/*

* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "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:  The model part of preview.

 *

*/

#ifndef CALENPREVIEWDATA_H

#define CALENPREVIEWDATA_H

#include "CalendarVariant.hrh"

//  INCLUDES

#include <e32base.h>

#include <AknUtils.h>

#include <calentry.h> // for CCalEntry::TType

// FORWARD DECLARATIONS

class CCalInstance;

class CCalenDocument;

class CCalenPreviewEntry;

class CCalenCommonUI;

class CCalenGlobalData;

class CCalenPreviewLayoutManager;

class MCalenServices;

class CCalCalendarInfo;

// LOCAL CONSTANTS AND MACROS

const TInt KPopupMaxEntries = 4;

// CLASS DECLARATION

/**

 *  CCalenPreviewData stores and handles construction of preview data

 *  @lib Calendar.exe

 *  @since 5.0

 */

NONSHARABLE_CLASS( CCalenPreviewData ) : public CBase

    {

    public: // Constructors and destructor

    /**

     * Two-phased constructor.

     */

    static CCalenPreviewData* NewL(CCalenPreviewLayoutManager *aLayoutManager,

                                   MCalenServices& aServices,

                                   TInt aMaxInstances,

                                   TTime aFocusedTime);

    static CCalenPreviewData* NewL(CCalenPreviewLayoutManager *aLayoutManager,

                                   MCalenServices& aServices,

                                   TInt aMaxInstances,

                                   CCalInstance* aInstance);

    /**

     * Destructor.

     */

    virtual ~CCalenPreviewData();

    public:

    TInt InstanceCount() const;

    TInt EntryCount() const;

    CCalInstance* Instance(TInt aIndex);

    CCalenPreviewEntry* Entry(TInt aIndex);

    void ProcessMonthInstancesL(const TTime aRangeStart,

                                   const TBool aIsToday);

    void ProcessWeekInstancesL(const TTime aStart,

                                  const TTime aEnd);

    TBool NotShownEntries() const;

    void CreateEntriesL(const TTime& aDay);

    void SetToday(TBool aToday);

    TBool Today();

    void SetTimedRangeL(const TTime acurrent, const TInt aRange);

    /*

     * @brief Find calendarinfo object based on calendar name

     * 

     * @param aName calendar filename

     * @param aCalendarInfo referance for calendarinfo

     * @return TBool find status

     */

    static TBool CalendarInfoIdentifierL(const HBufC* aName,

            const CCalCalendarInfo& aCalendarInfo);

    void DeleteInstances();

    private:

    /**

     * C++ default constructor.

     */

    CCalenPreviewData(CCalenPreviewLayoutManager *aLayoutManager,

                      MCalenServices& aServices,

                      TInt aMaxInstances);

    /**

     * By default Symbian 2nd phase constructor is private.

     */

    void ConstructL(const TTime& aDay);

    void RemoveInstancesL(const CCalEntry::TType aType);

    void RemoveInstances();

    void RemoveInstance(TInt aIndex);

    void PrioritizeTodosL();

    void FindInstancesL(const TTime& aDay);

    void RemoveLine(const CCalEntry::TType aType,

                    TInt& aRowsUsed, TInt aRows);

    void RemoveMeetingLineL(TInt& aRowsUsed, TInt aRows);

    static TInt TodoPrioCompare(const CCalInstance& aInstance_1, const CCalInstance& aInstance_2);

    static TInt DoTodoPrioCompareL(const CCalEntry& aEntry_1, const CCalEntry& aEntry_2);

private: // Data

    CCalenPreviewLayoutManager *iLayoutManager;

    RPointerArray<CCalInstance> iInstances;

    RPointerArray<CCalenPreviewEntry> iEntries;

    TBool iNotShownEntries;

    TBool iSingleInstance;

    TBool iToday;

    TInt iRange;

    TTime iCurrent;

    TInt iMaxInstances;

    RPointerArray<CCalInstance> iTodoPriorityOrder;

    MCalenServices& iServices;

    };

#endif // CALENPREVIEWDATA_H

// End of File