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:  Active Idle Content Observer interface multiplexer interface.

    15 *

    16 */

    17 

    18 

    19 #ifndef C_AIMULTICONTENTOBSERVER_H

    20 #define C_AIMULTICONTENTOBSERVER_H

    21 

    22 

    23 #include <e32base.h>

    24 #include "aicontentobserver.h"

    25 

    26 

    27 // Forward declarations

    28 class CAiContentObserverOptimizer;

    29 /**

    30  *  @ingroup group_devicestatusplugin

    31  *

    32  * Active Idle Content Observer interface multiplexer.

    33  *

    34  * @see MAiContentObserver

    35  * @since S60 3.2

    36  */

    37 class CAiMultiContentObserver : 

    38         public CBase,

    39         public MAiContentObserver

    40     {

    41 public:

    42     static CAiMultiContentObserver* NewL();

    43     ~CAiMultiContentObserver();

    44     

    45     /**

    46      * Adds a new observer to this multiplexer.

    47      */

    48     void AddObserverL(MAiContentObserver& aObserver);

    49 

    50 //from base class MAiContentObserver

    51     TInt StartTransaction( TInt aTxId );

    52     TInt Commit( TInt aTxId );

    53     TInt CancelTransaction( TInt aTxId );

    54     TBool CanPublish( MAiPropertyExtension& aPlugin, TInt aContent, TInt aIndex );

    55     TInt Publish( MAiPropertyExtension& aPlugin, TInt aContent,

    56                   TInt aResource, TInt aIndex );

    57     TInt Publish( MAiPropertyExtension& aPlugin, TInt aContent,

    58                   const TDesC16& aText, TInt aIndex );

    59     TInt Publish( MAiPropertyExtension& aPlugin, TInt aContent,

    60                   const TDesC8& aBuf, TInt aIndex );

    61     TInt Publish( MAiPropertyExtension& aPlugin, TInt aContent,

    62                   RFile& aFile, TInt aIndex );

    63     TInt Clean( MAiPropertyExtension& aPlugin, TInt aContent, TInt aIndex );

    64     TAny* Extension( TUid aUid );

    65     TBool RequiresSubscription( const TAiPublisherInfo& aPublisherInfo ) const;

    66 

    67 private:

    68     CAiMultiContentObserver();

    69     void ConstructL();

    70 

    71 private: // data

    72     /**

    73      * Array of observers.

    74      * Own.

    75      */

    76     RPointerArray<CAiContentObserverOptimizer> iObserverOptimizers;

    77 

    78     };

    79 

    80 

    81 #endif // C_AIMULTICONTENTOBSERVER_H