/*

* Copyright (c) 2006 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:  MPresentityGroupList API object implementation.

 *

*/

#ifndef CPRESENTITYGROUPLISTEVENTIMP_H

#define CPRESENTITYGROUPLISTEVENTIMP_H

#include "ximpapieventbase.h"

#include "presencetypehelpers.h"

#include "ximpdatasubscriptionstateimp.h"

#include <presentitygrouplistevent.h>

class RReadStream;

class CPresentityGroupInfoImp;

class CXIMPDataSubscriptionStateImp;

/**

 * MOwnPresenceEvent API object implementation.

 *

 * @lib ximpdatamodel.dll

 * @since S60 v3.2

 */

NONSHARABLE_CLASS( CPresentityGroupListEventImp ): public CXIMPApiEventBase,

                                                       public MPresentityGroupListEvent

    {

public:

    /** The class ID. */

    enum { KClassId = PRIMP_CLSID_CPRESENTITYGROUPLISTEVENTIMP };

public:

    /**

     * Exported instantiation method for initializing

     * new event object.

     */

    IMPORT_C static CPresentityGroupListEventImp* NewLC(

            RPrGrpInfoImpArray* aCreated,

            RPrGrpInfoImpArray* aUpdated,

            RPrGrpInfoImpArray* aDeleted,

            CXIMPDataSubscriptionStateImp* aState

            );

    /**

     * Exported instantiation method for initializing

     * new event object.

     */

    IMPORT_C static CPresentityGroupListEventImp* NewLC(

            RPrGrpInfoImpArray* aCreated,

            RPrGrpInfoImpArray* aUpdated,

            RPrGrpInfoImpArray* aDeleted,

            RPrGrpInfoImpArray* aCurrent,

            CXIMPDataSubscriptionStateImp* aState

            );

    IMPORT_C static CPresentityGroupListEventImp* NewL(

            RPrGrpInfoImpArray* aCreated,

            RPrGrpInfoImpArray* aUpdated,

            RPrGrpInfoImpArray* aDeleted,

            RPrGrpInfoImpArray* aCurrent,

            CXIMPDataSubscriptionStateImp* aState

            );

    /**

     * Instantiation method for event automation.

     * Method signature must be exactly this to work

     * with event delivery automation system.

     *

     * Event implementation must be registered to

     * XIMPEventCodec KXIMPEventConstructorTable.

     */

    static CXIMPApiEventBase* NewFromStreamLC( RReadStream& aStream );

    virtual ~CPresentityGroupListEventImp();

private:

    CPresentityGroupListEventImp();

    void ConstructL(

            RPrGrpInfoImpArray* aCreated,

            RPrGrpInfoImpArray* aUpdated,

            RPrGrpInfoImpArray* aDeleted,

            CXIMPDataSubscriptionStateImp* aState

            );

    void ConstructL(

            RPrGrpInfoImpArray* aCreated,

            RPrGrpInfoImpArray* aUpdated,

            RPrGrpInfoImpArray* aDeleted,

            RPrGrpInfoImpArray* aCurrent,

            CXIMPDataSubscriptionStateImp* aState

            );

    void ConstructL( RReadStream& aStream );

    /**

     * Helper for externalize.

     */

    void WriteArrayToStreamL( RPrGrpInfoImpArray& aArray,

            RWriteStream& aStream ) const;

    /**

     * Helper for internalize

     */

    void FillArrayFromStreamL( RPrGrpInfoImpArray& aArray,

            RReadStream& aStream );

public: // From API base interfaces

    /**

     * Implementation of MXIMPBase interface methods

     * @see MXIMPBase

     */

    XIMPIMP_DECLARE_IF_BASE_METHODS

    /**

     * Implementation of MXIMPEventBase interface and

     * CXIMPApiEventBase methods

     *

     * @see MXIMPEventBase

     * @see CXIMPApiEventBase

     */

    XIMPIMP_DECLARE_EVENT_BASE_METHODS

public: // From MPresentityGroupList

    TInt NewGroupsCount() const;

    const MPresentityGroupInfo& NewGroup( TInt aIndex ) const;

    TInt UpdatedGroupsCount() const;

    const MPresentityGroupInfo& UpdatedGroup( TInt aIndex ) const;

    TInt DisappearedGroupsCount() const;

    const MPresentityGroupInfo& DisappearedGroup( TInt aIndex ) const;

    TInt CurrentGroupsCount() const;

    const MPresentityGroupInfo& CurrentGroup( TInt aIndex ) const;

    const MXIMPDataSubscriptionState& DataSubscriptionState() const;

private:

    /**

     * Compare the given arrays for equality.

     * Arrays must be sorted. This is a method specific

     * to the group info imp array.

     * @return ETrue if the arrays match, EFalse otherwise.

     */

    static TBool CompareArrays( RPrGrpInfoImpArray* aA, RPrGrpInfoImpArray* aB );

private: // data

    /**

     * ETrue if constructed from stream.

     */

    TBool iConstructedFromStream;

    /**

     * ETrue if current groups array is owned.

     */

    TBool iOwnsCurrentGroupsArray;

    /**

     * Group informations.

     * Owns if constructed from stream. Otherwise does not own.

     */

    RPrGrpInfoImpArray* iCreatedGroups;

    RPrGrpInfoImpArray* iUpdatedGroups;

    RPrGrpInfoImpArray* iDeletedGroups;

    RPrGrpInfoImpArray* iCurrentGroups;

    /**

     *

     */

    CXIMPDataSubscriptionStateImp* iSubscriptionState;

    };

#endif // CPRESENTITYGROUPLISTEVENTIMP_H