1.1 --- a/epoc32/include/caldataexchange.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/caldataexchange.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,89 @@
     1.4 -caldataexchange.h
     1.5 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +// All rights reserved.
     1.7 +// This component and the accompanying materials are made available
     1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +// which accompanies this distribution, and is available
    1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +//
    1.12 +// Initial Contributors:
    1.13 +// Nokia Corporation - initial contribution.
    1.14 +//
    1.15 +// Contributors:
    1.16 +//
    1.17 +// Description:
    1.18 +//
    1.19 +
    1.20 +#ifndef __CCALDATAEXCHANGE_H__ 
    1.21 +#define __CCALDATAEXCHANGE_H__
    1.22 +
    1.23 +#include <calentry.h>
    1.24 +
    1.25 +class CCalDataExchangeImpl;
    1.26 +class CCalSession;
    1.27 +class RWriteStream;
    1.28 +
    1.29 +/** The default number of entries to import or export between callbacks.
    1.30 +@publishedAll
    1.31 +@released
    1.32 +*/
    1.33 +const TInt KDefaultNumberOfEntriesToHandle = 10;
    1.34 +
    1.35 +/** A call back class to show the progress of long-running operations.
    1.36 +
    1.37 +When a long-running operation is carried out, this class is used to signal its progress, 
    1.38 +and when the function is complete.
    1.39 +
    1.40 +@publishedAll
    1.41 +@released
    1.42 +*/
    1.43 +class MCalDataExchangeCallBack
    1.44 +	{
    1.45 +public:
    1.46 +	/** Progress callback. 
    1.47 +
    1.48 +	This calls the observing class with the percentage complete of the current operation.
    1.49 +	This also propagates any error to the observing class.
    1.50 +
    1.51 +	@param aPercentageCompleted The percentage complete. */
    1.52 +	virtual void Progress(TInt aPercentageCompleted) = 0;
    1.53 +
    1.54 +	/** Progress callback.
    1.55 +
    1.56 +	This calls the observing class when the current operation is finished. */
    1.57 +	virtual void Completed() = 0;
    1.58 +	
    1.59 +	/* Retrieve the number of entries to handle at once. 
    1.60 +	@return The number of entries to handle at once.
    1.61 +	*/
    1.62 +	virtual TInt NumberOfEntriesToHandleAtOnce() { return KDefaultNumberOfEntriesToHandle; };
    1.63 +	};
    1.64 +
    1.65 +/** 
    1.66 +This class provides functionality for importing and exporting vCal entries.
    1.67 +@publishedAll
    1.68 +@released
    1.69 +*/
    1.70 +NONSHARABLE_CLASS(CCalDataExchange) : public CBase
    1.71 +	{
    1.72 +public:
    1.73 +	IMPORT_C static CCalDataExchange* NewL(CCalSession& aSession);
    1.74 +	IMPORT_C ~CCalDataExchange();
    1.75 +	
    1.76 +	IMPORT_C void ImportL(TUid aDataFormat, RReadStream& aReadStream, RPointerArray<CCalEntry>& aCalEntryArray);
    1.77 +	IMPORT_C void ImportL(TUid aDataFormat, RReadStream& aReadStream, RPointerArray<CCalEntry>& aCalEntryArray, TInt aFlags);
    1.78 +	IMPORT_C void ExportL(TUid aDataFormat, RWriteStream& aWriteStream, RPointerArray<CCalEntry>& aCalEntryArray);	
    1.79 +	
    1.80 +	IMPORT_C void ImportL(TUid aDataFormat, RReadStream& aReadStream, RPointerArray<CCalEntry>& aCalEntryArray, TInt aFlags, TInt aNumEntries);
    1.81 +
    1.82 +	IMPORT_C void ImportAsyncL(TUid aDataFormat, RReadStream& aReadStream, RPointerArray<CCalEntry>& aCalEntryArray, MCalDataExchangeCallBack& aObserver, TInt aFlags);
    1.83 +	IMPORT_C void ExportAsyncL(TUid aDataFormat, RWriteStream& aWriteStream, RPointerArray<CCalEntry>& aCalEntryArray, MCalDataExchangeCallBack& aObserver);
    1.84 +	
    1.85 +private:
    1.86 +	CCalDataExchange();
    1.87 +	void ConstructL(CCalSession& aSession);
    1.88 +	
    1.89 +private:
    1.90 +	CCalDataExchangeImpl* iImpl;
    1.91 +	};
    1.92 +
    1.93 +#endif // __CCALDATAEXCHANGE_H__