--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/CallCtrl/Src/CVtCtlCallStatusMonitor.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,227 @@
+/*
+* 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:  Monitors call status.
+*
+*/
+
+
+#pragma CTC SKIP
+// INCLUDE FILES
+#include    "CVtCtlCallStatusMonitor.h"
+#include    "MVtCtlCallStatusObserver.h"
+#include    "VtCtlDefs.h"
+#include    <cvtlogger.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::CVtCtlCallStatusMonitor
+// C++ constructor 
+// -----------------------------------------------------------------------------
+//
+/*****************************************************
+*   Series 60 Customer / ETel
+*   Series 60  ETel API
+*****************************************************/
+CVtCtlCallStatusMonitor::CVtCtlCallStatusMonitor(
+    RMobileCall& aCall,
+    MVtCtlCallStatusObserver& aObserver ) : 
+    CActive( KVtCtlCallStatusMonitorPriority ),
+    iCall( aCall ),
+    iObserver( aObserver ),
+    iCallStatus( RMobileCall::EStatusUnknown ),
+    iPreviousStatus( RMobileCall::EStatusUnknown )
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.CVtCtlCallStatusMonitor" )
+    CActiveScheduler::Add( this );
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.CVtCtlCallStatusMonitor" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::~CVtCtlCallStatusMonitor
+// destructor
+// -----------------------------------------------------------------------------
+//
+CVtCtlCallStatusMonitor::~CVtCtlCallStatusMonitor()
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.~" )
+    Cancel();    
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.~" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::Start
+// Starts monitoring
+// -----------------------------------------------------------------------------
+//
+/*****************************************************
+*   Series 60 Customer / ETel
+*   Series 60  ETel API
+*****************************************************/
+void CVtCtlCallStatusMonitor::Start()
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.Start" )
+    if ( iPreviousStatus == RMobileCall::EStatusUnknown )
+        {
+        RMobileCall::TMobileCallStatus status( RMobileCall::EStatusUnknown );
+        if ( iCall.GetMobileCallStatus( status ) == KErrNone )
+            {
+            iPreviousStatus = status;
+            }
+        }
+    if ( !IsActive() )
+        {
+        iCall.NotifyMobileCallStatusChange( iStatus, iCallStatus );
+        SetActive();
+        }
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.Start" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::DoCancel
+// Cancels monitoring
+// -----------------------------------------------------------------------------
+//
+void CVtCtlCallStatusMonitor::DoCancel()
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.DoCancel" )
+    iCall.CancelAsyncRequest( EMobileCallNotifyMobileCallStatusChange );
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.DoCancel" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::RunL
+// Receives call status change and notifies observer
+// -----------------------------------------------------------------------------
+//
+/*****************************************************
+*   Series 60 Customer / ETel
+*   Series 60  ETel API
+*****************************************************/
+void CVtCtlCallStatusMonitor::RunL()
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.RunL" )
+    __VTPRINT2( DEBUG_SESSION , "CallStatMon.RunL err=%d",iStatus.Int() )
+    __VTPRINT2( DEBUG_SESSION , "CallStatMon.RunL sta=%d",
+        (TInt)iCallStatus )
+    if ( iStatus == KErrNone )
+        {
+        const RMobileCall::TMobileCallStatus cache( iCallStatus );
+        Start();
+        MVtCtlCallControl::TVtCtlState state = MapState( cache );
+        if ( CVtCtlCallStatusMonitor::IsLegalNewState( 
+                cache, iPreviousStatus ) )
+            {
+            iPreviousStatus = cache;
+            if ( state != MVtCtlCallControl::EUnknown )
+                {
+                iObserver.HandleCallStatusChangeL( 
+                    KNullSessionId, // unknown by this
+                    state,
+                    MapState( iPreviousStatus ) );
+                }
+            }
+        }
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.RunL" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::RunError
+// 
+// -----------------------------------------------------------------------------
+//
+TInt CVtCtlCallStatusMonitor::RunError(
+#ifdef VTDEBUG                                       
+    TInt aError )
+#else
+    TInt /*aError*/ )
+#endif
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.RunError" )
+    __VTPRINTEXITR( "CVtCtlCallStatusMonitor.RunError err=%d", aError )
+    return KErrNone;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::MapState
+// Maps Etel call status to internal type
+// -----------------------------------------------------------------------------
+//
+/*****************************************************
+*   Series 60 Customer / ETel
+*   Series 60  ETel API
+*****************************************************/
+MVtCtlCallControl::TVtCtlState CVtCtlCallStatusMonitor::MapState(
+    const RMobileCall::TMobileCallStatus aStatus )
+    {
+    __VTPRINTENTER( "CVtCtlCallStatusMonitor.MapState" )
+    MVtCtlCallControl::TVtCtlState state( MVtCtlCallControl::EUnknown );
+    switch ( aStatus )
+        {
+        case RMobileCall::EStatusIdle:
+            state = MVtCtlCallControl::EIdle;
+            break;
+        case RMobileCall::EStatusDialling:
+            state = MVtCtlCallControl::EInitializing;
+            break;
+        case RMobileCall::EStatusRinging:
+            state = MVtCtlCallControl::ERinging;
+            break;
+        case RMobileCall::EStatusAnswering:
+            state = MVtCtlCallControl::ERinging;
+            break;
+        case RMobileCall::EStatusConnecting:
+            state = MVtCtlCallControl::EInitializing;
+            break;
+        case RMobileCall::EStatusConnected:
+            state = MVtCtlCallControl::EConnected;
+            break;
+        case RMobileCall::EStatusDisconnecting:
+        case RMobileCall::EStatusDisconnectingWithInband:
+            state = MVtCtlCallControl::EDisconnecting;
+            break;
+        case RMobileCall::EStatusUnknown:
+            state = MVtCtlCallControl::EUnknown;
+            break;
+        default:
+            break;
+        }
+    __VTPRINTEXIT( "CVtCtlCallStatusMonitor.MapState state" )
+    return state;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtCtlCallStatusMonitor::IsLegalNewState
+// Checks if call state transition specified by arguments is legal.
+// -----------------------------------------------------------------------------
+//
+TBool CVtCtlCallStatusMonitor::IsLegalNewState(
+    const RMobileCall::TMobileCallStatus aNewState,
+    const RMobileCall::TMobileCallStatus aCurrentState )
+    {
+    // check state transition priority          
+    const TInt newPrio = KVtCtlStatusTransitionPriorities[ aNewState ];
+    const TInt prevPrio = KVtCtlStatusTransitionPriorities[ aCurrentState ];
+
+    /**
+    * Legal transition if new state is logically consecutive compared to old
+    * state. Exception: transition to idle always possible ( !newPrio )
+    */
+    const TBool isLegal = ( newPrio > prevPrio || !newPrio );
+    return isLegal;
+    }
+#pragma CTC ENDSKIP    
+//  End of File  
+