Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/txdeinstall_8cpp_source.html
Week 28 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 1897 and Bug 1522.
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<h1>examples/ForumNokia/S60_3rd_Edition_TextMTM_Example/modules/Deinstall/src/txdeinstall.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// txdeinstall.cpp</span>
<a name="l00002"></a>00002 <span class="comment">//</span>
<a name="l00003"></a>00003 <span class="comment">// © 2006 Nokia Corporation. All rights reserved.</span>
<a name="l00004"></a>00004 <span class="comment">//</span>
<a name="l00005"></a>00005
<a name="l00006"></a>00006 <span class="comment">// includes</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include <e32base.h></span>
<a name="l00008"></a>00008 <span class="preprocessor">#include <e32cons.h></span>
<a name="l00009"></a>00009 <span class="preprocessor">#include <f32file.h></span>
<a name="l00010"></a>00010 <span class="preprocessor">#include <msvapi.h></span>
<a name="l00011"></a>00011 <span class="preprocessor">#include <msvids.h></span> <span class="comment">// KMsvRootIndexEntryId</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <msvuids.h></span> <span class="comment">// KUidMsvServiceEntry</span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "txut.h"</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="comment">//LOCAL_D const TInt KUidMsgTypeTextValue = 0x10005247;</span>
<a name="l00016"></a>00016 <span class="comment">//LOCAL_D const TUid KUidMsgTypeText = { KUidMsgTypeTextValue};</span>
<a name="l00017"></a>00017 <span class="comment">//LOCAL_D const TUid KTxtMtmTechnologyTypeUid = { KUidMsgTypeTextValue};</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 LOCAL_D CConsoleBase* console;
<a name="l00020"></a>00020 LOCAL_C <span class="keywordtype">void</span> consoleUIDeinstallL();
<a name="l00021"></a>00021 LOCAL_C <span class="keywordtype">void</span> DoDeinstallL();
<a name="l00022"></a>00022 LOCAL_C <span class="keywordtype">void</span> ClearMessageEntriesL(CMsvSession& aSession);
<a name="l00023"></a>00023 LOCAL_C <span class="keywordtype">void</span> ClearEntriesFromContextL(CMsvEntry& aEntry, TMsvId aContext);
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="comment">// constants</span>
<a name="l00026"></a>00026 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KMTMDataFileName,<span class="stringliteral">"txtmtm.rsc"</span>);
<a name="l00027"></a>00027 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KMTMDataLocation,<span class="stringliteral">"\\resource\\messaging\\Mtm\\"</span>);
<a name="l00028"></a>00028 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KTxtTitle,<span class="stringliteral">"TextMTM deinstall"</span>);
<a name="l00029"></a>00029 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KFormatFailed,<span class="stringliteral">"failed: leave code=%d"</span>);
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="comment">// Dummy observer class to absorb Message Server session events</span>
<a name="l00032"></a>00032 <span class="keyword">class </span>TDummyObserver : <span class="keyword">public</span> MMsvSessionObserver
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">public</span>:
<a name="l00035"></a>00035 <span class="keywordtype">void</span> HandleSessionEventL(TMsvSessionEvent <span class="comment">/*aEvent*/</span>, TAny* <span class="comment">/*aArg1*/</span>, TAny* <span class="comment">/*aArg2*/</span>, TAny* <span class="comment">/*aArg3*/</span>) {};
<a name="l00036"></a>00036 };
<a name="l00037"></a>00037
<a name="l00038"></a>00038
<a name="l00039"></a>00039 LOCAL_C <span class="keywordtype">void</span> FindFileL(<span class="keyword">const</span> TDesC& aFileName, <span class="keyword">const</span> TDesC& aLocation, TFileName& aRetVal)
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 RFs fs;
<a name="l00042"></a>00042 User::LeaveIfError(fs.Connect());
<a name="l00043"></a>00043 CleanupClosePushL(fs);
<a name="l00044"></a>00044 TFindFile finder(fs);
<a name="l00045"></a>00045 User::LeaveIfError(finder.FindByDir(aFileName, aLocation));
<a name="l00046"></a>00046 aRetVal = finder.File();
<a name="l00047"></a>00047 CleanupStack::PopAndDestroy();
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050
<a name="l00051"></a>00051 LOCAL_C <span class="keywordtype">void</span> DoDeinstallL()
<a name="l00052"></a>00052 <span class="comment">// Set up Message Server session and install Text MTM group</span>
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 TFileName filename;
<a name="l00055"></a>00055 FindFileL(KMTMDataFileName, KMTMDataLocation, filename);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 TDummyObserver ob;
<a name="l00058"></a>00058 CMsvSession* session = CMsvSession::OpenSyncL(ob);
<a name="l00059"></a>00059 CleanupStack::PushL(session);
<a name="l00060"></a>00060 ClearMessageEntriesL(*session);
<a name="l00061"></a>00061
<a name="l00062"></a>00062 TInt err=session->DeInstallMtmGroup(filename);
