--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sipvoipprovider/svphold/src/svpholdinstate.cpp	Mon Jan 18 20:12:36 2010 +0200
@@ -0,0 +1,265 @@
+/*
+* 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:  Remote holded state for hold state machine.
+*
+*/
+
+
+#include    <badesca.h>
+#include    <mcesession.h>
+#include    <mcertpsource.h>
+#include    <mcertpsink.h>
+#include    <mcemediastream.h>
+#include    <mceaudiostream.h>
+#include    "svpholdinstate.h" 
+#include    "svpholdcontext.h"
+#include    "svpholdcontroller.h"
+#include    "svpholdobserver.h"
+#include    "svpholdmediahandler.h"
+#include    "svplogger.h"
+
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::CSVPHoldInState
+// ---------------------------------------------------------------------------
+//
+CSVPHoldInState::CSVPHoldInState()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::NewLC
+// ---------------------------------------------------------------------------
+//
+CSVPHoldInState* CSVPHoldInState::NewLC()
+    {
+    CSVPHoldInState* self = new ( ELeave ) CSVPHoldInState;
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::~CSVPHoldInState
+// ---------------------------------------------------------------------------
+//
+CSVPHoldInState::~CSVPHoldInState()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::DoApplyL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldInState::DoApplyL( CSVPHoldContext& aContext )
+    {
+    SVPDEBUG1( "CSVPHoldInState::DoApply" )
+    
+    CMceSession* session = aContext.SessionObject();
+    const RPointerArray< CMceMediaStream >& streams = session->Streams();
+    TSVPHoldStateIndex nextState = KSVPHoldEstablishingStateIndex;
+    
+    SVPDEBUG2( "CSVPHoldInState::DoApply streams: %d", streams.Count() )
+    
+    TInt audioStreamsHandled = 0;
+    TInt streamCount = streams.Count();
+    while ( streamCount )
+        {
+        streamCount--;
+        CMceMediaStream* mediaStream = streams[ streamCount ];
+        if ( KMceAudio == mediaStream->Type() )
+            {
+            // This media is audio stream. Handling depends on the request            
+            SVPDEBUG2( "CSVPHoldInState::DoApply - Hold request = %i",
+                        aContext.HoldRequest() )
+            
+            nextState = PerformRequestL( aContext, *mediaStream, *session );
+            audioStreamsHandled++;
+            }
+        }
+    
+    if ( 0 == audioStreamsHandled )
+        {
+        SVPDEBUG1( "CSVPHoldInState::DoApply KErrSVPHoldStateError" )
+        
+        User::Leave( KErrSVPHoldStateError );
+        }    
+    
+    aContext.SetCurrentStateL( aContext, nextState );
+    
+    SVPDEBUG1( "CSVPHoldInState::DoApply - Handled" )
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::PerformRequestL
+// ---------------------------------------------------------------------------
+//
+TSVPHoldStateIndex 
+CSVPHoldInState::PerformRequestL( CSVPHoldContext& aContext,
+                                  CMceMediaStream& aMediaStream,
+                                  CMceSession& aSession )
+    {
+    TSVPHoldStateIndex nextState = KSVPHoldEstablishingStateIndex;
+    switch ( aContext.HoldRequest() )
+        {
+        case ESVPLocalDoubleHold:
+            {
+            LocalSessionDoubleHoldL( aContext, aMediaStream, aSession );
+            break;
+            }                    
+            
+        case ESVPRemoteResume:
+            {
+            RemoteSessionResumeL( aContext, aMediaStream, aSession );
+            break;
+            }                   
+
+        case ESVPLocalHold:
+        case ESVPLocalDoubleHoldResume:
+        case ESVPLocalResume:
+        case ESVPRemoteHold:
+        case ESVPRemoteDoubleHold:
+        case ESVPRemoteDoubleHoldResume:
+            {
+            // Cannot occur in In state
+            User::Leave( KErrSVPHoldStateError );
+            break;
+            }
+
+        default:
+            {
+            // Error in request solving, state change not needed:
+            nextState = KSVPHoldInStateIndex;
+            
+            SVPDEBUG2( "CSVPHoldInState::PerformRequestL - Error, request %i", 
+                        aContext.HoldRequest() );
+            break;
+            }                    
+        }
+    
+    return nextState;
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::LocalSessionDoubleHoldL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldInState::LocalSessionDoubleHoldL( CSVPHoldContext& aContext,
+                                               CMceMediaStream& aMediaStream,
+                                               CMceSession& aSession )
+    {
+    SVPDEBUG1( "CSVPHoldInState::LocalSessionDoubleHoldL - In" );
+    
+    // Handle media stream:
+    aContext.MediaHandler().
