Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_task_manager_app_view_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<title>TB9.2 Example Applications: examples/ForumNokia/Symbian_OS_End-to-End_Sockets_API_Example/SocketTaskManager_S60/src/TaskManagerAppView.cpp Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.6.2 -->
<h1>examples/ForumNokia/Symbian_OS_End-to-End_Sockets_API_Example/SocketTaskManager_S60/src/TaskManagerAppView.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 : CTaskManagerAppView from TaskManagerAppView.cpp</span>
<a name="l00004"></a>00004 <span class="comment">* Part of : TaskManager</span>
<a name="l00005"></a>00005 <span class="comment">* Created : 15/03/2006 by Forum Nokia</span>
<a name="l00006"></a>00006 <span class="comment">* Version : 1.2</span>
<a name="l00007"></a>00007 <span class="comment">* Copyright: Nokia Corporation</span>
<a name="l00008"></a>00008 <span class="comment">* ============================================================================</span>
<a name="l00009"></a>00009 <span class="comment">*/</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">// INCLUDE FILES</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include "TaskManager.hrh"</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "TaskManagerAppView.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "TaskManagerAppUi.h"</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "Response.h"</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#include <coemain.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <aknlists.h></span> <span class="comment">// CAknSingleStyleListBox</span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <barsread.h></span> <span class="comment">// TResourceReader</span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <aknnotewrappers.h></span> <span class="comment">// CAknInformationNote</span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <SocketTaskManager.rsg></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <stringloader.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <e32std.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <aknquerydialog.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">// CONSTANTS</span>
<a name="l00027"></a>00027 <span class="preprocessor">#define KListPosition TPoint(0,0)</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTab, <span class="stringliteral">"\t"</span>);
<a name="l00029"></a>00029 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KError, <span class="stringliteral">"Error: %d"</span>);
<a name="l00030"></a>00030 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KNoTasks, <span class="stringliteral">"No Tasks!"</span>);
<a name="l00031"></a>00031 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KLoadingTasks, <span class="stringliteral">"Loading tasks..."</span>);
<a name="l00032"></a>00032 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KCompletingTask, <span class="stringliteral">"Completing task..."</span>);
<a name="l00033"></a>00033 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTaskCompleted, <span class="stringliteral">"\n\nTask completed?"</span>);
<a name="l00034"></a>00034 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KInvalidTask, <span class="stringliteral">"Invalid task. Cannot complete."</span>);
<a name="l00035"></a>00035 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTaskFormat, <span class="stringliteral">"%d\t%S"</span>);
<a name="l00036"></a>00036 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KOpeningConnection, <span class="stringliteral">"Opening connection..."</span>);
<a name="l00037"></a>00037 <span class="keyword">const</span> TInt KMaxErrorLength = 30;
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// constructor</span>
<a name="l00043"></a>00043 CTaskManagerAppView::CTaskManagerAppView(<a class="code" href="class_c_task_manager_app_ui.html">CTaskManagerAppUi</a>& aAppUi)
<a name="l00044"></a>00044 : iAppUi(aAppUi)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 iStatusText = KNoTasks;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">// destructor</span>
<a name="l00050"></a><a class="code" href="class_c_task_manager_app_view.html#a2fec54dd94b55b4eb82d3c41613d191c">00050</a> <a class="code" href="class_c_task_manager_app_view.html#a2fec54dd94b55b4eb82d3c41613d191c">CTaskManagerAppView::~CTaskManagerAppView</a>()
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keyword">delete</span> iTaskList;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="comment">// ----------------------------------------------------</span>
