Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/_internet_email_container_8cpp_source.html
Week 32 contribution of PDK documentation content. See release notes for details. Fixes bug Bug 3582
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<h1>examples/ForumNokia/InternetEmail/src/InternetEmailContainer.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright © 2008 Nokia Corporation.</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="comment">// INCLUDE FILES</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "InternetEmailContainer.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#include <eiklabel.h></span> <span class="comment">// for example label control</span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <aknutils.h></span> <span class="comment">// for Fonts.</span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <aknlists.h></span> <span class="comment">// for listbox</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <barsread.h></span> <span class="comment">// for resource reader</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include <avkon.hrh></span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="preprocessor">#include "Internetemail.hrh"</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include "InternetEmailEngine.h"</span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <Internetemail.rsg></span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// ================= MEMBER FUNCTIONS =======================</span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="comment">// -------------------------------------------------------</span>
<a name="l00023"></a>00023 <span class="comment">// CInternetEmailContainer::ConstructL(const TRect& aRect)</span>
<a name="l00024"></a>00024 <span class="comment">// EPOC two phased constructor</span>
<a name="l00025"></a>00025 <span class="comment">// -------------------------------------------------------</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<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& aRect, <a class="code" href="class_c_internet_email_app_ui.html">CInternetEmailAppUi</a>* aParent )
<a name="l00028"></a>00028 {
<a name="l00029"></a>00029 iParent=aParent;
<a name="l00030"></a>00030 CreateWindowL();
<a name="l00031"></a>00031
<a name="l00032"></a>00032 iListBox = <span class="keyword">new</span> (ELeave) CAknDoubleStyleListBox;
<a name="l00033"></a>00033 iListBox->SetContainerWindowL(*<span class="keyword">this</span>);
<a name="l00034"></a>00034 iListBox->ConstructL(<span class="keyword">this</span>, EAknListBoxSelectionList);
<a name="l00035"></a>00035
<a name="l00036"></a>00036 iListBox->Model()->SetItemTextArray(<span class="keyword">this</span>); <span class="comment">//we make ourself to be the array</span>
<a name="l00037"></a>00037 iListBox->Model()->SetOwnershipType(ELbmDoesNotOwnItemArray); <span class="comment">//thus lb doesnt control our deletion</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 iListBox->SetListBoxObserver( <span class="keyword">this</span> );
<a name="l00040"></a>00040 iListBox->CreateScrollBarFrameL(ETrue); <span class="comment">//we set automatic scrollbar</span>
<a name="l00041"></a>00041 iListBox->ScrollBarFrame()->SetScrollBarVisibilityL(
<a name="l00042"></a>00042 CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );
<a name="l00043"></a>00043
<a name="l00044"></a>00044 iListBox->SetRect( aRect );
<a name="l00045"></a>00045 iListBox->ActivateL();
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">// set window size</span>
<a name="l00048"></a>00048 SetRect(aRect);
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="comment">// activate window</span>
<a name="l00051"></a>00051 ActivateL();
<a name="l00052"></a>00052 }
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="comment">// ---------------------------------------------------</span>
<a name="l00055"></a>00055 <span class="comment">// CInternetEmailContainer::~CInternetEmailContainer()</span>
<a name="l00056"></a>00056 <span class="comment">// ---------------------------------------------------</span>
<a name="l00057"></a>00057 <span class="comment">//</span>
<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>()
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="keyword">delete</span> iListBox;
<a name="l00061"></a>00061 }
<a name="l00062"></a>00062
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">// --------------------------------------------------</span>
<a name="l00065"></a>00065 <span class="comment">// CInternetEmailContainer::SizeChanged()</span>
<a name="l00066"></a>00066 <span class="comment">// Called by framework when the view size is changed</span>
