Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_internet_email_container_8cpp_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
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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/InternetEmail/src/InternetEmailContainer.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/InternetEmail/src/InternetEmailContainer.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="l00006"></a>00006 <span class="comment">// INCLUDE FILES</span>
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<a name="l00007"></a>00007 <span class="preprocessor">#include &quot;InternetEmailContainer.h&quot;</span>
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<a name="l00009"></a>00009 <span class="preprocessor">#include &lt;eiklabel.h&gt;</span>  <span class="comment">// for example label control</span>
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<a name="l00010"></a>00010 <span class="preprocessor">#include &lt;aknutils.h&gt;</span>  <span class="comment">// for Fonts.</span>
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<a name="l00011"></a>00011 <span class="preprocessor">#include &lt;aknlists.h&gt;</span>  <span class="comment">// for listbox</span>
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<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;barsread.h&gt;</span>  <span class="comment">// for resource reader</span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include &lt;avkon.hrh&gt;</span>
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<a name="l00015"></a>00015 <span class="preprocessor">#include &quot;Internetemail.hrh&quot;</span>
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<a name="l00016"></a>00016 <span class="preprocessor">#include &quot;InternetEmailEngine.h&quot;</span>
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<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;Internetemail.rsg&gt;</span>
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<a name="l00018"></a>00018 
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<a name="l00020"></a>00020 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
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<a name="l00021"></a>00021 
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<a name="l00022"></a>00022 <span class="comment">// -------------------------------------------------------</span>
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<a name="l00023"></a>00023 <span class="comment">// CInternetEmailContainer::ConstructL(const TRect&amp; aRect)</span>
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<a name="l00024"></a>00024 <span class="comment">//  EPOC two phased constructor</span>
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<a name="l00025"></a>00025 <span class="comment">// -------------------------------------------------------</span>
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<a name="l00026"></a>00026 <span class="comment">//</span>
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<a name="l00027"></a><a class="code" href="class_c_internet_email_container.html#ae196768eeb8245d417583aeaf5a56632">00027</a> <span class="keywordtype">void</span> <a class="code" href="class_c_internet_email_container.html#ae196768eeb8245d417583aeaf5a56632">CInternetEmailContainer::ConstructL</a>(<span class="keyword">const</span> TRect&amp; aRect, <a class="code" href="class_c_internet_email_app_ui.html">CInternetEmailAppUi</a>* aParent )
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<a name="l00028"></a>00028     {
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<a name="l00029"></a>00029     iParent=aParent;
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<a name="l00030"></a>00030     CreateWindowL();
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<a name="l00031"></a>00031 
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<a name="l00032"></a>00032     iListBox = <span class="keyword">new</span> (ELeave) CAknDoubleStyleListBox;
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<a name="l00033"></a>00033     iListBox-&gt;SetContainerWindowL(*<span class="keyword">this</span>);
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<a name="l00034"></a>00034     iListBox-&gt;ConstructL(<span class="keyword">this</span>, EAknListBoxSelectionList);
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<a name="l00035"></a>00035 
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<a name="l00036"></a>00036     iListBox-&gt;Model()-&gt;SetItemTextArray(<span class="keyword">this</span>); <span class="comment">//we make ourself to be the array</span>
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<a name="l00037"></a>00037     iListBox-&gt;Model()-&gt;SetOwnershipType(ELbmDoesNotOwnItemArray); <span class="comment">//thus lb doesnt control our deletion</span>
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<a name="l00038"></a>00038 
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<a name="l00039"></a>00039     iListBox-&gt;SetListBoxObserver( <span class="keyword">this</span> );
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<a name="l00040"></a>00040     iListBox-&gt;CreateScrollBarFrameL(ETrue); <span class="comment">//we set automatic scrollbar</span>
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<a name="l00041"></a>00041     iListBox-&gt;ScrollBarFrame()-&gt;SetScrollBarVisibilityL(
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<a name="l00042"></a>00042         CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );
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<a name="l00043"></a>00043 
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<a name="l00044"></a>00044     iListBox-&gt;SetRect( aRect );
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<a name="l00045"></a>00045     iListBox-&gt;ActivateL();
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<a name="l00046"></a>00046 
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<a name="l00047"></a>00047     <span class="comment">// set window size</span>
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<a name="l00048"></a>00048     SetRect(aRect);
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<a name="l00049"></a>00049 
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<a name="l00050"></a>00050     <span class="comment">// activate window</span>
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<a name="l00051"></a>00051     ActivateL();
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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>00054 <span class="comment">// ---------------------------------------------------</span>
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<a name="l00055"></a>00055 <span class="comment">// CInternetEmailContainer::~CInternetEmailContainer()</span>
