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:  Observer interface to use with CDiagPluginPool 

    15 *

    16 */

    17 

    18 

    19 #ifndef DIAGPLUGINPOOLOBSERVER_H

    20 #define DIAGPLUGINPOOLOBSERVER_H

    21 

    22 // INCLUDES

    23 #include <e32cmn.h>     // TUid

    24 #include <e32def.h>     // TInt

    25 

    26 // FORWARD DECLARATIONS

    27 class MDiagPlugin;

    28 

    29 /**

    30 *  Diagnostics Framework Plugin Pool Observer

    31 *

    32 *  This interface is called by CDiagPluginPool to notify the plug-in 

    33 *  loading progress. This is used only for LoadAsyncL() scenario.

    34 *

    35 *  @since S60 v5.0

    36 */

    37 class MDiagPluginPoolObserver 

    38     {

    39 public:

    40 

    41     /**

    42     * Notify client of plug-in loading progress.

    43     *

    44     * @param aCurrPlugin   Current plugin index in loading process. 

    45     *                       Use it to display loading progress.

    46     * @param aPluginCount  Totals number of plug-ins

    47     * @param aLoadedPluginUid  Uid of the plug-in just loaded.

    48     */

    49     virtual void LoadProgressL( TUint aCurrentPlugin, 

    50                                 TUint aPluginCount, 

    51                                 const TUid& aLoadedPluginUid ) = 0;

    52 

    53 

    54     /**

    55     * Notify client of plug-in loading completion

    56     *

    57     * @param aError     KErrNone - Success

    58     *                   KErrCorrupt  - One ore more plugin could not

    59     *                   be loaded. 

    60     *                   KErrNoMemory - Not enough memory.

    61     */

    62     virtual void LoadCompletedL( TInt aError ) = 0;

    63     };

    64 

    65 

    66 #endif // DIAGPLUGINPOOLOBSERVER_H

    67 

    68 // End of File

    69