examples/ForumNokia/S60_3rd_Edition_TextMTM_Example/modules/UiData/inc/txut.h

// TXUT.H
//
// © 2004 Nokia Corporation.  All rights reserved.
//

#ifndef __TXUT_H__
#define __TXUT_H__

#include <e32std.h>
#include <msvapi.h>             // TMsvId, CMsvOperation, CMsvSession


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

LOCAL_D const TUid KUidMsvMtmTextServerDLL      ={0x101FDA9C};
LOCAL_D const TUid KUidMsvMtmTextClientDLL      ={0x101FDA9B};
LOCAL_D const TUid KUidMsvMtmTextUiDLL          ={0x101FDA9D};
LOCAL_D const TUid KUidMsvMtmTextUiDataDLL      ={0x101FDA9E};
LOCAL_D const TUid KUidTextMtmVersion1          ={ KUidMsgTypeTextValue};

// Constants
LOCAL_D const TInt KUidTxtMTMSettingsValue = 0x1000525A; 
LOCAL_D const TUid KUidTxtMTMSettings={KUidTxtMTMSettingsValue};
LOCAL_D const TInt KMaxTextMessageSize = 0xFFFF;


//
//      TTxtProgress: Operation progress information
//
class TTxtProgress 
        {
public:
        TInt            iTotalMsgs;
        TInt            iMsgsProcessed;
        TInt            iErrorCode;     // client side needs to be informed of an error
        TMsvId          iNewId;         // Used with CreateL, or any copy/move, storing the last moved message id.
        };

//
//  Package buffer of progress structure
//
typedef TPckgBuf<TTxtProgress> TTxtProgressBuf;

//
// TxtUtils: Generic static utility functions
// 
class TxtUtils
        {
public: 
        // Build file name for associated entry, given its entry.
        IMPORT_C static void GetEntryFileNameL(TFileName& aFileName, TMsvEntry& aEntry);
    // Prepends the drive letter to aFileName found in aLocation 
    IMPORT_C static void FindFileL(const TDesC& aFileName, const TDesC& aLocation, TFileName& aRetVal);
        };

//
// TMTMTxtSettings: contains the settings for a service. It can be stored in the CMsvStore
// associated with the service entry.
//
class TMTMTxtSettings 
        {
public:
        IMPORT_C void StoreL(CMsvStore& aMsvStore) const;
        IMPORT_C void RestoreL(const CMsvStore& aMessageStore );
        IMPORT_C void ExternalizeL( RMsvWriteStream& aWriteStream ) const;
        IMPORT_C void InternalizeL( RMsvReadStream& aReadStream );

public:
        TPtrC RootFolder() const;
        void SetRootFolder(const TDesC& aRootFolder);

private:
        TFileName iRootFolder;
        };


//
// CMsvOpWait:
//      Allows a synchronous wait on a operation
//

class CMsvOpWait: public CActive
        {
public:
        IMPORT_C static CMsvOpWait* NewLC(TInt aPriority=EPriorityStandard);
        IMPORT_C ~CMsvOpWait();
        IMPORT_C void Start();

protected:
        CMsvOpWait(TInt aPriority);

protected:
    // from CActive
        virtual void RunL();
        virtual void DoCancel();
        };


//
// CMsvCompOperation: 
//      An operation which is already completed on construction
//
class CMsvCompOperation : public CMsvOperation
        {
public:
        IMPORT_C static CMsvCompOperation* NewL(CMsvSession& aMsvSession, TUid aMtm, const TDesC8& aProgress, TMsvId aService, TRequestStatus& aObserverRequestStatus, TInt aErr=KErrNone);
        IMPORT_C ~CMsvCompOperation();

public:
    // from CMsvOperation
        virtual const TDesC8& ProgressL();

private:
        CMsvCompOperation(CMsvSession& aSession, TRequestStatus& aObserverRequestStatus);
        void ConstructL(TUid aMtm, TInt aError, const TDesC8& aProgress, TMsvId aService);

private:
        // from CActive
        virtual void DoCancel();
        virtual void RunL();

private:
        HBufC8* iProgress;
        };


//
// inline implementations
//
inline void TMTMTxtSettings::SetRootFolder(const TDesC& aRootFolder) 
        {
        iRootFolder = aRootFolder;
        }

inline TPtrC TMTMTxtSettings::RootFolder() const 
        { 
        return iRootFolder; 
        }

class CRepository;

class CMTMTxtSettings: public CBase
        {
public:
        IMPORT_C static CMTMTxtSettings* NewL();
        ~CMTMTxtSettings();
        // load, save, and delete text mtm settings
        IMPORT_C void LoadSettingsL(TMsvId aServiceId, TMTMTxtSettings& aSettings) const;
        IMPORT_C void SaveSettingsL(TMsvId aServiceId, const TMTMTxtSettings& aSettings);
        IMPORT_C void DeleteSettingsL(TMsvId aServiceId);
        // handle a setting that specifies what the default service is
        IMPORT_C TMsvId DefaultServiceL() const;
        IMPORT_C void SetDefaultServiceL(TMsvId aService);
        IMPORT_C void DeleteDefaultServiceSettingL();
        
private:
        void ConstructL();      
        void CreateOrSetL(TUint aKey, const TDesC& aValue);
        void CreateOrSetL(TUint aKey, TInt aValue);
        TUint32 FindAccountL(TMsvId aService) const;
        TUint GetNextAccountSlotL();
        void DeleteSettingL(TUint32 settingId);
        
private:
        CRepository* iRepository;
        };
#endif // __TXUT_H__

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