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:    SortOrder command handler

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef C_GLXCOMMANDHANDLERSORTORDER_H

    22 #define C_GLXCOMMANDHANDLERSORTORDER_H

    23 

    24 // INCLUDES

    25 #include <e32base.h>

    26 #include <glxmedialistcommandhandler.h>

    27 #include <glxfilterfactory.h>		// For TGlxFilterFactory

    28 

    29 

    30 //FORWARD DECLARATION

    31 class MGlxMediaListProvider;

    32 

    33 /**

    34  * @class CGlxCommandHandlerSortOrder

    35  *

    36  * Command handler that changes the sorting criteria of the MediaList

    37  *

    38  */

    39 NONSHARABLE_CLASS (CGlxCommandHandlerSortOrder)

    40     : public CGlxMediaListCommandHandler

    41 	{

    42 	    

    43 	    friend class ut_cglxcommandhandlersortorder;

    44 public:

    45 

    46     /**

    47      * Two-phase constructor

    48      * @param aMediaListProvider object that provides the media list

    49      * @param aCRKey The settings key which used by the commandhandler 

    50      *								set/get the sort order setting

    51      */

    52 	IMPORT_C static CGlxCommandHandlerSortOrder* NewL(

    53 							MGlxMediaListProvider* aMediaListProvider,

    54 							const TUint32 aCRKey);

    55 

    56 

    57 	/** Destructor */

    58 	IMPORT_C ~CGlxCommandHandlerSortOrder();

    59     

    60 protected:

    61 	

    62 	/** see CGlxMediaListCommandHandler::DoExcecuteL */

    63     TBool DoExecuteL(TInt aCommandId, MGlxMediaList& aList);

    64     

    65     /** see CGlxMediaListCommandHandler::DoIsDisabled */

    66     TBool DoIsDisabled(TInt aCommandId, MGlxMediaList& aList) const;

    67     	     

    68 private:

    69 

    70     /** Second phase constructor */

    71 	void ConstructL();

    72 

    73     /** 

    74      * Constructor 

    75      * @param aMediaListProvider object that provides the media list

    76      * @param aCRKey The settings key which used by the commandhandler 

    77      *								set/get the sort order setting

    78      */

    79 	CGlxCommandHandlerSortOrder(MGlxMediaListProvider* aMediaListProvider,

    80 												const TUint32 aCRKey);

    81 						

    82     /**

    83      *  Finds out the current sort order applied to the media list

    84      *  @param aList reference to a media list

    85      *  @returns The current sort order					

    86      */

    87     TGlxFilterSortOrder	CurrentSortOrder(MGlxMediaList& aList) const;

    88 	

    89 private: // Data

    90 

    91 	/** Holds the id of the cenrep key which needs to be queried/changed */

    92 	TUint32	iKey;

    93 

    94 	};

    95 

    96 #endif // C_GLXCOMMANDHANDLERSORTORDER_H