1 /*

     2 * Copyright (c) 2008-2009 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:    Implementation class for Medialist Access for Data

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef _GLXMEDIALISTMULMODELPROVIDER_H_

    22 #define _GLXMEDIALISTMULMODELPROVIDER_H_

    23 

    24 #include <e32base.h>                        // Container Base Class

    25 #include <mul/imulwidget.h>

    26 

    27 // Forward declarations

    28 class CAlfEnv;                              // This is the UI Accelerator Toolkit environment object

    29 class MGlxMediaList;                        // Interface for reading lists of media items

    30 class TGlxMulBindingSetFactory;             // Create binding set

    31 class CGlxMediaListMulModelProviderImpl;    // Actual implemntation for providign the data to the clients is done here

    32 

    33 /**

    34 * CGlxMediaListMulModelProvider is the provider class which provides data for 

    35 * list view, grid view. 

    36 * This doesnt have any implementaiton.

    37 * This actual implementaion is provided in CGlxMediaListMulModelProviderImpl

    38 */

    39 NONSHARABLE_CLASS( CGlxMediaListMulModelProvider ) : public CBase

    40     {

    41 public:

    42 	/**

    43 	* The client uses this API to create the provider

    44 	* @param aEnv The Alf Environment

    45 	* @param aWidget The widget being used by client for which the model has to be set

    46 	* @param aMediaList The instance of medialist which provides data for the model

    47 	* @param aFactory The instance of the bindingset factory 

    48 	* @param aDefaultTemplate The template that is being used for the widget.

    49 	*/

    50     IMPORT_C static CGlxMediaListMulModelProvider* NewL( CAlfEnv& aEnv, 

    51 											Alf::IMulWidget& aWidget, 

    52 											MGlxMediaList& aMediaList, 

    53 											const TGlxMulBindingSetFactory& aFactory, 

    54 											Alf::mulwidget::TLogicalTemplate aDefaultTemplate,

    55 											TInt aDataWindowSize );

    56     /**

    57 	* Destructor

    58 	*/            

    59     IMPORT_C ~CGlxMediaListMulModelProvider();

    60     

    61       /**

    62       * Requests the data model to update

    63       * 

    64       * @param aIndex Position from where items have to be updated.

    65       * @param aCount Number of items to be updated.

    66       */ 

    67     IMPORT_C void UpdateItems( TInt aIndex, TInt aCount );

    68 

    69       /**

    70       * Enable/disable animation

    71       * @param aAnimate - ETrue to enable the animation; EFalse Otherwise.

    72       */ 

    73     IMPORT_C void AnimateDRMGifItem( TBool aAnimate );

    74 

    75 private:

    76     CGlxMediaListMulModelProvider();

    77     

    78     /** ConstructL

    79 	* @param aEnv Env variable of ALF

    80  	* @param aWidget Alf Widget type

    81  	* @param aMediaList medialist from which attributes to be fetched

    82  	* @param aDefaultTemplate Template that will be set to model

    83  	*/

    84     void ConstructL(CAlfEnv& aEnv, 

    85 					Alf::IMulWidget& aWidget, 

    86 					MGlxMediaList& aMediaList,

    87 					const TGlxMulBindingSetFactory& aFactory, 

    88 					Alf::mulwidget::TLogicalTemplate aDefaultTemplate,

    89 					TInt aDataWindowSize );

    90 

    91 	// The implementaion APIs of CGlxMediaListMulModelProviderImpl 

    92 	// have to be called: owns

    93     CGlxMediaListMulModelProviderImpl* iImpl;

    94     };

    95     

    96 #endif // _GLXMEDIALISTMULMODELPROVIDER_H_

    97