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:  Execution context class definition.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_VTUIEXECUTIONCONTEXT_H

    20 #define C_VTUIEXECUTIONCONTEXT_H

    21 

    22 #include "cvtuicmdcontext.h"

    23 

    24 /**

    25  *  CVtUiExecutionContext

    26  *

    27  *  Command execution context. This context is used for checking whether or not

    28  *  a command is allowed to be performed.

    29  *

    30  *  @since S60 v3.2

    31  */

    32 NONSHARABLE_CLASS( CVtUiExecutionContext ) : public CVtUiCmdContext

    33     {

    34 

    35 public: // public methods

    36 

    37     /**

    38      * C++ destructor.

    39      */

    40     ~CVtUiExecutionContext();

    41 

    42     /**

    43      * Static constructor.

    44      *

    45      * @param aCommandManager Reference to command manager.

    46      * @return Newly created instance of CVtUiExecutionContext class.

    47      */

    48     static CVtUiExecutionContext* NewL( MVtUiCommandManager& aCommandManager );

    49 

    50 public: // from CVtUiCmdContext

    51 

    52     /**

    53      * @see CVtUiCmdContext::ValidateL

    54      */

    55     void ValidateL( CVtUiCmdValidationActionBase& aAction );

    56 

    57 private:

    58 

    59     /**

    60      * C++ constructor

    61      */

    62     CVtUiExecutionContext( MVtUiCommandManager& aCommandManager );

    63 

    64     /**

    65      * 2nd constructor, may leave.

    66      */

    67     void ConstructL();

    68 

    69 private: // data

    70 

    71     };

    72 

    73 #endif // C_VTUIEXECUTIONCONTEXT_H