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:  MPX Low Disk Space Watcher class

    15 *

    16 */

    17 

    18 

    19 #ifndef CMPXDISKWATCHER_H

    20 #define CMPXDISKWATCHER_H

    21 

    22 #include <f32file.h>

    23 

    24 class MMPXDiskSpaceObserver;

    25 

    26 /**

    27  *  Low disk space watcher for monitoring disk space

    28  *

    29  *  @lib mpxfilehandler.lib

    30  *  @since S60 3.0

    31  */

    32 NONSHARABLE_CLASS( CMPXDiskSpaceWatcher ) : public CActive

    33     {

    34 public:

    35 

    36     /**

    37     * Two-phase constructor

    38     * @param aFs File system session

    39     * @param aDrive aDrive to monitor

    40     * @param aObs Observer to the monitor class

    41     */

    42     static CMPXDiskSpaceWatcher* NewL( RFs& aFs, TInt aDrive,

    43                                        MMPXDiskSpaceObserver& aObs );

    44 

    45     /**

    46     * destructor

    47     */

    48     virtual ~CMPXDiskSpaceWatcher();

    49 

    50     /**

    51     * Start monitoring for low disk events

    52     */

    53     void StartL();

    54 

    55     /**

    56     * Check if we are low on disk space

    57     * @return ETrue if low on disk

    58     */

    59     TBool IsLowOnDisk();

    60 

    61     /**

    62      * Gets the currently monitored drive number

    63      *

    64      * @return Currectly monitored drive number

    65      */

    66      TInt CurrentDrive();

    67 

    68 protected:

    69 

    70     /**

    71     * Handle cancelling of active object request

    72     */

    73     void DoCancel();

    74 

    75     /**

    76     * Handle a change in event

    77     */

    78     void RunL();

    79 

    80 private:

    81 

    82     /**

    83     * Default Constructor

    84     */

    85     CMPXDiskSpaceWatcher( RFs& aFs, TInt aDrive,

    86                           MMPXDiskSpaceObserver& aObs );

    87 

    88     /**

    89     * Standard two-phase constructor

    90     */

    91     void ConstructL();

    92 

    93 private: // data

    94     RFs& iFs;             // Not owned

    95     TInt iDriveToMonitor; // Drive to monitor

    96     MMPXDiskSpaceObserver& iObs;

    97     };

    98 

    99 #endif //CMPXDISKWATCHER_H