<a name="l00067"></a>00067 <span class="comment">// --------------------------------------------------</span>
<a name="l00068"></a>00068 <span class="comment">//</span>
<a name="l00069"></a>00069 <span class="keywordtype">void</span> CInternetEmailContainer::SizeChanged()
<a name="l00070"></a>00070 {
<a name="l00071"></a>00071 iListBox->SetRect( Rect() );
<a name="l00072"></a>00072 }
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="comment">// -------------------------------------------------------</span>
<a name="l00075"></a>00075 <span class="comment">// CInternetEmailContainer::CountComponentControls() const</span>
<a name="l00076"></a>00076 <span class="comment">// -------------------------------------------------------</span>
<a name="l00077"></a>00077 <span class="comment">//</span>
<a name="l00078"></a>00078 TInt CInternetEmailContainer::CountComponentControls()<span class="keyword"> const</span>
<a name="l00079"></a>00079 <span class="keyword"> </span>{
<a name="l00080"></a>00080 <span class="keywordflow">return</span> 1;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="comment">// ------------------------------------------------------------</span>
<a name="l00084"></a>00084 <span class="comment">// CInternetEmailContainer::ComponentControl(TInt aIndex) const</span>
<a name="l00085"></a>00085 <span class="comment">// ------------------------------------------------------------</span>
<a name="l00086"></a>00086 <span class="comment">//</span>
<a name="l00087"></a>00087 CCoeControl* CInternetEmailContainer::ComponentControl(TInt aIndex)<span class="keyword"> const</span>
<a name="l00088"></a>00088 <span class="keyword"> </span>{
<a name="l00089"></a>00089 <span class="keywordflow">switch</span> ( aIndex )
<a name="l00090"></a>00090 {
<a name="l00091"></a>00091 <span class="keywordflow">case</span> 0:
<a name="l00092"></a>00092 <span class="keywordflow">return</span> iListBox;
<a name="l00093"></a>00093 <span class="keywordflow">default</span>:
<a name="l00094"></a>00094 <span class="keywordflow">return</span> NULL;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 }
<a name="l00097"></a>00097
<a name="l00098"></a>00098 <span class="keywordtype">void</span> CInternetEmailContainer::HandleResourceChange(TInt aType)
<a name="l00099"></a>00099 {
<a name="l00100"></a>00100 CCoeControl::HandleResourceChange(aType);
<a name="l00101"></a>00101 <span class="keywordflow">if</span> ( aType==KEikDynamicLayoutVariantSwitch )
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 TRect rect;
<a name="l00104"></a>00104 AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane, rect);
<a name="l00105"></a>00105 SetRect(rect);
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// -------------------------------------------------------</span>
<a name="l00110"></a>00110 <span class="comment">// CInternetEmailContainer::Draw(const TRect& aRect) const</span>
<a name="l00111"></a>00111 <span class="comment">// -------------------------------------------------------</span>
<a name="l00112"></a>00112 <span class="comment">//</span>
<a name="l00113"></a>00113 <span class="keywordtype">void</span> CInternetEmailContainer::Draw(<span class="keyword">const</span> TRect& aRect)<span class="keyword"> const</span>
<a name="l00114"></a>00114 <span class="keyword"> </span>{
<a name="l00115"></a>00115 CWindowGc& gc = SystemGc();
<a name="l00116"></a>00116 gc.SetPenStyle(CGraphicsContext::ENullPen);
<a name="l00117"></a>00117 gc.SetBrushColor(KRgbGray);
<a name="l00118"></a>00118 gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
<a name="l00119"></a>00119 gc.DrawRect(aRect);
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="comment">// ------------------------------------------------------</span>
<a name="l00123"></a>00123 <span class="comment">// TKeyResponse CInternetEmailContainer::OfferKeyEventL(</span>
<a name="l00124"></a>00124 <span class="comment">// const TKeyEvent& aKeyEvent, TEventCode aType)</span>
<a name="l00125"></a>00125 <span class="comment">// This function is used to pick subset of keyevents for</span>
<a name="l00126"></a>00126 <span class="comment">// our custom handler.</span>
<a name="l00127"></a>00127 <span class="comment">// ------------------------------------------------------</span>
<a name="l00128"></a>00128 <span class="comment">//</span>
<a name="l00129"></a>00129 TKeyResponse CInternetEmailContainer::OfferKeyEventL(
<a name="l00130"></a>00130 <span class="keyword">const</span> TKeyEvent& aKeyEvent, TEventCode aType)
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 <span class="keywordflow">if</span> ( aType != EEventKey )
<a name="l00133"></a>00133 {
<a name="l00134"></a>00134 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">switch</span> ( aKeyEvent.iCode )
