/*

* Copyright (c) 2007-2008 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:  Meeting Request Info object processor

*

*/

#ifndef M_MRINFOOBJECT_H

#define M_MRINFOOBJECT_H

#include <e32base.h>

//<cmail>

#include "mmrattachment.h"

//</cmail>

// Forward declaration

class MMROrganizer;

class MMRAttendee;

class MRRecurrenceRule;

/**

 * MMRInfoObject defines meeting request interface.

 *

 * MMRInfoObject can be fetched from ES Email framework, when

 * meeting request is received in flattened format.

 *

 *  @lib FSFWCommonLib

 *  @since S60 v3.1

 */

class MMRInfoObject

    {

public: // Datatypes and definitions

    /**  Meeting request fields */

    enum TESMRInfoField

        {

        /** Meeting request ID field */

        EESMRInfoFieldId,

        /** Meeting request sequence number field */

        EESMRInfoFieldSeqNo,

        /** Meeting request method field */

        EESMRInfoFieldMethod,

        /** Meeting request status field */

        EESMRInfoFieldMStatus,

        /** Meeting request creation time field */

        EESMRInfoFieldCreationDateTime,

        /** Meeting request organizer field */

        EESMRInfoFieldOrganizer,

        /** Meeting request attendee field */

        EESMRInfoFieldAttendee,

        /** Meeting request optional attendee field */

        EESMRInfoFieldOptAttendee,

        /** Meeting request start time field */

        EESMRInfoFieldStartDateTime,

        /** Meeting request end time field */

        EESMRInfoFieldStopDateTime,

        /** Meeting request location field */

        EESMRInfoFieldLocation,

        /** Meeting request alarm field */

        EESMRInfoFieldAlarm,

        /** Meeting request subject field */

        EESMRInfoFieldSubject,

        /** Meeting request description field */

        EESMRInfoFieldDescription,

        /** Meeting request recurrence */

        EESMRInfoFieldRecurrence,

        /** Priority field */

        EESMRInfoFieldPriority,

        };

    /** Definition for meeting request method */

    enum TMRMethod

        {

        /** Meeting request request method */

        EMRMethodRequest,

        /** Meeting request cancel method */

        EMRMethodCancel,

        /** Meeting request response method */

        EMRMethodResponse

        };

	enum TResponse

		{     

      		EMrCmdResponseAccept,

			EMrCmdResponseTentative,

			EMrCmdResponseDecline

		};    

public: // Destruction

    /**

     * Virtual destructor.

     */

    virtual ~MMRInfoObject()  { }

public: // Interface

    /**

     * Fetches the supported fields. Supported fields are stored to array 

     * given as parameter. Array defines the fields that can be fetched 

     * from meeting request info object

     *

     * @param aFields Reference to fields table.

     * @return KErrNone if successful, otherwise system wide error code.

     */

    virtual TInt SupportedFields( RArray<TESMRInfoField>& aFields ) const = 0;

    /**

     * Fetches meeting request id. 

     * @return Meeting request id.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const TDesC& UidL() const = 0;

    /**

     * Fetches meeting request sequence number. 

     * @return Meeting request sequence number.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TInt MRSequenceNumberL() const = 0;

    /**

     * Fetches meeting request method. 

     * @return Meeting request method. 

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TMRMethod MRMethodL() const = 0;

    /**

     * Fetches reference to MR Organizer.

     * @return Reference to MR Organizer.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual MMROrganizer& MROrganizerL() = 0;

    /**

     * Adds attendee to meeting request. Ownership is transferred

     * from caller.

     * @param aAttandee Pointer to added attendee.

     * @exception System wide error code.

     */

    virtual void AddAttendeeL( MMRAttendee* aAttendee ) = 0;

    /**

     * Fetches Meeting request attendees.

     * @return Reference to MR attendees.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual RPointerArray<MMRAttendee>& AttendeesL() = 0;

    /**

     * Sets creation time.

     * @param aTime MR creation time in utc format.

     * @exception System wide error code.

     */

    virtual void SetCreationTimeInUtcL( TTime aTime ) = 0;

    /**

     * Fetches meeting request utc creation time. 

     * @return MR creation time in utc format.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TTime CreationTimeInUtcL() const = 0;

    /**

     * Sets start time.

     * @param aTime MR start time in utc format.

     * @exception System wide error code.

