diff -r 000000000000 -r ed9695c8bcbe vtengines/videoteleng/Src/Media/CVtEngDtmfHandler.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Src/Media/CVtEngDtmfHandler.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,363 @@
+/*
+* Copyright (c) 2004 - 2006 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:  Handler for DTMF sending.
+*
+*/
+
+
+// INCLUDE FILES
+#include    "CVtEngDtmfHandler.h"
+#include    "CVtEngMediaHandler.h"
+#include    "VtEngPanic.h"
+#include    "cvtlogger.h"
+
+// LOCAL MACROS
+#define DTMF_STATES_COUNT 3
+const TInt KProtoDtmfCommandId = -1;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CVtEngDtmfHandler* CVtEngDtmfHandler::NewL( MVtH324ConfigCommand& aH324Config )
+    {
+    __VTPRINTENTER( "DTMF.New" )
+    CVtEngDtmfHandler* self = new ( ELeave ) CVtEngDtmfHandler( aH324Config );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop(); // self
+    __VTPRINTEXIT( "DTMF.New" )
+	return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::~CVtEngDtmfHandler
+//
+// -----------------------------------------------------------------------------
+//
+CVtEngDtmfHandler::~CVtEngDtmfHandler()
+    {
+    __VTPRINTENTER( "DTMF.~" )
+    if ( iDtmfStates )
+    	{
+        iDtmfStates->ResetAndDestroy();
+    	}
+    delete iDtmfStates;
+    if( iProtoDtmf )
+        {
+        VTProtocolFactory::DeleteUserInputIndication(iProtoDtmf);
+        }
+    iProtoDtmf = NULL;
+    __VTPRINTEXIT( "DTMF.~" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::HandleL
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::HandleL( CVtEngOperation& aOp )
+    {
+    __VTPRINTENTER( "DTMF.HandleL" )
+
+    const TVtEngCommandId cmdId( aOp.Command() );
+    switch ( cmdId )
+        {
+        case KVtEngStartDtmfTone:
+            {
+            __VTPRINT( DEBUG_MEDIA , "DTMF. start tone" )
+            TChar tone;
+            TVtEngOpParamUtil<TChar>::Set( tone, aOp );
+            CVtEngDtmfState* state = (*iDtmfStates)[iCurrentState];
+            if ( state )
+                {
+                TVtEngDtmfTone dtmfTone( tone );
+                state->SendDtmfL( dtmfTone );
+                }
+            }
+            break;
+        case KVtEngStopDtmfTone:
+            __VTPRINT( DEBUG_MEDIA , "DTMF. stop tone (no op)" )
+            break;
+        // Handling of different UIIs
+        case KVtEngSetUIIDtmfSupport:
+            SetUIISupport( EDTMFString );
+            __VTPRINT( DEBUG_MEDIA , "DTMF Support enabled" )
+            break;
+        case KVtEngSetUIIBasicStringSupport:
+            SetUIISupport( EBasicString );
+            __VTPRINT( DEBUG_MEDIA , "Basic string Support enabled" )
+            break;
+        case KVtEngSetUIIIA5StringSupport:
+            SetUIISupport( EIA5String );
+            __VTPRINT( DEBUG_MEDIA , "IA5 String Support enabled" )
+            break;
+        case KVtEngSetUIIGeneralStringSupport:
+            SetUIISupport( EGeneralString );
+            __VTPRINT( DEBUG_MEDIA , "General String Support enabled" )
+            break;
+        default:
+            __VTPRINT( DEBUG_MEDIA , "DTMF.Handle cmd not supported" )
+            User::Leave( KErrNotSupported );
+        }
+    __VTPRINTEXIT( "DTMF.HandleL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::ActivateState
+//
+// -----------------------------------------------------------------------------
+//
+CVtEngDtmfState& CVtEngDtmfHandler::ActivateState( TVtEngDtmfState aNewState )
+    {
+    __VTPRINTENTER( "DTMF.ActivateState" )
+    __VTPRINT2( DEBUG_MEDIA , " new state=%d", aNewState )
