/*

* Copyright (c) 2007-2009 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:  common email base object

*

*/

#ifndef __CFSMAILMESSAGEBASE_H

#define __CFSMAILMESSAGEBASE_H

#include <e32std.h>

#include <e32base.h>

#include "cfsmailaddress.h"

#include "cemailextensionbase.h"

class CFSMailRequestHandler;

/**

 *  email handling base class

 *

 *  @lib FSFWCommonLib

 */

class CFSMailMessageBase : public CExtendableEmail

{

 public:

    /**

     * Two-phased constructor.

     *

     * @param aMessageId id of the email to be created

     */

     IMPORT_C static CFSMailMessageBase* NewL(const TFSMailMsgId aMessageId);

    /**

     * Two-phased constructor.

     *

     * @param aMessageId id of the email to be created

     */

     IMPORT_C static CFSMailMessageBase* NewLC(const TFSMailMsgId aMessageId);

    /**

     * Destructor.

     */  

     IMPORT_C virtual ~CFSMailMessageBase();

    /**

     * message id accessor

     *

     * @return message id

     */

     IMPORT_C TFSMailMsgId GetMessageId() const;

    /**

     * if email is related to another email, for example due reply / forward,

     * related email id is returned

     *

     * @return related email id

     */

     IMPORT_C TFSMailMsgId IsRelatedTo() const;

    /**

     * set email related to another email, for example due reply / forward

     *

     * @param aMessageId related email id

     */

     IMPORT_C void SetRelatedTo( const TFSMailMsgId aMessageId );

    /**

     * email parent folder id accessor

     *

     * @returns parent folder id

     */

     IMPORT_C TFSMailMsgId GetFolderId() const ;

    /**

     * email parent folder id mutator

     *

     * @param aFolderId parent folder id

     */

     IMPORT_C void SetFolderId( const TFSMailMsgId aFolderId );

    /**

     * email mailbox id accessor

     *

     * @returns mailbox id

     */

     IMPORT_C TFSMailMsgId GetMailBoxId() const ;

    /**

     * email mailbox id mutator

     *

     * @param aMailBoxId mailbox id

     */

     IMPORT_C void SetMailBoxId( const TFSMailMsgId aMailBoxId );

    /**

     * email sender address accessor

     *

     * @return email sender address, ownership not transferred to user

     */

     IMPORT_C CFSMailAddress* GetSender() const;

    /**

     * email sender address mutator

     *

     * @param aSender email sender address, ownership transferred from user

     */

     IMPORT_C void SetSender(CFSMailAddress* aSender);

    /**

     * returns TO-recipients list of email

     *

     * @return to-recipients list, ownership not transferred user

     */

     IMPORT_C RPointerArray<CFSMailAddress>&  GetToRecipients();

    /**

     * returns CC-recipients list of email

     *

     * @return cc-recipients list, ownership not transferred user

     */

     IMPORT_C RPointerArray<CFSMailAddress>&  GetCCRecipients(  );

    /**

     * returns BCC-recipients list of email

     *

     * @return bcc-recipients list, ownership not transferred user

     */

     IMPORT_C RPointerArray<CFSMailAddress>&  GetBCCRecipients( );

    /**

     * appends one recipient to email TO-field, ownership transferred from user

     *

     * @param aRecipient new recipient email address

     */

     IMPORT_C void AppendToRecipient( CFSMailAddress* aRecipient);

    /**

     * appends one recipient to email CC-field, ownership transferred from user

     *

     * @param aRecipient new recipient email address 

     */

     IMPORT_C void AppendCCRecipient( CFSMailAddress* aRecipient );

    /**

     * appends one recipient to email BCC field, ownership transferred from user

     *

     * @param aRecipient new recipient email address

     */

     IMPORT_C void AppendBCCRecipient( CFSMailAddress* aRecipient );

    /**

     * clears email TO-recipients list

     *

     */

     IMPORT_C void ClearToRecipients( );

