diff -r 7d48bed6ce0c -r 987c9837762f convergedcallengine/csplugin/src/cspdtmfprovider.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/convergedcallengine/csplugin/src/cspdtmfprovider.cpp	Wed Sep 01 12:15:03 2010 +0100
@@ -0,0 +1,261 @@
+/*
+* Copyright (c) 2007 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:  Contains the implementation of class CSPDTMFProvider
+*
+*/
+
+
+#include <etelmm.h>
+#include <mccpdtmfprovider.h>
+#include <mccpdtmfobserver.h>
+#include <rmmcustomapi.h>
+
+#include "cspdtmfprovider.h"
+#include "csplogger.h"
+#include "cspeteldtmfmonitor.h"
+#include "cspeteldtmfstopmonitor.h"
+
+CSPDTMFProvider* CSPDTMFProvider::NewL( RMobilePhone& aPhone,
+                                        RMmCustomAPI& aMmCustom )
+    {
+    CSPDTMFProvider* self = new ( ELeave ) CSPDTMFProvider( aPhone,
+                                                            aMmCustom );
+    CleanupStack::PushL( self );
+    self->ConstructL( );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor of the object.
+// ---------------------------------------------------------------------------
+//
+CSPDTMFProvider::~CSPDTMFProvider( )
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPDTMFProvider::~CSPDTMFProvider()" );
+    Cancel();
+    iObservers.Close();
+    delete iMonitor;
+    delete iStopMonitor;
+    }
+
+// ---------------------------------------------------------------------------
+// Notifies observers about a DTMF event
+// ---------------------------------------------------------------------------
+//
+void CSPDTMFProvider::NotifyDTMFEvent( const MCCPDTMFObserver::TCCPDtmfEvent aEvent,
+                      const TInt aError,
+                      const TChar aTone )
+    {
+    CSPLOGSTRING2(CSPINT, "CSPDTMFProvider::NotifyDTMFEvent %d", aEvent );
+    for ( TInt i = 0; i < iObservers.Count(); i++ )
+        {
+        MCCPDTMFObserver *obs = iObservers[i];
+        if ( obs )
+            {        
+            iObservers[i]->HandleDTMFEvent( aEvent, aError, aTone );
+            }
+        }    
+    }
+
+    
+// ---------------------------------------------------------------------------
+// Cancel DTMF string sending
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::CancelDtmfStringSending()
+    {
+    CSPLOGSTRING(CSPREQIN, "CSPDTMFProvider::CancelDtmfStringSending" );
+    if ( IsActive() )
+        {
+        Cancel();
+        }
+    else
+        {
+        return KErrAlreadyExists; // Is not active
+        }
+    
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------------------------
+// Starts DTMF string sending
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::StartDtmfTone( const TChar aTone )
+    {
+    CSPLOGSTRING(CSPREQIN, "CSPDTMFProvider::StartDtmfTone" );
+    TInt ret(KErrAlreadyExists);
+    if (!IsActive())
+        {
+        ret = iPhone.StartDTMFTone( aTone );
+        }    
+    return ret;
+    }
+
+// ---------------------------------------------------------------------------
+// Stop DTMF tone
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::StopDtmfTone()
+    {
+    CSPLOGSTRING(CSPREQIN, "CSPDTMFProvider::StopDtmfTone" );
+    TInt ret(KErrAlreadyExists);
+    if (!IsActive())
+        {
+        ret = iPhone.StopDTMFTone();
+        }
+    return ret;    
+    }
+
+// ---------------------------------------------------------------------------
+// Send DTMF string
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::SendDtmfToneString( const TDesC& aString )
+    {
+    CSPLOGSTRING(CSPREQIN, "CSPDTMFProvider::SendDtmfToneString" );
+    TInt ret = KErrInUse;
+    
+    if ( !IsActive() )
+        {            
+        iPhone.SendDTMFTones( iStatus, aString );
+        SetActive();
+        ret = KErrNone;
+        }
+
+    return ret;
+    }
+
+// ---------------------------------------------------------------------------
+// Continue DTMF string sending
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::ContinueDtmfStringSending( const TBool aContinue )
+    {
+    CSPLOGSTRING(CSPREQIN, "CSPDTMFProvider::ContinueDtmfStringSending" );
+    return iPhone.ContinueDTMFStringSending( aContinue );
+    }
+    
+// ---------------------------------------------------------------------------
+// Adds observer.
