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:  Wraps wait note and real work thread

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CFILEMANAGERACTIVEBASE_H

    21 #define CFILEMANAGERACTIVEBASE_H

    22 

    23 // INCLUDES

    24 #include <e32std.h>

    25 #include <AknWaitNoteWrapper.h>

    26 #include "MFileManagerThreadFunction.h"

    27 

    28 // FORWARD DECLARATIONS

    29 class CFileManagerThreadWrapper;

    30 

    31 // CLASS DECLARATION

    32 /**

    33 * Class wraps wait note and real work thread to avoid long running steps 

    34 * in the main thread that freezes the UI.

    35 *

    36 *  @lib FileManagerEngine.lib

    37 *  @since 3.2

    38 */

    39 NONSHARABLE_CLASS(CFileManagerActiveBase) : public CBase,

    40                               public MAknBackgroundProcess,

    41                               public MFileManagerThreadFunction

    42     {

    43     public:

    44         /**

    45         * Constructor for subclasses.

    46         */

    47         void BaseConstructL();

    48 

    49         /**

    50         * Destructor.

    51         */

    52         ~CFileManagerActiveBase();

    53 

    54         TInt Result() const;

    55 

    56     private: // From MAknBackgroundProcess

    57         void StepL();

    58 

    59         TBool IsProcessDone() const;

    60 

    61         void DialogDismissedL( TInt aButtonId );

    62 

    63     private: // From MFileManagerThreadFunction

    64         void ThreadStepL();

    65 

    66         TBool IsThreadDone();

    67 

    68         void NotifyThreadClientL( TNotifyType aType, TInt aValue );

    69 

    70     protected:

    71         /**

    72         * For subclasses to handle all processing in work thread

    73         */

    74         virtual void ThreadFunctionL( const TBool& aCanceled ) = 0;

    75 

    76         /**

    77         * For subclasses to request cancel in work thread

    78         */

    79         virtual void CancelThreadFunction();

    80 

    81     protected:

    82         /**

    83         * C++ default constructor.

    84         */

    85         CFileManagerActiveBase();

    86 

    87     private: // Data

    88         // Wraps work thread control. Own.

    89         CFileManagerThreadWrapper* iThreadWrapper;

    90 

    91         // Indicates if background process is done or not

    92         TBool iDone;

    93 

    94         // Indicates if thread is canceled

    95         TBool iCanceled;

    96 

    97         // Indicates the result

    98         TInt iResult;

    99 

   100     };

   101 

   102 #endif      // CFILEMANAGERACTIVEBASE_H

   103             

   104 // End of File

   105