     */

    virtual void SetStartTimeInUtcL( TTime aTime ) = 0;

    /**

     * Fetches meeting request utc start time. 

     * @return MR start time in utc format.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TTime StartTimeInUtcL() const = 0;

    /**

     * Sets end time.

     * @param aTime MR end time in utc format.

     * @exception System wide error code.

     */

    virtual void SetEndTimeInUtcL( TTime aTime ) = 0;

    /**

     * Fetches meeting request utc end time. 

     * @return MR end time in utc format.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TTime EndTimeInUtcL() const = 0;

    /**

     * Sets alarm time.

     * @param aTime MR alarm time in utc format.

     * @exception System wide error code.

     */

    virtual void SetAlarmInUtcL( TTime aTime ) = 0;    

    /*

     * Fetches meeting request utc alarm time.

     * @return MR alarm time in utc format.

     * @exception KErrNotFound, if field cannot be fetched.     

     */

    virtual TTime AlarmInUtcL() const = 0;

    /**

     * Sets meeting request location.

     * @param aLocation Reference to location.

     * @exception System wide error code.

     */

    virtual void SetLocationL( const TDesC& aLocation ) = 0;

    /**

     * Fetches meeting request location.

     * @return Reference to MR location.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const TDesC& LocationL() const = 0;

    /**

     * Sets meeting request description.

     * @param aLocation Reference to description.

     * @exception System wide error code.

     */

    virtual void SetDescriptionL( const TDesC& aDescription ) = 0;    

    /**

     * Fetches meeting request description.

     * @return Reference to MR description.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const TDesC& DescriptionL() const = 0;

    /**

     * Sets meeting request subject.

     * @param aLocation Reference to subject.

     * @exception System wide error code.

     */

    virtual void SetSubjectL( const TDesC& aSubject ) = 0;       

    /**

     * Fetches meeting request subject.

     * @return Reference to MR subject.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const TDesC& SubjectL() const = 0;    

    /**

     * meeting request response mutator

     * 

     */

    virtual void SetMRResponseL( TResponse aResponse ) = 0;

    /**

     * meeting request response accessor

     * 

     */

    virtual TResponse MRResponse() const = 0;

    /**

     * meeting request recurrence start time mutator

     * 

     */

    virtual void SetMRRecurrenceIdL( TTime aRecId ) = 0;

    /**

     * meeting request recurrence start time accessor

     * 

     */

    virtual TTime MRRecurrenceId() const = 0;

    /**

     * Sets recurrence rule information.

     * @return Reference to MR recurrence information.

     * @exception System wide error code.

     */

    virtual void SetRecurrenceRuleL(const MRRecurrenceRule& aRRule) = 0;

    /**

     * Fetches recurrence rule information.

     * @return Reference to MR recurrence information.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const MRRecurrenceRule& RecurrenceRuleL() const = 0;

    /**

     * Adds recurrence exception to this meeting request. Ownership is transferred

     * from caller.

     * @param aRule Reference to MR recurrence exception information.

     * @exception System wide error code.

     */

    virtual void AddRecurrenceExceptionL( MMRInfoObject* aException ) = 0;

    /**

     * Fetches recurrence exception information. 

     * @return Reference to MR recurrence exception information.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const RPointerArray<MMRInfoObject>& RecurrenceExceptionsL() const = 0;

    /**

     * Sets MR priority.

     * @param aPriority MR priority.

     * @exception System wide error code.

     */    

    virtual void SetPriorityL( TUint aPriority ) = 0;

    /**

     * Fetches MR priority.

     * @return MR priority.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual TUint PriorityL() const = 0;

    /**

     * Fetches meeting request attachments.

     * @return MR attachments.

     * @exception KErrNotFound, if field cannot be fetched.

     */

    virtual const RPointerArray<MMRAttachment>& AttachmentsL() const = 0;

    /**

     * Adds meeting request attachment. Ownership is transferred.

     * @param aAttachment Attacment to be added.

     * @exception System wide error code.

     */

    virtual void AddAttachmentsL(MMRAttachment* aAttachment) = 0;

    /**

     * Fetches MMRInfoObject extension interface. Caller is responsible

     * for casting returned parameter. Ownership is not transferred to 

     * caller.

     * @param aExtensionUid

     * @return Pointer to MMRInfoObject extension interface.

     */

    virtual TAny* ExtensionL( TUid aExtensionUid ) = 0;

    };

#endif // M_MRINFOOBJECT_H