--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/mmshavailability/src/musavacalleventmonitor.cpp	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,319 @@
+/*
+* Copyright (c) 2005-2007 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:   class to watch call monitor event properties
+*
+*/
+
+
+
+#include "musavacalleventmonitor.h"
+#include "muslogger.h"
+#include "mussesseioninformationapi.h"
+#include "musresourceproperties.h"
+#include "muscallmonitorobserver.h"
+#include <e32property.h>
+
+// --------------------------------------------------------------------------
+// Two phase constructor NewL()
+// --------------------------------------------------------------------------
+//
+CMusAvaCallEventMonitor* CMusAvaCallEventMonitor::NewL(
+    MMusCallMonitorObserver& aObserver )
+    {
+    MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::NewL" )
+    CMusAvaCallEventMonitor* self = 
+        new (ELeave) CMusAvaCallEventMonitor( aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::NewL" )
+    return self;
+    }
+
+// --------------------------------------------------------------------------
+// Destructor
+// --------------------------------------------------------------------------
+//
+CMusAvaCallEventMonitor::~CMusAvaCallEventMonitor()
+    {
+    MUS_LOG( "-> CMusAvaCallEventMonitor::~CMusAoPlugin" )
+    
+    MUS_LOG( "<- CMusAvaCallEventMonitor::~CMusAoPlugin" )
+    }
+
+// --------------------------------------------------------------------------
+// Constructor 
+// --------------------------------------------------------------------------
+//
+CMusAvaCallEventMonitor::CMusAvaCallEventMonitor( 
+    MMusCallMonitorObserver& aObserver )
+    :CActive( EPriorityNormal ),
+    iObserver( aObserver )
+    {
+    }
+
+// --------------------------------------------------------------------------
+// Two phase constructor ConstructL()
+// --------------------------------------------------------------------------
+//
+void CMusAvaCallEventMonitor::ConstructL()
+    {
+    MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::ConstructL" )
+    CActiveScheduler::Add( this );
+    MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::ConstructL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// Returns the status of the call
+// --------------------------------------------------------------------------
+//
+TInt CMusAvaCallEventMonitor::CallStatusL()
+    {
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
+        CallStatusL" )    
+    TInt callStatus;
+    User::LeaveIfError( RProperty::Get(
+        NMusSessionInformationApi::KCategoryUid,
+        NMusSessionInformationApi::KMusCallEvent,
+        callStatus ) );
+
+    MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call Event = %d ", 
+        callStatus )    
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
+        CallStatusL" )    
+    return callStatus;
+    }
+
+// --------------------------------------------------------------------------
+// Returns the direction of connected call.
+// --------------------------------------------------------------------------
+//
+TInt CMusAvaCallEventMonitor::CallDirectionL()
+    {
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
+        CallDirectionL" )
+    // retrieve call count
+    TInt direction( 0 );
+    User::LeaveIfError( RProperty::Get(
+        NMusSessionInformationApi::KCategoryUid,
+        NMusSessionInformationApi::KMusCallDirection,
+        direction ) );
+
+    MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call Direction = %d ", 
+        direction )
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
+        CallDirectionL" )
+    return direction;
+    }
+    
+// --------------------------------------------------------------------------
+// Returns the direction of connected call.
+// --------------------------------------------------------------------------
+//
+TInt CMusAvaCallEventMonitor::CallPrivacyL()
+    {
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
+            CallPrivacyL" )
+    // retrieve call count
+    TInt privacy( 0 );
+    User::LeaveIfError( RProperty::Get(
+        NMusSessionInformationApi::KCategoryUid,
+        NMusSessionInformationApi::KMUSPrivacy,
+        privacy ) );
+
+    MUS_LOG1( "mus: [CMusAvaCallEventMonitor]     Call privacy = %d ", 
+            privacy )
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
+        CallPrivacyL" )
+    return privacy;
+    }
+	
+// --------------------------------------------------------------------------
+// aTelNumber will be filled with telephone number of current connected call
+// --------------------------------------------------------------------------
+//
+void CMusAvaCallEventMonitor::GetTelNumberL( TDes& aTelNumber )
+    {
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
+        GetTelNumberL" )
+    TBuf<KMusTelNumberMaxLength> telNumber;
+
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
+        GetTelNumberL - a" )
+    TInt error = RProperty::Get(
+        NMusSessionInformationApi::KCategoryUid,
+        NMusSessionInformationApi::KMusTelNumber,
+        telNumber );
+
+    MUS_LOG1( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
+        GetTelNumberL (%d)", error )
+
+    if ( error != KErrOverflow )
+        {
+        User::LeaveIfError( error );
+        }
+
+    TInt length = telNumber.Length();
+    TInt maxLength = aTelNumber.MaxLength();
+    if ( maxLength < length )
+        {
+        // buffer is too small for returned tel number.