<a name="l00056"></a>00056 <span class="comment">// CTaskManagerAppView::NewL()</span>
<a name="l00057"></a>00057 <span class="comment">// Two-phased constructor.</span>
<a name="l00058"></a>00058 <span class="comment">// ----------------------------------------------------</span>
<a name="l00059"></a>00059 <span class="comment">//</span>
<a name="l00060"></a><a class="code" href="class_c_task_manager_app_view.html#a802f937d671232482ae704ce67c494c0">00060</a> <a class="code" href="class_c_task_manager_app_view.html">CTaskManagerAppView</a> *<a class="code" href="class_c_task_manager_app_view.html#a802f937d671232482ae704ce67c494c0">CTaskManagerAppView::NewL</a>(<span class="keyword">const</span> TRect& aRect, <a class="code" href="class_c_task_manager_app_ui.html">CTaskManagerAppUi</a>& aAppUi)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <a class="code" href="class_c_task_manager_app_view.html">CTaskManagerAppView</a> *<span class="keyword">self</span> = <span class="keyword">new</span>(ELeave) <a class="code" href="class_c_task_manager_app_view.html">CTaskManagerAppView</a>(aAppUi);
<a name="l00063"></a>00063 CleanupStack::PushL(<span class="keyword">self</span>);
<a name="l00064"></a>00064 <span class="keyword">self</span>->ConstructL(aRect);
<a name="l00065"></a>00065 CleanupStack::Pop(<span class="keyword">self</span>);
<a name="l00066"></a>00066 <span class="keywordflow">return</span> <span class="keyword">self</span>;
<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">// CTaskManagerAppView::ConstructL()</span>
<a name="l00071"></a>00071 <span class="comment">// Symbian OS default constructor can leave.</span>
<a name="l00072"></a>00072 <span class="comment">// ----------------------------------------------------</span>
<a name="l00073"></a>00073 <span class="comment">// </span>
<a name="l00074"></a>00074 <span class="keywordtype">void</span> CTaskManagerAppView::ConstructL(<span class="keyword">const</span> TRect& aRect)
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 <span class="comment">// Create a window for this application view</span>
<a name="l00077"></a>00077 CreateWindowL();
<a name="l00078"></a>00078
<a name="l00079"></a>00079 CreateListL();
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="comment">// Set the windows size</span>
<a name="l00082"></a>00082 SetRect(aRect);
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">// Activate the window, which makes it ready to be drawn</span>
<a name="l00085"></a>00085 ActivateL();
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="comment">// ----------------------------------------------------</span>
<a name="l00089"></a>00089 <span class="comment">// CTaskManagerAppView::ConstructL()</span>
<a name="l00090"></a>00090 <span class="comment">// Creates a listbox that is used for showing the tasks</span>
<a name="l00091"></a>00091 <span class="comment">// to the user.</span>
<a name="l00092"></a>00092 <span class="comment">// ----------------------------------------------------</span>
<a name="l00093"></a>00093 <span class="comment">//</span>
<a name="l00094"></a>00094 <span class="keywordtype">void</span> CTaskManagerAppView::CreateListL()
<a name="l00095"></a>00095 {
<a name="l00096"></a>00096 iTaskList = <span class="keyword">new</span> (ELeave) CAknSingleStyleListBox;
<a name="l00097"></a>00097 iTaskList->SetContainerWindowL( *<span class="keyword">this</span> );
<a name="l00098"></a>00098
<a name="l00099"></a>00099 iTaskList->SetListBoxObserver( <span class="keyword">this</span> );
<a name="l00100"></a>00100
<a name="l00101"></a>00101 TResourceReader reader;
<a name="l00102"></a>00102 iEikonEnv->CreateResourceReaderLC( reader, R_TASKMANAGER_TASKLIST );
<a name="l00103"></a>00103 iTaskList->ConstructFromResourceL( reader );
<a name="l00104"></a>00104
<a name="l00105"></a>00105 iTaskList->MakeVisible( EFalse );
<a name="l00106"></a>00106
<a name="l00107"></a>00107 CleanupStack::PopAndDestroy(); <span class="comment">// ResourceReader</span>
<a name="l00108"></a>00108 }
<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">// CTaskManagerAppView::Draw()</span>
<a name="l00113"></a>00113 <span class="comment">// This function is used for window server-initiated </span>
<a name="l00114"></a>00114 <span class="comment">// redrawing of controls, and for some </span>
<a name="l00115"></a>00115 <span class="comment">// application-initiated drawing. Here we show the </span>
<a name="l00116"></a>00116 <span class="comment">// status text to the user.</span>
<a name="l00117"></a>00117 <span class="comment">// ----------------------------------------------------</span>
