1 /*

     2 * Copyright (c) 2006 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:  MPX view activcation observer interface definition

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef MMPXVIEWACTIVATIONOBSERVER_H

    21 #define MMPXVIEWACTIVATIONOBSERVER_H

    22 

    23 

    24 // INCLUDES

    25 #include <e32std.h>

    26 

    27 

    28 // FORWARD DECLARATIONS

    29 

    30 

    31 // CLASS DECLARATION

    32 

    33 /**

    34  *  MPX view activation observer.

    35  *

    36  *  @lib mpxviewutility.lib

    37  */

    38 NONSHARABLE_CLASS( MMPXViewActivationObserver )

    39     {

    40 public:

    41     enum TViewUpdateEvent

    42         {

    43         EViewPluginAdd,

    44         EViewPluginUpdate,

    45         EViewPluginRemove

    46         };

    47 

    48 public:

    49 

    50     /**

    51      * Handle view activation.

    52      *

    53      * @since S60 3.2.3

    54      * @param aCurrentViewType Current view type Uid.

    55      * @param aPreviousViewType Previous view type Uid.

    56      */

    57     virtual void HandleViewActivation(

    58         const TUid& aCurrentViewType,

    59         const TUid& aPreviousViewType ) = 0;

    60 

    61     /**

    62      * Called in case a view plugin is added/updated/removed through a SIS install.

    63      *

    64      * @since S60 3.2.3

    65      * @param aViewUid view UID

    66      * @param aUpdateEvent Defines the update type (addition/update/removal).

    67      * @param aLoaded ETrue if the view plugin is loaded, EFalse otherwise. It is recommended

    68      *          that client applications exit when loaded plugins are updated or removed.

    69      *          This would normally be handled in the AppUi.

    70      * @param aData Its meaning depends on the update event:

    71      *            EViewPluginAdd - new view plugin version

    72      *            EViewPluginUpdate - new view plugin version

    73      *            EViewPluginRemove - old view plugin version

    74      */

    75     virtual void HandleViewUpdate(

    76         TUid /* aViewUid */,

    77         TViewUpdateEvent /* aUpdateEvent */,

    78         TBool /* aLoaded */,

    79         TInt /* aData */) {};

    80     };

    81 

    82 #endif  // MMPXVIEWACTIVATIONOBSERVER_H

    83 

    84 // End of File