mmshplugins/mmshaoplugin/src/muspropertymonitor.cpp
changeset 22 496ad160a278
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmshplugins/mmshaoplugin/src/muspropertymonitor.cpp	Fri Jun 11 13:36:18 2010 +0300
@@ -0,0 +1,153 @@
+/*
+* 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 "muspropertymonitor.h"
+#include "mussesseioninformationapi.h"
+#include "muslogger.h"
+
+
+// -----------------------------------------------------------------------------
+// Symbian two-phase constructor.
+// -----------------------------------------------------------------------------
+//
+CMusPropertyMonitor* CMusPropertyMonitor::NewL( MMusCallStateObserver& aCallStateObserver )  
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::NewL" )
+    CMusPropertyMonitor* self = new (ELeave) CMusPropertyMonitor( aCallStateObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::NewL" )
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// C++ constructor.
+// -----------------------------------------------------------------------------
+//
+CMusPropertyMonitor::CMusPropertyMonitor( MMusCallStateObserver& aCallStateObserver )
+    :CActive( EPriorityNormal ), iCallStateObserver ( aCallStateObserver )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// Symbian second-phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CMusPropertyMonitor::ConstructL()
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::ConstructL" )
+    CActiveScheduler::Add(this);
+    User::LeaveIfError( 
+            iPropertyEvent.Attach(
+                                NMusSessionInformationApi::KCategoryUid,
+                                NMusSessionInformationApi::KMusCallEvent ) );
+    MUS_LOG( "mus: [MUSAO] Property attached to KMusCallEvent" )    
+    iPropertyEvent.Subscribe( iStatus );
+    SetActive();
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::ConstructL" )
+    }
+
+// -----------------------------------------------------------------------------
+// C++ destructor.
+// -----------------------------------------------------------------------------
+//
+CMusPropertyMonitor::~CMusPropertyMonitor()
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::~CMusPropertyMonitor" )
+    Cancel();
+    iPropertyEvent.Close(); 
+    MUS_LOG( "mus: [MUSAO]  -> <- CMusPropertyMonitor::~CMusPropertyMonitor" )
+    }
+
+// -----------------------------------------------------------------------------
+// CMusPropertyMonitor::RunL()
+// Implemented for CActive.It will be called automatically
+// when new property event occurs
+// -----------------------------------------------------------------------------
+//
+void CMusPropertyMonitor::RunL()
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::RunL" )
+
+    // resubscribe before processing new value to prevent missing updates
+    iPropertyEvent.Subscribe( iStatus );
+    SetActive();    
+
+    //Check if preconditions are met to start or stop the MushClient.
+    iCallStateObserver.MusCallStateChanged();
+
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::RunL" )
+    }
+
+
+// -----------------------------------------------------------------------------
+// CMusPropertyMonitor::DoCancel()
+// Implemented for CActive.Will be called when Cancel() method called.
+// -----------------------------------------------------------------------------
+//
+void CMusPropertyMonitor::DoCancel()
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::DoCancel" )
+    iPropertyEvent.Cancel();
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::DoCancel" )
+    }
+
+// -----------------------------------------------------------------------------
+// CMusPropertyMonitor::RunError()
+// Implemented for CActive.It will be called automatically
+// when a leave occurs in RunL()
+// -----------------------------------------------------------------------------
+//
+TInt CMusPropertyMonitor::RunError(TInt aError)
+    {
+    MUS_LOG1( "mus: [MUSAO]  -> CMusPropertyMonitor::RunError = %d",aError )
+    
+    // Monitoring Error Occurred, Terminate the MushSession.
+    TInt err = RProperty::Set( NMusSessionInformationApi::KCategoryUid,
+                          NMusSessionInformationApi::KMusCallEvent,
+                          NMusSessionInformationApi::ENoCall);
+
+    iCallStateObserver.MusCallStateChanged();
+
+    aError = KErrNone; // We handled this error already. So return KErrNone.
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::RunError " )    
+    return aError;
+    }
+
+// -----------------------------------------------------------------------------
+// CMusPropertyMonitor::IsCallConnected()
+// Checks if the call is connected: 
+// -----------------------------------------------------------------------------
+//
+TBool CMusPropertyMonitor::IsCallConnected()
+    {
+    MUS_LOG( "mus: [MUSAO]  -> CMusPropertyMonitor::IsCallConnected" )
+    TInt callState = ( TInt ) NMusSessionInformationApi::ENoCall;
+    TInt err = KErrNone;
+    
+    err = RProperty::Get( NMusSessionInformationApi::KCategoryUid,
+                          NMusSessionInformationApi::KMusCallEvent,
+                          callState );
+    
+    MUS_LOG( "mus: [MUSAO]  <- CMusPropertyMonitor::IsCallConnected" )
+    
+    return ( err == KErrNone && callState != NMusSessionInformationApi::ENoCall );
+    }
+
+// End of file