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AtkSocket.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>AtkSocket: ATK - Accessibility Toolkit</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="ATK - Accessibility Toolkit"> <link rel="up" href="accessibles.html" title="Custom accessible objects"> <link rel="prev" href="AtkPlug.html" title="AtkPlug"> <link rel="next" href="utilities.html" title="Utilities"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#AtkSocket.description" class="shortcut">Description</a></span><span id="nav_hierarchy"> <span class="dim">|</span> <a href="#AtkSocket.object-hierarchy" class="shortcut">Object Hierarchy</a></span><span id="nav_interfaces"> <span class="dim">|</span> <a href="#AtkSocket.implemented-interfaces" class="shortcut">Implemented Interfaces</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="accessibles.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="AtkPlug.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="utilities.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="AtkSocket"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="AtkSocket.top_of_page"></a>AtkSocket</span></h2> <p>AtkSocket — Container for AtkPlug objects from other processes</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="AtkSocket.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <a class="link" href="AtkObject.html" title="AtkObject"><span class="returnvalue">AtkObject</span></a> * </td> <td class="function_name"> <a class="link" href="AtkSocket.html#atk-socket-new" title="atk_socket_new ()">atk_socket_new</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="AtkSocket.html#atk-socket-embed" title="atk_socket_embed ()">atk_socket_embed</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> </td> <td class="function_name"> <a class="link" href="AtkSocket.html#atk-socket-is-occupied" title="atk_socket_is_occupied ()">atk_socket_is_occupied</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="AtkSocket.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody><tr> <td class="datatype_keyword">struct</td> <td class="function_name"><a class="link" href="AtkSocket.html#AtkSocket-struct" title="struct AtkSocket">AtkSocket</a></td> </tr></tbody> </table></div> </div> <div class="refsect1"> <a name="AtkSocket.object-hierarchy"></a><h2>Object Hierarchy</h2> <pre class="screen"> <a href="../gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a> <span class="lineart">╰──</span> <a class="link" href="AtkObject.html" title="AtkObject">AtkObject</a> <span class="lineart">╰──</span> AtkSocket </pre> </div> <div class="refsect1"> <a name="AtkSocket.implemented-interfaces"></a><h2>Implemented Interfaces</h2> <p> AtkSocket implements <a class="link" href="AtkComponent.html" title="AtkComponent">AtkComponent</a>.</p> </div> <div class="refsect1"> <a name="AtkSocket.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <atk/atk.h> </pre> </div> <div class="refsect1"> <a name="AtkSocket.description"></a><h2>Description</h2> <p>Together with <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a>, <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> provides the ability to embed accessibles from one process into another in a fashion that is transparent to assistive technologies. <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> works as the container of <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a>, embedding it using the method <a class="link" href="AtkSocket.html#atk-socket-embed" title="atk_socket_embed ()"><code class="function">atk_socket_embed()</code></a>. Any accessible contained in the <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a> will appear to the assistive technologies as being inside the application that created the <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a>.</p> <p>The communication between a <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> and a <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a> is done by the IPC layer of the accessibility framework, normally implemented by the D-Bus based implementation of AT-SPI (at-spi2). If that is the case, at-spi-atk2 is the responsible to implement the abstract methods <a class="link" href="AtkPlug.html#atk-plug-get-id" title="atk_plug_get_id ()"><code class="function">atk_plug_get_id()</code></a> and <a class="link" href="AtkSocket.html#atk-socket-embed" title="atk_socket_embed ()"><code class="function">atk_socket_embed()</code></a>, so an ATK implementor shouldn't reimplement them. The process that contains the <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a> is responsible to send the ID returned by <code class="function">atk_plug_id()</code> to the process that contains the <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a>, so it could call the method <a class="link" href="AtkSocket.html#atk-socket-embed" title="atk_socket_embed ()"><code class="function">atk_socket_embed()</code></a> in order to embed it.</p> <p>For the same reasons, an implementor doesn't need to implement <a class="link" href="AtkObject.html#atk-object-get-n-accessible-children" title="atk_object_get_n_accessible_children ()"><code class="function">atk_object_get_n_accessible_children()</code></a> and <a class="link" href="AtkObject.html#atk-object-ref-accessible-child" title="atk_object_ref_accessible_child ()"><code class="function">atk_object_ref_accessible_child()</code></a>. All the logic related to those functions will be implemented by the IPC layer.</p> </div> <div class="refsect1"> <a name="AtkSocket.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="atk-socket-new"></a><h3>atk_socket_new ()</h3> <pre class="programlisting"><a class="link" href="AtkObject.html" title="AtkObject"><span class="returnvalue">AtkObject</span></a> * atk_socket_new (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Creates a new <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a>.</p> <div class="refsect3"> <a name="atk-socket-new.returns"></a><h4>Returns</h4> <p>the newly created <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> instance. </p> <p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p> </div> </div> <hr> <div class="refsect2"> <a name="atk-socket-embed"></a><h3>atk_socket_embed ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> atk_socket_embed (<em class="parameter"><code><a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> *obj</code></em>, <em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *plug_id</code></em>);</pre> <p>Embeds the children of an <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a> as the children of the <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a>. The plug may be in the same process or in a different process.</p> <p>The class item used by this function should be filled in by the IPC layer (usually at-spi2-atk). The implementor of the AtkSocket should call this function and pass the id for the plug as returned by <a class="link" href="AtkPlug.html#atk-plug-get-id" title="atk_plug_get_id ()"><code class="function">atk_plug_get_id()</code></a>. It is the responsibility of the application to pass the plug id on to the process implementing the <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> as needed.</p> <div class="refsect3"> <a name="atk-socket-embed.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>obj</p></td> <td class="parameter_description"><p>an <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a></p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>plug_id</p></td> <td class="parameter_description"><p>the ID of an <a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a></p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: 1.30</p> </div> <hr> <div class="refsect2"> <a name="atk-socket-is-occupied"></a><h3>atk_socket_is_occupied ()</h3> <pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a> atk_socket_is_occupied (<em class="parameter"><code><a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a> *obj</code></em>);</pre> <p>Determines whether or not the socket has an embedded plug.</p> <div class="refsect3"> <a name="atk-socket-is-occupied.parameters"></a><h4>Parameters</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="parameters_name"> <col class="parameters_description"> <col width="200px" class="parameters_annotations"> </colgroup> <tbody><tr> <td class="parameter_name"><p>obj</p></td> <td class="parameter_description"><p>an <a class="link" href="AtkSocket.html" title="AtkSocket"><span class="type">AtkSocket</span></a></p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="atk-socket-is-occupied.returns"></a><h4>Returns</h4> <p> TRUE if a plug is embedded in the socket</p> </div> <p class="since">Since: 1.30</p> </div> </div> <div class="refsect1"> <a name="AtkSocket.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="AtkSocket-struct"></a><h3>struct AtkSocket</h3> <pre class="programlisting">struct AtkSocket;</pre> </div> </div> <div class="refsect1"> <a name="AtkSocket.see-also"></a><h2>See Also</h2> <p><a class="link" href="AtkPlug.html" title="AtkPlug"><span class="type">AtkPlug</span></a></p> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>