Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_i_p_c_2condvar_2condvarlocal_2src_2userinterface_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 13 Aug 2010 16:47:46 +0100
changeset 14 578be2adaf3e
parent 6 43e37759235e
permissions -rw-r--r--
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582

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<h1>examples/Base/IPC/condvar/condvarlocal/src/userinterface.cpp</h1><a href="_i_p_c_2condvar_2condvarlocal_2src_2userinterface_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span>
<a name="l00004"></a>00004 <span class="comment">// under the terms of &quot;Eclipse Public License v1.0&quot;</span>
<a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span>
<a name="l00006"></a>00006 <span class="comment">// at the URL &quot;http://www.eclipse.org/legal/epl-v10.html&quot;.</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span>
<a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// Contributors:</span>
<a name="l00012"></a>00012 <span class="comment">//</span>
<a name="l00013"></a>00013 <span class="comment">// Description:</span>
<a name="l00014"></a>00014 <span class="comment">// Contains the definition of member functions of the CUserInterface class.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 
<a name="l00023"></a>00023 <span class="preprocessor">#include &quot;<a class="code" href="_i_p_c_2condvar_2condvarlocal_2inc_2userinterface_8h.html">userinterface.h</a>&quot;</span>
<a name="l00024"></a>00024 
<a name="l00032"></a><a class="code" href="class_c_user_interface.html#abc39d0697d4b335dc3567726ea1b2a16">00032</a> <a class="code" href="class_c_user_interface.html">CUserInterface</a>* <a class="code" href="class_c_user_interface.html#acb29c660858994d24137bb413fee4af8">CUserInterface::NewL</a>(CConsoleBase* aConsole,<a class="code" href="class_c_producer.html">CProducer</a>* aProducer)
<a name="l00033"></a>00033         {
<a name="l00034"></a>00034         <a class="code" href="class_c_user_interface.html">CUserInterface</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave)<a class="code" href="class_c_user_interface.html">CUserInterface</a>;
<a name="l00035"></a>00035         <span class="keyword">self</span>-&gt;<a class="code" href="class_c_user_interface.html#aa8a0207b3e2e8fa75dc320249bc55439">Initialize</a>(aConsole,aProducer);
<a name="l00036"></a>00036         <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00037"></a>00037         }
<a name="l00038"></a>00038 
<a name="l00045"></a><a class="code" href="class_c_user_interface.html#a3f4f73849ca681db69f9c5cf546de0c2">00045</a> <span class="keywordtype">void</span> <a class="code" href="class_c_user_interface.html#aa8a0207b3e2e8fa75dc320249bc55439">CUserInterface::Initialize</a>(CConsoleBase* aConsole,<a class="code" href="class_c_producer.html">CProducer</a>* aProducer)
<a name="l00046"></a>00046         {
<a name="l00047"></a>00047         iConsole = aConsole;
<a name="l00048"></a>00048         iProducer = aProducer;
<a name="l00049"></a>00049         CActiveScheduler::Add(<span class="keyword">this</span>);
<a name="l00050"></a>00050         }
<a name="l00051"></a>00051 
<a name="l00055"></a>00055 CUserInterface::CUserInterface():CActive(CActive::EPriorityUserInput)
<a name="l00056"></a>00056         {
<a name="l00057"></a>00057         }
<a name="l00058"></a>00058 
<a name="l00066"></a>00066 <span class="keywordtype">void</span> <a class="code" href="class_c_user_interface.html#a8c143ef7ca363188ea135090f5de77b5">CUserInterface::RunL</a>()
<a name="l00067"></a>00067         {
<a name="l00068"></a>00068         <span class="comment">// Get the key code.</span>
<a name="l00069"></a>00069         TUint8 option = iConsole-&gt;KeyCode();
<a name="l00070"></a>00070         <span class="comment">// Print the selected option.</span>
<a name="l00071"></a>00071         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTextFormat,<span class="stringliteral">&quot;%c\n&quot;</span>);
<a name="l00072"></a>00072         iConsole-&gt;Printf(KTextFormat,option);
<a name="l00073"></a>00073         <span class="keywordflow">switch</span>(option)
