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 *     Class for observing free disk space and if disk space goes under critical

    16 *     level this cancels itself.

    17 *

    18 *

    19 */

    20 

    21 

    22 #ifndef __IMUMDISKSPACEOBSERVEROPERATION_H__

    23 #define __IMUMDISKSPACEOBSERVEROPERATION_H__

    24 

    25 //  INCLUDES

    26 #include <e32base.h>                // Basic Symbian Include

    27 #include <f32file.h>                // RFs

    28 

    29 #include "ImumOnlineOperation.h"

    30 #include "ImumDiskSpaceObserver.h"  // CImumDiskSpaceObserver

    31 

    32 // CONSTANTS

    33 // MACROS

    34 // DATA TYPES

    35 // FUNCTION PROTOTYPES

    36 // FORWARD DECLARATIONS

    37 // CLASS DECLARATION

    38 

    39 /**

    40 * CImumDiskSpaceObserverOperation

    41 * Class for observing free disk space and if disk space goes under critical

    42 * level this cancels itself.

    43 * note: Derived class MUST call BaseConstructL in its ConstuctL

    44 */

    45 class CImumDiskSpaceObserverOperation :

    46     public CImumOnlineOperation,

    47     public MImumDiskSpaceObserver

    48     {

    49     public:

    50 

    51         /**

    52         * Destructor

    53         */

    54         virtual ~CImumDiskSpaceObserverOperation();

    55 

    56     protected: // From base classes

    57     protected: // Constructors

    58 

    59         /**

    60         * C++ default constructor.

    61         * Parameters like in CImumOnlineOperation

    62         */

    63         CImumDiskSpaceObserverOperation(

    64             CImumInternalApi& aMailboxApi,

    65             TInt aPriority,

    66             TRequestStatus& aObserverRequestStatus,

    67             MMsvProgressReporter& aReporter);

    68 

    69         /**

    70         * Opens connection to shared data and calls CImumOnlineOperation::BaseConstructL

    71         * note: Derived class MUST call BaseConstructL in its ConstuctL

    72         * @param aMtmType: mtm uid of the current operation

    73         */

    74         void BaseConstructL( TUid aMtmType );

    75 

    76     private: // From Baseclasses

    77 

    78         /**

    79         * Function to execute the disk space check from current drive

    80         * @since S60 3.0

    81         * @KErrNone, when everything is ok

    82         * @KErrDiskFull, when no disk space for operation

    83         */

    84         TInt DoDiskSpaceCheckL();

    85 

    86         /**

    87         *

    88         * @since S60 3.0

    89         */

    90         void HandleDiskSpaceEvent();

    91 

    92         /**

    93         *

    94         * @since S60 3.0

    95         */

    96         void DoCancel();

    97 

    98     private: // New Functions

    99     private: // Data

   100 

   101         // Disk Space Oserver

   102         CImumDiskSpaceObserver* iDiskObserver;

   103         

   104         // Create own instance of API because ImumDiskSpaceObserver outlives

   105         // the owner of iMailboxApi reference in ImumOnlineOperation

   106         CImumInternalApi* iEmailApi;

   107     };

   108 

   109 

   110 #endif      // __IMUMDISKSPACEOBSERVEROPERATION_H__

   111 

   112 // End of File