+    __ASSERT_ALWAYS( aNewState >= EVtDtmfStateIdle &&
+        aNewState <= EVtDtmfStateBuffered,
+        Panic( EVtEngPanicInvalidDtmfState) );
+    iCurrentState = aNewState;
+    __VTPRINTEXIT( "DTMF.ActivateState" )
+    return *(*iDtmfStates)[iCurrentState];
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::SendComplete
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::SendComplete( TInt aError )
+    {
+    __VTPRINTENTER( "DTMF.SendComplete" )
+#ifdef VTDEBUG
+    TRAPD( ignore, HandleSendCompleteL( aError ) );
+    __VTPRINT2( DEBUG_MEDIA , "DTMF.SendComplete err=%d", ignore )
+#else
+    TRAP_IGNORE( HandleSendCompleteL( aError ) );
+#endif // VTDEBUG
+    __VTPRINTEXIT( "DTMF.SendComplete" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::ProtoDtmf
+//
+// -----------------------------------------------------------------------------
+//
+MVTUserInput& CVtEngDtmfHandler::ReserveProtoDtmfL(
+    const TVtEngDtmfTone& aTone )
+    {
+    __VTPRINTENTER( "DTMF.ReserveProtoDtmfL" )
+    if ( iProtoDtmf != NULL )
+        {
+        __VTPRINT( DEBUG_MEDIA , "DTMF.ReserveProtoDtmfL IN USE" )
+        User::Leave( KErrInUse );
+        }
+    TUint8 val = (TUint8) aTone.iTone;
+
+#ifdef VTDEBUG
+    if ( CVtLogger::Flags() & CVtLogger::ELogMedia )
+        {
+        const TChar ch( val );
+        _LIT( KVtDtmfBufferTrace, "VT: DTMF. tone value=" );
+        TBuf<25> buffer( KVtDtmfBufferTrace() );
+        buffer.Append( ch );
+        RDebug::Print( buffer );
+        }
+#endif
+
+    
+
+    // NOTE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+    // IT MUST BE CHECKED IS GIVEN LETTER SUPPORTED BY
+    // USED ENCODING SCHEME. NOW WE PASS ONLY NUMBERS AND * AND #
+    // AND THEY ARE SAFE TO USE BUT USING POWERFULL UIIs GIVE POSSIBILITY
+    // TO SEND ALL DIGITS AND NUMBERS. IN THAT CASE SET OF CHARS MUST BE CHECKED
+    // IN VTENGINE. (THAT IS THE REASON WHY THERE IS SEPARATE IF ELSEs)
+    // NOTE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+    __VTPRINT2( DEBUG_MEDIA , "DTMF. Proto USERINPUT %d", iUIISupport )
+    switch ( iUIISupport )
+        {
+        case EBasicString:
+        case EIA5String:
+        case EGeneralString:
+            __VTPRINT( DEBUG_MEDIA , "DTMF. Proto USERINPUT alphanumeric" )
+				iProtoDtmf = VTProtocolFactory::CreateUserInputIndication( EVtUiiDTFM, val );
+            break;
+        case EDTMFString:
+            __VTPRINT( DEBUG_MEDIA , "DTMF. Proto USERINPUT iDTMFString" )
+				iProtoDtmf = VTProtocolFactory::CreateUserInputIndication( EVtUiiAlphaNumeric, val);
+            break;
+        default:
+            __VTPRINT( DEBUG_MEDIA , "DTMF. Proto USERINPUT unsupported" )
+            break;
+        }
+    __VTPRINTEXIT( "DTMF.ReserveProtoDtmfL" )
+    return *iProtoDtmf;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::ReleaseProtoDtmf
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::ReleaseProtoDtmf()
+    {
+    __VTPRINTENTER( "DTMF.ReleaseProtoDtmf" )
+    if( iProtoDtmf )
+        {
+        VTProtocolFactory::DeleteUserInputIndication(iProtoDtmf);
+        }
+    iProtoDtmf = NULL;
+    __VTPRINTEXIT( "DTMF.ReleaseProtoDtmf" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::CVtEngDtmfHandler
+//
+// -----------------------------------------------------------------------------
+//
+CVtEngDtmfHandler::CVtEngDtmfHandler( MVtH324ConfigCommand& aH324Config ) :
+    iCurrentState( EVtDtmfStateIdle ), iH324Config( aH324Config ),
+    iUIISupport( EIA5String ), iIssuedDtmfCommandId(KProtoDtmfCommandId)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::ConstructL