<a name="l00074"></a>00074                 {
<a name="l00075"></a>00075                 <span class="keywordflow">case</span> <span class="charliteral">&#39;p&#39;</span>:
<a name="l00076"></a>00076                         {
<a name="l00077"></a>00077                         <span class="comment">// If the user input is &#39;p&#39;, insert tokens into the CUserInterface::iQueue queue.</span>
<a name="l00078"></a>00078                         iProducer-&gt;<a class="code" href="class_c_producer.html#a0d0ebcf368ff02703286cfae62965e8f">Produce</a>();
<a name="l00079"></a>00079                         <a class="code" href="class_c_user_interface.html#a9f9158c56f74b7c8da6c527f346c9952">ReadFunc</a>();
<a name="l00080"></a>00080                         }
<a name="l00081"></a>00081                         <span class="keywordflow">break</span>;
<a name="l00082"></a>00082                 <span class="keywordflow">case</span> <span class="charliteral">&#39;d&#39;</span>:
<a name="l00083"></a>00083                         {
<a name="l00084"></a>00084                         <span class="comment">// If the user input is &#39;d&#39;, display the contents of the CUserInterface::iQueue queue.</span>
<a name="l00085"></a>00085                         iProducer-&gt;<a class="code" href="class_c_producer.html#a18ffcf23a5cb4d45b6e4ed9399b4c026">Display</a>();
<a name="l00086"></a>00086                         <a class="code" href="class_c_user_interface.html#a9f9158c56f74b7c8da6c527f346c9952">ReadFunc</a>();
<a name="l00087"></a>00087                         }
<a name="l00088"></a>00088                         <span class="keywordflow">break</span>;
<a name="l00089"></a>00089                 <span class="keywordflow">default</span>:
<a name="l00090"></a>00090                         {
<a name="l00091"></a>00091                         <span class="comment">// Stop the active scheduler for other user inputs.</span>
<a name="l00092"></a>00092                         CActiveScheduler::Stop();
<a name="l00093"></a>00093                         }
<a name="l00094"></a>00094                 }
<a name="l00095"></a>00095         }
<a name="l00096"></a>00096 
<a name="l00100"></a>00100 <span class="keywordtype">void</span> <a class="code" href="class_c_user_interface.html#a9f9158c56f74b7c8da6c527f346c9952">CUserInterface::ReadFunc</a>()
<a name="l00101"></a>00101         {
<a name="l00102"></a>00102         <span class="comment">// Print the menu.</span>
<a name="l00103"></a>00103         <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtOption,<span class="stringliteral">&quot;***\nMenu:\n[p]roduce a token\n[d]isplay the contents of the queue\nAny other key to stop\n***\n&quot;</span>);
<a name="l00104"></a>00104         iConsole-&gt;Printf(KTxtOption);
<a name="l00105"></a>00105         <span class="comment">// Wait for a key press event.</span>
<a name="l00106"></a>00106         iConsole-&gt;Read(iStatus);
<a name="l00107"></a>00107         SetActive();
<a name="l00108"></a>00108         }
<a name="l00109"></a>00109 
<a name="l00113"></a>00113 <span class="keywordtype">void</span> <a class="code" href="class_c_user_interface.html#ae05bc833da45def9d5f78b766bd36fc4">CUserInterface::DoCancel</a>()
<a name="l00114"></a>00114         {
<a name="l00115"></a>00115         <span class="keywordflow">if</span>(IsActive())
<a name="l00116"></a>00116                 {
<a name="l00117"></a>00117                 <span class="comment">// Cancel any outstanding read requests.</span>
<a name="l00118"></a>00118                 iConsole-&gt;ReadCancel();
<a name="l00119"></a>00119                 }
<a name="l00120"></a>00120         }
<a name="l00121"></a>00121 
<a name="l00125"></a>00125 <a class="code" href="class_c_user_interface.html#ae5fc74a4d70f9a30f027aa56cd3827d2">CUserInterface::~CUserInterface</a>()
<a name="l00126"></a>00126         {
<a name="l00127"></a>00127         <a class="code" href="class_c_user_interface.html#ae05bc833da45def9d5f78b766bd36fc4">DoCancel</a>();
<a name="l00128"></a>00128         }
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