--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/telutils/telephonyservice/src/ctelsrvbase.cpp	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,144 @@
+/*
+* Copyright (c) 2007-2008 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:  Provides implementation for CTelSrvBase -class.
+*
+*/
+
+#include "ctelsrvbase.h"
+#include "telsrvlogger.h"
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// C++ constructor.
+// ---------------------------------------------------------------------------
+//
+CTelSrvBase::CTelSrvBase()
+    {
+    // No implementation required
+    }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CTelSrvBase::~CTelSrvBase()
+    {
+    delete iCommandBuffer;
+    delete iWaitForCommandResponse;
+    delete iMediatorService;
+    }
+
+// ---------------------------------------------------------------------------
+// Symbian second-phase constructor.
+// ---------------------------------------------------------------------------
+//
+void CTelSrvBase::BaseConstructL( CMediatorService* aMediatorService )
+    {
+    iMediatorService = aMediatorService;
+    iWaitForCommandResponse = new( ELeave )CActiveSchedulerWait();
+    iCommandBuffer = CIdle::NewL( CActive::EPriorityHigh );
+    
+    iMediatorService->SetObserver(this);    
+    //event might come while getting initial state so subscribe it first.
+    SubscribeMediatorEventL();    
+    Initialize();
+    }
+
+// ---------------------------------------------------------------------------
+// From class MMediatorCommandResponseObserver.
+// A response to a Mediator Service command.
+// ---------------------------------------------------------------------------
+//
+void CTelSrvBase::CommandResponseL( const TDesC8& aData )
+  {
+  TSLOGSTRING("CTelSrvBase::CommandResponseL <<");
+  if( iWaitForCommandResponse->IsStarted() )
+      {
+      iWaitForCommandResponse->AsyncStop();
+      DoHandleCommandResponseL( aData );
+      }  
+  }
+
+// ---------------------------------------------------------------------------
+// From class MMediatorCommandResponseObserver.
+// for handling a Mediator Service event.
+// ---------------------------------------------------------------------------
+//
+void CTelSrvBase::MediatorEventL( const TDesC8& aData )
+    {
+    TSLOGSTRING("CTelSrvBase::MediatorEventL <<");
+    
+    // Command response can be discarded if event is received
+    // while waiting for response.
+    if( iWaitForCommandResponse->IsStarted() )
+        {
+        iWaitForCommandResponse->AsyncStop();
+        }  
+    
+    DoHandleMediatorEventL( aData );
+    }
+ 
+
+
+// ---------------------------------------------------------------------------
+// Get the current info through Mediator.
+// ---------------------------------------------------------------------------
+//
+void CTelSrvBase::Initialize(  )
+  {
+  TSLOGSTRING("CTelSrvBase::Initialize <<");
+  TInt error = iMediatorService->SendCommand();    
+      
+  if( KErrInUse == error )    //Command needs to be re-send
+      {        
+      if ( !iCommandBuffer->IsActive() )
+          {
+          iCommandBuffer->Start( TCallBack( DoReSendCommand, this ) );          
+          }
+      }
+    
+  if( !iWaitForCommandResponse->IsStarted() )
+      {
+      iWaitForCommandResponse->Start();
+      }
+  }
+
+// ---------------------------------------------------------------------------
+// Starts re-sending mediator command.
+// ---------------------------------------------------------------------------
+//
+TInt CTelSrvBase::DoReSendCommand(TAny* aPtr)
+    {    
+    TSLOGSTRING("CTelSrvBase::DoReSendCommand <<");
+    CTelSrvBase* self = 
+            static_cast< CTelSrvBase* >( aPtr );            
+            
+    self->Initialize();         
+    return KErrNone;        
+    }
+
+// ---------------------------------------------------------------------------
+// Subscribes to Mediator event.
+// ---------------------------------------------------------------------------
+//
+void CTelSrvBase::SubscribeMediatorEventL()
+    {
+    TSLOGSTRING("CTelSrvBase::SubscribeMediatorEventL <<");
+    TInt err = iMediatorService->SubscribeEvent();                                                                
+    User::LeaveIfError( err );
+    TSLOGSTRING("CTelSrvBase::SubscribeMediatorEventL >>");
+    }
+
+