<a name="l00138"></a>00138 {
<a name="l00139"></a>00139 <span class="comment">// Up & Down & enter arrow key's event transfer to list box</span>
<a name="l00140"></a>00140 <span class="keywordflow">case</span> EKeyOK:
<a name="l00141"></a>00141 <span class="keywordflow">case</span> EKeyUpArrow:
<a name="l00142"></a>00142 <span class="keywordflow">case</span> EKeyDownArrow:
<a name="l00143"></a>00143 <span class="keywordflow">if</span> ( iListBox )
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="keywordflow">return</span> iListBox->OfferKeyEventL( aKeyEvent, aType );
<a name="l00146"></a>00146 }
<a name="l00147"></a>00147 <span class="keywordflow">break</span>;
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">default</span>:
<a name="l00150"></a>00150 <span class="keywordflow">break</span>;
<a name="l00151"></a>00151 }
<a name="l00152"></a>00152
<a name="l00153"></a>00153 <span class="keywordflow">return</span> EKeyWasNotConsumed;
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 <span class="comment">// -----------------------------------------------</span>
<a name="l00157"></a>00157 <span class="comment">// CInternetEmailContainer::HandleControlEventL(</span>
<a name="l00158"></a>00158 <span class="comment">// CCoeControl* aControl,TCoeEvent aEventType)</span>
<a name="l00159"></a>00159 <span class="comment">// -----------------------------------------------</span>
<a name="l00160"></a>00160 <span class="comment">//</span>
<a name="l00161"></a>00161 <span class="keywordtype">void</span> CInternetEmailContainer::HandleControlEventL(
<a name="l00162"></a>00162 CCoeControl* <span class="comment">/*aControl*/</span>,TCoeEvent <span class="comment">/*aEventType*/</span>)
<a name="l00163"></a>00163 {
<a name="l00164"></a>00164 <span class="comment">// TODO: Add your control event handler code here</span>
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="comment">// ------------------------------------------------</span>
<a name="l00169"></a>00169 <span class="comment">// CInternetEmailContainer::HandleListBoxEventL(</span>
<a name="l00170"></a>00170 <span class="comment">// CEikListBox* aListBox,TListBoxEvent aEventType)</span>
<a name="l00171"></a>00171 <span class="comment">// Custom event handler.</span>
<a name="l00172"></a>00172 <span class="comment">// ------------------------------------------------</span>
<a name="l00173"></a>00173 <span class="comment">//</span>
<a name="l00174"></a>00174 <span class="keywordtype">void</span> CInternetEmailContainer::HandleListBoxEventL(
<a name="l00175"></a>00175 CEikListBox* aListBox,TListBoxEvent aEventType)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="keywordflow">if</span>(aListBox==iListBox &&
<a name="l00178"></a>00178 ( aEventType==MEikListBoxObserver::EEventEnterKeyPressed ||
<a name="l00179"></a>00179 aEventType == MEikListBoxObserver::EEventItemClicked ||
<a name="l00180"></a>00180 aEventType == MEikListBoxObserver::EEventItemDoubleClicked))
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 OpenEmailL(); <span class="comment">// opens selected entry using generic framework</span>
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 }
<a name="l00185"></a>00185
<a name="l00186"></a>00186 <span class="comment">// ----------------------------------------------------</span>
<a name="l00187"></a>00187 <span class="comment">// void CInternetEmailContainer::OpenEmailL()</span>
<a name="l00188"></a>00188 <span class="comment">// function to call engine interface method</span>
<a name="l00189"></a>00189 <span class="comment">// ----------------------------------------------------</span>
<a name="l00190"></a>00190 <span class="comment">//</span>
<a name="l00191"></a>00191 <span class="keywordtype">void</span> CInternetEmailContainer::OpenEmailL()
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 TInt currentItem=iListBox->CurrentItemIndex();
<a name="l00194"></a>00194 <span class="keywordflow">if</span>(currentItem>=0 && currentItem<iParent->Model()->RemoteEmailCount())
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 iParent->Model()->RemoteOpenEmailL(currentItem);
<a name="l00197"></a>00197 }
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a>00200 <span class="comment">// ---------------------------------------------------------------</span>
<a name="l00201"></a>00201 <span class="comment">// void CInternetEmailContainer::EntryToListbox(TInt aIndex) const</span>
<a name="l00202"></a>00202 <span class="comment">// Gets header message entry header information from model</span>
<a name="l00203"></a>00203 <span class="comment">// if model is suddenly cancelled traps and draws blanco.</span>
<a name="l00204"></a>00204 <span class="comment">// ---------------------------------------------------------------</span>
