the URI cannot be established. </dd></dl> <dl class="return"><dt><b>Returns:</b></dt><dd><code>True</code> if the object's content is available, or <code>False</code> if the hyperlink's URI is invalid, or a connection to the resource can not be established. </dd></dl> </div> </div> <hr/><h2>Field Documentation</h2> <a class="anchor" id="a2909042757ca789fd497546df8aacd84"></a><!-- doxytag: member="Accessibility::Hyperlink::endIndex" ref="a2909042757ca789fd497546df8aacd84" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">readonly attribute long <a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a2909042757ca789fd497546df8aacd84">Accessibility::Hyperlink::endIndex</a></td> </tr> </table> </div> <div class="memdoc"> <p>the ending offset within the containing <a class="el" href="interfaceAccessibility_1_1Hypertext.html">Hypertext</a> content with which this <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> is associated; that is, the offset of the first element past the range within the <a class="el" href="interfaceAccessibility_1_1Hypertext.html">Hypertext</a> associated with this <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a>. </p> </div> </div> <a class="anchor" id="a310204407b769c9deddf5cccd65c5e0b"></a><!-- doxytag: member="Accessibility::Hyperlink::nAnchors" ref="a310204407b769c9deddf5cccd65c5e0b" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">readonly attribute short <a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a310204407b769c9deddf5cccd65c5e0b">Accessibility::Hyperlink::nAnchors</a></td> </tr> </table> </div> <div class="memdoc"> <p>the number of separate anchors associated with this <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> </p> </div> </div> <a class="anchor" id="a8f26e50dd42ca0939de07ded7bc23f0d"></a><!-- doxytag: member="Accessibility::Hyperlink::startIndex" ref="a8f26e50dd42ca0939de07ded7bc23f0d" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">readonly attribute long <a class="el" href="interfaceAccessibility_1_1Hyperlink.html#a8f26e50dd42ca0939de07ded7bc23f0d">Accessibility::Hyperlink::startIndex</a></td> </tr> </table> </div> <div class="memdoc"> <p>the starting offset within the containing <a class="el" href="interfaceAccessibility_1_1Hypertext.html">Hypertext</a> content with which this <a class="el" href="interfaceAccessibility_1_1Hyperlink.html">Hyperlink</a> is associated </p> </div> </div> <hr/>The documentation for this interface was generated from the following file:<ul> <li>/home/liyuan/src/at-spi/idl/<a class="el" href="Accessibility__Hyperlink_8idl_source.html">Accessibility_Hyperlink.idl</a></li> </ul> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon Sep 27 2010 16:50:43 for at-spi-idl by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.1 </small></address> </body> </html>