/*

* Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*             This class contains utility methods related to usage of 

*             Calendar Interim API.

*

*/

#ifndef __CALENINTERIMUTILS2_H__

#define __CALENINTERIMUTILS2_H__

//  INCLUDES

#include <e32base.h>

#include <calcommon.h>

// FORWARD DECLARATIONS

class CCalEntry;

class CCalEntryView;

class CCalenInterimUtils2Impl;

// CLASS DECLARATION

/**

* This class contains utility methods related to usage of

* Calendar Interim API

*/

NONSHARABLE_CLASS(CCalenInterimUtils2) : public CBase

    {

    public: // Construction/destruction

        /**

         * Create a new instance of CalenInterimUtils2

         */

        IMPORT_C static CCalenInterimUtils2* NewL();

        /**

         * Destructor

         */

        IMPORT_C ~CCalenInterimUtils2();

    public: // New functions

        /**

         * Allocates and returns a new global UID.

         * @return UID, ownership is transferred to caller

         */

        IMPORT_C HBufC8* GlobalUidL();

        /**

         * Populates empty fields of a child entry with data from

         * the parent entry.

         * @param aChild child (modifying) entry to be populated

         * @param aParent parent (originating) entry

         */

        IMPORT_C static void PopulateChildFromParentL( CCalEntry& aChild,

                                                const CCalEntry& aParent );

        /**

         * Checks to see if Meeting Request Viewer functionality

         * is enabled and is available to use

         * @return current state of MR Viewers implementation

         */

        IMPORT_C TBool MRViewersEnabledL(TBool aForceCheck = EFalse);

        /**

         * This function is a wrapper around CCalEntryView::StoreL() and CCalEntryView::UpdateL().

         * The function makes the appropriate call to either of those functions, depending on several

         * factors, such as whether the entry is a child or parent, and whether it has exceptions or not.

         * If aCopyToChildren is set to ETrue, extra logic is applied as follows:

         * For each exception, for each field, if the field is NOT the reason for the

         * entry being an exception, copy the new parent's field across to the exception.

         * @param aEntryView view of the entries

         * @param aEntry entry to be stored

         * @param aCopyToChildren whether the extra logic regarding exception data should be run

         */

        IMPORT_C static void StoreL( CCalEntryView& aEntryView,

                                     CCalEntry& aEntry,

                                     TBool aCopyToChildren = EFalse );

        /**

         * Checks to see if the given entry has properties consistent with a meeting request.

         * @param aEntry Entry to test

         * @return ETrue if the entry is a meeting request, EFalse otherwise

         */

        IMPORT_C static TBool IsMeetingRequestL( CCalEntry& aEntry );

    private: // Construction/destruction

        void ConstructL();

        CCalenInterimUtils2();

    private: // Member data

        CCalenInterimUtils2Impl* iImpl;

    };

#endif // __CALENINTERIMUTILS2_H__

// End of File