<a name="l00205"></a>00205 <span class="comment">//</span>
<a name="l00206"></a>00206 <span class="keywordtype">void</span> CInternetEmailContainer::EntryToListbox(TInt aIndex)<span class="keyword"> const</span>
<a name="l00207"></a>00207 <span class="keyword"> </span>{
<a name="l00208"></a>00208 TPtrC from;
<a name="l00209"></a>00209 TPtrC subject;
<a name="l00210"></a>00210
<a name="l00211"></a>00211 TRAPD(error,from.Set(iParent->Model()->RemoteEmailSenderL(aIndex)));
<a name="l00212"></a>00212 <span class="keywordflow">if</span>(error == KErrNone)
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 TRAP(error,subject.Set(iParent->Model()->RemoteEmailTextL(aIndex)));
<a name="l00215"></a>00215 <span class="keywordflow">if</span>(error == KErrNone)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 iText.Format(_L(<span class="stringliteral">"\t%S\t%S"</span>),&subject,&from);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 <span class="keywordflow">else</span>
<a name="l00220"></a>00220 {
<a name="l00221"></a>00221 iText.Zero();
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 <span class="keywordflow">else</span>
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 iText.Zero();
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a>00230 <span class="comment">// ------------------------------------------------------------</span>
<a name="l00231"></a>00231 <span class="comment">// TInt CInternetEmailContainer::MdcaCount() const</span>
<a name="l00232"></a>00232 <span class="comment">// From MDesCArray. Handles counting of array items from model</span>
<a name="l00233"></a>00233 <span class="comment">// ------------------------------------------------------------</span>
<a name="l00234"></a>00234 <span class="comment">//</span>
<a name="l00235"></a>00235 TInt CInternetEmailContainer::MdcaCount()<span class="keyword"> const</span>
<a name="l00236"></a>00236 <span class="keyword"> </span>{
<a name="l00237"></a>00237 <span class="keywordflow">return</span> iParent->Model()->RemoteEmailCount();
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239
<a name="l00240"></a>00240 <span class="comment">// -----------------------------------------------------------</span>
<a name="l00241"></a>00241 <span class="comment">// TPtrC CInternetEmailContainer::MdcaPoint(TInt aIndex) const</span>
<a name="l00242"></a>00242 <span class="comment">// From MDesCArray. Handles the insertion of needed text from</span>
<a name="l00243"></a>00243 <span class="comment">// model to pointed member of array.</span>
<a name="l00244"></a>00244 <span class="comment">// -----------------------------------------------------------</span>
<a name="l00245"></a>00245 <span class="comment">//</span>
<a name="l00246"></a>00246 TPtrC CInternetEmailContainer::MdcaPoint(TInt aIndex)<span class="keyword"> const</span>
<a name="l00247"></a>00247 <span class="keyword"> </span>{
<a name="l00248"></a>00248 EntryToListbox(aIndex);
<a name="l00249"></a>00249 <span class="keywordflow">return</span> iText;
<a name="l00250"></a>00250 }
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <span class="comment">// -------------------------------------------------</span>
<a name="l00253"></a>00253 <span class="comment">// void CInternetEmailContainer::MailCountChange()</span>
<a name="l00254"></a>00254 <span class="comment">// Public funtion called from engine observer</span>
<a name="l00255"></a>00255 <span class="comment">// callback handlers when model changes are</span>
<a name="l00256"></a>00256 <span class="comment">// occurring.</span>
<a name="l00257"></a>00257 <span class="comment">// -------------------------------------------------</span>
<a name="l00258"></a>00258 <span class="comment">//</span>
<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>()
<a name="l00260"></a>00260 {
<a name="l00261"></a>00261 iListBox->HandleItemAdditionL();
<a name="l00262"></a>00262
<a name="l00263"></a>00263 <span class="comment">//a trick to set default selection when model changes from N to 1</span>
<a name="l00264"></a>00264 TInt currentItem = iListBox->CurrentItemIndex();
<a name="l00265"></a>00265 <span class="keywordflow">if</span>(currentItem>=0 && currentItem<iParent->Model()->RemoteEmailCount())
<a name="l00266"></a>00266 {
<a name="l00267"></a>00267 <span class="keywordflow">if</span>( iListBox->ScrollBarFrame() )
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 iListBox->ScrollBarFrame()->MoveVertThumbTo( currentItem );
<a name="l00270"></a>00270 }
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274
<a name="l00275"></a>00275 <span class="comment">// End of File</span>
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