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 "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:  Observer of accessory connection.

    15 *

    16 */

    17 

    18 #ifndef CFMRADIOACCESSORYCONNECTION_H

    19 #define CFMRADIOACCESSORYCONNECTION_H

    20 

    21 class TAccPolGenericIDArray;

    22 class MFMRadioHeadsetEventObserver;

    23 

    24 #include <e32base.h> // For CActive, link against: euser.lib

    25 #include <AccessoryServer.h> //For RAccessoryServer session

    26 #include <AccessoryConnection.h> //For RAccessoryConnection subsession

    27 

    28 NONSHARABLE_CLASS( CFMRadioAccessoryConnection ) : public CActive

    29     {

    30 public:

    31     // Cancel and destroy

    32     ~CFMRadioAccessoryConnection();

    33     

    34     // Two-phased constructor.

    35     static CFMRadioAccessoryConnection* NewL();

    36     /**

    37      * Sets observer. The observer will be notified when headset has been 

    38      * pressed or headset is connected/disconnected.

    39      *

    40      * @param aObserver Observer

    41      */

    42     void SetObserver( MFMRadioHeadsetEventObserver* aObserver );

    43     

    44     /**

    45      * Public boolean getter, return ETrue if 

    46      * a wired headset is connected

    47      */

    48     TBool WiredHeadsetConnected();

    49 private:

    50     /**

    51      * C++ default constructor.

    52      */

    53     CFMRadioAccessoryConnection();

    54     

    55     /**

    56      * Static constructor.

    57      */

    58     void ConstructL();

    59     

    60     /**

    61      * Private boolean getter, return ETrue if 

    62      * a wired headset is found in array of connected accessories

    63      */

    64     TBool WiredHeadsetInArrayL();

    65     

    66     /**

    67      * Private boolean getter, return ETrue if 

    68      * a wired headset is found in first index of

    69      * array of connected accessories.

    70      */

    71     TBool WiredHeadsetFirstInArrayL();

    72     

    73     /**

    74      * From CActive

    75      *

    76      * @see CActive::RunL()

    77      */

    78     void RunL();

    79     

    80     /**

    81      * From CActive

    82      *

    83      * @see CActive::DoCancel()

    84      */        

    85     void DoCancel();

    86     

    87 private:

    88     /** 

    89      * Instance that gets notifications of the headset state changes 

    90      */

    91     MFMRadioHeadsetEventObserver* iObserver;

    92     TBool iWiredHeadsetConnected;

    93     TInt iAccessoryCount;

    94     RAccessoryServer iAccessoryServer;

    95     RAccessoryConnection iAccessoryConnection;

    96     TAccPolGenericIDArray iAccessoryArray;

    97     };

    98 #endif // CFMRADIOACCESSORYCONNECTION_H

    99