PECengine/StorageManager2/ClientSrc/RPEngStorageClient.h
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     1 /*
       
     2 * Copyright (c) 2002 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:  Storage main client
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef __RPENGSTORAGECLIENT_H__
       
    19 #define __RPENGSTORAGECLIENT_H__
       
    20 
       
    21 //  INCLUDES
       
    22 #include <e32std.h>
       
    23 
       
    24 /**
       
    25  *  Storage Main client
       
    26  *  It is used for connecting of the storage sub-clients
       
    27  *
       
    28  *  @lib PEngStoreMan2.dll
       
    29  *  @since 3.0
       
    30  */
       
    31 
       
    32 // CLASS DECLARATION
       
    33 NONSHARABLE_CLASS(  RPEngStorageClient ):
       
    34         public RSessionBase
       
    35     {
       
    36 
       
    37 public:     // Constructors and destructors
       
    38     /**
       
    39      * Destructor.
       
    40      */
       
    41     ~RPEngStorageClient();
       
    42 
       
    43     /**
       
    44      * C++ default constructor.
       
    45      */
       
    46     RPEngStorageClient();
       
    47 
       
    48 public: // Connect close methods
       
    49 
       
    50     /**
       
    51      * Connects to the presence server
       
    52      *
       
    53      *  @since 3.0
       
    54      *  @return KErrNone if connected
       
    55      *       or any of system wide error codes
       
    56      */
       
    57     TInt Connect();
       
    58 
       
    59     /**
       
    60      *  Close connection to the presence server
       
    61      *
       
    62      *  @since 3.0
       
    63      */
       
    64     void Close();
       
    65 
       
    66 public: // new methods for Client usage
       
    67 
       
    68     /**
       
    69      *  Get Session Slot state
       
    70      *
       
    71      *  @since 3.0
       
    72      *  @param aSessionName packed session slot Id
       
    73      *  @param aSessionState on returns contain packed session slot
       
    74      *          state
       
    75      *  @return KErrNone if request went through, or system wide error
       
    76      */
       
    77     TInt SessionSlotState( const TDesC8& aSessionName,
       
    78                            HBufC8*& aSessionState,
       
    79                            TInt aInitSize );
       
    80 
       
    81     /**
       
    82      *  Get list of States of all known Session Slots
       
    83      *
       
    84      *  @since 3.0
       
    85      *  @param aSessionSlotsBuffer on return contact packed session
       
    86      *              slot states of all available session slots
       
    87      *  @return KErrNone if request went through, or system wide error
       
    88      */
       
    89     TInt AllSessionSlotsStates( HBufC8*& aSessionSlotsBuffer,
       
    90                                 TInt aInitSize );
       
    91 
       
    92     /**
       
    93      *  Start listening global Events of the storage manager
       
    94      *
       
    95      *  @since 3.0
       
    96      *  @return KErrNone if request went through, or system wide error
       
    97      */
       
    98     TInt ListenGlobalEvents();
       
    99 
       
   100     /**
       
   101      *  Reload global listener
       
   102      *
       
   103      *  @since 3.0
       
   104      *  @param aGlobalEventBuffer buffer new event will be written
       
   105      *          when it occures.
       
   106      *  @param aStatus TRequestStatus for reloading
       
   107      *  @return KErrNone if request went through, or system wide error
       
   108      */
       
   109     TInt ReloadGlobalEventListener( TDes8& aGlobalEventBuffer,
       
   110                                     TRequestStatus& aStatus );
       
   111 
       
   112     /**
       
   113      *  Stop global events listener
       
   114      *
       
   115      *  @since 3.0
       
   116      *  @return KErrNone if request went through, or system wide error
       
   117      */
       
   118     TInt StopEventListening();
       
   119 
       
   120     /**
       
   121      *  Create Session Sub-folder to the storage manager store
       
   122      *
       
   123      *  @since 3.0
       
   124      *  @param aSessionName packed session slot Id
       
   125      *  @param aApplicationId application Id
       
   126      *  @return KErrNone if request went through, or system wide error
       
   127      */
       
   128     TInt CreateSessionFolder( const TDesC8& aSessionSlot,
       
   129                               const TDesC16& aApplicationId );
       
   130 
       
   131     /**
       
   132      *  Remove Session Sub-folder in the storage manager store
       
   133      *
       
   134      *  @since 3.0
       
   135      *  @param aSessionName packed session slot Id
       
   136      *  @param aApplicationId application Id
       
   137      *  @return KErrNone if request went through, or system wide error
       
   138      */
       
   139     TInt RemoveSessionFolder( const TDesC8& aSessionSlot,
       
   140                               const TDesC16& aApplicationId );
       
   141 
       
   142 private:    // New functions
       
   143 
       
   144     /**
       
   145      * Get version
       
   146      * @since 3.0
       
   147      * @return version of the client
       
   148     */
       
   149     TVersion Version() const;
       
   150 
       
   151 private:    // Data
       
   152 
       
   153     /// Flag if client is connected to the Storage Server
       
   154     TBool                   iConnected ;
       
   155 
       
   156     };
       
   157 
       
   158 #endif      //  __RPENGSTORAGECLIENT_H__
       
   159 
       
   160 
       
   161