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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>ChatContainer.cpp Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"><tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a>S60 3rd Edition SDK FP1 for Symbian OS </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>ChatContainer.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">* ==============================================================================</span><a name="l00003"></a>00003 <span class="comment">* Name : ChatContainer.cpp</span><a name="l00004"></a>00004 <span class="comment">* Part of : Chat</span><a name="l00005"></a>00005 <span class="comment">* Interface : </span><a name="l00006"></a>00006 <span class="comment">* Description : </span><a name="l00007"></a>00007 <span class="comment">* Version : </span><a name="l00008"></a>00008 <span class="comment">*</span><a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2005-2006 Nokia Corporation.</span><a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related </span><a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by </span><a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span><a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span><a name="l00014"></a>00014 <span class="comment">*/</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="comment">// INCLUDE FILES</span><a name="l00017"></a>00017 <span class="preprocessor">#include "ChatContainer.h"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "Chat.pan"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "Chat.hrh"</span><a name="l00020"></a>00020 <span class="preprocessor">#include "ChatProtocolConstants.h"</span><a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="comment">// ============================ MEMBER FUNCTIONS ==============================</span><a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00025"></a>00025 <span class="comment">// CChatContainer::NewL()</span><a name="l00026"></a>00026 <span class="comment">// Two-phased constructor.</span><a name="l00027"></a>00027 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00028"></a>00028 <span class="comment">//</span><a name="l00029"></a><a class="code" href="class_c_chat_container.html#5891ab00f23b517058efe213c1febfd2">00029</a> <a class="code" href="class_c_chat_container.html">CChatContainer</a>* <a class="code" href="class_c_chat_container.html#5891ab00f23b517058efe213c1febfd2">CChatContainer::NewL</a>( <span class="keyword">const</span> TRect& aRect )<a name="l00030"></a>00030 {<a name="l00031"></a>00031 <a class="code" href="class_c_chat_container.html">CChatContainer</a>* <span class="keyword">self</span> = <a class="code" href="class_c_chat_container.html#910d18e663ad77c3995c0313f3bd65bd">CChatContainer::NewLC</a>( aRect );<a name="l00032"></a>00032 CleanupStack::Pop( <span class="keyword">self</span> );<a name="l00033"></a>00033 <span class="keywordflow">return</span> <span class="keyword">self</span>;<a name="l00034"></a>00034 }<a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00037"></a>00037 <span class="comment">// CChatContainer::NewLC()</span><a name="l00038"></a>00038 <span class="comment">// Two-phased constructor.</span><a name="l00039"></a>00039 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00040"></a>00040 <span class="comment">//</span><a name="l00041"></a><a class="code" href="class_c_chat_container.html#910d18e663ad77c3995c0313f3bd65bd">00041</a> <a class="code" href="class_c_chat_container.html">CChatContainer</a>* <a class="code" href="class_c_chat_container.html#910d18e663ad77c3995c0313f3bd65bd">CChatContainer::NewLC</a>( <span class="keyword">const</span> TRect& aRect )<a name="l00042"></a>00042 {<a name="l00043"></a>00043 <a class="code" href="class_c_chat_container.html">CChatContainer</a>* <span class="keyword">self</span> = <span class="keyword">new</span> ( ELeave ) <a class="code" href="class_c_chat_container.html">CChatContainer</a>;<a name="l00044"></a>00044 CleanupStack::PushL( <span class="keyword">self</span> );<a name="l00045"></a>00045 <span class="keyword">self</span>-><a class="code" href="class_c_chat_container.html#bf31593b337cbf3fb671382cf773281c">ConstructL</a>( aRect );<a name="l00046"></a>00046 <span class="keywordflow">return</span> <span class="keyword">self</span>;<a name="l00047"></a>00047 }<a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00050"></a>00050 <span class="comment">// CChatContainer::ConstructL()</span><a name="l00051"></a>00051 <span class="comment">// Symbian 2nd phase constructor can leave.