Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/bluetoothrefreshtimer_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
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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/ThreadAndActiveObjectsEx/src/bluetoothrefreshtimer.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/ThreadAndActiveObjectsEx/src/bluetoothrefreshtimer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
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<a name="l00003"></a>00003 <span class="comment"> */</span>
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<a name="l00004"></a>00004 
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<a name="l00005"></a>00005 
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<a name="l00006"></a>00006 <span class="comment">// INCLUDES</span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include &lt;e32base.h&gt;</span> 
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<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;aknnotewrappers.h&quot;</span>
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<a name="l00009"></a>00009 <span class="preprocessor">#include &quot;..\inc\BluetoothRefreshTimer.h&quot;</span>
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<a name="l00010"></a>00010 <span class="preprocessor">#include &quot;btdiscoverer.h&quot;</span>
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<a name="l00011"></a>00011 <span class="preprocessor">#include &quot;DeviceListContainer.h&quot;</span>
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<a name="l00012"></a>00012 
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<a name="l00013"></a>00013 <span class="comment">// a second</span>
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<a name="l00014"></a>00014 <span class="keyword">const</span> TInt KThreadSecond = 1000 * 1000;
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<a name="l00015"></a>00015 
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<a name="l00016"></a>00016 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>( refreshDevices, <span class="stringliteral">&quot;refreshing devices...&quot;</span> );
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<a name="l00017"></a>00017 
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<a name="l00018"></a>00018 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00019"></a>00019 <span class="comment">// CBluetoothRefreshTimer::CBluetoothRefreshTimer()</span>
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<a name="l00020"></a>00020 <span class="comment">//</span>
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<a name="l00021"></a>00021 <span class="comment">// Constructor.</span>
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<a name="l00022"></a>00022 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00023"></a>00023 CBluetoothRefreshTimer::CBluetoothRefreshTimer(
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<a name="l00024"></a>00024          <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator,
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<a name="l00025"></a>00025          CActiveSchedulerWait* aWait)
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<a name="l00026"></a>00026              : CTimer(CActive::EPriorityStandard),
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<a name="l00027"></a>00027                iWait(aWait), iSMediator(aSMediator), 
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<a name="l00028"></a>00028            iBTDiscoverer(NULL), iRefreshTime(0), iTime(0)  
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<a name="l00029"></a>00029         {
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<a name="l00030"></a>00030         iSMediator-&gt;SetBTRefreshTimerPtr(<span class="keyword">this</span>);
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<a name="l00031"></a>00031         }
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<a name="l00032"></a>00032 
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<a name="l00033"></a>00033 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00034"></a>00034 <span class="comment">// CBluetoothRefreshTimer::~CBluetoothRefreshTimer()</span>
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<a name="l00035"></a>00035 <span class="comment">//</span>
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<a name="l00036"></a>00036 <span class="comment">// Destructor.</span>
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<a name="l00037"></a>00037 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00038"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#afb7e5ebedb0475a393d24030ce4b91e4">00038</a> <a class="code" href="class_c_bluetooth_refresh_timer.html#afb7e5ebedb0475a393d24030ce4b91e4">CBluetoothRefreshTimer::~CBluetoothRefreshTimer</a>()
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<a name="l00039"></a>00039         {
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<a name="l00040"></a>00040         Cancel();
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<a name="l00041"></a>00041         <span class="keyword">delete</span> iBTDiscoverer;
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<a name="l00042"></a>00042         }
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<a name="l00043"></a>00043 
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<a name="l00044"></a>00044 
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<a name="l00045"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a122b128888ef9a86b0a4710c1459b3e2">00045</a> <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* <a class="code" href="class_c_bluetooth_refresh_timer.html#a122b128888ef9a86b0a4710c1459b3e2">CBluetoothRefreshTimer::NewL</a>(
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<a name="l00046"></a>00046      <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator, CActiveSchedulerWait* aWait)
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<a name="l00047"></a>00047         {
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<a name="l00048"></a>00048         <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* <span class="keyword">self</span> = <a class="code" href="class_c_bluetooth_refresh_timer.html#a10697495f27262ca4119892932cf5be3">CBluetoothRefreshTimer::NewLC</a>(
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<a name="l00049"></a>00049                                                             aSMediator, aWait );
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<a name="l00050"></a>00050         CleanupStack::Pop(<span class="keyword">self</span>);
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<a name="l00051"></a>00051         <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00052"></a>00052         }
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<a name="l00053"></a>00053 
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<a name="l00054"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a10697495f27262ca4119892932cf5be3">00054</a> <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* <a class="code" href="class_c_bluetooth_refresh_timer.html#a10697495f27262ca4119892932cf5be3">CBluetoothRefreshTimer::NewLC</a>(
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<a name="l00055"></a>00055     <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* aSMediator, CActiveSchedulerWait* aWait)
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<a name="l00056"></a>00056         {
