--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Src/Base/CVtEngAccessoryHandler.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,207 @@
+/*
+* Copyright (c) 2004-2005 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Accessory listener.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "CVtEngAccessoryHandler.h"
+#include    "MVtEngAccessoryObserver.h"
+#include    <cvtlogger.h>
+                                                                 
+// CONSTANTS
+const TInt KVtEngAccObserverGranularity = 1;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::CVtEngAccessoryHandler
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVtEngAccessoryHandler::CVtEngAccessoryHandler() : 
+    CActive( CActive::EPriorityStandard ),
+    iAccessoryObservers( KVtEngAccObserverGranularity )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::ConstructL()
+    {
+    User::LeaveIfError( iAccessoryServer.Connect() );
+    User::LeaveIfError( iAccessoryMode.CreateSubSession( iAccessoryServer ) );
+    StartListening();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CVtEngAccessoryHandler* CVtEngAccessoryHandler::NewL( )
+    {
+    __VTPRINTENTER( "AccHdr.NewL" )
+    CVtEngAccessoryHandler* self = new( ELeave ) CVtEngAccessoryHandler;
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+    __VTPRINTEXIT( "AccHdr.NewL" )
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::~CVtEngAccessoryHandler
+// Destructor.
+// -----------------------------------------------------------------------------
+//
+CVtEngAccessoryHandler::~CVtEngAccessoryHandler()
+    {
+    __VTPRINTENTER( "AccHdr.~" )
+    Cancel();
+    RemoveAllObservers();
+    iAccessoryMode.CloseSubSession();    
+    iAccessoryServer.Disconnect();
+    __VTPRINTEXIT( "AccHdr.~" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::RemoveObserver
+// Removes an accessory listener.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::RemoveObserver( 
+    MVtEngAccessoryObserver* aObserver )
+    {
+    __VTPRINTENTER( "AccHdr.RemoveObserver" )
+    TInt pos = iAccessoryObservers.Find( aObserver );
+    if ( pos != KErrNotFound )
+        {
+        iAccessoryObservers.Remove( pos );
+        }
+    __VTPRINTEXIT( "AccHdr.RemoveObserver" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::RegisterObserverL
+// New accessory listener.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::
+    RegisterObserverL( MVtEngAccessoryObserver* aObserver )
+    {
+    __VTPRINTENTER( "AccHdr.RegisterObserverL" )
+    TInt pos = iAccessoryObservers.Find( aObserver );
+    if ( pos == KErrNotFound )
+        {
+        User::LeaveIfError( iAccessoryObservers.Append( aObserver ) );
+        }
+    __VTPRINTEXIT( "AccHdr.RegisterObserverL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::RemoveAllObservers
+// All observers off they go
+// 
+// -----------------------------------------------------------------------------
+//    
+void CVtEngAccessoryHandler::RemoveAllObservers()
+    {
+    iAccessoryObservers.ResetAndDestroy();
+    iAccessoryObservers.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::StartListening
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::StartListening() 
+    {
+    iAccessoryMode.NotifyAccessoryModeChanged( iStatus, iMode );
+    SetActive();
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::RunL
+// From CActive.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::RunL()
+    {
+    __VTPRINTENTER( "AccHdr.RunL" )
+    StartListening();
+    NotifyObserversL();
+    __VTPRINTEXIT( "AccHdr.RunL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::DoCancel
+// From CActive.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::DoCancel()
+    {
+    __VTPRINTENTER( "AccHdr.DoCancel" )
+    iAccessoryMode.CancelNotifyAccessoryModeChanged();
+    __VTPRINTEXIT( "AccHdr.DoCancel" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::RunError
+// From CActive.
+// -----------------------------------------------------------------------------
+//
+TInt CVtEngAccessoryHandler::RunError( TInt /*aError*/ )
+    {
+    __VTPRINTENTER( "AccHdr.RunError" )
+    __VTPRINTEXIT( "AccHdr.RunError" )
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::NotifyObserversL.
+// -----------------------------------------------------------------------------
+//
+void CVtEngAccessoryHandler::NotifyObserversL()
+    {
+    const TInt obsCount( iAccessoryObservers.Count() );
+    for ( TInt i = 0; i < obsCount; i++ )
+        {
+        MVtEngAccessoryObserver* obs = iAccessoryObservers[ i ];
+        if ( obs )
+            {
+            obs->AccessoryModeChanged( 
+                iMode.iAccessoryMode, iMode.iAudioOutputStatus );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngAccessoryHandler::CMonitor::AccessoryMode
+// -----------------------------------------------------------------------------
+//
+TInt CVtEngAccessoryHandler::
+    AccessoryMode( TAccPolAccessoryMode& aAccessoryMode) const
+    {
+    return iAccessoryMode.GetAccessoryMode( aAccessoryMode );
+    }
+
+// end of file