sapi_calendar/calendarservice/inc/calendarexport.h
changeset 0 14df0fbfcc4e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sapi_calendar/calendarservice/inc/calendarexport.h	Mon Mar 30 12:51:10 2009 +0300
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Interface to Exporting the contents of a Calender
+*
+*/
+
+
+
+#ifndef CALENDAREXPORTEXPORT_H_
+#define CALENDAREXPORTEXPORT_H_
+
+//System Includes
+#include <e32base.h>
+
+
+//Forward Declarations
+class CCalSession;
+class CCalEntryView;
+class CCalenExporter;
+class CCalendarSessionInfo;
+class MCalCallbackBase;
+
+class CAsyncRequestObserver;
+class CCalendarExportParams;
+
+/**
+ *  This class provides functionality for Calendar Export
+ *  provides Six versions of Export Functionality Sync and Async (3 versions for each)
+ *  @since S60_3_2_200726
+ */
+class CCalendarExport : public CCalendarASyncRequest/*, public CActive*/
+	{
+
+	public: //*********************Public Members(Behaviours)******************************************/
+	
+		/**
+		 * Static Method which either returns the Two Phase constructed Object or Leave 
+		 *
+		 * @param CCalendarSessionInfo  to set the iCalenderSessionInfo which is used to access various resources
+		 *										like CCalSession, CCalEntryView etc
+		 * @param aFormat used to set the iFormat it can be either ICAL or VCAL, two popular Calendar formats
+		 * 
+		 * @param MAsyncRequestObserver For ASyncronous usage of this Object this paramater is set / Default is NULL
+		 *											Set in case of Asynchronous call only
+		 * @param MCalCallbackBase      For Asyncronous usage of this Object this paramater is set
+		 *				
+		 * @return CCalendarExport
+		 */
+		static CCalendarExport* NewL ( CCalendarSessionInfo* aCalSessionInfo, 
+											const TDesC8& aFormat, 
+											CCalendarExportParams* aParams,
+											CAsyncRequestObserver* aAsyncRequestObserver = NULL,
+											MCalCallbackBase* aCallBack = NULL );
+
+		/**
+		 * Destructor.
+		 */
+		~CCalendarExport();
+		
+		/**
+     	  * Synchronous Version of Export which decides the flow basing on the inputs set at the time of Construction 
+		  *					    of this object through NewL and generates corresponding entries in an Ouput Buffer
+          * @since S60_3_2_200726
+          * @param aOutputBuffer    This Buffer contains the Output (Exported from the calender)
+          *
+          * @return void
+          */
+		void ExportL( HBufC8*& aOutputBuffer );
+
+		/**
+     	  * ASynchronous Version of Export Exports entries basing on the input set at the time of construction of this object througn NewL
+     	  *				all the entries of the Calender(outputis passed through callback)
+     	  *	
+     	  * @since S60_3_2_200726
+     	  *
+          * @return void
+          */
+		void ExportL();
+		
+
+	private: //*********************Private Member(Behaviours)******************************************/
+	
+	    /** 
+          * Constructor.