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<a name="l00057"></a>00057         <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>(
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<a name="l00058"></a>00058                                                              aSMediator, aWait );
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<a name="l00059"></a>00059         CleanupStack::PushL(<span class="keyword">self</span>);
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<a name="l00060"></a>00060         <span class="keyword">self</span>-&gt;ConstructL();
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<a name="l00061"></a>00061         <span class="keywordflow">return</span> <span class="keyword">self</span>;
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<a name="l00062"></a>00062         }
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<a name="l00063"></a>00063 
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<a name="l00064"></a>00064 <span class="comment">// Standard Symbian OS 2nd phase constructor</span>
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<a name="l00065"></a>00065 <span class="keywordtype">void</span> CBluetoothRefreshTimer::ConstructL()
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<a name="l00066"></a>00066         {
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<a name="l00067"></a>00067         CTimer::ConstructL();
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<a name="l00068"></a>00068    
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<a name="l00069"></a>00069         iBTDiscoverer = <a class="code" href="class_c_bluetooth_refresh_timer.html#a122b128888ef9a86b0a4710c1459b3e2">CBTDiscoverer::NewL</a>(iSMediator);
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<a name="l00070"></a>00070         }
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<a name="l00071"></a>00071 
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<a name="l00072"></a>00072 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00073"></a>00073 <span class="comment">// CBluetoothRefreshTimer::StartL()</span>
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<a name="l00074"></a>00074 <span class="comment">//</span>
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<a name="l00075"></a>00075 <span class="comment">// Start discovering.</span>
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<a name="l00076"></a>00076 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00077"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a8f2c8cdde49f04754b4ed693228da3e0">00077</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bluetooth_refresh_timer.html#a8f2c8cdde49f04754b4ed693228da3e0">CBluetoothRefreshTimer::StartL</a>()
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<a name="l00078"></a>00078         {
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<a name="l00079"></a>00079         iRefreshTime = KThreadSecond*iSMediator-&gt;<a class="code" href="class_c_shared_intermediator.html#a028d5958e4503d319b594412bf118a3d">RefreshTimerInitlVal</a>();
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<a name="l00080"></a>00080 
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<a name="l00081"></a>00081         iBTDiscoverer-&gt;<a class="code" href="class_c_b_t_discoverer.html#a883d57ae3cd27e92a2c90a5d304f38e6">StartDiscoveringDevicesL</a>();
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<a name="l00082"></a>00082         After( KThreadSecond );
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<a name="l00083"></a>00083         }
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<a name="l00084"></a>00084 
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<a name="l00085"></a>00085 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00086"></a>00086 <span class="comment">// CBluetoothRefreshTimer::StopWaitLoop()</span>
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<a name="l00087"></a>00087 <span class="comment">//</span>
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<a name="l00088"></a>00088 <span class="comment">// Cancel active scheduler wait loop and cancel bluetooth discoverer.</span>
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<a name="l00089"></a>00089 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00090"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a270c66a754cbb2acc85c2b87709192b0">00090</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bluetooth_refresh_timer.html#a270c66a754cbb2acc85c2b87709192b0">CBluetoothRefreshTimer::StopWaitLoop</a>()
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<a name="l00091"></a>00091         {
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<a name="l00092"></a>00092         iBTDiscoverer-&gt;DoCancel();
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<a name="l00093"></a>00093         Cancel();
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<a name="l00094"></a>00094         iWait-&gt;AsyncStop();     
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<a name="l00095"></a>00095         }       
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<a name="l00096"></a>00096 
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<a name="l00097"></a>00097 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00098"></a>00098 <span class="comment">// CBluetoothRefreshTimer::RunL()</span>
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<a name="l00099"></a>00099 <span class="comment">//</span>
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<a name="l00100"></a>00100 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00101"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a35ac4274326e25348a4c1536c6b13943">00101</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bluetooth_refresh_timer.html#a35ac4274326e25348a4c1536c6b13943">CBluetoothRefreshTimer::RunL</a>()
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<a name="l00102"></a>00102         {
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<a name="l00103"></a>00103         <span class="comment">// Is it time to refresh yet</span>
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<a name="l00104"></a>00104         <span class="keywordflow">if</span> ( iTime &gt;= iRefreshTime ) 
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<a name="l00105"></a>00105                 {
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<a name="l00106"></a>00106                 <a class="code" href="class_c_device_list_container.html">CDeviceListContainer</a>* container = iSMediator-&gt;<a class="code" href="class_c_shared_intermediator.html#a1691ecc4482d77cd453f621163947d3c">DeviceListContainer</a>();
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<a name="l00107"></a>00107         
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<a name="l00108"></a>00108                 container-&gt;<a class="code" href="class_c_device_list_container.html#a24bf4567a03fd40885114cbdd79fbb3c">ClearListBox</a>();
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<a name="l00109"></a>00109                 container-&gt;<a class="code" href="class_c_device_list_container.html#a3cb96c5eefbd529e47a20bcf0568415d">AddItemL</a>( refreshDevices );
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<a name="l00110"></a>00110 
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<a name="l00111"></a>00111                 <span class="comment">// Clear also shared intermediator</span>
