1 /*

     2 * Copyright (c) 2009-2009 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: CCCaFactoryExtensionNotifier

    15 *

    16 */

    17 

    18 #ifndef CCAFACTORYEXTENSIONOBSERVER_H

    19 #define CCAFACTORYEXTENSIONOBSERVER_H

    20 

    21 // INCLUDES

    22 #include <e32std.h>

    23 #include <e32base.h>

    24 #include <ecom.h>

    25 

    26 // CLASS DECLARATION

    27 class CCCAExtensionFactory;

    28 

    29 NONSHARABLE_CLASS(CCCaFactoryExtensionNotifier) : public CActive

    30     {

    31 public:

    32     // Constructors and destructor

    33 

    34     /**

    35      * Destructor.

    36      */

    37     ~CCCaFactoryExtensionNotifier();

    38 

    39     /**

    40      * Two-phased constructor.

    41      */

    42     IMPORT_C static CCCaFactoryExtensionNotifier* NewL();

    43     

    44     /**

    45      * Sets the callback

    46      * 

    47      * @since TB 9.2

    48      */

    49     IMPORT_C void ObserveExtensionFactory( TCallBack& aCallBack );

    50     

    51     /**

    52      * Returns CCCAExtensionFactory pointer

    53      *

    54      * @return CCCAExtensionFactory

    55      * @since TB 9.2

    56      */

    57     IMPORT_C CCCAExtensionFactory* ExtensionFactory();

    58     

    59 protected:  // From CActive

    60     void DoCancel();

    61     void RunL();

    62     

    63 private:

    64 

    65     /**

    66      * Constructor for performing 1st stage construction

    67      */

    68     inline CCCaFactoryExtensionNotifier();

    69 

    70     /**

    71      * EPOC default constructor for performing 2nd stage construction

    72      */

    73     inline void ConstructL();

    74     

    75     /**

    76     * Checks if implementation plugins are available, creates/deletes 

    77     * extension factory accordingly and notifies clients.

    78     *

    79     * @since TB 9.2

    80     */

    81     void CreateExtensionFactoryL();

    82     

    83 private:

    84     TCallBack iCallBack;

    85     CCCAExtensionFactory* iExtensionFactory;

    86     REComSession* iEComSession;

    87     

    88     };

    89 

    90 #endif // CCAFACTORYEXTENSIONOBSERVER_H