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 *

    16 */

    17 

    18 #ifndef MRADIOSYSTEMEVENTDETECTOROBSERVER_H

    19 #define MRADIOSYSTEMEVENTDETECTOROBSERVER_H

    20 

    21 // Class declaration

    22 /**

    23 *

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

    25 */

    26 NONSHARABLE_CLASS( MRadioSystemEventDetectorObserver )

    27     {

    28 public:

    29 

    30     /**

    31     * This callback notifies when networks comes up.

    32     */

    33     virtual void NetworkUpCallbackL() = 0;

    34 

    35     /**

    36     * This callback notifies when network goes down.

    37     */

    38     virtual void NetworkDownCallbackL() = 0;

    39 

    40     /**

    41     * This callback notifies when call becomes active.

    42     */

    43     virtual void CallActivatedCallbackL() = 0;

    44 

    45     /**

    46     * This callback notifies when call becomes deactive.

    47     */

    48     virtual void CallDeactivatedCallbackL() = 0;

    49 

    50     /**

    51     * This callback notifies when audio resources become available.

    52     */

    53     virtual void AudioResourcesAvailableL() = 0;

    54 

    55     /**

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

    57     */

    58     virtual void AudioAutoResumeForbiddenL() = 0;

    59 

    60     /**

    61     * This callback notifies when an error occured

    62     * @param aError an error code

    63     */

    64     virtual void ErrorCallbackL( TInt aError ) = 0;

    65 

    66     };

    67 

    68 #endif // MRADIOSYSTEMEVENTDETECTOROBSERVER_H

    69 

    70