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<a name="l00056"></a>00056 <span class="comment">// ---------------------------------------------------</span>
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<a name="l00057"></a>00057 <span class="comment">//</span>
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<a name="l00058"></a><a class="code" href="class_c_internet_email_container.html#a325713786f24db342ad31cad2ced3228">00058</a> <a class="code" href="class_c_internet_email_container.html#a325713786f24db342ad31cad2ced3228">CInternetEmailContainer::~CInternetEmailContainer</a>()
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<a name="l00059"></a>00059     {
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<a name="l00060"></a>00060     <span class="keyword">delete</span> iListBox;
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<a name="l00061"></a>00061     }
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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">// --------------------------------------------------</span>
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<a name="l00065"></a>00065 <span class="comment">// CInternetEmailContainer::SizeChanged()</span>
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<a name="l00066"></a>00066 <span class="comment">//  Called by framework when the view size is changed</span>
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<a name="l00067"></a>00067 <span class="comment">// --------------------------------------------------</span>
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<a name="l00068"></a>00068 <span class="comment">//</span>
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<a name="l00069"></a>00069 <span class="keywordtype">void</span> CInternetEmailContainer::SizeChanged()
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<a name="l00070"></a>00070     {
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<a name="l00071"></a>00071     iListBox-&gt;SetRect( Rect() );
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<a name="l00072"></a>00072     }
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<a name="l00073"></a>00073 
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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">// CInternetEmailContainer::CountComponentControls() const</span>
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<a name="l00076"></a>00076 <span class="comment">// -------------------------------------------------------</span>
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<a name="l00077"></a>00077 <span class="comment">//</span>
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<a name="l00078"></a>00078 TInt CInternetEmailContainer::CountComponentControls()<span class="keyword"> const</span>
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<a name="l00079"></a>00079 <span class="keyword">    </span>{
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<a name="l00080"></a>00080     <span class="keywordflow">return</span> 1;
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<a name="l00081"></a>00081     }
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<a name="l00082"></a>00082 
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<a name="l00083"></a>00083 <span class="comment">// ------------------------------------------------------------</span>
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<a name="l00084"></a>00084 <span class="comment">// CInternetEmailContainer::ComponentControl(TInt aIndex) const</span>
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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">//</span>
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<a name="l00087"></a>00087 CCoeControl* CInternetEmailContainer::ComponentControl(TInt aIndex)<span class="keyword"> const</span>
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<a name="l00088"></a>00088 <span class="keyword">    </span>{
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<a name="l00089"></a>00089     <span class="keywordflow">switch</span> ( aIndex )
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<a name="l00090"></a>00090         {
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<a name="l00091"></a>00091         <span class="keywordflow">case</span> 0:
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<a name="l00092"></a>00092             <span class="keywordflow">return</span> iListBox;
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<a name="l00093"></a>00093         <span class="keywordflow">default</span>:
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<a name="l00094"></a>00094             <span class="keywordflow">return</span> NULL;
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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 
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<a name="l00098"></a>00098 <span class="keywordtype">void</span> CInternetEmailContainer::HandleResourceChange(TInt aType)
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<a name="l00099"></a>00099     {
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<a name="l00100"></a>00100     CCoeControl::HandleResourceChange(aType);
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<a name="l00101"></a>00101     <span class="keywordflow">if</span> ( aType==KEikDynamicLayoutVariantSwitch )
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<a name="l00102"></a>00102         {
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<a name="l00103"></a>00103         TRect rect;
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<a name="l00104"></a>00104         AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, rect);
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<a name="l00105"></a>00105         SetRect(rect);
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<a name="l00106"></a>00106         }
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<a name="l00107"></a>00107     }
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<a name="l00108"></a>00108 
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<a name="l00109"></a>00109 <span class="comment">// -------------------------------------------------------</span>
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<a name="l00110"></a>00110 <span class="comment">// CInternetEmailContainer::Draw(const TRect&amp; aRect) const</span>
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<a name="l00111"></a>00111 <span class="comment">// -------------------------------------------------------</span>
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<a name="l00112"></a>00112 <span class="comment">//</span>
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<a name="l00113"></a>00113 <span class="keywordtype">void</span> CInternetEmailContainer::Draw(<span class="keyword">const</span> TRect&amp; aRect)<span class="keyword"> const</span>
