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:    Monitors the Tv Out Connection

    15 *

    16 */

    17 

    18 

    19 

    20 /**

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

    22  */

    23 

    24 //  CLASS HEADER

    25 #include "glxtvconnectionmonitor.h"

    26 

    27 //  EXTERNAL INCLUDES

    28 

    29 //  INTERNAL INCLUDES

    30 

    31 #include <glxlog.h>

    32 #include <glxpanic.h>

    33 #include "glxtv.h"

    34 

    35 

    36 //-----------------------------------------------------------------------------

    37 // Return new object

    38 //-----------------------------------------------------------------------------

    39 //

    40 CGlxTvConnectionMonitor* CGlxTvConnectionMonitor::NewL(

    41                                MGlxTvConnectionObserver& aConnectionObserver ) 

    42     {

    43     GLX_LOG_INFO("CGlxTvConnectionMonitor::NewL");

    44     CGlxTvConnectionMonitor* self = new (ELeave) 

    45                 CGlxTvConnectionMonitor( aConnectionObserver );

    46     CleanupStack::PushL( self );

    47     self->ConstructL();

    48     CleanupStack::Pop( self );

    49     return self;

    50     }

    51     

    52 

    53 //-----------------------------------------------------------------------------

    54 // Destructor

    55 //-----------------------------------------------------------------------------

    56 //

    57 CGlxTvConnectionMonitor::~CGlxTvConnectionMonitor()

    58     {

    59     GLX_LOG_INFO("~CGlxTvConnectionMonitor");

    60     Cancel();

    61     iTvAccServer.Disconnect();

    62     }

    63 

    64 

    65 //-----------------------------------------------------------------------------

    66 // Default C++ constructor

    67 //-----------------------------------------------------------------------------

    68 //

    69 CGlxTvConnectionMonitor::CGlxTvConnectionMonitor

    70                            ( MGlxTvConnectionObserver& aConnectionObserver ) 

    71                             :CActive(EPriorityStandard), 

    72                              iConnectionObserver ( aConnectionObserver )

    73     {

    74     GLX_LOG_INFO("CGlxTvConnectionMonitor");

    75     CActiveScheduler::Add( this );

    76     }

    77 

    78 

    79 //-----------------------------------------------------------------------------

    80 // Symbian second phase constructor

    81 //-----------------------------------------------------------------------------

    82 //

    83 void CGlxTvConnectionMonitor::ConstructL()

    84     {

    85     GLX_LOG_INFO("CGlxTvConnectionMonitor::ConstructL");

    86     User::LeaveIfError( iTvAccServer.Connect() );

    87     User::LeaveIfError( iTvAccMode.CreateSubSession( iTvAccServer ) );

    88     User::LeaveIfError( iTvAccMode.GetAccessoryMode( iCurrentAccMode ) );

    89     iConnectionState = ( iCurrentAccMode.iAccessoryMode == EAccModeTVOut );

    90 

    91     IssueRequest();  

    92     }

    93 

    94 //-----------------------------------------------------------------------------

    95 // From class CActive.

    96 // Receive notification of change in the connection state

    97 //-----------------------------------------------------------------------------

    98 //

    99 void CGlxTvConnectionMonitor::RunL()

   100     {

   101     GLX_LOG_INFO("CGlxTvConnectionMonitor::RunL");

   102     // Check for errors

   103     User::LeaveIfError( iStatus.Int() );

   104     // Notify observers

   105     IssueNotificationL();

   106     // Request the next event

   107     IssueRequest();  

   108     }

   109 

   110 

   111 //-----------------------------------------------------------------------------

   112 // From class CActive.

   113 // DoCancel

   114 //-----------------------------------------------------------------------------

   115 //

   116 void CGlxTvConnectionMonitor::DoCancel()

   117     {

   118     GLX_LOG_INFO("CGlxTvConnectionMonitor::DoCancel");

   119     iTvAccMode.CancelNotifyAccessoryModeChanged();

   120     }

   121 

   122 

   123 

   124 //-----------------------------------------------------------------------------

   125 // From class CActive.

   126 // RunError

   127 //-----------------------------------------------------------------------------

   128 //

   129 TInt CGlxTvConnectionMonitor::RunError(TInt aError)

   130     {

   131     GLX_LOG_INFO1("CGlxTvConnectionMonitor::RunError - %d", aError);

   132     return KErrNone;

   133     }

   134 

   135 //-----------------------------------------------------------------------------

   136 // Is the TV out cable connected

   137 // IsConnected

   138 //-----------------------------------------------------------------------------

   139 //

   140 TBool CGlxTvConnectionMonitor::IsConnected() const

   141     {

   142     GLX_LOG_INFO("CGlxTvConnectionMonitor::IsConnected");

   143     return iConnectionState;

   144     }

   145 

   146 

   147 //-----------------------------------------------------------------------------

   148 // Request accessory server events

   149 //-----------------------------------------------------------------------------

   150 //

   151 void CGlxTvConnectionMonitor::IssueRequest()

   152     {

   153     GLX_LOG_INFO("CGlxTvConnectionMonitor::IssueRequest");

   154     if (!IsActive()) // required for testing

   155         {

   156         iTvAccMode.NotifyAccessoryModeChanged( iStatus, iCurrentAccMode ); 

   157         SetActive(); 

   158         }

   159     }

   160 

   161 

   162 //-----------------------------------------------------------------------------

   163 // Sends notification to observers if TV Out is connected

   164 //-----------------------------------------------------------------------------

   165 //

   166 void CGlxTvConnectionMonitor::IssueNotificationL()

   167     {

   168     GLX_LOG_INFO("CGlxTvConnectionMonitor::IssueNotificationL");

   169     iConnectionState = ( iCurrentAccMode.iAccessoryMode == EAccModeTVOut );

   170     iConnectionObserver.HandleTvConnectionStatusChangedL();

   171     }

   172 

   173 

   174 

   175