ximpfw/presence/srcpresencedatamodel/presencewatching/presentitypresencesubscriptionitem.h
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     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Presence Service Connection presentity presence subscription implementation.
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef CPSCPRESENTITYPRESENCESUBSCRIPTIONITEM_H
       
    19 #define CPSCPRESENTITYPRESENCESUBSCRIPTIONITEM_H
       
    20 
       
    21 #include <e32base.h>
       
    22 #include "presenceinfoimp.h"
       
    23 #include "ximpsubscriptionitembase.h"
       
    24 
       
    25 class MXIMPItemParentBase;
       
    26 class MXIMPPscContext;
       
    27 class CPresenceInfoFilterImp;
       
    28 class MXIMPIdentity;
       
    29 class CXIMPIdentityImp;
       
    30 
       
    31 
       
    32 /**
       
    33  * PSC group list subscription implementation
       
    34  *
       
    35  * @since S60 v3.2
       
    36  */
       
    37 class CPresentityPresenceSubscriptionItem : public CXIMPSubscriptionItemBase
       
    38     {
       
    39 public: // Construction and destruction
       
    40 
       
    41     /**
       
    42      * Construction
       
    43      * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
       
    44      */
       
    45     static CPresentityPresenceSubscriptionItem* NewLC( MXIMPItemParentBase& aParent, 
       
    46                                                               const CXIMPIdentityImp& aIdentity );
       
    47     /**
       
    48      * Destruction
       
    49      * - Remember to inform parent about delete.
       
    50      */
       
    51     ~CPresentityPresenceSubscriptionItem();
       
    52 
       
    53 private: // Construction and destruction
       
    54 
       
    55     /**
       
    56      * Construction
       
    57      * @param aParent. Parent has to be informed when this object is deleted by RemoveMe method.
       
    58      */
       
    59     CPresentityPresenceSubscriptionItem( MXIMPItemParentBase& aParent );
       
    60 
       
    61     /**
       
    62      * Construction
       
    63      */
       
    64     void ConstructL( const CXIMPIdentityImp& aIdentity );
       
    65 
       
    66 public: // New methods
       
    67 
       
    68 
       
    69     /**
       
    70      * Current presence information filter.
       
    71      * @return Current presence information filter.
       
    72      */
       
    73     IMPORT_C CPresenceInfoFilterImp& SubscriptionPif();
       
    74     
       
    75     /**
       
    76      * Set current presence information filter. Overwrites existing one.
       
    77      * Ownership is transferred to callee.
       
    78      * @param aPif Current presence information filter.
       
    79      */
       
    80     IMPORT_C void SetSubscriptionPif( CPresenceInfoFilterImp* aPif );
       
    81 
       
    82     /**
       
    83      * Collect aggregated presence information filter without given context.
       
    84      * @param aContext. Exluded context from aggregated pif.
       
    85      * @return Aggregated pif without exluded context.
       
    86      */    
       
    87     IMPORT_C CPresenceInfoFilterImp* CollectSubscriptionPifWithoutCtxL( 
       
    88                                                     MXIMPPscContext* aContext );
       
    89     
       
    90     /**
       
    91      * Set presence information. Overwrites existing one.
       
    92      * @param aPresenceInfo. New presence information.
       
    93      */
       
    94     IMPORT_C void SetPresenceInfoL( CPresenceInfoImp* aPresenceInfo );
       
    95     
       
    96     
       
    97     /**
       
    98      * For ordering items.
       
    99      * @param aA Key item for ordering.
       
   100      * @param aB Item to compare
       
   101      * @return -1 if aB is greater than aA
       
   102      *          0 if they are same
       
   103      *          1 if aA if greater than aB.
       
   104      */    
       
   105     IMPORT_C static TInt Order( const CPresentityPresenceSubscriptionItem& aA,
       
   106                          const CPresentityPresenceSubscriptionItem& aB );
       
   107 
       
   108     /**
       
   109      * For ordering items using identity as key.
       
   110      * @param aA Key identity for ordering.
       
   111      * @param aB Item to compare
       
   112      * @return -1 if aB is greater than aA
       
   113      *          0 if they are same
       
   114      *          1 if aA if greater than aB.
       
   115      */    
       
   116     IMPORT_C static TInt IdentityOrder( const CXIMPIdentityImp* aA,
       
   117                          const CPresentityPresenceSubscriptionItem& aB );
       
   118     /**
       
   119      * Identity of item.
       
   120      * @return Identity of item.     
       
   121      */
       
   122     IMPORT_C const MXIMPIdentity& Identity() const;
       
   123 
       
   124     /**
       
   125      * Group Identity of item.
       
   126      * @return the Group identity of item.     
       
   127      */
       
   128     IMPORT_C const MXIMPIdentity* GroupIdentity() const;
       
   129 
       
   130     /**
       
   131      * Set identity for item
       
   132      * @param aIdentity. New identity for item. Ownership is transferred.(??)
       
   133      */
       
   134     IMPORT_C void SetIdentity( CXIMPIdentityImp* aIdentity );
       
   135     
       
   136      /**
       
   137      * Set group identity for item
       
   138      * @param aGroup. New identity for item. Ownership is transferred.
       
   139      */
       
   140     IMPORT_C void SetGroupIdentity( CXIMPIdentityImp* aGroup );
       
   141 
       
   142     
       
   143 public: // From MXIMPSubscriptionItem
       
   144 
       
   145     /**
       
   146      * @see MXIMPSubscriptionItem
       
   147      */
       
   148     void SynthesiseSubscriptionEventToL( MXIMPPscContext* aContext, TBool aForceEvent );
       
   149     
       
   150 private: // From CXIMPSubscriptionItemBase
       
   151 
       
   152     /**
       
   153      * @see CXIMPSubscriptionItemBase
       
   154      */
       
   155     void CleanExpired();
       
   156 
       
   157 private: // Data
       
   158 
       
   159     /**
       
   160      * Current presence information filter.
       
   161      */
       
   162     CPresenceInfoFilterImp* iPif;
       
   163         
       
   164     /**
       
   165      * Current presence info for item
       
   166      * Own
       
   167      */
       
   168     CPresenceInfoImp* iPresenceInfo;
       
   169     
       
   170     /**
       
   171      * Identity of item
       
   172      * Own
       
   173      */
       
   174     CXIMPIdentityImp* iIdentity;
       
   175 
       
   176     /**
       
   177      * Identity of group item
       
   178      * TODO: must be an array
       
   179      * own
       
   180      */
       
   181     CXIMPIdentityImp* iGroupIdentity;
       
   182     };
       
   183 
       
   184 
       
   185 /* ======================================================================== */
       
   186 
       
   187 
       
   188 
       
   189 #endif // CPSCPRESENTITYPRESENCESUBSCRIPTIONITEM_H