</span><a name="l00052"></a>00052 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00053"></a>00053 <span class="comment">//</span><a name="l00054"></a><a class="code" href="class_c_chat_container.html#bf31593b337cbf3fb671382cf773281c">00054</a> <span class="keywordtype">void</span> <a class="code" href="class_c_chat_container.html#bf31593b337cbf3fb671382cf773281c">CChatContainer::ConstructL</a>( <span class="keyword">const</span> TRect& aRect )<a name="l00055"></a>00055 {<a name="l00056"></a>00056 <span class="comment">// Create a window for this application view</span><a name="l00057"></a>00057 CreateWindowL();<a name="l00058"></a>00058 <a name="l00059"></a>00059 <span class="comment">// Set the windows size</span><a name="l00060"></a>00060 SetRect( aRect );<a name="l00061"></a>00061 <a name="l00062"></a>00062 <span class="comment">// Create a control to display a list of messages</span><a name="l00063"></a>00063 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a> = <span class="keyword">new</span> ( ELeave ) CAknSingleNumberStyleListBox;<a name="l00064"></a>00064 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->SetContainerWindowL( *<span class="keyword">this</span> );<a name="l00065"></a>00065 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->ConstructL( <span class="keyword">this</span>, 0 );<a name="l00066"></a>00066 <a name="l00067"></a>00067 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->SetRect( aRect.Size() );<a name="l00068"></a>00068 <a name="l00069"></a>00069 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->ActivateL();<a name="l00070"></a>00070 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->CreateScrollBarFrameL( ETrue );<a name="l00071"></a>00071 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->ScrollBarFrame()->SetScrollBarVisibilityL(<a name="l00072"></a>00072 CEikScrollBarFrame::EOn, <a name="l00073"></a>00073 CEikScrollBarFrame::EAuto );<a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="comment">// Create an array to hold the messages</span><a name="l00076"></a>00076 <a class="code" href="class_c_chat_container.html#6bbe9a7332aad924e2907ed051176a63">iMessageList</a> = <span class="keyword">new</span> ( ELeave ) CDesCArrayFlat( KMessageListLen );<a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="comment">// Give it to the control</span><a name="l00079"></a>00079 CTextListBoxModel* model = <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->Model();<a name="l00080"></a>00080 model->SetItemTextArray( <a class="code" href="class_c_chat_container.html#6bbe9a7332aad924e2907ed051176a63">iMessageList</a> );<a name="l00081"></a>00081 <a name="l00082"></a>00082 <span class="comment">// transfer ownership of iMessageList</span><a name="l00083"></a>00083 model->SetOwnershipType( ELbmOwnsItemArray );<a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="comment">// Activate the window, which makes it ready to be drawn</span><a name="l00086"></a>00086 ActivateL();<a name="l00087"></a>00087 }<a name="l00088"></a>00088 <a name="l00089"></a>00089 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00090"></a>00090 <span class="comment">// CChatContainer::CChatContainer()</span><a name="l00091"></a>00091 <span class="comment">// Constructor.</span><a name="l00092"></a>00092 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00093"></a>00093 <span class="comment">//</span><a name="l00094"></a><a class="code" href="class_c_chat_container.html#0cbf5860a600adf643fa68b1ce01134b">00094</a> <a class="code" href="class_c_chat_container.html#0cbf5860a600adf643fa68b1ce01134b">CChatContainer::CChatContainer</a>()<a name="l00095"></a>00095 {<a name="l00096"></a>00096 <span class="comment">// no implementation required</span><a name="l00097"></a>00097 }<a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00100"></a>00100 <span class="comment">// CChatContainer::~CChatContainer()</span><a name="l00101"></a>00101 <span class="comment">// Destructor.