/*

* Copyright (c) 2008 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:  

*

*/

#ifndef CPRESENCECACHEBUDDYINFO_H

#define CPRESENCECACHEBUDDYINFO_H

// INCLUDES

#include <e32std.h>

#include <e32base.h>

#include <e32hashtab.h>

#include <mpresencebuddyinfo2.h>

class RWriteStream;

class RReadStream;

// CLASS DECLARATION

/**

 *  CPresenceCacheBuddyInfo

 * 

 */

class CPresenceCacheBuddyInfo : public CBase, public MPresenceBuddyInfo2

    {

public:

    // Constructors and destructor

    /**

     * Destructor.

     */

    ~CPresenceCacheBuddyInfo();

    /**

     * Two-phased constructor.

     */

    static CPresenceCacheBuddyInfo* NewL();

    /**

     * Two-phased constructor.

     */

    static CPresenceCacheBuddyInfo* NewLC();    

    /**

     * @return ETrue if buddy info is expired 

     */

    inline TBool IsExpired() const;

    /**

     * Reset buddy expiry time stamp

     */

    inline void ResetTimeStamp();

public: //from MPresenceBuddyInfo2

    /**

     * Defined in a base class

     */

    void SetIdentityL( const TDesC& aBuddyId );

    /**

     * Defined in a base class

     */

    TPtrC BuddyId( ) const;        

    /**

     * Defined in a base class

     */

    void SetAvailabilityL( 

        TAvailabilityValues aAvailability,

        const TDesC& aAvailabilityText );

    /**

     * Defined in a base class

     */

    TAvailabilityValues Availability( );         

    /**

     * Defined in a base class

     */

    TPtrC AvailabilityText( );           

    /**

     * Defined in a base class

     */

    void SetAvatarL( const TDesC8& aAvatar );

    /**

     * Defined in a base class

     */

    TPtrC8 Avatar( );             

    /**

     * Defined in a base class

     */

    void SetStatusMessageL( const TDesC& aStatusMessage ); 

    /**

     * Defined in a base class

     */

    TPtrC StatusMessage( );      

    /**

     * Defined in a base class

     */

    void SetAnyFieldL( 

        const TDesC16& aKey,

        const TDesC8& aValue );

    /**

     * Defined in a base class

     */

    TPtrC8 GetAnyField( 

        const TDesC16& aKey ); 

    /**

     * Defined in a base class

     */

    void GetFieldKeysL( 

            CDesCArrayFlat& aKeys );

    /**

     * Defined in a base class

     */    

    void RemoveField(const TDesC& aKey );     

    /**

     * Defined in a base class

     */

    TBool EqualsIdentity(

        const MPresenceBuddyInfo2& aOtherInstance ) const;   

    /**

     * Defined in a base class

     */

    void ExternalizeL( RWriteStream& aStream ) const;

    /**

     * Defined in a base class

     */

    void InternalizeL( RReadStream& aStream );       

private:

    /**

     * Constructor for performing 1st stage construction

     */

    CPresenceCacheBuddyInfo();

    /**

     * EPOC default constructor for performing 2nd stage construction

     */

    void ConstructL();

            const TDesC& aKey,    

            const TDesC& aValue );

    TPtrC DoGet16BitValue(const TDesC& aKey );

    void ExternalizeFieldL( const TDesC& aData, RWriteStream& aStream ) const;

    void ExternalizeFieldL( const TDesC8& aData, RWriteStream& aStream ) const;    

    HBufC* InternalizeFieldL( RReadStream& aStream );

    HBufC8* InternalizeField8L( RReadStream& aStream );  

    /**

     * Set key and value, takes ownership of parameters

     */

    void SetAnyFieldPtrL( 

        HBufC16* aKey,

        HBufC8* aValue );    

private: //data

    /**

     * Buddy id

     * OWN

     */

    MPresenceBuddyInfo2::TAvailabilityValues iAvailability;      

    HBufC* iBuddyId;    

    RPointerArray<HBufC> iIds;

    RPointerArray<HBufC8> iValues;     

    RHashMap<TDesC*, TInt> iHashMap;

    /**

     * Heap buffer for converted avavilablity text

     * OWN

     */  

    HBufC* iAvailabilityTextBuf;

    /**

     * Heap buffer for converted status text

     * OWN

     */ 

    HBufC* iStatusTextBuf;

    TInt64 iExpiryTime;

    TTime iExpiryTimeStamp;

    };

inline TBool CPresenceCacheBuddyInfo::IsExpired() const

    {

    if(iExpiryTime)

        {

        // expiry is in use

        TTime now;

        now.UniversalTime();

        if( now > iExpiryTimeStamp )

            {

            return ETrue;

            }

        }

    return EFalse;

    }

inline void CPresenceCacheBuddyInfo::ResetTimeStamp()

    {

    TTime now;

    now.UniversalTime();

    iExpiryTimeStamp = now.Int64() +  iExpiryTime;

    }

#endif // CPRESENCECACHEBUDDYINFO_H