/*

* 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 "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:  This class shall be used for holding data required for

 *                server to client and vice versa. Also this shall be for

 *                one client many conversations 

 *

*/

#ifndef __C_CS_CLIENT_CONVERSATION_H__

#define __C_CS_CLIENT_CONVERSATION_H__

// SYSTEM INCLUDES

//USER INCLUDES

#include <ccsdefs.h>

// FORWARD CLASS

class CCsConversationEntry;

// CLASS DECLARATION

/**

 * CCsClientConversation

 * This class shall be used for holding data required for

 * server to client and vice versa. Also this shall be for

 * one client many conversations 

 * 

 * @remarks Lib: csutils.lib

 * @since S60 v5.0

 */

class CCsClientConversation: public CBase

    {

public:

    /**

     * 

     * NewL

     * Two phase construction

     * @return Instance of CCsClientConversation

     */

    IMPORT_C static CCsClientConversation* NewL();

    /**

     * Destructor

     */

    IMPORT_C ~CCsClientConversation();

public:

    /**

     * GetConversationEntryId

     * Provides the unique identifier of conversation 

     *

     * @return unique identifier of conversation

     * entry

     */

    IMPORT_C TCsConversationEntryID GetConversationEntryId() const;

    /**

     * SetConversationEntryId

     * Sets the unique identifier of this object 

     * 

     * @param aEnryId The unique identifier

     */

    IMPORT_C void SetConversationEntryId(

            TCsConversationEntryID aEnryId);

    /**

     *

     */

    /**

     *  

     */

    /**

     * GetContactId

     * Provides the Contact Id for the conversation

     *

     * @return Integer type iContactId

     */

    IMPORT_C TInt32 GetContactId() const;

    /**

     * SetContactId

     * Sets the phonebook Contact Id of the conversation 

     * 

     * @param aContactId to be set as contact id

     */

    IMPORT_C void SetContactId (const TInt32 aContactId);

    /**

     * GetConversationEntry

     * Provides the latest conversation Entry by 

     * timestamp of a conversation identified  by 

     * iConversationEntryID  of this object.

     *

     * @return Instance of Conversation Entry of this object

     */

    IMPORT_C CCsConversationEntry* GetConversationEntry() const;

    /**

     * SetConversationEntryL

     * Sets latest conversation Entry by timestamp of a conversation

     * identified  by iConversationEntryID  of this object.

     * 

     * @param aCsConversationEntry Instance of Conversation contact

     */

    IMPORT_C void SetConversationEntryL(

            const CCsConversationEntry* aCsConversationEntry);

    /**

     * CloneL

     * Gets the clone of the object 

     * 

     * @return Pointer to CCsClientConversation object

     */

    IMPORT_C CCsClientConversation* CloneL() const;

    /**

     * ExternalizeL

     * Writes 'this' object to the stream

     *

     * @param aStream WriteStream with externalized contents

     */

    IMPORT_C virtual void ExternalizeL(

            RWriteStream& aStream) const;

    /**

     * InternalizeL

     * Initializes/Read 'this' object from stream

     *

     * @param aStream ReadStream with data contents to be internalized

     */

    IMPORT_C virtual void InternalizeL(

            RReadStream& aStream);

    /**

     * CompareByTimeStamp

     * Compares 2 CCsClientConversation objects based 

     * on the latest event time stamp

     * 

     * @param obj1 CCsClientConversation object

     * @param obj2 CCsClientConversation object

     * 

     * @return -1 if 

     * aFirst.iConversationEntry->iTimeStamp > 

     *  aSecond.iConversationEntry->iTimeStamp

     * 1 if 

     * aFirst.iConversationEntry->iTimeStamp <

     *  aSecond.iConversationEntry->iTimeStamp

     * 0 if 

     * aFirst.iConversationEntry->iTimeStamp ==

     *  aSecond.iConversationEntry->iTimeStamp

     */

    IMPORT_C static TInt CompareByTimeStamp(

            const CCsClientConversation& obj1,

            const CCsClientConversation& obj2);

    /**

     * CompareByConversationEntryId

     * Compares 2 CCsClientConversation objects based 

     * on ConversationEntryId.

     * 

     * @param obj1 CCsClientConversation object

     * @param obj2 CCsClientConversation object

     * 

     * @return ETrue if 

     * aFirst.iConversationEntry->iEntryID ==

     *  aSecond.iConversationEntry->iEntryID

     * EFalse if 

     * aFirst.iConversationEntry->iEntryID !=

     *  aSecond.iConversationEntry->iEntryID

     */

    IMPORT_C static TBool CompareByConversationEntryId(

            const CCsClientConversation& obj1,

            const CCsClientConversation& obj2);

    /**

     * GetUnreadMessageCount

     * Returns the unread message count in the 

     * conversation

     * 

     * @return unread Messages count

     * @attention Range of unread message count is 0 to 65535.

     */

    IMPORT_C TUint16 GetUnreadMessageCount() const;

    /**

     * GetUnreadMessageCount

     * Returns the unread message count in the

     * conversation

     * 

     * @return unread Messages count

     * @attention Range of unread message count is 0 to 65535.

     */

    IMPORT_C void SetUnreadMessageCount(TUint16 aCount);

private:    // functions

    /**

     * Default Constructor

     */

    CCsClientConversation();

    /**

     * Second phase constructor

     */

    void ConstructL();

private:    // data members

    /**

     * iConversationEntryList

     * Latest converation entry

     */

    CCsConversationEntry* iConversationEntry;

    /**

     * iConversationEntryIDList

     * Unique id or index of the conversation

     */

    TCsConversationEntryID iConversationEntryID;

    /**

     */

    /**

     * iContactId

     * Contact Id of phonebook contact

     */

    TInt32 iContactId;

    /**

     * iUnreadMessagesCount

     * Count of unread messages in a conversation

     *

     * @attention Range of unread message count is 0 to 65535.

     */

    TUint16 iUnreadMessagesCount;

    };

#endif // __C_CS_CLIENT_CONVERSATION_H__

// End of File