<a name="l00063"></a>00063 <span class="keywordflow">if</span> (err!=KErrNone && err!=KErrNotFound)
<a name="l00064"></a>00064 User::Leave(err);
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <a class="code" href="class_c_m_t_m_txt_settings.html">CMTMTxtSettings</a>* settings = CMTMTxtSettings::NewL();
<a name="l00067"></a>00067 CleanupStack::PushL(settings);
<a name="l00068"></a>00068 settings-><a class="code" href="class_c_m_t_m_txt_settings.html#a8de0c6d0a83ffe238b4495281305b3d0">DeleteDefaultServiceSettingL</a>();
<a name="l00069"></a>00069 CleanupStack::PopAndDestroy(settings);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 CleanupStack::PopAndDestroy(session); <span class="comment">// session</span>
<a name="l00072"></a>00072
<a name="l00073"></a>00073 RFs fs;
<a name="l00074"></a>00074 fs.Connect();
<a name="l00075"></a>00075 CFileMan* fileman = CFileMan::NewL(fs);
<a name="l00076"></a>00076 <a class="code" href="secureclientandserver_8h.html#a5eadd4429627d82193b37536d4faa03a">_LIT</a>(KMTMDir,<span class="stringliteral">"\\data\\TextMTMService\\"</span>);
<a name="l00077"></a>00077 fileman->RmDir(KMTMDir);
<a name="l00078"></a>00078 <span class="keyword">delete</span> fileman;
<a name="l00079"></a>00079 fs.Close();
<a name="l00080"></a>00080
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 LOCAL_C <span class="keywordtype">void</span> ClearMessageEntriesL(CMsvSession& aSession)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 TMsvSelectionOrdering ordering;
<a name="l00086"></a>00086 ordering.SetShowInvisibleEntries(ETrue);
<a name="l00087"></a>00087 CMsvEntry* entry = CMsvEntry::NewL(aSession, KMsvRootIndexEntryId, ordering);
<a name="l00088"></a>00088 CleanupStack::PushL(entry);
<a name="l00089"></a>00089
<a name="l00090"></a>00090 ClearEntriesFromContextL(*entry, KMsvGlobalInBoxIndexEntryId);
<a name="l00091"></a>00091 ClearEntriesFromContextL(*entry, KMsvGlobalOutBoxIndexEntryId);
<a name="l00092"></a>00092 ClearEntriesFromContextL(*entry, KMsvSentEntryId);
<a name="l00093"></a>00093 ClearEntriesFromContextL(*entry, KMsvDeletedEntryFolderEntryId);
<a name="l00094"></a>00094 ClearEntriesFromContextL(*entry, KMsvDraftEntryId);
<a name="l00095"></a>00095 ClearEntriesFromContextL(*entry, KMsvRootIndexEntryId);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 CleanupStack::PopAndDestroy(entry);
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 LOCAL_C <span class="keywordtype">void</span> ClearEntriesFromContextL(CMsvEntry& aEntry, TMsvId aContext)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 aEntry.SetEntryL(aContext);
<a name="l00103"></a>00103
<a name="l00104"></a>00104 CMsvEntrySelection* sel = aEntry.ChildrenWithMtmL(KTxtMtmTechnologyTypeUid);
<a name="l00105"></a>00105 CleanupStack::PushL(sel);
<a name="l00106"></a>00106
<a name="l00107"></a>00107 <span class="keyword">const</span> TInt count = sel->Count();
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="keywordflow">for</span>(TInt ii = 0; ii < count; ii++)
<a name="l00110"></a>00110 aEntry.DeleteL(sel->At(ii));
<a name="l00111"></a>00111
<a name="l00112"></a>00112 CleanupStack::PopAndDestroy(sel);
<a name="l00113"></a>00113 }
<a name="l00114"></a>00114
<a name="l00115"></a>00115 LOCAL_C <span class="keywordtype">void</span> consoleUIDeinstallL()
<a name="l00116"></a>00116 <span class="comment">// Set up simple console UI</span>
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 <span class="comment">// Construct and install the active scheduler</span>
<a name="l00119"></a>00119 CActiveScheduler* scheduler = <span class="keyword">new</span> (ELeave) CActiveScheduler;
<a name="l00120"></a>00120 CleanupStack::PushL(scheduler);
<a name="l00121"></a>00121 CActiveScheduler::Install(scheduler);
<a name="l00122"></a>00122
<a name="l00123"></a>00123 console=Console::NewL(KTxtTitle,TSize(KConsFullScreen,KConsFullScreen));
<a name="l00124"></a>00124 CleanupStack::PushL(console);
<a name="l00125"></a>00125 TRAPD(error,DoDeinstallL()); <span class="comment">// call install function</span>
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordflow">if</span> (error)
<a name="l00128"></a>00128 console->Printf(KFormatFailed, error);
<a name="l00129"></a>00129
<a name="l00130"></a>00130 console->Getch();
<a name="l00131"></a>00131
<a name="l00132"></a>00132 CleanupStack::PopAndDestroy(2, scheduler); <span class="comment">// console, scheduler</span>
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 GLDEF_C TInt E32Main()
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137 __UHEAP_MARK;
<a name="l00138"></a>00138 CTrapCleanup* cleanup=CTrapCleanup::New(); <span class="comment">// get clean-up stack</span>
<a name="l00139"></a>00139 TRAPD(error,consoleUIDeinstallL());
<a name="l00140"></a>00140 <span class="keyword">delete</span> cleanup; <span class="comment">// destroy clean-up stack</span>
<a name="l00141"></a>00141 __UHEAP_MARKEND;
<a name="l00142"></a>00142 <span class="keywordflow">return</span> 0;
<a name="l00143"></a>00143 }
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