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<a name="l00112"></a>00112                 iSMediator-&gt;<a class="code" href="class_c_shared_intermediator.html#a22888d5681085c1321e3e3890bc0c780">ResetArray</a>();
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<a name="l00113"></a>00113 
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<a name="l00114"></a>00114                 <span class="comment">// Find bluetooth devices again</span>
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<a name="l00115"></a>00115                 iBTDiscoverer-&gt;<a class="code" href="class_c_b_t_discoverer.html#a025caeff179e22d835296e10b3387e6d">RefreshDevices</a>();
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<a name="l00116"></a>00116                 
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<a name="l00117"></a>00117                 iTime = 0;
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<a name="l00118"></a>00118                 }
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<a name="l00119"></a>00119 
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<a name="l00120"></a>00120         <span class="comment">// Stop seaching for bt devices</span>
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<a name="l00121"></a>00121         <span class="keywordflow">if</span> (iSMediator-&gt;<a class="code" href="class_c_shared_intermediator.html#a8d00c726b3de0ad952e32d0ed9a89364">StopSearching</a>())
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<a name="l00122"></a>00122                 {
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<a name="l00123"></a>00123                 <span class="comment">// Stop Active Scheduler wait loop</span>
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<a name="l00124"></a>00124                 <a class="code" href="class_c_bluetooth_refresh_timer.html#a270c66a754cbb2acc85c2b87709192b0">StopWaitLoop</a>();
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<a name="l00125"></a>00125                 }
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<a name="l00126"></a>00126 
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<a name="l00127"></a>00127         <span class="comment">// Wait for a while and run the same function again </span>
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<a name="l00128"></a>00128         iTime+=KThreadSecond;
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<a name="l00129"></a>00129         After( KThreadSecond );
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<a name="l00130"></a>00130         }
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<a name="l00131"></a>00131 
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<a name="l00132"></a>00132 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00133"></a>00133 <span class="comment">// CBluetoothRefreshTimer::DoCancel()</span>
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<a name="l00134"></a>00134 <span class="comment">//</span>
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<a name="l00135"></a>00135 <span class="comment">// Cancel and stop the timer. </span>
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<a name="l00136"></a>00136 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00137"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a0198ef7e6c6f86cc29f32cbd0105e5d9">00137</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bluetooth_refresh_timer.html#a0198ef7e6c6f86cc29f32cbd0105e5d9">CBluetoothRefreshTimer::DoCancel</a>() 
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<a name="l00138"></a>00138         {
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<a name="l00139"></a>00139         <a class="code" href="class_c_bluetooth_refresh_timer.html#a0198ef7e6c6f86cc29f32cbd0105e5d9">CTimer::DoCancel</a>();
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<a name="l00140"></a>00140         }
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<a name="l00141"></a>00141 
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<a name="l00142"></a>00142 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00143"></a>00143 <span class="comment">// CBluetoothRefreshTimer::SetRefreshTime(TInt aRefreshTime)</span>
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<a name="l00144"></a>00144 <span class="comment">//</span>
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<a name="l00145"></a>00145 <span class="comment">// Set a new refresh time. Convert time to microseconds.</span>
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<a name="l00146"></a>00146 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00147"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a8442cf6f32eb9cd6d10a0ca56fd8cada">00147</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bluetooth_refresh_timer.html#a8442cf6f32eb9cd6d10a0ca56fd8cada">CBluetoothRefreshTimer::SetRefreshTime</a>(TInt aRefreshTime)
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<a name="l00148"></a>00148         {
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<a name="l00149"></a>00149         
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<a name="l00150"></a>00150         <span class="keywordflow">if</span> ( aRefreshTime &lt; KRefreshTimeMin )
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<a name="l00151"></a>00151                 {
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<a name="l00152"></a>00152                 aRefreshTime = KRefreshTimeDefault;
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<a name="l00153"></a>00153                 }
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<a name="l00154"></a>00154 
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<a name="l00155"></a>00155         <span class="comment">// Convert to microseconds</span>
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<a name="l00156"></a>00156         iRefreshTime = aRefreshTime * KThreadSecond;
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<a name="l00157"></a>00157         }
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<a name="l00158"></a>00158 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00159"></a>00159 <span class="comment">// CBluetoothRefreshTimer::RunError(TInt)</span>
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<a name="l00160"></a>00160 <span class="comment">//</span>
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<a name="l00161"></a>00161 <span class="comment">// Handles a leave occurring in the request completion event handler RunL().</span>
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<a name="l00162"></a>00162 <span class="comment">// ----------------------------------------------------------------------------</span>
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<a name="l00163"></a><a class="code" href="class_c_bluetooth_refresh_timer.html#a5dee58121e84aedaf3d21698add7216f">00163</a> TInt <a class="code" href="class_c_bluetooth_refresh_timer.html#a5dee58121e84aedaf3d21698add7216f">CBluetoothRefreshTimer::RunError</a>(TInt)
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<a name="l00164"></a>00164         {
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<a name="l00165"></a>00165         <span class="keywordflow">return</span> KErrNone;
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<a name="l00166"></a>00166         }
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<a name="l00167"></a>00167 
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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>