+        PerformMediaActionL( aMediaStream,
+                             ESVPLocalDoubleHold );
+    
+    // Update session
+    aSession.UpdateL();
+    SVPDEBUG1( "CSVPHoldInState::LocalSessionDoubleHoldL - done" );   
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::RemoteSessionResumeL
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldInState::RemoteSessionResumeL( CSVPHoldContext& aContext,
+                                            CMceMediaStream& aMediaStream,
+                                            CMceSession& aSession )
+    {
+    SVPDEBUG1( "CSVPHoldInState::RemoteSessionResumeL - In" )
+    
+    MDesC8Array* attributeLines = aMediaStream.MediaAttributeLinesL();
+    CleanupDeletePushL( attributeLines );
+    
+    // Check that request has reasonable direction attribute:
+    if ( ESVPNoType == aContext.SolveRequestL( aSession, attributeLines ) )
+        {
+        // Not hold request
+        SVPDEBUG1( "CSVPHoldInState::RemoteSessionResumeL ESVPNoType")
+        
+        User::Leave( KErrSVPHoldNotHoldRequest );
+        }
+    
+    CleanupStack::PopAndDestroy( attributeLines );
+    
+    // Handle media stream:
+    aContext.MediaHandler().PerformMediaActionL(
+        aMediaStream, ESVPRemoteResume );
+    
+    // Update session
+    aSession.UpdateL();
+    
+    SVPDEBUG1( "CSVPHoldInState::RemoteSessionResumeL - done" )
+    }
+    
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::DoEnter
+// ---------------------------------------------------------------------------
+//
+void CSVPHoldInState::DoEnter( CSVPHoldContext& aContext )
+    {
+    SVPDEBUG1( "CSVPHoldInState::DoEnter" );
+
+    TInt err = KErrNone;
+    
+    // succesfull action is informed to client
+    switch ( aContext.HoldRequest() )
+        {
+        case ESVPRemoteHold:
+            {
+            SVPDEBUG1( "CSVPHoldInState::DoEnter - RemoteHold" );
+            // For music on hold IOP with some vendors leave speaker enabled:
+            TBool leaveSpeakerEnabled = ETrue;
+            TRAP( err, aContext.MediaHandler().
+                            DisableAudioL( aContext,
+                                           leaveSpeakerEnabled ) );
+
+            aContext.HoldObserver().SessionRemoteHeld();
+            break;
+            }
+            
+        case ESVPLocalDoubleHoldResume:
+            {
+            SVPDEBUG1( "CSVPHoldInState::DoEnter - Local DH resume" );
+            TRAP( err, aContext.MediaHandler().DisableAudioL( aContext ) );
+            aContext.HoldObserver().SessionLocallyResumed();
+            break;
+            }
+            
+        default:
+            {
+            // Nothing to do; occurs only with state rollback
+            SVPDEBUG1( "CSVPHoldInState::DoEnter - Default" );
+            break;
+            }        
+        }
+
+    if ( aContext.RemoteRequestNotProcessed() )
+        {
+        SVPDEBUG1( "CSVPHoldInState::DoEnter - Remote request completed" );
+        aContext.SetRemoteRequestNotProcessed( EFalse );
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CSVPHoldInState::IsOutEstablishingStateActive
+// ---------------------------------------------------------------------------
+//
+TBool CSVPHoldInState::IsOutEstablishingStateActive()
+    {
+    return EFalse;
+    }
+    
+