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<a name="l00114"></a>00114 <span class="keyword">    </span>{
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<a name="l00115"></a>00115     CWindowGc&amp; gc = SystemGc();
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<a name="l00116"></a>00116     gc.SetPenStyle(CGraphicsContext::ENullPen);
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<a name="l00117"></a>00117     gc.SetBrushColor(KRgbGray);
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<a name="l00118"></a>00118     gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
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<a name="l00119"></a>00119     gc.DrawRect(aRect);
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<a name="l00120"></a>00120     }
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<a name="l00121"></a>00121 
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<a name="l00122"></a>00122 <span class="comment">// ------------------------------------------------------</span>
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<a name="l00123"></a>00123 <span class="comment">// TKeyResponse CInternetEmailContainer::OfferKeyEventL(</span>
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<a name="l00124"></a>00124 <span class="comment">//      const TKeyEvent&amp; aKeyEvent, TEventCode aType)</span>
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<a name="l00125"></a>00125 <span class="comment">//  This function is used to pick subset of keyevents for</span>
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<a name="l00126"></a>00126 <span class="comment">//  our custom handler.</span>
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<a name="l00127"></a>00127 <span class="comment">// ------------------------------------------------------</span>
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<a name="l00128"></a>00128 <span class="comment">//</span>
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<a name="l00129"></a>00129 TKeyResponse CInternetEmailContainer::OfferKeyEventL(
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<a name="l00130"></a>00130     <span class="keyword">const</span> TKeyEvent&amp; aKeyEvent, TEventCode aType)
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<a name="l00131"></a>00131     {
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<a name="l00132"></a>00132     <span class="keywordflow">if</span> ( aType != EEventKey )
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<a name="l00133"></a>00133         {
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<a name="l00134"></a>00134         <span class="keywordflow">return</span> EKeyWasNotConsumed;
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<a name="l00135"></a>00135         }
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<a name="l00136"></a>00136 
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<a name="l00137"></a>00137     <span class="keywordflow">switch</span> ( aKeyEvent.iCode )
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<a name="l00138"></a>00138         {
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<a name="l00139"></a>00139         <span class="comment">// Up &amp; Down &amp; enter arrow key&#39;s event transfer to list box</span>
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<a name="l00140"></a>00140         <span class="keywordflow">case</span> EKeyOK:
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<a name="l00141"></a>00141         <span class="keywordflow">case</span> EKeyUpArrow:
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<a name="l00142"></a>00142         <span class="keywordflow">case</span> EKeyDownArrow:
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<a name="l00143"></a>00143             <span class="keywordflow">if</span> ( iListBox )
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<a name="l00144"></a>00144                 {
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<a name="l00145"></a>00145                 <span class="keywordflow">return</span> iListBox-&gt;OfferKeyEventL( aKeyEvent, aType );
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<a name="l00146"></a>00146                 }
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<a name="l00147"></a>00147             <span class="keywordflow">break</span>;
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<a name="l00148"></a>00148 
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<a name="l00149"></a>00149         <span class="keywordflow">default</span>:
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<a name="l00150"></a>00150             <span class="keywordflow">break</span>;
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<a name="l00151"></a>00151         }
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<a name="l00152"></a>00152 
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<a name="l00153"></a>00153     <span class="keywordflow">return</span> EKeyWasNotConsumed;
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<a name="l00154"></a>00154     }
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<a name="l00155"></a>00155 
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<a name="l00156"></a>00156 <span class="comment">// -----------------------------------------------</span>
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<a name="l00157"></a>00157 <span class="comment">// CInternetEmailContainer::HandleControlEventL(</span>
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<a name="l00158"></a>00158 <span class="comment">//   CCoeControl* aControl,TCoeEvent aEventType)</span>
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<a name="l00159"></a>00159 <span class="comment">// -----------------------------------------------</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="keywordtype">void</span> CInternetEmailContainer::HandleControlEventL(
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<a name="l00162"></a>00162     CCoeControl* <span class="comment">/*aControl*/</span>,TCoeEvent <span class="comment">/*aEventType*/</span>)
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<a name="l00163"></a>00163     {
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<a name="l00164"></a>00164     <span class="comment">// TODO: Add your control event handler code here</span>
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<a name="l00165"></a>00165     }
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<a name="l00166"></a>00166 
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<a name="l00167"></a>00167 
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<a name="l00168"></a>00168 <span class="comment">// ------------------------------------------------</span>
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<a name="l00169"></a>00169 <span class="comment">// CInternetEmailContainer::HandleListBoxEventL(</span>
