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:  Network identity related prioritizer.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_AIPUBLISHPRIORITIZER_H

    20 #define C_AIPUBLISHPRIORITIZER_H

    21 

    22 // System includes

    23 #include <e32def.h>

    24 

    25 // User includes

    26 #include "ainwidpriorities.h"

    27 #include "aiprioritizer.h"

    28 

    29 // Forward declarations

    30 class CHsContentPublisher;

    31 

    32 

    33 /**

    34  *  @ingroup group_devicestatusplugin

    35  *

    36  *  Network identity related prioritizer.

    37  *

    38  *  This class is used as proxy between publishers which publish data that

    39  *  needs to be priorised and content observers. It keeps record of published

    40  *  data and decides if new published data has high enough priority to go 

    41  *  through to content observer.

    42  *

    43  *  @since S60 3.2

    44  */

    45  

    46 NONSHARABLE_CLASS( CAiPublishPrioritizer ) : public CBase, 

    47     public MAiPublishPrioritizer

    48     {

    49 public:

    50 

    51     static CAiPublishPrioritizer* NewL( MAiContentObserver& aContentObserver,

    52                                         CHsContentPublisher& aPropertyExtension );

    53 

    54     virtual ~CAiPublishPrioritizer();

    55 

    56 

    57     // from MAiPublishPrioritizer

    58     

    59     void TryToPublishL( MAiPublisherBroadcaster& aBroadcaster, 

    60                         TInt aContent, 

    61                         TInt aResource, 

    62                         TInt aPriority );

    63 

    64     void TryToPublishL( MAiPublisherBroadcaster& aBroadcaster, 

    65                         TInt aContent, 

    66                         const TDesC16& aText, 

    67                         TInt aPriority );

    68 

    69     void TryToPublishL( MAiPublisherBroadcaster& aBroadcaster, 

    70                         TInt aContent, 

    71                         const TDesC8& aBuf, 

    72                         TInt aPriority );

    73                                 

    74     void TryToCleanL( MAiPublisherBroadcaster& aBroadcaster, 

    75                         TInt aContent, 

    76                         TInt aPriority );

    77                         

    78     TInt NextPriority() const;

    79 

    80     

    81 private:

    82 

    83     CAiPublishPrioritizer( MAiContentObserver& aContentObserver,

    84                             CHsContentPublisher& aPropertyExtension );

    85 

    86 

    87 private: // data

    88 

    89     /**

    90      * Content observer.

    91      */

    92     MAiContentObserver& iContentObserver;

    93     

    94     /**

    95      * Property extension.

    96      */

    97     CHsContentPublisher& iPropertyExtension;

    98 

    99     /// Current priority

   100     TInt iPriority;

   101     };

   102 

   103 

   104 #endif // C_AIPUBLISHPRIORITIZER_H