</span><a name="l00102"></a>00102 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00103"></a>00103 <span class="comment">//</span><a name="l00104"></a><a class="code" href="class_c_chat_container.html#005a5e19333dd224d6e2b10bd4b99b65">00104</a> <a class="code" href="class_c_chat_container.html#005a5e19333dd224d6e2b10bd4b99b65">CChatContainer::~CChatContainer</a>()<a name="l00105"></a>00105 {<a name="l00106"></a>00106 <span class="comment">// iMessageList not deleted as it is owned by iListBox->Model()</span><a name="l00107"></a>00107 <span class="keyword">delete</span> <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>;<a name="l00108"></a>00108 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a> = NULL;<a name="l00109"></a>00109 }<a name="l00110"></a>00110 <a name="l00111"></a>00111 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00112"></a>00112 <span class="comment">// CChatContainer::ClearMessageListL()</span><a name="l00113"></a>00113 <span class="comment">// Clears all the entries in the list view.</span><a name="l00114"></a>00114 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00115"></a>00115 <span class="comment">//</span><a name="l00116"></a><a class="code" href="class_c_chat_container.html#2582049f378fb3c4dd54cdf08c24fe75">00116</a> <span class="keywordtype">void</span> <a class="code" href="class_c_chat_container.html#2582049f378fb3c4dd54cdf08c24fe75">CChatContainer::ClearMessageListL</a>()<a name="l00117"></a>00117 {<a name="l00118"></a>00118 <a class="code" href="class_c_chat_container.html#6bbe9a7332aad924e2907ed051176a63">iMessageList</a>->Reset();<a name="l00119"></a>00119 <a name="l00120"></a>00120 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->HandleItemRemovalL();<a name="l00121"></a>00121 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->Reset();<a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="comment">// tell the control about the change</span><a name="l00124"></a>00124 <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>->HandleItemAdditionL();<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">// CChatContainer::CountComponentControls()</span><a name="l00129"></a>00129 <span class="comment">// Returns the specified component control.</span><a name="l00130"></a>00130 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00131"></a>00131 <span class="comment">//</span><a name="l00132"></a><a class="code" href="class_c_chat_container.html#195be64c0e5b9f91ce87699e499af01c">00132</a> TInt <a class="code" href="class_c_chat_container.html#195be64c0e5b9f91ce87699e499af01c">CChatContainer::CountComponentControls</a>()<span class="keyword"> const</span><a name="l00133"></a>00133 <span class="keyword"> </span>{<a name="l00134"></a>00134 <span class="keywordflow">return</span> 1; <span class="comment">// Only have one Component</span><a name="l00135"></a>00135 }<a name="l00136"></a>00136 <a name="l00137"></a>00137 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00138"></a>00138 <span class="comment">// CChatContainer::ComponentControl()</span><a name="l00139"></a>00139 <span class="comment">// Gets the specified component of a compound control.</span><a name="l00140"></a>00140 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00141"></a>00141 <span class="comment">//</span><a name="l00142"></a><a class="code" href="class_c_chat_container.html#c1d1ba8d1c19e939c47fb73d50cb5432">00142</a> CCoeControl* <a class="code" href="class_c_chat_container.html#c1d1ba8d1c19e939c47fb73d50cb5432">CChatContainer::ComponentControl</a>( TInt aIndex )<span class="keyword"> const</span><a name="l00143"></a>00143 <span class="keyword"> </span>{<a name="l00144"></a>00144 __ASSERT_ALWAYS( aIndex == 0, Panic( EChatInvalidControlIndex ) );<a name="l00145"></a>00145 <span class="keywordflow">return</span> <a class="code" href="class_c_chat_container.html#a4fe3028661554d5362654dd3ab592f6">iListBox</a>; <span class="comment">// Return the component</span><a name="l00146"></a>00146 }<a name="l00147"></a>00147 <a name="l00148"></a>00148 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00149"></a>00149 <span class="comment">// CChatContainer::OfferKeyEventL()</span><a name="l00150"></a>00150 <span class="comment">// Offer the key event to the list box.</span><a name="l00151"></a>00151 <span class="comment">// ----------------------------------------------------------------------------</span><a name="l00152"></a>00152 <span class="comment">//</span><a name="l00153"></a>00153 TKeyResponse <a class="code" href="class_c_chat_container.html#6775621e6d3ce05d6685555c939c7706">CChatContainer</a>⌨️ 快捷键说明
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