1 /*

     2  * Copyright (c) 2008 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:  ?Description

    15  *

    16  */

    17 

    18 #ifndef C_CAUSIFUNINSTALLOPERATION_H

    19 #define C_CAUSIFUNINSTALLOPERATION_H

    20 

    21 #include <e32base.h>

    22 #include <usif/sif/sif.h>

    23 

    24 using namespace Usif;

    25 

    26 /**

    27  * Uninstall Operation

    28  * Encapsulates the functionality of uninstalling an application.

    29  *

    30  *  @lib caclient.lib

    31  */

    32 NONSHARABLE_CLASS(CCaUsifUninstallOperation): public CActive {

    33 

    34 public:

    35     /**

    36     * Destructor

    37     */

    38     virtual ~CCaUsifUninstallOperation();

    39     

    40     /**

    41      * Two-phased constructor. Leaves on failure.

    42      * Allocates memory for and constructs an uninstaller object. After that

    43      * starts asynchronous uninnstallation of the requested entry

    44      * @param aEntry entry to be uninstalled

    45      * @param aPriority priority of the active scheduler responsible for handling

    46      * asynchronous installation operation

    47      * @return The constructed object.

    48      */

    49     static CCaUsifUninstallOperation *NewL(TComponentId, TInt aPriority =

    50             CActive::EPriorityStandard);

    51 

    52 private:

    53     // construction

    54     /**

    55      * Constructor.

    56      * Starts active scheduler.

    57      * @param aEntry entry to be uninstalle

    58      * @param aPriority priority of the active scheduler responsible for handling

    59      * asynchronous installation operation

    60      */

    61     CCaUsifUninstallOperation(TInt aPriority);

    62     

    63     /**

    64      * Initializes the object and starts asynchronous uninstallation process.

    65      * @param aEntry entry to be uninstalle

    66      * asynchronous installation operation

    67      */

    68     void ConstructL(TComponentId aComponentId);

    69     

    70 

    71 

    72 private:

    73     // from CActive

    74 

    75     void RunL();

    76     void DoCancel();

    77     TInt RunError(TInt aError);

    78 

    79 private:

    80     COpaqueNamedParams* iArguments;

    81     COpaqueNamedParams* iResults;

    82 

    83     RSoftwareInstall iUninstaller;

    84 };

    85 

    86 #endif // C_CAUSIFUNINSTALLOPERATION_H