<a name="l00118"></a>00118 <span class="comment">//</span>
<a name="l00119"></a>00119 <span class="keywordtype">void</span> CTaskManagerAppView::Draw(<span class="keyword">const</span> TRect& <span class="comment">/*aRect*/</span>)<span class="keyword"> const</span>
<a name="l00120"></a>00120 <span class="keyword"> </span>{
<a name="l00121"></a>00121 <span class="comment">// Get the standard graphics context </span>
<a name="l00122"></a>00122 CWindowGc &gc = SystemGc();
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">// Gets the control's extent</span>
<a name="l00125"></a>00125 TRect rect = Rect();
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="comment">// Clears the screen</span>
<a name="l00128"></a>00128 gc.Clear(rect);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// status text is showed only if iTaskList isn't visible</span>
<a name="l00131"></a>00131 <span class="keywordflow">if</span>( !iTaskList->IsVisible() )
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 gc.UseFont( iCoeEnv->NormalFont() );
<a name="l00134"></a>00134
<a name="l00135"></a>00135 <span class="comment">// This is done to center the text</span>
<a name="l00136"></a>00136 TInt pointX = rect.Width() / 2 -
<a name="l00137"></a>00137 iCoeEnv->NormalFont()->TextWidthInPixels( iStatusText ) / 2;
<a name="l00138"></a>00138
<a name="l00139"></a>00139 TInt pointY = rect.Height() / 2 -
<a name="l00140"></a>00140 iCoeEnv->NormalFont()->HeightInPixels() / 2;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 gc.DrawText( iStatusText, TPoint( pointX, pointY ) );
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">// ----------------------------------------------------</span>
<a name="l00148"></a>00148 <span class="comment">// CTaskManagerAppView::HandleListBoxEventL()</span>
<a name="l00149"></a>00149 <span class="comment">// Handles list box events. When enter key is pressed, </span>
<a name="l00150"></a>00150 <span class="comment">// the selected task is marked completed.</span>
<a name="l00151"></a>00151 <span class="comment">// ----------------------------------------------------</span>
<a name="l00152"></a>00152 <span class="comment">//</span>
<a name="l00153"></a>00153 <span class="keywordtype">void</span> CTaskManagerAppView::HandleListBoxEventL(CEikListBox* aListBox,
<a name="l00154"></a>00154 TListBoxEvent aListBoxEvent)
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 <span class="keywordflow">if</span>( aListBoxEvent == MEikListBoxObserver::EEventEnterKeyPressed )
<a name="l00157"></a>00157 {
<a name="l00158"></a>00158
<a name="l00159"></a>00159 <span class="keyword">const</span> MDesCArray* items = aListBox->Model()->MatchableTextArray();
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="comment">// We get the currently selected item's text to print it in a query</span>
<a name="l00162"></a>00162 TPtrC pointer = items->MdcaPoint( aListBox->CurrentItemIndex() );
<a name="l00163"></a>00163
<a name="l00164"></a>00164 TInt tabOffSet = pointer.Find(KTab);
<a name="l00165"></a>00165 <span class="comment">// id of the task was not found.</span>
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (tabOffSet == KErrNotFound || tabOffSet == 0)
<a name="l00167"></a>00167 {
<a name="l00168"></a>00168 CAknInformationNote *informationNote = <span class="keyword">new</span>(ELeave) CAknInformationNote;
<a name="l00169"></a>00169 informationNote->ExecuteLD(KInvalidTask);
<a name="l00170"></a>00170 <span class="keywordflow">return</span>;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 TLex lex(pointer.Left(tabOffSet));
<a name="l00174"></a>00174 TInt taskId;
<a name="l00175"></a>00175 User::LeaveIfError(lex.Val(taskId));
<a name="l00176"></a>00176
<a name="l00177"></a>00177 <span class="comment">// (KMaxTaskLength +20) space for task and KTaskCompleted</span>
<a name="l00178"></a>00178 TBuf<KMaxTaskLength + 20> message = pointer.Mid(tabOffSet+1);
<a name="l00179"></a>00179 message.Append( KTaskCompleted );
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="comment">// A waiting confirmation note</span>
<a name="l00182"></a>00182 CAknQueryDialog* note = <a class="code" href="class_c_task_manager_app_view.html#a802f937d671232482ae704ce67c494c0">CAknQueryDialog::NewL</a>();
<a name="l00183"></a>00183 CleanupStack::PushL(note);
<a name="l00184"></a>00184 note->SetPromptL( message );
<a name="l00185"></a>00185 CleanupStack::Pop(note);
<a name="l00186"></a>00186
<a name="l00187"></a>00187 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#aebc6058f351af6c9ffc7ed49ab4ff23e">SetViewBusyL</a>(ETrue);
