1 /*

     2 * Copyright (c) 2008-2009 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:    Monitoring class of the Tv Out Connection

    15 *

    16 */

    17 

    18 

    19 

    20 /**

    21  * @internal reviewed 24/08/2007 by D Holland

    22  */

    23 

    24 #ifndef __GLX_WNDWCONNECTION_MONITOR_H__

    25 #define __GLX_WNDWCONNECTION_MONITOR_H__

    26 

    27 // External Includes

    28 #include <e32base.h>                // for CActive

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

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

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

    32 

    33 

    34 // Forward Declarations

    35 class MGlxTvConnectionObserver;       

    36 

    37 

    38 /**

    39  * Class Description

    40  * An Active object derived class is used to monitor the TV out connection

    41  * @author Loughlin

    42  */        

    43 NONSHARABLE_CLASS(CGlxTvConnectionMonitor) : public CActive 

    44     {

    45 public:

    46 

    47     /**

    48      * Static Symbian 2 stage constructor.

    49      */

    50     static CGlxTvConnectionMonitor* NewL(

    51                             MGlxTvConnectionObserver& aConnectionObserver);

    52     

    53     /**

    54      * Destructor.

    55      */

    56     ~CGlxTvConnectionMonitor();

    57     

    58 private:

    59 

    60     /**

    61      * Standard C++ constructor

    62      */

    63     CGlxTvConnectionMonitor( 

    64                         MGlxTvConnectionObserver& aConnectionObserver);

    65     

    66     /*

    67      * Symbian second stage construction

    68      */

    69     void ConstructL(); 

    70 

    71 public: // class member functions

    72 

    73     /*

    74      * Provides the caller with the current TV connetion state

    75      * @return The TV connection state

    76      */

    77     TBool IsConnected() const;

    78 

    79 

    80 private: // From CActive

    81     /**

    82      * @ref CActive::RunL

    83      */	

    84 	void RunL();

    85 	

    86     /**

    87      * @ref CActive::DoCancel

    88      */	

    89 	void DoCancel();

    90     

    91     /**

    92      * @ref CActive::RunError

    93      */    

    94     TInt RunError( TInt aError );    

    95     

    96     

    97 private:

    98 

    99     /**

   100      * Requests TV on/off events 

   101      */        

   102     void IssueRequest();

   103 

   104     /**

   105      * Sends notification to observers when TV Out cable is connected

   106      */      

   107     void IssueNotificationL();

   108     

   109 

   110 private: // class member data

   111     

   112     // Not owned: TV connection observer

   113     MGlxTvConnectionObserver& iConnectionObserver;

   114 

   115     // The Connection state 

   116     TBool iConnectionState;

   117     

   118     // The (external device) Accessory Server

   119     RAccessoryServer iTvAccServer;

   120     

   121     // Accessory mode 

   122     RAccessoryMode iTvAccMode;

   123     

   124     // Accessory Mode structure - details the type of accessory

   125     TAccPolAccessoryMode iCurrentAccMode; 

   126 

   127     };

   128 

   129 

   130 #endif // __GLX_WNDWCONNECTION_MONITOR_H__