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<a name="l00170"></a>00170 <span class="comment">//  CEikListBox* aListBox,TListBoxEvent aEventType)</span>
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<a name="l00171"></a>00171 <span class="comment">//  Custom event handler.</span>
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<a name="l00172"></a>00172 <span class="comment">// ------------------------------------------------</span>
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<a name="l00173"></a>00173 <span class="comment">//</span>
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<a name="l00174"></a>00174 <span class="keywordtype">void</span> CInternetEmailContainer::HandleListBoxEventL(
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<a name="l00175"></a>00175     CEikListBox* aListBox,TListBoxEvent aEventType)
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<a name="l00176"></a>00176     {
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<a name="l00177"></a>00177     <span class="keywordflow">if</span>(aListBox==iListBox &amp;&amp;
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<a name="l00178"></a>00178     ( aEventType==MEikListBoxObserver::EEventEnterKeyPressed ||
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<a name="l00179"></a>00179       aEventType == MEikListBoxObserver::EEventItemClicked || 
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<a name="l00180"></a>00180       aEventType == MEikListBoxObserver::EEventItemDoubleClicked))
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<a name="l00181"></a>00181         {
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<a name="l00182"></a>00182         OpenEmailL(); <span class="comment">// opens selected entry using generic framework</span>
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<a name="l00183"></a>00183         }
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<a name="l00184"></a>00184     }
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<a name="l00185"></a>00185 
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<a name="l00186"></a>00186 <span class="comment">// ----------------------------------------------------</span>
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<a name="l00187"></a>00187 <span class="comment">// void CInternetEmailContainer::OpenEmailL()</span>
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<a name="l00188"></a>00188 <span class="comment">//  function to call engine interface method</span>
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<a name="l00189"></a>00189 <span class="comment">// ----------------------------------------------------</span>
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<a name="l00190"></a>00190 <span class="comment">//</span>
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<a name="l00191"></a>00191 <span class="keywordtype">void</span> CInternetEmailContainer::OpenEmailL()
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<a name="l00192"></a>00192     {
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<a name="l00193"></a>00193     TInt currentItem=iListBox-&gt;CurrentItemIndex();
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<a name="l00194"></a>00194     <span class="keywordflow">if</span>(currentItem&gt;=0 &amp;&amp; currentItem&lt;iParent-&gt;Model()-&gt;RemoteEmailCount())
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<a name="l00195"></a>00195         {
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<a name="l00196"></a>00196         iParent-&gt;Model()-&gt;RemoteOpenEmailL(currentItem);
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<a name="l00197"></a>00197         }
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<a name="l00198"></a>00198     }
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<a name="l00199"></a>00199 
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<a name="l00200"></a>00200 <span class="comment">// ---------------------------------------------------------------</span>
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<a name="l00201"></a>00201 <span class="comment">// void CInternetEmailContainer::EntryToListbox(TInt aIndex) const</span>
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<a name="l00202"></a>00202 <span class="comment">//  Gets header message entry header information from model</span>
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<a name="l00203"></a>00203 <span class="comment">//  if model is suddenly cancelled traps and draws blanco.</span>
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<a name="l00204"></a>00204 <span class="comment">// ---------------------------------------------------------------</span>
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<a name="l00205"></a>00205 <span class="comment">//</span>
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<a name="l00206"></a>00206 <span class="keywordtype">void</span> CInternetEmailContainer::EntryToListbox(TInt aIndex)<span class="keyword"> const</span>
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<a name="l00207"></a>00207 <span class="keyword">    </span>{
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<a name="l00208"></a>00208     TPtrC from;
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<a name="l00209"></a>00209     TPtrC subject;
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<a name="l00210"></a>00210 
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<a name="l00211"></a>00211     TRAPD(error,from.Set(iParent-&gt;Model()-&gt;RemoteEmailSenderL(aIndex)));
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<a name="l00212"></a>00212     <span class="keywordflow">if</span>(error == KErrNone)
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<a name="l00213"></a>00213         {
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<a name="l00214"></a>00214         TRAP(error,subject.Set(iParent-&gt;Model()-&gt;RemoteEmailTextL(aIndex)));
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<a name="l00215"></a>00215         <span class="keywordflow">if</span>(error == KErrNone)
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<a name="l00216"></a>00216             {
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<a name="l00217"></a>00217             iText.Format(_L(<span class="stringliteral">&quot;\t%S\t%S&quot;</span>),&amp;subject,&amp;from);
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<a name="l00218"></a>00218             }
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<a name="l00219"></a>00219         <span class="keywordflow">else</span>
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<a name="l00220"></a>00220             {
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<a name="l00221"></a>00221             iText.Zero();
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<a name="l00222"></a>00222             }
