Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/solution_2src_2_active_timer_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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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>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#include "ActiveTimer.h"</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "ActiveTimerNotify.h"</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">// Constructs a CActiveTimer object</span>
<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>& aNotifier)
<a name="l00009"></a>00009 {
<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);
<a name="l00011"></a>00011 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00012"></a>00012 <span class="keyword">self</span>->ConstructL();
<a name="l00013"></a>00013 CleanupStack::Pop();
<a name="l00014"></a>00014 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00015"></a>00015 }
<a name="l00016"></a>00016
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">// C++ Destructor</span>
<a name="l00019"></a>00019 CActiveTimer::~CActiveTimer()
<a name="l00020"></a>00020 {
<a name="l00021"></a>00021 Cancel();
<a name="l00022"></a>00022 iTimer.Close();
<a name="l00023"></a>00023 }
<a name="l00024"></a>00024
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// Initiates the asynchronous timer request and sets the active object</span>
<a name="l00027"></a>00027 <span class="comment">// ready to handle its completion</span>
<a name="l00028"></a>00028 <span class="keywordtype">void</span> CActiveTimer::After(TTimeIntervalMicroSeconds32 anInterval)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 iTimer.After(iStatus, anInterval);
<a name="l00031"></a>00031 SetActive();
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="comment">// Handles the completion of the asynchronous timer request</span>
<a name="l00036"></a>00036 <span class="keywordtype">void</span> CActiveTimer::RunL()
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038 iNotifier.TimerComplete(iStatus.Int());
<a name="l00039"></a>00039 }
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// Handles the cleanup necessary if the </span>
<a name="l00043"></a>00043 <span class="comment">// asynchronous timer request is cancelled</span>
<a name="l00044"></a>00044 <span class="keywordtype">void</span> CActiveTimer::DoCancel()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 iTimer.Cancel();
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">// C++ constructor</span>
<a name="l00051"></a>00051 CActiveTimer::CActiveTimer(<a class="code" href="class_m_active_timer_notify.html">MActiveTimerNotify</a>& aNotifier) :
<a name="l00052"></a>00052 CActive(EPriorityStandard),
<a name="l00053"></a>00053 iNotifier(aNotifier)
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 CActiveScheduler::Add(<span class="keyword">this</span>);
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="comment">// Second-phase constructor</span>
<a name="l00060"></a>00060 <span class="keywordtype">void</span> CActiveTimer::ConstructL()
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 User::LeaveIfError(iTimer.CreateLocal());
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">// End of file</span>
</pre></div></div>
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