--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcchotrigger/inc/vccgsmsignallevelhandler.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,181 @@
+/*
+* Copyright (c) 2009 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:   ?Description
+*
+*/
+
+
+
+#ifndef C_VCCGSMSIGNALLEVELHANDLER_H
+#define C_VCCGSMSIGNALLEVELHANDLER_H
+
+#include <e32base.h>
+#include <etel.h>
+
+#include "vccsignallevelhandler.h"
+#include "vccsignallevelobserver.h"
+#include "vccgsmnotifications.h"
+#include "vccunittesting.h"
+
+/**
+ *  VCC GSM signal level handler.
+ *
+ *  @code
+ *  void CExampleClass::ConstructL()
+ *      {
+ *      //Scan time for low and high 5 sec, low strength -85, high -70 dBm
+ *      TSignalLevelParams params = { 5e6, 5e6, 85, 70 };
+ *
+ *      //
+ *      iGsmHandler = CVccGsmSignalLevelHandler::NewL( *this, params );
+ *      }
+ *
+ *  void CExampleClass::StartMonitoringL()
+ *      {
+ *      // Start monitoring gsm signal levels.
+ *      iGsmHandler->StartL();
+ *      }
+ *
+ *  void CExampleClass::StopMonitoringL()
+ *      {
+ *      // Stop monitoring.
+ *      iGsmHandler->StopL();
+ *      }
+ *
+ *  // Called when signal level changes.
+ *  void CExampleClass::SignalLevelL(
+ *      const CVccSignalLevelHandler* aHandlerInstance,
+ *      TInt32 aSignalStrength,
+ *      TSignalStrengthClass aClass )
+ *      {
+ *      if ( iGsmHandler == aHandlerInstance )
+ *          {
+ *          // GSM signal changed, do whatever is needed
+ *          MakeHandoverDecision( aSignalStrength, aClass );
+ *          }
+ *      }
+ *
+ *
+ *  @endcode
+ *
+ *  @lib vcchotrigger.dll
+ *  @since S60 v3.2
+ */
+class CVccGsmSignalLevelHandler : public CVccSignalLevelHandler,
+                                  public MVccGsmNotifications
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aObserver Observer of this signal handler
+     * @param aParams Parameters for signal monitoring
+     */
+    static CVccGsmSignalLevelHandler * NewL( MVccSignalLevelObserver & aObserver,
+    const TSignalLevelParams& aParams );
+
+    /**
+     * Two-phased constructor.
+     * @param aObserver Observer of this signal handler
+     * @param aParams Parameters for signal monitoring
+     */
+    static CVccGsmSignalLevelHandler * NewLC(
+        MVccSignalLevelObserver & aObserver,
+        const TSignalLevelParams& aParams );
+
+    /**
+    * Destructor.
+    */
+    virtual ~CVccGsmSignalLevelHandler();
+
+private:
+
+    /**
+     * C++ constructor
+     * @param aObserver Reference to signal level observer
+     * @param aParams Reference to signal level parameters
+     */
+    CVccGsmSignalLevelHandler( MVccSignalLevelObserver & aObserver,
+                               const TSignalLevelParams& aParams );
+
+    /**
+     * Symbian second-phase constructor
+     */
+    void ConstructL();
+
+private:
+
+// from base class CVccSignalLevelHandler
+
+    /**
+    * @see CVccSignalLevelHandler::GetStrength()
+    */
+    void GetStrength();
+
+    /**
+    * @see CVccSignalLevelHandler::EnableNotificationsL()
+    */
+    void EnableNotificationsL();
+
+    /**
+    * @see CVccSignalLevelHandler::DisableNotifications()
+    */
+    void DisableNotifications();
+
+    /**
+    * @see CVccSignalLevelHandler::CancelGetStrength()
+    */
+    void CancelGetStrength();
+
+    /**
+    * @see CVccSignalLevelHandler::NotifyChanges()
+    */
+    void NotifyChanges( TInt32 aSignalStrength,
+                        MVccSignalLevelObserver::TSignalStrengthClass aClass );
+    
+// from base class MVccGsmNotifications
+
+    /**
+    * @see MVccGsmNotifications::GsmStrengthChanged()
+    */
+    void GsmStrengthChanged( TInt32 aStrength );
+
+
+private: // data
+     
+    /**
+     * