examples/ForumNokia/S60_3rd_Edition_TextMTM_Example/modules/Deinstall/src/txdeinstall.cpp

// txdeinstall.cpp
//
// © 2006 Nokia Corporation.  All rights reserved.
//

// includes
#include <e32base.h>
#include <e32cons.h>
#include <f32file.h>
#include <msvapi.h>
#include <msvids.h>     // KMsvRootIndexEntryId
#include <msvuids.h>    // KUidMsvServiceEntry
#include "txut.h"

//LOCAL_D const TInt KUidMsgTypeTextValue = 0x10005247;
//LOCAL_D const TUid KUidMsgTypeText = { KUidMsgTypeTextValue};
//LOCAL_D const TUid KTxtMtmTechnologyTypeUid   = { KUidMsgTypeTextValue};

LOCAL_D CConsoleBase* console;
LOCAL_C void consoleUIDeinstallL();
LOCAL_C void DoDeinstallL();
LOCAL_C void ClearMessageEntriesL(CMsvSession& aSession);
LOCAL_C void ClearEntriesFromContextL(CMsvEntry& aEntry, TMsvId aContext);

// constants
_LIT(KMTMDataFileName,"txtmtm.rsc");
_LIT(KMTMDataLocation,"\\resource\\messaging\\Mtm\\");
_LIT(KTxtTitle,"TextMTM deinstall");
_LIT(KFormatFailed,"failed: leave code=%d");

// Dummy observer class to absorb Message Server session events
class TDummyObserver : public MMsvSessionObserver
        {
public:
        void HandleSessionEventL(TMsvSessionEvent /*aEvent*/, TAny* /*aArg1*/, TAny* /*aArg2*/, TAny* /*aArg3*/) {};
        };


LOCAL_C void FindFileL(const TDesC& aFileName, const TDesC& aLocation, TFileName& aRetVal)
    {
    RFs fs;
    User::LeaveIfError(fs.Connect());
    CleanupClosePushL(fs);
    TFindFile finder(fs);
    User::LeaveIfError(finder.FindByDir(aFileName, aLocation));
    aRetVal = finder.File();
    CleanupStack::PopAndDestroy();
    }


LOCAL_C void DoDeinstallL()
// Set up Message Server session and install Text MTM group
        {
    TFileName filename;
    FindFileL(KMTMDataFileName, KMTMDataLocation, filename);

        TDummyObserver ob;
        CMsvSession* session = CMsvSession::OpenSyncL(ob);
        CleanupStack::PushL(session);
    ClearMessageEntriesL(*session);

        TInt err=session->DeInstallMtmGroup(filename);
        if (err!=KErrNone && err!=KErrNotFound)
                User::Leave(err);
        
        CMTMTxtSettings* settings = CMTMTxtSettings::NewL();
        CleanupStack::PushL(settings);
        settings->DeleteDefaultServiceSettingL();
        CleanupStack::PopAndDestroy(settings);

        CleanupStack::PopAndDestroy(session); // session

        RFs fs;
        fs.Connect();
    CFileMan* fileman = CFileMan::NewL(fs);
        _LIT(KMTMDir,"\\data\\TextMTMService\\");
        fileman->RmDir(KMTMDir);
    delete fileman;
        fs.Close();

        }

LOCAL_C void ClearMessageEntriesL(CMsvSession& aSession)
    {
    TMsvSelectionOrdering ordering;
    ordering.SetShowInvisibleEntries(ETrue);
    CMsvEntry* entry = CMsvEntry::NewL(aSession, KMsvRootIndexEntryId, ordering);
    CleanupStack::PushL(entry);

    ClearEntriesFromContextL(*entry, KMsvGlobalInBoxIndexEntryId);
    ClearEntriesFromContextL(*entry, KMsvGlobalOutBoxIndexEntryId);
    ClearEntriesFromContextL(*entry, KMsvSentEntryId);
    ClearEntriesFromContextL(*entry, KMsvDeletedEntryFolderEntryId);
    ClearEntriesFromContextL(*entry, KMsvDraftEntryId);
    ClearEntriesFromContextL(*entry, KMsvRootIndexEntryId);

    CleanupStack::PopAndDestroy(entry);
    }

LOCAL_C void ClearEntriesFromContextL(CMsvEntry& aEntry, TMsvId aContext)
    {
    aEntry.SetEntryL(aContext);

    CMsvEntrySelection* sel = aEntry.ChildrenWithMtmL(KTxtMtmTechnologyTypeUid);
    CleanupStack::PushL(sel);

    const TInt count = sel->Count();

    for(TInt ii = 0; ii < count; ii++)
        aEntry.DeleteL(sel->At(ii));

    CleanupStack::PopAndDestroy(sel);
    }

LOCAL_C void consoleUIDeinstallL()
// Set up simple console UI
    {
        // Construct and install the active scheduler
        CActiveScheduler* scheduler = new (ELeave) CActiveScheduler;
        CleanupStack::PushL(scheduler);
        CActiveScheduler::Install(scheduler);

        console=Console::NewL(KTxtTitle,TSize(KConsFullScreen,KConsFullScreen));
        CleanupStack::PushL(console);
        TRAPD(error,DoDeinstallL()); // call install function

        if (error)
                console->Printf(KFormatFailed, error);

        console->Getch();

        CleanupStack::PopAndDestroy(2, scheduler); // console, scheduler
        }

GLDEF_C TInt E32Main()
        {
        __UHEAP_MARK;
        CTrapCleanup* cleanup=CTrapCleanup::New(); // get clean-up stack
        TRAPD(error,consoleUIDeinstallL());
        delete cleanup; // destroy clean-up stack
        __UHEAP_MARKEND;
        return 0;
    }

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