Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/sharedintermediator_8cpp_source.html
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<h1>examples/ForumNokia/ThreadAndActiveObjectsEx/src/sharedintermediator.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="comment">// INCLUDES</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "SharedIntermediator.h"</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include "BluetoothInfo.h"</span>
<a name="l00009"></a>00009 <span class="preprocessor">#include "Devicelistcontainer.h"</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include "BluetoothRefreshTimer.h"</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include "ThreadAOAppUi.h"</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "btdiscoverer.h"</span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="comment">//CONSTANTS</span>
<a name="l00015"></a>00015 <span class="keyword">const</span> TInt KRefreshTime = 20;
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00018"></a>00018 <span class="comment">// CSharedIntermediator::CSharedIntermediator(CDeviceListContainer*</span>
<a name="l00019"></a>00019 <span class="comment">// aDeviceListContainer)</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// Constructor.</span>
<a name="l00022"></a>00022 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00023"></a>00023 CSharedIntermediator::CSharedIntermediator(
<a name="l00024"></a>00024 <a class="code" href="class_c_device_list_container.html">CDeviceListContainer</a>* aDeviceListContainer)
<a name="l00025"></a>00025 : iDeviceListContainer(aDeviceListContainer),
<a name="l00026"></a>00026 iStopSearching(false),
<a name="l00027"></a>00027 iBTRefreshTimer(NULL),
<a name="l00028"></a>00028 iInititialRefreshTime( KRefreshTime )
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00033"></a>00033 <span class="comment">// CSharedIntermediator::~CSharedIntermediator()</span>
<a name="l00034"></a>00034 <span class="comment">//</span>
<a name="l00035"></a>00035 <span class="comment">// Destructor.</span>
<a name="l00036"></a>00036 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00037"></a><a class="code" href="class_c_shared_intermediator.html#a11fb8f1e5489e3762e75f257b937e014">00037</a> <a class="code" href="class_c_shared_intermediator.html#a11fb8f1e5489e3762e75f257b937e014">CSharedIntermediator::~CSharedIntermediator</a>()
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 iMutex.Close();
<a name="l00040"></a>00040 <span class="keywordflow">if</span>( iBluetoothInfoArray )
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 iBluetoothInfoArray->Reset();
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044 <span class="keyword">delete</span> iBluetoothInfoArray;
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046
<a name="l00047"></a><a class="code" href="class_c_shared_intermediator.html#a57ac0686f87c29e49149a38809b990f4">00047</a> <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* <a class="code" href="class_c_shared_intermediator.html#a57ac0686f87c29e49149a38809b990f4">CSharedIntermediator::NewL</a>(<a class="code" href="class_c_device_list_container.html">CDeviceListContainer</a>* aView)
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* <span class="keyword">self</span> = <a class="code" href="class_c_shared_intermediator.html#adf971a6fd4ffe1bc850a028a975f0cbc">CSharedIntermediator::NewLC</a>(aView);
<a name="l00050"></a>00050 CleanupStack::Pop();
<a name="l00051"></a>00051 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a><a class="code" href="class_c_shared_intermediator.html#adf971a6fd4ffe1bc850a028a975f0cbc">00054</a> <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* <a class="code" href="class_c_shared_intermediator.html#adf971a6fd4ffe1bc850a028a975f0cbc">CSharedIntermediator::NewLC</a>(<a class="code" href="class_c_device_list_container.html">CDeviceListContainer</a>* aView)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>* <span class="keyword">self</span> = <span class="keyword">new</span> (ELeave) <a class="code" href="class_c_shared_intermediator.html">CSharedIntermediator</a>(aView);
<a name="l00057"></a>00057 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00058"></a>00058 <span class="keyword">self</span>->ConstructL();
<a name="l00059"></a>00059 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="comment">// Standard Symbian OS 2nd phase constructor</span>
<a name="l00063"></a>00063 <span class="keywordtype">void</span> CSharedIntermediator::ConstructL()
<a name="l00064"></a>00064 {
<a name="l00065"></a>00065 iBluetoothInfoArray = <span class="keyword">new</span> (ELeave) CArrayFixFlat <TBluetoothInfo>(1);
<a name="l00066"></a>00066 iMutex.CreateLocal();
<a name="l00067"></a>00067 }
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00070"></a>00070 <span class="comment">// CSharedIntermediator::AddBluetoothInfoL(TBluetoothInfo& btInfoElement)</span>
<a name="l00071"></a>00071 <span class="comment">//</span>
<a name="l00072"></a>00072 <span class="comment">// Add bluetooth info into bluetooth info array and add's new bluetooth</span>