+        MUS_LOG2( "mus: [CMusAvaCallEventMonitor]  CMusAvaCallEventMonitor::\
+            GetTelNumberL - Buffer too small (%d, %d), leave", 
+            maxLength, length )
+        User::Leave( KErrOverflow );
+        }
+
+    aTelNumber.Copy( telNumber );
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
+        GetTelNumberL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// Subscribe to the property, means start monitoring the property
+// --------------------------------------------------------------------------
+//
+void CMusAvaCallEventMonitor::StartMonitoringL()
+    {
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  -> CMusAvaCallEventMonitor::\
+        StartMonitoringL" )
+    if ( !IsActive() )
+        {
+        MUS_LOG( "mus: [CMusAvaCallEventMonitor]   CMusAvaCallEventMonitor::\
+            StartMonitoringL - Not active, starting" )
+        User::LeaveIfError( iPropertyEvent.Attach(
+            NMusSessionInformationApi::KCategoryUid,
+            NMusSessionInformationApi::KMusCallEvent ) );
+        // initial subscription and process current property value
+        iPropertyEvent.Subscribe( iStatus );
+        SetActive();
+        }
+    MUS_LOG( "mus: [CMusAvaCallEventMonitor]  <- CMusAvaCallEventMonitor::\
+        StartMonitoringL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// Called by Cancel()
+// --------------------------------------------------------------------------
+//
+void CMusAvaCallEventMonitor::DoCancel()
+    {
+    iPropertyEvent.Cancel();
+    iPropertyEvent.Close();
+    }
+
+
+// --------------------------------------------------------------------------
+// Active Object RunL implementation. Will be called when property changes.
+// --------------------------------------------------------------------------
+//
+void CMusAvaCallEventMonitor::RunL()
+    {
+    MUS_LOG( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::RunL" )
+
+    // resubscribe before processing new value to prevent missing updates
+    iPropertyEvent.Subscribe( iStatus );
+    SetActive();
+
+    // property updated, get new value
+    TInt callStatus;
+    if ( iPropertyEvent.Get( callStatus ) == KErrNotFound )
+        {
+        // property deleted
+        iObserver.NoActiveCallL();
+        }
+    else
+        {
+        switch( callStatus )
+            {
+            case NMusSessionInformationApi::ENoCall:
+                {
+                iObserver.NoActiveCallL();
+                break;
+                }
+
+            case NMusSessionInformationApi::ECallConnected:
+                {
+                // retrieve telnumber
+                TInt error;
+                TBuf<KMusTelNumberMaxLength> telNumber;
+                error = RProperty::Get(
+                    NMusSessionInformationApi::KCategoryUid,
+                    NMusSessionInformationApi::KMusTelNumber,
+                    telNumber );
+
+                if ( error != KErrOverflow )
+                    {
+                    User::LeaveIfError( error );
+                    }
+
+                iObserver.CallConnectedL( telNumber );
+                break;
+                }
+
+            case NMusSessionInformationApi::ECallHold:
+                {
+                 // retrieve telnumber
+                TInt error;
+                TBuf<KMusTelNumberMaxLength> telNumber;
+                error = RProperty::Get(
+                    NMusSessionInformationApi::KCategoryUid,
+                    NMusSessionInformationApi::KMusTelNumber,
+                    telNumber );
+
+                if ( error != KErrOverflow )
+                    {
+                    User::LeaveIfError( error );
+                    }
+                iObserver.CallHoldL( telNumber );
+                break;
+                }
+
+            case NMusSessionInformationApi::EConferenceCall:
+                {
+                iObserver.ConferenceCallL();
+                break;
+                }
+
+            default:
+                {
+                iObserver.NoActiveCallL();
+                break;
+                }
+            }
+        }
+
+    MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::RunL" )
+    }
+
+
+// --------------------------------------------------------------------------
+// RunL leaves will be handled here. Make sure it returns KErrNone
+// Otherwise Active Scheduler Error() will be called.
+// --------------------------------------------------------------------------
+//
+TInt CMusAvaCallEventMonitor::RunError( TInt aError )
+    {
+    MUS_LOG1( "mus: [MUSAOP]  -> CMusAvaCallEventMonitor::RunError(%d)",
+        aError )
+
+    // Not much things can be done here as cleanup operation.
+    aError = KErrNone;
+
+    MUS_LOG( "mus: [MUSAOP]  <- CMusAvaCallEventMonitor::RunError" )
+    return aError;
+    }