--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/svphold/src/svpholddhstate.cpp	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,251 @@
+/*
+* Copyright (c) 2006-2008 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:  Double hold state for hold state machine.
+*
+*/
+
+
+#include    <badesca.h>
+#include    <mcesession.h>
+#include    <mcertpsource.h>
+#include    <mcertpsink.h>
+#include    <mcemediastream.h>
+#include    <mceaudiostream.h>
+#include    "svpholddhstate.h"
+#include    "svpholdcontroller.h"
+#include    "svpholdobserver.h"
+#include    "svpholdmediahandler.h"
+#include    "svplogger.h"
+
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::CSVPHoldDHState
+// ---------------------------------------------------------------------------
+//
+CSVPHoldDHState::CSVPHoldDHState()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::NewL
+// ---------------------------------------------------------------------------
+//
+CSVPHoldDHState* CSVPHoldDHState::NewLC()
+    {
+    CSVPHoldDHState* self = new ( ELeave ) CSVPHoldDHState;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::~CSVPHoldDHState
+// ---------------------------------------------------------------------------
+//
+CSVPHoldDHState::~CSVPHoldDHState()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::DoApplyL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldDHState::DoApplyL( CSVPHoldContext& aContext )
+    {
+    SVPDEBUG1( "CSVPHoldDHState::DoApply" );
+    CMceSession* session = aContext.SessionObject();
+    const RPointerArray< CMceMediaStream >& streams = session->Streams();
+    TSVPHoldStateIndex nextState = KSVPHoldEstablishingStateIndex;
+    
+    TInt audioStreamsHandled = 0;
+    TInt streamCount = streams.Count();    
+    for ( TInt i = 0; i < streamCount; i++ )
+        {
+        CMceMediaStream* mediaStream = streams[ i ];
+        TMceMediaType mediaType = mediaStream->Type();
+        if ( KMceAudio == mediaType )
+            {
+            // This media is audio stream. Handling depends on the request
+            nextState = PerformRequestL( aContext, *mediaStream, *session );
+            audioStreamsHandled++;                
+            }
+        }
+    
+    if ( 0 == audioStreamsHandled )
+        {
+        SVPDEBUG1( "CSVPHoldDHState::DoApply - No streams - Leave" );
+        User::Leave( KErrSVPHoldStateError );
+        }    
+
+    aContext.SetCurrentStateL( aContext, nextState );
+    SVPDEBUG1( "CSVPHoldDHState::DoApply - Handled" );
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::PerformRequestL
+// ---------------------------------------------------------------------------
+//
+TSVPHoldStateIndex 
+CSVPHoldDHState::PerformRequestL( CSVPHoldContext& aContext,
+                                  CMceMediaStream& aMediaStream,
+                                  CMceSession& aSession )
+    {
+    TSVPHoldStateIndex nextState = KSVPHoldEstablishingStateIndex;
+    switch ( aContext.HoldRequest() )
+        {
+        case ESVPLocalDoubleHoldResume:
+            {
+            ResumeDoubleHoldSessionLocallyL( aContext, aMediaStream, aSession );
+            break;
+            }                    
+            
+        case ESVPRemoteDoubleHoldResume:
+            {
+            RemoteDoubleHoldSessionResumeL( aContext, aMediaStream, aSession );
+            break;
+            }
+
+        case ESVPLocalHold:
+        case ESVPLocalResume:
+        case ESVPLocalDoubleHold:
+        case ESVPRemoteHold:
+        case ESVPRemoteResume:
+        case ESVPRemoteDoubleHold:
+            {
+            // Cannot occur in doublehold state
+            User::Leave( KErrSVPHoldStateError );
+            break;                
+            }
+
+        default:
+            {
+            // Error in request solving,no state change needed:
+            nextState = KSVPHoldDHStateIndex;
+            
+            SVPDEBUG2( "CSVPHoldDHState::PerformRequestL - Error, request %i", 
+                        aContext.HoldRequest() );
+            break;
+            }                    
+        }    
+
+    return nextState;
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::ResumeDoubleHoldSessionLocallyL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldDHState::
+ResumeDoubleHoldSessionLocallyL( CSVPHoldContext& aContext,
+                                 CMceMediaStream& aMediaStream,
+                                 CMceSession& aSession )
+    {
+    SVPDEBUG1( "CSVPHoldDHState::ResumeDoubleHoldSessionLocallyL - In" );
+
+    // Local resume from double holded stream. Handle media stream:
+    aContext.MediaHandler().
+        PerformMediaActionL( aMediaStream,
+                             ESVPLocalDoubleHoldResume );        		    
+    
+    // Update session
+    aSession.UpdateL();
+    SVPDEBUG1( "CSVPHoldDHState::ResumeDoubleHoldSessionLocallyL - done" );    
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::RemoteSoubleHoldSessionResumeL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldDHState::
+RemoteDoubleHoldSessionResumeL( CSVPHoldContext& aContext,
+                                CMceMediaStream& aMediaStream,
+                                CMceSession& aSession )
+    {
+    // Remote Resume from double holded stream:
+    SVPDEBUG1( "CSVPHoldDHState::RemoteDoubleHoldSessionResumeL - In" );
+    
+    MDesC8Array* attributeLines = aMediaStream.MediaAttributeLinesL();
+    CleanupDeletePushL( attributeLines );
+    
+    // Check that request has reasonable direction attribute:
+    TSVPHoldRequestType attribute =
+                aContext.SolveRequestL( aSession, attributeLines );
+
+    if ( ESVPNoType == attribute )
+        {
+        // Not hold request
+        SVPDEBUG1( "CSVPHoldDHState::RemoteSoubleHoldSessionResumeL:");
+        SVPDEBUG1( "Not hold request" );
+        
+        User::Leave( KErrSVPHoldNotHoldRequest );
+        }
+    
+    CleanupStack::PopAndDestroy( attributeLines );
+    
+    // Handle media stream:
+    aContext.MediaHandler().
+        PerformMediaActionL( aMediaStream,
+                             ESVPRemoteDoubleHoldResume );        		    
+    
+    // Update session
+    aSession.UpdateL();
+    
+    SVPDEBUG1( "CSVPHoldDHState::RemoteSoubleHoldSessionResumeL - done" );    
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::DoEnter
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldDHState::DoEnter( CSVPHoldContext& aContext )
+    {
+    SVPDEBUG1( "CSVPHoldDHState::DoEnter" );
+    
+    TInt err = KErrNone;
+    TRAP( err, aContext.MediaHandler().DisableAudioL( aContext ) );
+
+    // succesfull action is informed to client
+    switch ( aContext.HoldRequest() )
+        {
+        case ESVPLocalDoubleHold:
+            {
+            SVPDEBUG1( "CSVPHoldDHState::DoEnter - LocalDoubleHold" );
+            aContext.HoldObserver().SessionLocallyHeld();
+            break;
+            }
+            
+        case ESVPRemoteDoubleHold:
+            {
+            SVPDEBUG1( "CSVPHoldDHState::DoEnter - RemoteDoubleHold" );
+            aContext.HoldObserver().SessionRemoteHeld();
+            break;
+            }
+            
+        default:
+            {
+            // Nothing to do; occurs only with state rollback
+            SVPDEBUG1( "CSVPHoldDHState::DoEnter - Default" );
+            break;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldDHState::IsOutEstablishingStateActive
+// ---------------------------------------------------------------------------
+//
+TBool CSVPHoldDHState::IsOutEstablishingStateActive()
+    {
+    return EFalse;
+    }
+