<a name="l00188"></a>00188
<a name="l00189"></a>00189 <span class="comment">// The query is shown</span>
<a name="l00190"></a>00190 <span class="keywordflow">if</span>( note->ExecuteLD( R_TASKMANAGER_TASK_CONFIRMATION_QUERY ) )
<a name="l00191"></a>00191 {
<a name="l00192"></a>00192 <span class="comment">// show 'Completing task' to the user.</span>
<a name="l00193"></a>00193 ShowStatus(KCompletingTask);
<a name="l00194"></a>00194
<a name="l00195"></a>00195 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(ETrue);
<a name="l00196"></a>00196 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#adcfb1c96ab3e4192a8f74e94db33a5df">Model</a>().<a class="code" href="class_c_task_manager_engine.html#aa8b954c7dfd4859d7a6bbf82174e9d48">MarkTaskDoneL</a>(taskId);
<a name="l00197"></a>00197 iTransactionStatus = EMarkingTaskDone;
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#aebc6058f351af6c9ffc7ed49ab4ff23e">SetViewBusyL</a>(EFalse);
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202 }
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="comment">// ----------------------------------------------------</span>
<a name="l00205"></a>00205 <span class="comment">// CTaskManagerAppView::DeleteSelectedTaskL()</span>
<a name="l00206"></a>00206 <span class="comment">// Removes the selected task from the listbox.</span>
<a name="l00207"></a>00207 <span class="comment">// ----------------------------------------------------</span>
<a name="l00208"></a>00208 <span class="comment">//</span>
<a name="l00209"></a>00209 <span class="keywordtype">void</span> CTaskManagerAppView::DeleteSelectedTaskL()
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 CTextListBoxModel* model = iTaskList->Model();
<a name="l00212"></a>00212 CDesCArray* itemArray = <span class="keyword">static_cast<</span>CDesCArray*<span class="keyword">></span>( model->ItemTextArray() );
<a name="l00213"></a>00213
<a name="l00214"></a>00214 TInt currentItem = iTaskList->CurrentItemIndex();
<a name="l00215"></a>00215
<a name="l00216"></a>00216 itemArray->Delete( currentItem );
<a name="l00217"></a>00217
<a name="l00218"></a>00218 AknListBoxUtils::HandleItemRemovalAndPositionHighlightL( iTaskList,
<a name="l00219"></a>00219 currentItem,
<a name="l00220"></a>00220 ETrue );
<a name="l00221"></a>00221
<a name="l00222"></a>00222 iTaskList->DrawNow();
<a name="l00223"></a>00223
<a name="l00224"></a>00224 <span class="comment">// no more tasks, show 'No tasks' to user. </span>
<a name="l00225"></a>00225 <span class="keywordflow">if</span>( model->NumberOfItems() == 0 )
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 iTaskList->MakeVisible( EFalse );
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">// ----------------------------------------------------</span>
<a name="l00232"></a>00232 <span class="comment">// CTaskManagerAppView::ReadTasksL()</span>
<a name="l00233"></a>00233 <span class="comment">// Reads tasks from aResponse and adds them to the listbox.</span>
<a name="l00234"></a>00234 <span class="comment">// ----------------------------------------------------</span>
<a name="l00235"></a>00235 <span class="comment">//</span>
<a name="l00236"></a>00236 <span class="keywordtype">void</span> CTaskManagerAppView::ReadTasksL( <span class="keyword">const</span> <a class="code" href="class_c_response.html">CResponse</a>& aResponse )
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 CTextListBoxModel* model = iTaskList->Model();
<a name="l00239"></a>00239
<a name="l00240"></a>00240 model->SetOwnershipType( ELbmOwnsItemArray ); <span class="comment">// Just to underline the relation</span>
<a name="l00241"></a>00241 CDesCArray* itemArray = <span class="keyword">static_cast<</span>CDesCArray*<span class="keyword">></span>( model->ItemTextArray() );
<a name="l00242"></a>00242
<a name="l00243"></a>00243 itemArray->Reset();
<a name="l00244"></a>00244
<a name="l00245"></a>00245 TInt taskCount = aResponse.<a class="code" href="class_c_response.html#a7f13737551cb7c1a5dce6b901f1892b6">TaskCount</a>();
<a name="l00246"></a>00246 <span class="comment">// reserve space for task description and for taskid</span>
<a name="l00247"></a>00247 TBuf<KMaxTaskLength+10> taskDesc;
<a name="l00248"></a>00248 <span class="keywordflow">for</span> (TInt i = 0; i < taskCount; i++)
<a name="l00249"></a>00249 {
<a name="l00250"></a>00250 TBuf<KMaxTaskLength> desc = aResponse.<a class="code" href="class_c_response.html#a4bd26f70c829e7f88367457b445c2ce2">TaskDescription</a>(i);
