filemanager/Engine/inc/CFileManagerActiveBase.h
changeset 14 1957042d8c7e
parent 1 d1daf54a55b5
child 16 ada7962b4308
equal deleted inserted replaced
1:d1daf54a55b5 14:1957042d8c7e
     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