<a name="l00073"></a>00073 <span class="comment">// device's name into UI's list box.</span>
<a name="l00074"></a>00074 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00075"></a><a class="code" href="class_c_shared_intermediator.html#a8c4ec9ad89fd0b9168c50472fa3e1ec7">00075</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#a8c4ec9ad89fd0b9168c50472fa3e1ec7">CSharedIntermediator::AddBluetoothInfoL</a>(<a class="code" href="class_t_bluetooth_info.html">TBluetoothInfo</a>& aBtInfoElement)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 iMutex.Wait();
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="comment">// Add new device data into array</span>
<a name="l00080"></a>00080 iBluetoothInfoArray->AppendL(aBtInfoElement);
<a name="l00081"></a>00081
<a name="l00082"></a>00082 TBuf <KBTDeviceLength> deviceName;
<a name="l00083"></a>00083 aBtInfoElement.<a class="code" href="class_t_bluetooth_info.html#a617ecc3e977de7578be598e50644252e">GetDeviceName</a>(deviceName);
<a name="l00084"></a>00084 <span class="comment">// Show new device name in the list box.</span>
<a name="l00085"></a>00085 iDeviceListContainer-><a class="code" href="class_c_device_list_container.html#a3cb96c5eefbd529e47a20bcf0568415d">AddItemL</a>(deviceName);
<a name="l00086"></a>00086
<a name="l00087"></a>00087 iMutex.Signal();
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00091"></a>00091 <span class="comment">// CSharedIntermediator::ResetArray()</span>
<a name="l00092"></a>00092 <span class="comment">//</span>
<a name="l00093"></a>00093 <span class="comment">// Clears bluetooth info array.</span>
<a name="l00094"></a>00094 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00095"></a><a class="code" href="class_c_shared_intermediator.html#a22888d5681085c1321e3e3890bc0c780">00095</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#a22888d5681085c1321e3e3890bc0c780">CSharedIntermediator::ResetArray</a>()
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 iMutex.Wait();
<a name="l00098"></a>00098 iBluetoothInfoArray->Reset();
<a name="l00099"></a>00099 iMutex.Signal();
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00103"></a>00103 <span class="comment">// CSharedIntermediator::SetRefreshTimerInitlVal(TInt aRefreshTime)</span>
<a name="l00104"></a>00104 <span class="comment">//</span>
<a name="l00105"></a>00105 <span class="comment">// Set thread one's CBluetoothrefreshtimer initial value.</span>
<a name="l00106"></a>00106 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00107"></a><a class="code" href="class_c_shared_intermediator.html#a9760bf8202ebb31c85f1a81fe48d2575">00107</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#a9760bf8202ebb31c85f1a81fe48d2575">CSharedIntermediator::SetRefreshTimerInitlVal</a>(TInt aRefreshTime)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 <span class="keywordflow">if</span> ( aRefreshTime < KRefreshTimeMin )
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 aRefreshTime = KRefreshTimeDefault;
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114 iInititialRefreshTime = aRefreshTime;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00117"></a>00117 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00118"></a>00118 <span class="comment">// CSharedIntermediator::RefreshTimerInitlVal()</span>
<a name="l00119"></a>00119 <span class="comment">//</span>
<a name="l00120"></a>00120 <span class="comment">// Get thread one's CBluetoothrefreshtimer initial value.</span>
<a name="l00121"></a>00121 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00122"></a><a class="code" href="class_c_shared_intermediator.html#a028d5958e4503d319b594412bf118a3d">00122</a> TInt <a class="code" href="class_c_shared_intermediator.html#a028d5958e4503d319b594412bf118a3d">CSharedIntermediator::RefreshTimerInitlVal</a>()
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="keywordflow">return</span> iInititialRefreshTime;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00128"></a>00128 <span class="comment">// CSharedIntermediator::GetAddress(TDes& aAddress, TInt aIndex)</span>
<a name="l00129"></a>00129 <span class="comment">//</span>
<a name="l00130"></a>00130 <span class="comment">// Get bluetooth device address from the bluetooth info array.</span>
<a name="l00131"></a>00131 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00132"></a><a class="code" href="class_c_shared_intermediator.html#accce976d88b563b511fee0754aac51d7">00132</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#accce976d88b563b511fee0754aac51d7">CSharedIntermediator::GetAddress</a>(TDes& aAddress, TInt aIndex)
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 iMutex.Wait();
<a name="l00135"></a>00135 <span class="keywordflow">if</span> ( aIndex < iBluetoothInfoArray->Count() )
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 <a class="code" href="class_t_bluetooth_info.html">TBluetoothInfo</a>& tempBTInfo = iBluetoothInfoArray->At(aIndex);