<a name="l00251"></a>00251 taskDesc.Format(KTaskFormat, aResponse.<a class="code" href="class_c_response.html#a95771f9a7090029b7ff675553432adcf">TaskId</a>(i), &desc);
<a name="l00252"></a>00252 itemArray->AppendL(taskDesc);
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="comment">// If there are items in the listbox, make the listbox visible.</span>
<a name="l00256"></a>00256 <span class="keywordflow">if</span>( model->NumberOfItems() > 0 )
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 iTaskList->HandleItemAdditionL();
<a name="l00259"></a>00259 iTaskList->DrawNow();
<a name="l00260"></a>00260 iTaskList->MakeVisible( ETrue );
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 }
<a name="l00263"></a>00263
<a name="l00264"></a>00264 <span class="comment">// ----------------------------------------------------</span>
<a name="l00265"></a>00265 <span class="comment">// CTaskManagerAppView::CountComponentControls()</span>
<a name="l00266"></a>00266 <span class="comment">// Gets the number of controls contained in a compound </span>
<a name="l00267"></a>00267 <span class="comment">// control. </span>
<a name="l00268"></a>00268 <span class="comment">// ----------------------------------------------------</span>
<a name="l00269"></a>00269 <span class="comment">//</span>
<a name="l00270"></a>00270 TInt CTaskManagerAppView::CountComponentControls()<span class="keyword"> const</span>
<a name="l00271"></a>00271 <span class="keyword"> </span>{
<a name="l00272"></a>00272 TInt count = 0;
<a name="l00273"></a>00273 <span class="keywordflow">if</span> (iTaskList)
<a name="l00274"></a>00274 {
<a name="l00275"></a>00275 count++;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278 <span class="keywordflow">return</span> count;
<a name="l00279"></a>00279 }
<a name="l00280"></a>00280
<a name="l00281"></a>00281 <span class="comment">// ----------------------------------------------------</span>
<a name="l00282"></a>00282 <span class="comment">// CTaskManagerAppView::ComponentControl()</span>
<a name="l00283"></a>00283 <span class="comment">// Gets the specified component of a compound control.</span>
<a name="l00284"></a>00284 <span class="comment">// ----------------------------------------------------</span>
<a name="l00285"></a>00285 <span class="comment">//</span>
<a name="l00286"></a>00286 CCoeControl* CTaskManagerAppView::ComponentControl( TInt aIndex )<span class="keyword"> const</span>
<a name="l00287"></a>00287 <span class="keyword"> </span>{
<a name="l00288"></a>00288 <span class="keywordflow">switch</span>( aIndex )
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">case</span> 0:
<a name="l00291"></a>00291 <span class="keywordflow">return</span> iTaskList;
<a name="l00292"></a>00292 <span class="keywordflow">default</span>:
<a name="l00293"></a>00293 <span class="keywordflow">return</span> 0;
<a name="l00294"></a>00294 };
<a name="l00295"></a>00295 }
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <span class="comment">// ----------------------------------------------------</span>
<a name="l00298"></a>00298 <span class="comment">// CTaskManagerAppView::SizeChanged()</span>
<a name="l00299"></a>00299 <span class="comment">// Responds to size changes to sets the size and </span>
<a name="l00300"></a>00300 <span class="comment">// position of the contents of this control. </span>
<a name="l00301"></a>00301 <span class="comment">// ----------------------------------------------------</span>
<a name="l00302"></a>00302 <span class="comment">// </span>
<a name="l00303"></a>00303 <span class="keywordtype">void</span> CTaskManagerAppView::SizeChanged()
<a name="l00304"></a>00304 {
<a name="l00305"></a>00305 iTaskList->SetExtent( KListPosition, iTaskList->MinimumSize() );
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <span class="comment">// ----------------------------------------------------</span>
<a name="l00309"></a>00309 <span class="comment">// CTaskManagerAppView::OfferKeyEventL()</span>
<a name="l00310"></a>00310 <span class="comment">// When a key event occurs, the control framework calls </span>
<a name="l00311"></a>00311 <span class="comment">// this function for each control on the control stack, </span>
<a name="l00312"></a>00312 <span class="comment">// until one of them can process the key event </span>
<a name="l00313"></a>00313 <span class="comment">// (and returns EKeyWasConsumed).</span>
<a name="l00314"></a>00314 <span class="comment">// ----------------------------------------------------</span>
<a name="l00315"></a>00315 <span class="comment">// </span>
<a name="l00316"></a>00316 TKeyResponse CTaskManagerAppView::OfferKeyEventL( <span class="keyword">const</span> TKeyEvent& aKeyEvent,
