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: 

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef VCXNSCONTENTSEARCHHANDLER_H

    22 #define VCXNSCONTENTSEARCHHANDLER_H

    23 

    24 // INCLUDES

    25 #include <e32base.h>

    26 

    27 #include "vcxnscontentsearchif.h"

    28 

    29 

    30 // FORWARD DECLARATIONS

    31 class CVcxNsUiEngine;

    32 class MVcxNsContentSearchObserver;

    33 // CLASS DECLARATION

    34 

    35 /**

    36 * Class CVcxNsCategoryProvider handles application categorys.

    37 *

    38 * @lib vcxnsuiengine.lib

    39 */

    40 class CVcxNsContentSearchHandler: public CBase,

    41                                   public MVcxNsContentSearchIf   

    42     {

    43 

    44 public:

    45 

    46     /**

    47      * Constructor

    48      * @param aUiEngine Ui engine

    49      */

    50     static CVcxNsContentSearchHandler* NewL( CVcxNsUiEngine& aUiEngine );

    51 

    52     virtual ~CVcxNsContentSearchHandler();

    53 

    54 public: 

    55     

    56     /**

    57      * Start new search. This is only for UI engines internal use. 

    58      * When search category is opened and there's no contents,

    59      * we can start new search. 

    60      */

    61     void StartNewSearchL( );

    62     

    63 public: //From MVcxNsContentSearchIf

    64 

    65     /**

    66      * RegisterObserver.

    67      * @param aObserver Observer

    68      */

    69     void RegisterObserver( MVcxNsContentSearchObserver* aObserver );

    70 

    71     /**

    72      * DeRegisterObserver.

    73      * @param aObserver Observer

    74      */

    75     void DeRegisterObserver( MVcxNsContentSearchObserver* aObserver );

    76     

    77     /**

    78      * Starts the search with given keyword.

    79      * @param aSearchString Search string

    80      */

    81     void SearchL( const TDesC& aSearchString );

    82     

    83     /**

    84      * Cancel ongoing search.

    85      */

    86     void CancelSearchL( );

    87     

    88     /**

    89      * Handle search related status messages.

    90      * @param aStatus Search status.

    91      * @param aInfo Information parameter.

    92      */

    93     void HandleSearchMsgL( TInt aStatus, TInt aInfo );

    94     

    95     /**

    96      * Handle search cancelled by user.

    97      */

    98     void SearchCancelled();

    99 

   100 private:

   101      

   102     /**

   103      * Default constructor

   104      * @param aUiEngine Ui engine

   105      */

   106     CVcxNsContentSearchHandler( CVcxNsUiEngine& aUiEngine );

   107     

   108     /**

   109      * Update category video count.

   110      */

   111     void UpdateCategoryVideoCountL();

   112 

   113     /**

   114      * Shows or hides the popup about thumbnail update.

   115      * @param aVisible Show or hide pop-up.

   116      */

   117     void ShowInfoPopupL( TBool aVisible );

   118 

   119 // Data

   120 

   121     /**

   122      * Array of search observers. Not Own.

   123      */

   124     RPointerArray<MVcxNsContentSearchObserver> iSearchObservers;

   125     

   126     /**

   127      * UI engine.

   128      */

   129     CVcxNsUiEngine& iUiEngine;

   130 

   131     /**

   132      * Total count of thumbnails in the search result.

   133      */

   134     TInt iThumbnailCount;

   135     

   136     /**

   137      * Count of thumbnails that has already been downloaded.

   138      */

   139     TInt iThumbnailsDownloaded;

   140 

   141     };

   142 

   143 #endif // VCXNSCONTENTSEARCHHANDLER_H