1 /*

     2 * Copyright (c) 2007-2010 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:  Utility class to handle TV accessory events

    15 */

    16 

    17 #ifndef CAMTVACCESSORYMONITOR_H

    18 #define CAMTVACCESSORYMONITOR_H

    19 

    20 

    21 #include <AknWsEventObserver.h>     // for MAknWsEventObserver

    22 #include <AccessoryServer.h>        // for RAccessoryServer

    23 #include <AccessoryMode.h>          // for RAccessoryMode

    24 #include <AccessoryConnection.h>    // for RAccessoryConnection

    25 #include <AccPolGenericIDArray.h>

    26 

    27 

    28 class MCamTvAccessoryObserver

    29     {

    30 public:

    31     virtual void HandleTvAccessoryConnectedL() = 0;

    32     virtual void HandleTvAccessoryDisconnectedL() = 0;

    33     };

    34 

    35 class CCamTvAccessoryMonitor : public CActive

    36     {

    37 public:

    38     // Cancel and destroy

    39     ~CCamTvAccessoryMonitor();

    40 

    41     // Two-phased constructor.

    42     static CCamTvAccessoryMonitor* NewL( MCamTvAccessoryObserver* aObserver );

    43 

    44 public:

    45 

    46     // Starts to listen to tv accessory events

    47     void StartListeningL();

    48     

    49     // Returns ETrue if TVOut cable is connected

    50     TBool IsTvOutCableConnected();

    51     

    52     // Returns ETrue if HDMI cable is connected

    53     TBool IsHdmiCableConnected();

    54     

    55 private:

    56     // C++ constructor

    57     CCamTvAccessoryMonitor( MCamTvAccessoryObserver* aObserver );

    58 

    59     // Second-phase constructor

    60     void ConstructL();

    61 

    62 private:

    63     // From CActive

    64     // Handle completion

    65     void RunL();

    66 

    67     // How to cancel me

    68     void DoCancel();

    69 

    70     // Override to handle leaves from RunL(). Default implementation causes

    71     // the active scheduler to panic.

    72     TInt RunError(TInt aError);

    73 

    74 

    75 private:

    76 

    77     MCamTvAccessoryObserver* iObserver;

    78  

    79     TBool iTvOutConnectionState;

    80     TBool iHDMIConnectionState;

    81 

    82     

    83     RAccessoryServer iTvAccServer;

    84     RAccessoryMode iTvAccMode;

    85     RAccessoryConnection iTvAccCon;

    86     TAccPolGenericIDArray iCurrentAccArray;

    87     TAccPolAccessoryMode iPolAccMode;

    88     TAccMode iPreviousMode;

    89     };

    90 

    91 #endif // CAMTVACCESSORYMONITOR_H