1 /*

     2 * Copyright (c) 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: 

    15 *     Interface to observe system events.

    16 *     Implementer will be notified each time particular system component state has changed

    17 *     

    18 *

    19 */

    20 /*

    21 * ============================================================================

    22 *  Name     : IRSystemEventDetectorObserver.h

    23 *  Part of  : 

    24 *  Origin   : 

    25 *  Created  : 

    26 *  Description:

    27 *     Interface to observe system events.

    28 *     Implementer will be notified each time particular system component state has changed

    29 *     

    30 *  Version  :

    31 *  ---------------------------------------------------------------------------

    32 

    33 /** @file IRSystemEventDetectorObserver.h */

    34 

    35 #ifndef MIRSYSTEMEVENTDETECTOROBSERVER_H

    36 #define MIRSYSTEMEVENTDETECTOROBSERVER_H

    37 

    38 // CLASS DECLARATION

    39 /**

    40 *  

    41 *  Observer for the call and network state. Implementer will be notified each time the state has changed

    42 */

    43 class MIRSystemEventDetectorObserver 

    44     {

    45 

    46     public: // New functions

    47 

    48 		/**

    49 		* This callback notifies when networks comes up.

    50 		*/

    51 		virtual void NetworkUpCallbackL() = 0;

    52 

    53 		/**

    54 		* This callback notifies when network goes down.

    55 		*/

    56 		virtual void NetworkDownCallbackL() = 0;

    57 

    58 		/**

    59 		* This callback notifies when call becomes active.

    60 		*/

    61 		virtual void CallActivatedCallbackL() = 0;

    62 

    63 		/**

    64 		* This callback notifies when call becomes deactive.

    65 		*/

    66 		virtual void CallDeactivatedCallbackL() = 0;

    67 		

    68 		/**

    69 		* This callback notifies when audio resources become available.

    70 		*/

    71 		virtual void AudioResourcesAvailableL() = 0;

    72 		

    73 		/**

    74 		* This callback notifies when audio auto resuming is forbidden.

    75 		*/

    76 		virtual void AudioAutoResumeForbiddenL() = 0;

    77 		

    78 		/**

    79 		* This callback notifies when an error occured

    80 		* @param an error code  

    81 		*/

    82 		virtual void ErrorCallbackL(TInt aError) = 0;

    83     };

    84 

    85 #endif      // MIRSYSTEMEVENTDETECTOROBSERVER_H   

    86             

    87 // End of File