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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/solution_2src_2_active_timer_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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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/ForumNokia/Symbian_OS_Basics_Lab_Exercises_v3_1/Lab_04309.cb1/solution/src/ActiveTimer.cpp Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/ForumNokia/Symbian_OS_Basics_Lab_Exercises_v3_1/Lab_04309.cb1/solution/src/ActiveTimer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2006 Nokia Corporation.</span>
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<a name="l00002"></a>00002
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<a name="l00003"></a>00003 <span class="preprocessor">#include &quot;ActiveTimer.h&quot;</span>
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<a name="l00004"></a>00004 <span class="preprocessor">#include &quot;ActiveTimerNotify.h&quot;</span>
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<a name="l00005"></a>00005
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<a name="l00006"></a>00006
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<a name="l00007"></a>00007 <span class="comment">// Constructs a CActiveTimer object</span>
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<a name="l00008"></a>00008 <a class="code" href="class_c_active_timer.html">CActiveTimer</a>* CActiveTimer::NewL(<a class="code" href="class_m_active_timer_notify.html">MActiveTimerNotify</a>&amp; aNotifier)
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<a name="l00009"></a>00009     {
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<a name="l00010"></a>00010     <a class="code" href="class_c_active_timer.html">CActiveTimer</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_active_timer.html">CActiveTimer</a>(aNotifier);
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<a name="l00011"></a>00011     CleanupStack::PushL(<span class="keyword">self</span>);
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<a name="l00012"></a>00012     <span class="keyword">self</span>-&gt;ConstructL();
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<a name="l00013"></a>00013     CleanupStack::Pop();
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<a name="l00014"></a>00014     <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00015"></a>00015     }
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<a name="l00016"></a>00016
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<a name="l00017"></a>00017
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<a name="l00018"></a>00018 <span class="comment">// C++ Destructor</span>
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<a name="l00019"></a>00019 CActiveTimer::~CActiveTimer()
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<a name="l00020"></a>00020     {
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<a name="l00021"></a>00021         Cancel();
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<a name="l00022"></a>00022     iTimer.Close();
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<a name="l00023"></a>00023     }
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<a name="l00024"></a>00024
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<a name="l00025"></a>00025
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<a name="l00026"></a>00026 <span class="comment">// Initiates the asynchronous timer request and sets the active object</span>
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<a name="l00027"></a>00027 <span class="comment">// ready to handle its completion</span>
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<a name="l00028"></a>00028 <span class="keywordtype">void</span> CActiveTimer::After(TTimeIntervalMicroSeconds32 anInterval)
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<a name="l00029"></a>00029     {
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<a name="l00030"></a>00030     iTimer.After(iStatus, anInterval);
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<a name="l00031"></a>00031     SetActive();
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<a name="l00032"></a>00032     }
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<a name="l00033"></a>00033
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<a name="l00034"></a>00034
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<a name="l00035"></a>00035 <span class="comment">// Handles the completion of the asynchronous timer request</span>
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<a name="l00036"></a>00036 <span class="keywordtype">void</span> CActiveTimer::RunL()
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<a name="l00037"></a>00037     {
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<a name="l00038"></a>00038     iNotifier.TimerComplete(iStatus.Int());
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<a name="l00039"></a>00039     }
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<a name="l00040"></a>00040
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<a name="l00042"></a>00042 <span class="comment">// Handles the cleanup necessary if the </span>
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<a name="l00043"></a>00043 <span class="comment">// asynchronous timer request is cancelled</span>
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<a name="l00044"></a>00044 <span class="keywordtype">void</span> CActiveTimer::DoCancel()
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<a name="l00045"></a>00045     {
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<a name="l00046"></a>00046     iTimer.Cancel();
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<a name="l00047"></a>00047     }
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<a name="l00048"></a>00048
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050 <span class="comment">// C++ constructor</span>
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<a name="l00051"></a>00051 CActiveTimer::CActiveTimer(<a class="code" href="class_m_active_timer_notify.html">MActiveTimerNotify</a>&amp; aNotifier) :
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<a name="l00052"></a>00052     CActive(EPriorityStandard),
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<a name="l00053"></a>00053     iNotifier(aNotifier)
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<a name="l00054"></a>00054     {
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<a name="l00055"></a>00055     CActiveScheduler::Add(<span class="keyword">this</span>);
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<a name="l00056"></a>00056     }
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059 <span class="comment">// Second-phase constructor</span>
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<a name="l00060"></a>00060 <span class="keywordtype">void</span> CActiveTimer::ConstructL()
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<a name="l00061"></a>00061     {
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<a name="l00062"></a>00062     User::LeaveIfError(iTimer.CreateLocal());
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<a name="l00063"></a>00063     }
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<a name="l00064"></a>00064
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<a name="l00065"></a>00065 <span class="comment">// End of file</span>
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</pre></div></div>
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<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
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</body>
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</html>
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