    /**

     * clears email CC-recipients list

     *

     */

     IMPORT_C void ClearCcRecipients( );

    /**

     * clears email BCC-recipients list

     *

     */

     IMPORT_C void ClearBccRecipients( );

    /**

     * email subject accessor

     *

     * @return email subject, ownership not transferred user

     */

     IMPORT_C TDesC& GetSubject() const;

    /**

     * email subject mutator

     *

     * @param aSubject new email subject

     */

     IMPORT_C void SetSubject(const TDesC& aSubject);

    /**

     * email date accessor

     *

     * @return email date

     */

     IMPORT_C TTime GetDate() const;

    /**

     * email date mutator

     *

     * @param aDate new email date

     */

     IMPORT_C void SetDate(const TTime aDate);

    /**

     * email flags accessor

     *

     * @return email flags

     */

     IMPORT_C TInt GetFlags( ) const;

    /**

     * email flag set

     *

     * @aFlag email flag to be set

     */

     IMPORT_C void SetFlag(const TInt aFlag);

    /**

     * email flag reset

     *

     * @aFlag email flag to be reset

     */

     IMPORT_C void ResetFlag(const TInt aFlag);

    /**

     * test email flag is set

     *

     * @aFlag email flag to be tested

     * @return email flag status (set/reset)

     */

     IMPORT_C TBool IsFlagSet(const TInt aFlag) const;

    /**

     * Email reply-to address accessor ; defines optional email address

     * that clients should use to send replies. Returns NULL pointer

     * if address is not set, ownership not transferred to user.

     *

     * @return email reply-to address

     */

     IMPORT_C const CFSMailAddress& GetReplyToAddress();

    /**

     * email reply-to address mutator, ownership transferred from user

     *

     * @param aReplyToAddress email reply-to address

     */

     IMPORT_C void SetReplyToAddress(CFSMailAddress* aReplyToAddress);

     /**

      * plugin request handler accessor

      * 

      * @return request handler

      */

     IMPORT_C CFSMailRequestHandler& RequestHandler( );

public: // from  CExtendableEmail

     /**

     * @see CExtendableEmail::ReleaseExtension

     */                                        

     IMPORT_C void ReleaseExtension( CEmailExtension* aExtension );

     /**

      * Returns extension by uid, leaves KErrNotSupported if extension is

      * not available.

      * @param aInterfaceUid extension interface uid

      * @return extension pointer. Ownership depends on extension.

      */

     IMPORT_C CEmailExtension* ExtensionL( const TUid& aInterfaceUid );

 protected:

    /**

     * C++ default constructor.

     */

     CFSMailMessageBase();

    /**

     * email message id

     */

     TFSMailMsgId    iMessageId;

 private: 

    /**

     * ConstructL

     */

     void ConstructL( const TFSMailMsgId aMessageId );   

protected:

    // Request handler from tls 

    CFSMailRequestHandler*          iRequestHandler;    

 private: // data

    /**

     * id of another email or part this object is related to

     * due some reason, like in reply or forward email use cases

     */

     TFSMailMsgId    iRelatedTo;

    /**

     * email mailbox id

     */

     TFSMailMsgId    iMailBoxId;

    /**

     * email parent folder id

     */

     TFSMailMsgId    iFolderId;

    /**

     * email sender address

     */

     CFSMailAddress*    iSender;

    /**

     * email reply-to address

     */

     CFSMailAddress*    iReplyTo;

    /**

     * email recipients, to/cc/bcc

     */

     RPointerArray<CFSMailAddress> iToRecipients;

     RPointerArray<CFSMailAddress> iCcRecipients;

     RPointerArray<CFSMailAddress> iBccRecipients;

    /**

     * email subject

     */

     HBufC*             iSubject;

    /**

     * email flags

     */

     TInt               iFlags;

    /**

     * email date

     */

     TTime              iDate;   

};

#endif // __CFSMAILMESSAGEBASE_H