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::ConstructL()
+    {
+    __VTPRINTENTER( "DTMF.ConstructL" )
+    iDtmfStates = new ( ELeave )
+        CArrayPtrFlat<CVtEngDtmfState>( DTMF_STATES_COUNT );
+
+    for ( TInt state = EVtDtmfStateIdle;
+          state <= EVtDtmfStateBuffered;
+          state++ )
+        {
+        CreateStateL( state );
+        }
+    __VTPRINTEXIT( "DTMF.ConstructL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::HandleSendCompleteL
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::HandleSendCompleteL( TInt aError )
+    {
+    __VTPRINTENTER( "DTMF.HandleSendCompleteL" )
+
+    __VTPRINT2( DEBUG_MEDIA , " HandleSendCompleteL err=%d", aError )
+    if ( iDtmfStates )
+        {
+        CVtEngDtmfState* state = (*iDtmfStates)[iCurrentState];
+        if ( state )
+            {
+            __VTPRINT2( DEBUG_MEDIA | DEBUG_DETAIL,
+                "DTMF. complete on state %d", iCurrentState )
+            state->DtmfSendCompleteL( aError );
+            }
+        }
+    __VTPRINTEXIT( "DTMF.HandleSendCompleteL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::CreateState
+//
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::CreateStateL( TInt aState )
+    {
+    __VTPRINTENTER( "DTMF.CreateStateL" )
+    CVtEngDtmfState* dtmfState = NULL;
+    switch ( aState )
+        {
+        case EVtDtmfStateIdle:
+            dtmfState = CVtEngDtmfIdle::NewL( *this, iH324Config );
+            break;
+        case EVtDtmfStateSending:
+            dtmfState = CVtEngDtmfSending::NewL( *this, iH324Config );
+            break;
+        case EVtDtmfStateBuffered:
+            dtmfState = CVtEngDtmfBuffered::NewL( *this, iH324Config );
+            break;
+        default:
+            Panic( EVtEngPanicInvalidDtmfState );
+            break;
+        }
+    CleanupStack::PushL( dtmfState );
+    iDtmfStates->AppendL( dtmfState );
+    CleanupStack::Pop();
+    __VTPRINTEXIT( "DTMF.CreateStateL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::GetUIISupport
+// returns the current UII support
+// -----------------------------------------------------------------------------
+//
+CVtEngDtmfHandler::TUIISupport CVtEngDtmfHandler::GetUIISupport() const
+    {
+    __VTPRINT2( DEBUG_MEDIA , "DTMF. GETUSERINPUT support=%d", iUIISupport )
+    return iUIISupport;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::SetUIISupport
+// Sets the UII support mode
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::SetUIISupport( CVtEngDtmfHandler::TUIISupport aValue )
+    {
+    __VTPRINT2( DEBUG_MEDIA , "DTMF. SETUSERINPUT support=%d", aValue )
+    iUIISupport = aValue;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::CheckCommandId
+// Compares last issued DTMF command ID to parameter given command ID
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngDtmfHandler::CheckCommandId( TInt aCheckCommandId ) const
+	{
+	__VTPRINT3( DEBUG_MEDIA , "DTMF. CHKCMID aCheckCommandId=%d iIssuedDtmfCommandId=%d",\
+		aCheckCommandId, iIssuedDtmfCommandId )
+	
+	if( iIssuedDtmfCommandId == aCheckCommandId )
+		{
+		return ETrue;
+		}
+	
+	return EFalse;
+	}
+
+// -----------------------------------------------------------------------------
+// CVtEngDtmfHandler::StoreCommandId
+// Stores given command ID
+// -----------------------------------------------------------------------------
+//
+void CVtEngDtmfHandler::StoreCommandId( TInt aStoreCommandId )
+	{
+	__VTPRINT2( DEBUG_MEDIA , "DTMF. STORECOMMANDID aStoreCommandId=%d", aStoreCommandId )
+	
+	iIssuedDtmfCommandId = aStoreCommandId;			
+	}
+//  End of File