<a name="l00317"></a>00317 TEventCode aType )
<a name="l00318"></a>00318 {
<a name="l00319"></a>00319 <span class="keywordflow">if</span>( iTaskList && iTaskList->IsVisible() )
<a name="l00320"></a>00320 {
<a name="l00321"></a>00321 <span class="keywordflow">return</span> iTaskList->OfferKeyEventL( aKeyEvent, aType );
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 <span class="keywordflow">else</span>
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <span class="comment">// ----------------------------------------------------</span>
<a name="l00330"></a>00330 <span class="comment">// CTaskManagerAppView::OpeningConnectionL()</span>
<a name="l00331"></a>00331 <span class="comment">// Called when a GPRS connection is opened.</span>
<a name="l00332"></a>00332 <span class="comment">// ----------------------------------------------------</span>
<a name="l00333"></a>00333 <span class="comment">// </span>
<a name="l00334"></a>00334 <span class="keywordtype">void</span> CTaskManagerAppView::OpeningConnectionL()
<a name="l00335"></a>00335 {
<a name="l00336"></a>00336 ShowStatus(KOpeningConnection);
<a name="l00337"></a>00337 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(ETrue);
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="comment">// ----------------------------------------------------</span>
<a name="l00341"></a>00341 <span class="comment">// CTaskManagerAppView::ConnectingL()</span>
<a name="l00342"></a>00342 <span class="comment">// Called when a transaction is initiated. </span>
<a name="l00343"></a>00343 <span class="comment">// ----------------------------------------------------</span>
<a name="l00344"></a>00344 <span class="comment">//</span>
<a name="l00345"></a>00345 <span class="keywordtype">void</span> CTaskManagerAppView::ConnectingToServerL(<span class="keyword">const</span> TBool& aLoadingTasks)
<a name="l00346"></a>00346 {
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (aLoadingTasks)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 ShowStatus(KLoadingTasks);
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 <span class="keywordflow">else</span>
<a name="l00352"></a>00352 {
<a name="l00353"></a>00353 ShowStatus(KCompletingTask);
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="comment">// show cancel button.</span>
<a name="l00357"></a>00357 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(ETrue);
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="comment">// ----------------------------------------------------</span>
<a name="l00361"></a>00361 <span class="comment">// CTaskManagerAppView::SuccessL()</span>
<a name="l00362"></a>00362 <span class="comment">// Called when the transaction has successfully </span>
<a name="l00363"></a>00363 <span class="comment">// finished. </span>
<a name="l00364"></a>00364 <span class="comment">// ----------------------------------------------------</span>
<a name="l00365"></a>00365 <span class="comment">// </span>
<a name="l00366"></a>00366 <span class="keywordtype">void</span> CTaskManagerAppView::SuccessL(<span class="keyword">const</span> <a class="code" href="class_c_response.html">CResponse</a>& aResponse)
<a name="l00367"></a>00367 {
<a name="l00368"></a>00368 <span class="comment">// even though the transaction was successful, errors might have occurred</span>
<a name="l00369"></a>00369 <span class="comment">// in the server database.</span>
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (aResponse.<a class="code" href="class_c_response.html#aa2c211eba8208a0659bbecc31929a607">HasError</a>())
<a name="l00371"></a>00371 {
<a name="l00372"></a>00372 CAknInformationNote *informationNote = <span class="keyword">new</span>(ELeave) CAknInformationNote;
<a name="l00373"></a>00373 informationNote->ExecuteLD(aResponse.<a class="code" href="class_c_response.html#abcd4ed6c6427bfe23a51989db29bd85e">Error</a>());
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375 <span class="comment">// no errors.</span>
<a name="l00376"></a>00376 <span class="keywordflow">else</span>
<a name="l00377"></a>00377 {
<a name="l00378"></a>00378 <span class="comment">// we were completing a task, remove it from the listbox.</span>
<a name="l00379"></a>00379 <span class="keywordflow">if</span> (iTransactionStatus == EMarkingTaskDone)
<a name="l00380"></a>00380 {
<a name="l00381"></a>00381 iTransactionStatus = EFetchingTasks;
<a name="l00382"></a>00382 DeleteSelectedTaskL();
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384 <span class="comment">// we were loading tasks, show them in the listbox.</span>
