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 the License "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 for category data changes.*

    15 */

    16 

    17 

    18 

    19 

    20 #ifndef VCXHGMYVIDEOSCATEGORYMODELOBSERVER_H

    21 #define VCXHGMYVIDEOSCATEGORYMODELOBSERVER_H

    22 

    23 // INCLUDES

    24 

    25 #include <mpxcollectionmessagedefs.h>

    26 #include <mpxitemid.h>

    27 

    28 // FORWARD DECLARATIONS

    29 

    30 class CMPXMediaArray;

    31 class CMPXMedia;

    32 

    33 // CLASS DECLARATION

    34 

    35 /**

    36  * Observer interface for category data changes.

    37  * 

    38  * @lib vcxhgmyvideos.lib

    39  */

    40 NONSHARABLE_CLASS( MVcxHgMyVideosCategoryModelObserver )

    41     {

    42     public:

    43     

    44         /**

    45          * Called when a list of categories is available.

    46          * Ownership of array is transferred.

    47          * 

    48          * @param aCategoryList List of categories

    49          * @param aIsPartial    ETrue if list fetching continues, and KVcxMessageMyVideosListComplete 

    50          *                      message will arrive. EFalse if this is last event of list fetching.

    51          */

    52         virtual void NewCategoryListL( CMPXMediaArray* aCategoryList, TBool aIsPartial ) = 0;

    53 

    54         /**

    55          * Called when the list of categories has been modified.

    56          */

    57         virtual void CategoryListModifiedL() = 0;

    58 

    59         /**

    60          * Called when a single category has been modified (add/remove/modify).

    61          * 

    62          * @param aEventType Type of modification event (add/remove/modify).

    63          * @param aMpxItemId MPX Item Id of the modified item.

    64          */

    65         virtual void CategoryModifiedL( TMPXChangeEventType aEventType, 

    66                                         TMPXItemId& aMpxItemId ) = 0;

    67         

    68         /**

    69          * Called when category list items have been fetched.

    70          */

    71         virtual void CategoryListFetchingCompletedL() = 0;

    72 

    73     };

    74 

    75 #endif // VCXHGMYVIDEOSCATEGORYMODELOBSERVER_H