<a name="l00138"></a>00138 tempBTInfo.<a class="code" href="class_t_bluetooth_info.html#ac49072f87f7d2b6f499538ac3c23d37f">GetAddressHex</a>(aAddress);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 iMutex.Signal();
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00144"></a>00144 <span class="comment">// CSharedIntermediator::SetStopSearching(bool aStopSearhing)</span>
<a name="l00145"></a>00145 <span class="comment">//</span>
<a name="l00146"></a>00146 <span class="comment">// Set variable (iStopSearching), which tells to thread</span>
<a name="l00147"></a>00147 <span class="comment">// that Activescheduler's wait loop should stop. After that thread cleans up</span>
<a name="l00148"></a>00148 <span class="comment">// itself, the program is terminated "naturally".</span>
<a name="l00149"></a>00149 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00150"></a><a class="code" href="class_c_shared_intermediator.html#a90e24ea996df35031bcee2bd575abbcb">00150</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#a90e24ea996df35031bcee2bd575abbcb">CSharedIntermediator::SetStopSearching</a>(<span class="keywordtype">bool</span> aStopSearhing)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 iStopSearching = aStopSearhing;
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00157"></a>00157 <span class="comment">// TBool CSharedIntermediator::StopSearching()</span>
<a name="l00158"></a>00158 <span class="comment">// </span>
<a name="l00159"></a>00159 <span class="comment">// ---------------------------------------------------------------------------- </span>
<a name="l00160"></a><a class="code" href="class_c_shared_intermediator.html#a8d00c726b3de0ad952e32d0ed9a89364">00160</a> TBool <a class="code" href="class_c_shared_intermediator.html#a8d00c726b3de0ad952e32d0ed9a89364">CSharedIntermediator::StopSearching</a>()
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 <span class="keywordflow">return</span> iStopSearching;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00166"></a>00166 <span class="comment">// CSharedIntermediator::BTRefreshTimerPtr()</span>
<a name="l00167"></a>00167 <span class="comment">//</span>
<a name="l00168"></a>00168 <span class="comment">// Get pointer to thread's bluetooth refresh timer. New refresh time is set</span>
<a name="l00169"></a>00169 <span class="comment">// in main program. Refresh time is time that has passed after bluetooth</span>
<a name="l00170"></a>00170 <span class="comment">// discovery is started again.</span>
<a name="l00171"></a>00171 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00172"></a><a class="code" href="class_c_shared_intermediator.html#a2914f06c89de0dc1c1477b5f3f0a73fb">00172</a> <a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* <a class="code" href="class_c_shared_intermediator.html#a2914f06c89de0dc1c1477b5f3f0a73fb">CSharedIntermediator::BTRefreshTimerPtr</a>()
<a name="l00173"></a>00173 {
<a name="l00174"></a>00174 <span class="keywordflow">return</span> iBTRefreshTimer;
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00178"></a>00178 <span class="comment">// CSharedIntermediator::SetBTRefreshTimerPtr(CBluetoothRefreshTimer* timer)</span>
<a name="l00179"></a>00179 <span class="comment">//</span>
<a name="l00180"></a>00180 <span class="comment">// Set pointer to thread's bluetooth refresh timer. New refresh time is set</span>
<a name="l00181"></a>00181 <span class="comment">// in the main program by the user.</span>
<a name="l00182"></a>00182 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00183"></a><a class="code" href="class_c_shared_intermediator.html#ac22c0341f159855b73e858050d6114b1">00183</a> <span class="keywordtype">void</span> <a class="code" href="class_c_shared_intermediator.html#ac22c0341f159855b73e858050d6114b1">CSharedIntermediator::SetBTRefreshTimerPtr</a>(<a class="code" href="class_c_bluetooth_refresh_timer.html">CBluetoothRefreshTimer</a>* aTimer)
<a name="l00184"></a>00184 {
<a name="l00185"></a>00185 iBTRefreshTimer = aTimer;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00189"></a>00189 <span class="comment">// CSharedIntermediator::DeviceListContainer()</span>
<a name="l00190"></a>00190 <span class="comment">//</span>
<a name="l00191"></a>00191 <span class="comment">// Get pointer to listbox container. Function is used</span>
<a name="l00192"></a>00192 <span class="comment">// when CBTRefreshTimer clears the listbox.</span>
<a name="l00193"></a>00193 <span class="comment">// ----------------------------------------------------------------------------</span>
<a name="l00194"></a><a class="code" href="class_c_shared_intermediator.html#a1691ecc4482d77cd453f621163947d3c">00194</a> <a class="code" href="class_c_device_list_container.html">CDeviceListContainer</a>* <a class="code" href="class_c_shared_intermediator.html#a1691ecc4482d77cd453f621163947d3c">CSharedIntermediator::DeviceListContainer</a>()
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="keywordflow">return</span> iDeviceListContainer;
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198
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