1 /*

     2 * Copyright (c) 2007 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:  Class for notify disk watcher

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef C_DISK_WATCHER_H

    21 #define C_DISK_WATCHER_H

    22 

    23 //  INCLUDES

    24 #include <e32std.h>

    25 #include <f32file.h>

    26 #include "diskwatcherbase.h"

    27 #include "disknotifyhandler.h"

    28 

    29 // CLASS DECLARATION

    30 /**

    31 * Class provides functionality of notify disk watcher.

    32 *

    33 * @since S60 5.0

    34 */

    35 NONSHARABLE_CLASS(CDiskWatcher) : public CDiskWatcherBase

    36     {

    37 public:

    38     /**

    39     * This is a two-phase constructor method to create a new watcher instance.

    40     *

    41     * @since S60 5.0

    42     * @param aCallback Reference to callback

    43     * @param aFs Reference to open file server session

    44     * @return A pointer to a new watcher instance.

    45     */

    46     static CDiskWatcher* NewL(

    47         MDiskNotifyHandlerCallback& aCallback,

    48         RFs& aFs );

    49 

    50     /**

    51     * Destructor.

    52     */

    53     ~CDiskWatcher();

    54 

    55     /**

    56     * Activates watcher

    57     *

    58     * @since S60 5.0

    59     */

    60     void Activate();

    61 

    62 private: // From CDiskWatcherBase

    63     void WatcherError( TInt aError, const TBool& aKilled );

    64     void ReactivateWatcher();

    65     void RunWatcher( const TBool& aKilled );

    66     void CancelWatcher();

    67 

    68 private:

    69     CDiskWatcher(

    70         MDiskNotifyHandlerCallback& aCallback,

    71         RFs& aFs );

    72     void ConstructL();

    73 

    74     NONSHARABLE_CLASS( TWatcherInfo )

    75         {

    76         public:

    77             void Read( RFs& aFs, TInt aDrive );

    78             TBool IsChanged( const TWatcherInfo& aNewInfo ) const;

    79             void Reset();

    80         public:

    81             TDriveInfo iDriveInfo;

    82             TUint iDriveStatus;

    83         };

    84 

    85 private:

    86     TFixedArray< TWatcherInfo, KMaxDrives > iInfoList;

    87     };

    88 

    89 

    90 #endif // C_DISK_WATCHER_H   

    91 

    92 // End of File