Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/solution_2src_2_s60_client_serv_lab_container_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_04308.cb1/solution/src/S60ClientServLabContainer.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="comment">// INCLUDE FILES</span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "S60ClientServLabContainer.h"</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="preprocessor">#include <eiklabel.h></span> <span class="comment">// for example label control</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <f32file.h></span> <span class="comment">// for file server usage</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KClientServerLabText, <span class="stringliteral">"Client/Server Lab"</span>);
<a name="l00010"></a>00010 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFileWriterText, <span class="stringliteral">"File Writer"</span>);
<a name="l00011"></a>00011 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KOutputFileSizeText, <span class="stringliteral">"Output file size:"</span>);
<a name="l00012"></a>00012 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KNumBytes, <span class="stringliteral">"%d bytes"</span>);
<a name="l00013"></a>00013 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KDataFilePath, <span class="stringliteral">"c:\\system\\apps\\S60ClientServLab\\S60ClientServLab.txt"</span>);
<a name="l00014"></a>00014 _LIT8(KDataEntry, <span class="stringliteral">"A line of ASCII text\r\n"</span>);
<a name="l00015"></a>00015 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00018"></a>00018 <span class="comment">// CS60ClientServLabContainer::ConstructL(const TRect& aRect)</span>
<a name="l00019"></a>00019 <span class="comment">// EPOC two phased constructor</span>
<a name="l00020"></a>00020 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00021"></a>00021 <span class="comment">//</span>
<a name="l00022"></a><a class="code" href="class_c_s60_client_serv_lab_container.html#afd9d039c69a54796146d6ea729773362">00022</a> <span class="keywordtype">void</span> <a class="code" href="class_c_s60_client_serv_lab_container.html#afd9d039c69a54796146d6ea729773362">CS60ClientServLabContainer::ConstructL</a>(<span class="keyword">const</span> TRect& aRect)
<a name="l00023"></a>00023 {
<a name="l00024"></a>00024 CreateWindowL();
<a name="l00025"></a>00025
<a name="l00026"></a>00026 iTopLabel = <span class="keyword">new</span> (ELeave) CEikLabel;
<a name="l00027"></a>00027 iTopLabel->SetContainerWindowL( *<span class="keyword">this</span> );
<a name="l00028"></a>00028 iTopLabel->SetTextL(KClientServerLabText);
<a name="l00029"></a>00029
<a name="l00030"></a>00030 iBottomLabel = <span class="keyword">new</span> (ELeave) CEikLabel;
<a name="l00031"></a>00031 iBottomLabel->SetContainerWindowL( *<span class="keyword">this</span> );
<a name="l00032"></a>00032 iBottomLabel->SetTextL(KFileWriterText);
<a name="l00033"></a>00033
<a name="l00034"></a>00034 SetRect(aRect);
<a name="l00035"></a>00035 ActivateL();
<a name="l00036"></a>00036 }
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">// Destructor</span>
<a name="l00039"></a><a class="code" href="class_c_s60_client_serv_lab_container.html#a32e57642a6465d62c5ca8822c4c49d36">00039</a> <a class="code" href="class_c_s60_client_serv_lab_container.html#a32e57642a6465d62c5ca8822c4c49d36">CS60ClientServLabContainer::~CS60ClientServLabContainer</a>()
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">delete</span> iTopLabel;
<a name="l00042"></a>00042 <span class="keyword">delete</span> iBottomLabel;
<a name="l00043"></a>00043 }
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00046"></a>00046 <span class="comment">// CS60ClientServLabContainer::SizeChanged()</span>
<a name="l00047"></a>00047 <span class="comment">// Called by framework when the view size is changed</span>
<a name="l00048"></a>00048 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00049"></a>00049 <span class="comment">//</span>
<a name="l00050"></a>00050 <span class="keywordtype">void</span> CS60ClientServLabContainer::SizeChanged()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 iTopLabel->SetExtent( TPoint(0,0), TSize(Rect().Width(), Rect().Height()/2));
<a name="l00053"></a>00053 iBottomLabel->SetExtent( TPoint(0,Rect().Height()/2), TSize(Rect().Width(),Rect().Height()/2));
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00057"></a>00057 <span class="comment">// CS60ClientServLabContainer::CountComponentControls() const</span>
<a name="l00058"></a>00058 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00059"></a>00059 <span class="comment">//</span>
<a name="l00060"></a>00060 TInt CS60ClientServLabContainer::CountComponentControls()<span class="keyword"> const</span>
<a name="l00061"></a>00061 <span class="keyword"> </span>{
<a name="l00062"></a>00062 <span class="keywordflow">return</span> 2; <span class="comment">// return nbr of controls inside this container</span>
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00066"></a>00066 <span class="comment">// CS60ClientServLabContainer::ComponentControl(TInt aIndex) const</span>
<a name="l00067"></a>00067 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00068"></a>00068 <span class="comment">//</span>