<a name="l00385"></a>00385 <span class="keywordflow">else</span>
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 ReadTasksL(aResponse);
<a name="l00388"></a>00388 }
<a name="l00389"></a>00389 }
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="comment">// will show 'No tasks' or if tasks exist, a list of tasks is shown.</span>
<a name="l00392"></a>00392 ShowStatus(KNoTasks);
<a name="l00393"></a>00393
<a name="l00394"></a>00394 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(EFalse);
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396
<a name="l00397"></a>00397 <span class="comment">// ----------------------------------------------------</span>
<a name="l00398"></a>00398 <span class="comment">// CTaskManagerAppView::FailedL()</span>
<a name="l00399"></a>00399 <span class="comment">// Called when the transaction has failed. </span>
<a name="l00400"></a>00400 <span class="comment">// ----------------------------------------------------</span>
<a name="l00401"></a>00401 <span class="comment">// </span>
<a name="l00402"></a>00402 <span class="keywordtype">void</span> CTaskManagerAppView::FailedL(<span class="keyword">const</span> TInt& aError)
<a name="l00403"></a>00403 {
<a name="l00404"></a>00404 TBuf<KMaxErrorLength> error;
<a name="l00405"></a>00405 error.Format(KError, aError);
<a name="l00406"></a>00406 CAknInformationNote *informationNote = <span class="keyword">new</span>(ELeave) CAknInformationNote;
<a name="l00407"></a>00407 informationNote->ExecuteLD(error);
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="comment">// will show 'No tasks' or if tasks exist, a list of tasks is shown.</span>
<a name="l00410"></a>00410 ShowStatus(KNoTasks);
<a name="l00411"></a>00411
<a name="l00412"></a>00412 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(EFalse);
<a name="l00413"></a>00413 }
<a name="l00414"></a>00414
<a name="l00415"></a>00415 <span class="comment">// ----------------------------------------------------</span>
<a name="l00416"></a>00416 <span class="comment">// CTaskManagerAppView::CancelledL()</span>
<a name="l00417"></a>00417 <span class="comment">// Called when the transaction was cancelled by </span>
<a name="l00418"></a>00418 <span class="comment">// the user. </span>
<a name="l00419"></a>00419 <span class="comment">// ----------------------------------------------------</span>
<a name="l00420"></a>00420 <span class="comment">// </span>
<a name="l00421"></a>00421 <span class="keywordtype">void</span> CTaskManagerAppView::CancelledL()
<a name="l00422"></a>00422 {
<a name="l00423"></a>00423 <span class="comment">// will show 'No tasks' or if tasks exist, a list of tasks is shown.</span>
<a name="l00424"></a>00424 ShowStatus(KNoTasks);
<a name="l00425"></a>00425
<a name="l00426"></a>00426 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(EFalse);
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 <span class="comment">// ----------------------------------------------------</span>
<a name="l00430"></a>00430 <span class="comment">// CTaskManagerAppView::ErrorL()</span>
<a name="l00431"></a>00431 <span class="comment">// Called when connection settings are invalid and the </span>
<a name="l00432"></a>00432 <span class="comment">// transaction cannot be initiated. This occurs </span>
<a name="l00433"></a>00433 <span class="comment">// e.g. when username and/or password is not set.</span>
<a name="l00434"></a>00434 <span class="comment">// ----------------------------------------------------</span>
<a name="l00435"></a>00435 <span class="comment">// </span>
<a name="l00436"></a>00436 <span class="keywordtype">void</span> CTaskManagerAppView::ErrorL(<span class="keyword">const</span> TDesC& aErrorMsg)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 CAknInformationNote *informationNote = <span class="keyword">new</span>(ELeave) CAknInformationNote;
<a name="l00439"></a>00439 informationNote->ExecuteLD(aErrorMsg);
<a name="l00440"></a>00440
<a name="l00441"></a>00441 <span class="comment">// will show 'No tasks' or if tasks exist, a list of tasks is shown.</span>
<a name="l00442"></a>00442 ShowStatus(KNoTasks);
<a name="l00443"></a>00443
<a name="l00444"></a>00444 iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#abdc7a4c7340d97f4dfaa839ce5fc0b72">ShowConnectingCbaL</a>(EFalse);
<a name="l00445"></a>00445 }
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="comment">// ----------------------------------------------------</span>
<a name="l00448"></a>00448 <span class="comment">// CTaskManagerAppView::QueryIapL()</span>