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<a name="l00223"></a>00223         }
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<a name="l00224"></a>00224     <span class="keywordflow">else</span>
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<a name="l00225"></a>00225         {
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<a name="l00226"></a>00226         iText.Zero();
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<a name="l00227"></a>00227         }
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<a name="l00228"></a>00228     }
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<a name="l00229"></a>00229 
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<a name="l00230"></a>00230 <span class="comment">// ------------------------------------------------------------</span>
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<a name="l00231"></a>00231 <span class="comment">// TInt CInternetEmailContainer::MdcaCount() const</span>
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<a name="l00232"></a>00232 <span class="comment">//  From MDesCArray. Handles counting of array items from model</span>
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<a name="l00233"></a>00233 <span class="comment">// ------------------------------------------------------------</span>
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<a name="l00234"></a>00234 <span class="comment">//</span>
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<a name="l00235"></a>00235 TInt CInternetEmailContainer::MdcaCount()<span class="keyword"> const</span>
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<a name="l00236"></a>00236 <span class="keyword">    </span>{
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<a name="l00237"></a>00237     <span class="keywordflow">return</span> iParent-&gt;Model()-&gt;RemoteEmailCount();
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<a name="l00238"></a>00238     }
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<a name="l00239"></a>00239 
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<a name="l00240"></a>00240 <span class="comment">// -----------------------------------------------------------</span>
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<a name="l00241"></a>00241 <span class="comment">// TPtrC CInternetEmailContainer::MdcaPoint(TInt aIndex) const</span>
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<a name="l00242"></a>00242 <span class="comment">//  From MDesCArray. Handles the insertion of needed text from</span>
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<a name="l00243"></a>00243 <span class="comment">//  model to pointed member of array.</span>
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<a name="l00244"></a>00244 <span class="comment">// -----------------------------------------------------------</span>
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<a name="l00245"></a>00245 <span class="comment">//</span>
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<a name="l00246"></a>00246 TPtrC CInternetEmailContainer::MdcaPoint(TInt aIndex)<span class="keyword"> const</span>
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<a name="l00247"></a>00247 <span class="keyword">    </span>{
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<a name="l00248"></a>00248     EntryToListbox(aIndex);
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<a name="l00249"></a>00249     <span class="keywordflow">return</span> iText;
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<a name="l00250"></a>00250     }
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<a name="l00251"></a>00251 
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<a name="l00252"></a>00252 <span class="comment">// -------------------------------------------------</span>
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<a name="l00253"></a>00253 <span class="comment">// void CInternetEmailContainer::MailCountChange()</span>
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<a name="l00254"></a>00254 <span class="comment">//  Public funtion called from engine observer</span>
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<a name="l00255"></a>00255 <span class="comment">//  callback handlers when model changes are</span>
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<a name="l00256"></a>00256 <span class="comment">//  occurring.</span>
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<a name="l00257"></a>00257 <span class="comment">// -------------------------------------------------</span>
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<a name="l00258"></a>00258 <span class="comment">//</span>
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<a name="l00259"></a><a class="code" href="class_c_internet_email_container.html#a80c4ff6aab56e22e050cd48003be55c0">00259</a> <span class="keywordtype">void</span> <a class="code" href="class_c_internet_email_container.html#a80c4ff6aab56e22e050cd48003be55c0">CInternetEmailContainer::MailCountChange</a>()
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<a name="l00260"></a>00260     {
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<a name="l00261"></a>00261     iListBox-&gt;HandleItemAdditionL();
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<a name="l00262"></a>00262 
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<a name="l00263"></a>00263     <span class="comment">//a trick to set default selection when model changes from N to 1</span>
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<a name="l00264"></a>00264     TInt currentItem = iListBox-&gt;CurrentItemIndex();
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<a name="l00265"></a>00265     <span class="keywordflow">if</span>(currentItem&gt;=0 &amp;&amp; currentItem&lt;iParent-&gt;Model()-&gt;RemoteEmailCount())
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<a name="l00266"></a>00266         {
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<a name="l00267"></a>00267         <span class="keywordflow">if</span>( iListBox-&gt;ScrollBarFrame() )
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<a name="l00268"></a>00268             {
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<a name="l00269"></a>00269             iListBox-&gt;ScrollBarFrame()-&gt;MoveVertThumbTo( currentItem );
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<a name="l00270"></a>00270             }
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<a name="l00271"></a>00271         }
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<a name="l00272"></a>00272     }
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<a name="l00273"></a>00273 
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<a name="l00274"></a>00274 
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<a name="l00275"></a>00275 <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>