+// ---------------------------------------------------------------------------
+//
+void CSPDTMFProvider::AddObserverL( const MCCPDTMFObserver& aObserver )
+    {
+    if ( iObservers.Find( &aObserver ) == KErrNotFound )
+        {
+        iObservers.Append( &aObserver );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// Removes given observer.
+// ---------------------------------------------------------------------------
+//
+TInt CSPDTMFProvider::RemoveObserver( const MCCPDTMFObserver& aObserver )
+    {
+    TInt ret = KErrNotFound;
+    
+    TInt found = iObservers.Find( &aObserver );
+    if ( found != KErrNotFound )
+        {
+        iObservers.Remove( found );
+        ret = KErrNone;
+        }
+
+    return ret;
+    }
+
+// ---------------------------------------------------------------------------
+// From CActive.
+// Handles request completion.
+// ---------------------------------------------------------------------------
+//
+void CSPDTMFProvider::RunL()
+    {
+    CSPLOGSTRING2( CSPREQIN, 
+        "CSPDTMFProvider::RunL: status: %d", iStatus.Int() );
+    
+    if ( iStatus == KErrNone )
+        {
+        MCCPDTMFObserver::TCCPDtmfEvent event = 
+            MCCPDTMFObserver::ECCPDtmfStringSendingCompleted;
+        NotifyDTMFEvent( event, KErrNone, NULL );
+        }
+    else
+        {
+        TInt error = iStatus.Int();
+        if ( error != KErrCancel )
+            {
+            MCCPDTMFObserver::TCCPDtmfEvent event = 
+                MCCPDTMFObserver::ECCPDtmfStringSendingCompleted;
+            NotifyDTMFEvent( event, error, NULL );
+            }
+        else
+            {
+            // Cancel is not notified
+            CSPLOGSTRING( CSPREQEND, "CSPDTMFProvider::RunL Cancel." );
+            }
+        }
+                
+    CSPLOGSTRING( CSPREQEND, "CSPDTMFProvider::RunL End of RunL." );
+    }
+
+// ---------------------------------------------------------------------------
+// From CActive
+// Canceling functionality.
+// ---------------------------------------------------------------------------
+//
+void CSPDTMFProvider::DoCancel()
+    {
+    if ( iStatus == KRequestPending )
+        {
+        CSPLOGSTRING( CSPINT, 
+            "CSPDTMFProvider::DoCancel Canceling pending request.." );
+        iPhone.CancelAsyncRequest( EMobilePhoneSendDTMFTones );
+        }
+    }
+            
+// ---------------------------------------------------------------------------
+// Constructs the requester.
+// ---------------------------------------------------------------------------
+//
+CSPDTMFProvider::CSPDTMFProvider( RMobilePhone& aPhone, 
+                                  RMmCustomAPI& aMmCustom ):
+                    CActive( EPriorityStandard ),
+                    iPhone( aPhone ),
+                    iMmCustom( aMmCustom )
+    {
+    CSPLOGSTRING(CSPOBJECT, "CSPDTMFProvider::CSPDTMFProvider()" );
+    CActiveScheduler::Add( this );
+    }
+
+// ---------------------------------------------------------------------------
+// Constructs the requester in the second phase.
+// ---------------------------------------------------------------------------
+//
+void CSPDTMFProvider::ConstructL( ) 
+    {
+    if ( !iPhone.SubSessionHandle() || !iMmCustom.SubSessionHandle() )
+        {
+        User::Leave( KErrArgument );
+        }
+    iMonitor = CSPEtelDtmfMonitor::NewL( *this, iMmCustom );
+    iMonitor->StartMonitoring();
+    iStopMonitor = CSPEtelDtmfStopMonitor::NewL( *this, iPhone );
+    iStopMonitor->StartMonitoring();
+    }
+
+//  End of File