+      	  * @param CCalendarSessionInfo  to set the iCalenderSessionInfo which is used to access various resources
+		  *										like CCalSession, CCalEntryView etc
+		  * @param CAsyncRequestObserver For ASyncronous usage of this Object this paramater is set / Default is NULL
+		  *											Set in case of Asynchronous call only
+		  * @param MCalCallbackBase      For Asyncronous usage of this Object this paramater is set
+     	  */
+		CCalendarExport( CCalendarSessionInfo* aCalSessionInfo, CAsyncRequestObserver* aAsyncRequestObserver = NULL, 
+																MCalCallbackBase* aCallBack = NULL );
+		
+		/** 
+          * 2nd Phase of Two Phase Construction
+          *
+     	  * @param aFormat used to set the iFormat it can be either ICAL or VCAL, two popular Calendar formats  
+		  *												a local copy is made	
+		  * NOTE: Ownership of any of the parameters is not taken through this function call
+		  * @return void				
+     	  */
+		void ConstructL( const TDesC8& aFormat, CCalendarExportParams* aParams );
+		
+		/**
+     	  * Internal Function ExportToBuffer which is called to actually export the data to Buffer
+          *
+          * @since S60_3_2_200726
+          * @param aCalEntryArray 	Calender Entries of the Items to be exported to the Output Buffer
+          *
+          * @param aOutputBuffer 	This Buffer contains the Output (Exported from the calender)
+          *
+          * @return void
+          */
+		void ExportToBufferL( const RPointerArray<CCalEntry>& aCalEntryArray, HBufC8*& aOutputBuffer );
+		
+		/**
+     	  * Internal Function For fetching all CCalEntries of the Calender and call ExportToBuffer
+          * (this is called in case of both Synchronous(EXPORTL where no Local or Global UIDs are specified)and from RUNL of Asynchronous)
+          * @since S60_3_2_200726
+          *
+          * @param aOutputBuffer 	This Buffer contains the Output (Exported from the calender)
+          *
+          * @return void
+          */
+		void GetCalEntriesAndExportL(HBufC8*& aOutputBuffer);
+		
+		/**
+     	  * Internal Function For Conversion of LocalUIDS to CCalEntry and call ExportToBuffer
+          * (this is called in case of Asynchronous from RUNL)
+          * @since S60_3_2_200726
+          *
+          * @param aOutputBuffer 	This Buffer contains the Output (Exported from the calender)
+          *
+          * @return void
+          */
+		void ConvertLUIDAndExportL(HBufC8*& aOutputBuffer);
+		
+		/**
+     	  * Internal Function For Conversion of GlobalUIDS to CCalEntry and call ExportToBuffer
+          * (this is called in case of Asynchronous from RUNL)
+          * @since S60_3_2_200726
+          *
+          * @param aOutputBuffer 	This Buffer contains the Output (Exported from the calender)
+          *
+          * @return void
+          */
+		void ConvertGUIDAndExportL(HBufC8*& aOutputBuffer);
+		
+		/**
+		 * Inherited from CActive class...Active Object for Aynchronous Support 
+		 */ 
+		virtual void DoCancel();
+
+		/**
+		 * Inherited from CActive class...Active Object for Aynchronous Support
+		 */ 
+		virtual void RunL();
+		
+		/** 
+          * Service Functions to activate the Asynchronous Request by activating the Active Object using SetActive()
+      	  * @param aReason  Give the reason it can be KErrNone or any error
+		  *
+		  * @return void
+     	  */
+		void ActivateRequest( TInt aReason );
+		
+		/** 
+          * Service Functions to Enable Proper Completion of Asynchronous Request called at the end of RUNL to send output
+      	  * @param aReason  Give the reason it can be KErrNone or any error
+		  *
+		  * @return void
+     	  */
+		void NotifyRequestResult( TInt aReason );
+		
+
+	private: //*********************Private Member(Properties)******************************************/
+			
+		/**
+          * This is the handle to CCalendarSessionInfo Service class which is used to access various resources
+		  *										like CCalSession, CCalEntryView etc
+		  * Pure USES A Relalationship...This class doesnot own this and So, it wont delete it
+          */
+		CCalendarSessionInfo* iCalSessionInfo;   
+		
+		/**
+     	  * For Syncronous usage of this Object this paramater is set / Default is NULL
+     	  * Own. This class is responsible for deleting it. HAS A Relationship
+     	  */
+		MCalCallbackBase* iCallBack;
+		
+		/**
+     	  * For Syncronous usage of this Object this paramater is set / Default is NULL
+     	  * Own. This class is responsible for deleting it. HAS A Relationship
+     	  */
+		CAsyncRequestObserver* iAsyncRequestObserver;
+
+		/**
+     	  * Handle to the Library Class Object which provies the Conversion functionality i.e.., export
+     	  * Own. This class is responsible for deleting it. HAS A Relationship
+     	  */
+		CCalenExporter *iCalenExporter; 
+	
+		/**
+     	  * Handle to the Library Class Object which provies the Conversion functionality i.e.., export
+     	  * Own. This class is responsible for deleting it. HAS A Relationship
+     	  */
+		HBufC8* iFormat;
+	
+		/**
+     	  * Handle to the input params. This class takes the responsibility for deleting it. HAS A Relationship
+     	  */
+		CCalendarExportParams* iParams;
+
+		/**
+     	  * Output Buffer used only in case of Asynchronous calls
+     	  * Own. This class takes the responsibility for deleting it. HAS A Relationship
+     	  */	
+		HBufC8* iOutputBuffer;
+		
+	};
+	
+
+#endif CALENDAREXPORTEXPORT_H_
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