<a name="l00069"></a>00069 CCoeControl* CS60ClientServLabContainer::ComponentControl(TInt aIndex)<span class="keyword"> const</span>
<a name="l00070"></a>00070 <span class="keyword"> </span>{
<a name="l00071"></a>00071 <span class="keywordflow">switch</span> ( aIndex )
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keywordflow">case</span> 0:
<a name="l00074"></a>00074 <span class="keywordflow">return</span> iTopLabel;
<a name="l00075"></a>00075 <span class="keywordflow">case</span> 1:
<a name="l00076"></a>00076 <span class="keywordflow">return</span> iBottomLabel;
<a name="l00077"></a>00077 <span class="keywordflow">default</span>:
<a name="l00078"></a>00078 <span class="keywordflow">return</span> NULL;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00083"></a>00083 <span class="comment">// CS60ClientServLabContainer::Draw(const TRect& aRect) const</span>
<a name="l00084"></a>00084 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00085"></a>00085 <span class="comment">//</span>
<a name="l00086"></a>00086 <span class="keywordtype">void</span> CS60ClientServLabContainer::Draw(<span class="keyword">const</span> TRect& aRect)<span class="keyword"> const</span>
<a name="l00087"></a>00087 <span class="keyword"> </span>{
<a name="l00088"></a>00088 CWindowGc& gc = SystemGc();
<a name="l00089"></a>00089 gc.SetPenStyle(CGraphicsContext::ENullPen);
<a name="l00090"></a>00090 gc.SetBrushColor(KRgbGray);
<a name="l00091"></a>00091 gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
<a name="l00092"></a>00092 gc.DrawRect(aRect);
<a name="l00093"></a>00093 }
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00096"></a>00096 <span class="comment">// CS60ClientServLabContainer::HandleControlEventL(</span>
<a name="l00097"></a>00097 <span class="comment">// CCoeControl* aControl,TCoeEvent aEventType)</span>
<a name="l00098"></a>00098 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00099"></a>00099 <span class="comment">//</span>
<a name="l00100"></a>00100 <span class="keywordtype">void</span> CS60ClientServLabContainer::HandleControlEventL(
<a name="l00101"></a>00101 CCoeControl* <span class="comment">/*aControl*/</span>,TCoeEvent <span class="comment">/*aEventType*/</span>)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00106"></a>00106 <span class="comment">// CS60ClientServLabContainer::WriteFileL()</span>
<a name="l00107"></a>00107 <span class="comment">// ---------------------------------------------------------</span>
<a name="l00108"></a>00108 <span class="comment">//</span>
<a name="l00109"></a><a class="code" href="class_c_s60_client_serv_lab_container.html#a789dc2cfd5a825a11b66b8073fe97d91">00109</a> <span class="keywordtype">void</span> <a class="code" href="class_c_s60_client_serv_lab_container.html#a789dc2cfd5a825a11b66b8073fe97d91">CS60ClientServLabContainer::WriteFileL</a>()
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 RFs fs;
<a name="l00112"></a>00112 User::LeaveIfError(fs.Connect());
<a name="l00113"></a>00113 CleanupClosePushL(fs);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 TParsePtrC parse(KDataFilePath);
<a name="l00116"></a>00116 TPtrC pathPtr = parse.DriveAndPath();
<a name="l00117"></a>00117
<a name="l00118"></a>00118 User::LeaveIfError(fs.MkDirAll(pathPtr));
<a name="l00119"></a>00119
<a name="l00120"></a>00120 RFile file;
<a name="l00121"></a>00121 TInt ret = file.Open(fs, KDataFilePath, EFileWrite | EFileStreamText);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordflow">switch</span>(ret)
<a name="l00124"></a>00124 {
<a name="l00125"></a>00125 <span class="keywordflow">case</span> KErrNotFound:
<a name="l00126"></a>00126 User::LeaveIfError(file.Create(fs, KDataFilePath, EFileWrite | EFileStreamText));
<a name="l00127"></a>00127 <span class="keywordflow">break</span>;
<a name="l00128"></a>00128
<a name="l00129"></a>00129 <span class="keywordflow">case</span> KErrNone:
<a name="l00130"></a>00130 <span class="comment">// Do nothing</span>
<a name="l00131"></a>00131 <span class="keywordflow">break</span>;
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keywordflow">default</span>:
<a name="l00134"></a>00134 User::Leave(ret);
<a name="l00135"></a>00135 <span class="keywordflow">break</span>;
<a name="l00136"></a>00136 }
<a name="l00137"></a>00137
<a name="l00138"></a>00138 CleanupClosePushL(file);
<a name="l00139"></a>00139
<a name="l00140"></a>00140 TInt offset = 0;
<a name="l00141"></a>00141 User::LeaveIfError(file.Seek(ESeekEnd, offset));
<a name="l00142"></a>00142 User::LeaveIfError(file.Write(KDataEntry));
<a name="l00143"></a>00143
<a name="l00144"></a>00144 TInt fileSize;
<a name="l00145"></a>00145 file.Size(fileSize);
<a name="l00146"></a>00146
<a name="l00147"></a>00147 CleanupStack::PopAndDestroy(2);
<a name="l00148"></a>00148
<a name="l00149"></a>00149 TBuf<20> numBytes;
<a name="l00150"></a>00150 numBytes.Format(KNumBytes, fileSize);
<a name="l00151"></a>00151
<a name="l00152"></a>00152 iTopLabel->SetTextL(KOutputFileSizeText);
<a name="l00153"></a>00153 iBottomLabel->SetTextL(numBytes);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155 <span class="comment">// End of File </span>
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