<a name="l00449"></a>00449 <span class="comment">// Opens up a querylist dialog containing all IAPs. User </span>
<a name="l00450"></a>00450 <span class="comment">// selects from the list the IAP that he/she wants to use.</span>
<a name="l00451"></a>00451 <span class="comment">// ----------------------------------------------------</span>
<a name="l00452"></a>00452 <span class="comment">// </span>
<a name="l00453"></a><a class="code" href="class_c_task_manager_app_view.html#a5b27559381828a8b4b3b195b25cf32bb">00453</a> TBool <a class="code" href="class_c_task_manager_app_view.html#a5b27559381828a8b4b3b195b25cf32bb">CTaskManagerAppView::QueryIapL</a>(TUint32& aId, <span class="keyword">const</span> TUint32& aDefaultId)
<a name="l00454"></a>00454 {
<a name="l00455"></a>00455 TBool retval = EFalse;
<a name="l00456"></a>00456 RArray<TIap>& iaps = iAppUi.<a class="code" href="class_c_task_manager_app_ui.html#adcfb1c96ab3e4192a8f74e94db33a5df">Model</a>().<a class="code" href="class_c_task_manager_engine.html#a59c17c9d84ecb72ecc26ebb79195698d">Iaps</a>();
<a name="l00457"></a>00457 TInt iapCount = iaps.Count();
<a name="l00458"></a>00458
<a name="l00459"></a>00459 CDesCArrayFlat* iapArray = <span class="keyword">new</span> (ELeave) CDesCArrayFlat(iapCount);
<a name="l00460"></a>00460 CleanupStack::PushL(iapArray);
<a name="l00461"></a>00461
<a name="l00462"></a>00462 TInt selectedIndex = 0;
<a name="l00463"></a>00463
<a name="l00464"></a>00464 <span class="comment">// Load all IAPs to the list.</span>
<a name="l00465"></a>00465 <span class="keywordflow">for</span> (TInt i = 0; i < iapCount; i++)
<a name="l00466"></a>00466 {
<a name="l00467"></a>00467 <span class="keywordflow">if</span> (iaps[i].iId == aDefaultId)
<a name="l00468"></a>00468 {
<a name="l00469"></a>00469 selectedIndex = i;
<a name="l00470"></a>00470 }
<a name="l00471"></a>00471 iapArray->AppendL(iaps[i].iName);
<a name="l00472"></a>00472 }
<a name="l00473"></a>00473
<a name="l00474"></a>00474 TInt index(0);
<a name="l00475"></a>00475 CAknListQueryDialog* query = <span class="keyword">new</span> (ELeave) CAknListQueryDialog(&index);
<a name="l00476"></a>00476 query->PrepareLC(R_TASKMANAGER_IAP_LIST_QUERY);
<a name="l00477"></a>00477 query->SetItemTextArray(iapArray);
<a name="l00478"></a>00478 query->SetOwnershipType(ELbmDoesNotOwnItemArray);
<a name="l00479"></a>00479 query->ListBox()->SetCurrentItemIndex(selectedIndex);
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (query->RunLD())
<a name="l00481"></a>00481 {
<a name="l00482"></a>00482 aId = iaps[index].iId;
<a name="l00483"></a>00483 retval = ETrue;
<a name="l00484"></a>00484 }
<a name="l00485"></a>00485
<a name="l00486"></a>00486 CleanupStack::PopAndDestroy(iapArray);
<a name="l00487"></a>00487 <span class="keywordflow">return</span> retval;
<a name="l00488"></a>00488 }
<a name="l00489"></a>00489
<a name="l00490"></a>00490 <span class="comment">// ----------------------------------------------------</span>
<a name="l00491"></a>00491 <span class="comment">// CTaskManagerAppView::ShowStatus()</span>
<a name="l00492"></a>00492 <span class="comment">// Shows proper status text to the user.</span>
<a name="l00493"></a>00493 <span class="comment">// ----------------------------------------------------</span>
<a name="l00494"></a>00494 <span class="comment">// </span>
<a name="l00495"></a>00495 <span class="keywordtype">void</span> CTaskManagerAppView::ShowStatus(<span class="keyword">const</span> TDesC& aStatus)
<a name="l00496"></a>00496 {
<a name="l00497"></a>00497 iStatusText = aStatus;
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="comment">// Show 'No tasks' or if tasks exist, show list of tasks.</span>
<a name="l00500"></a>00500 <span class="keywordflow">if</span> (aStatus == KNoTasks)
<a name="l00501"></a>00501 {
<a name="l00502"></a>00502 <span class="keywordflow">if</span> (iTaskList->Model()->NumberOfItems() > 0)
<a name="l00503"></a>00503 {
<a name="l00504"></a>00504 iTaskList->MakeVisible(ETrue);
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 <span class="comment">// Show only status text.</span>
<a name="l00508"></a>00508 <span class="keywordflow">else</span>
<a name="l00509"></a>00509 {
<a name="l00510"></a>00510 iTaskList->MakeVisible(EFalse);
<a name="l00511"></a>00511 }
<a name="l00512"></a>00512
<a name="l00513"></a>00513 DrawNow();
<a name="l00514"></a>00514 }
<a name="l00515"></a>00515
<a name="l00516"></a>00516 <span class="comment">// End of file</span>
</pre></div></div>
<hr size="1"/><address style="text-align: right;"><small>Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
</body>
</html>