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:  

    15 *

    16 */

    17 

    18 

    19 #ifndef M_CATALOGSHTTPSESSIONMANAGER_H

    20 #define M_CATALOGSHTTPSESSIONMANAGER_H

    21 

    22 #include <e32base.h>

    23 

    24 class MCatalogsHttpOperation;

    25 class MCatalogsHttpConfig;

    26 class CCatalogsHttpConfig;

    27 class MCatalogsHttpObserver;

    28 class CCatalogsHttpConnectionCreator;

    29 class CCatalogsHttpConnectionManager;

    30 class CDocumentHandler;

    31 

    32 class MCatalogsHttpSessionManager

    33     {

    34     public:

    35     

    36         virtual void AddRef() = 0;

    37         virtual TInt Release() = 0;

    38         

    39         /**

    40         * Starts the operation if there are enough free connections. Otherwise

    41         * the operation is queued

    42         * @param aOperation The operation

    43         * @return 

    44         */

    45         virtual TInt StartOperation( MCatalogsHttpOperation* aOperation ) = 0;

    46         virtual TInt PauseOperation( MCatalogsHttpOperation* aOperation ) = 0;

    47         virtual TInt CompleteOperation( MCatalogsHttpOperation* aOperation ) = 0;

    48         

    49         /**

    50         * The operations priority has changed

    51         * @param aOperation The operation         

    52         * @param Symbian error code

    53         */

    54         virtual TInt OperationPriorityChanged( MCatalogsHttpOperation* aOperation ) = 0;

    55         

    56 

    57         /**

    58          * Connection creator getter

    59          * Connection creator is created if necessary

    60          */                          

    61         virtual CCatalogsHttpConnectionCreator& ConnectionCreatorL() = 0;

    62         

    63         /**

    64          * Sets resume mode

    65          * If resume mode is true, then an operation is resumed when some operation is canceled.

    66          * If resume mode is false, then nothing is resumed when some operation is canceled.

    67          * This is used when all operations are canceled at once

    68          */

    69         virtual void SetResumeMode( TBool aResumeQueued ) = 0;

    70         

    71         /**

    72          * Document handler getter

    73          * @return Document handler instance

    74          */

    75         virtual CDocumentHandler& DocumentHandler() = 0;

    76         

    77         /**

    78          * Disconnects network connection if it is not used by any

    79          * client anymore

    80          * 

    81          * @return ETrue if the connection was up

    82          */

    83         virtual TBool DisconnectL() = 0; 

    84                 

    85 protected:

    86 

    87     virtual ~MCatalogsHttpSessionManager()

    88         {

    89         }

    90     };

    91 

    92 

    93 #endif // M_CATALOGSHTTPSESSIONMANAGER_H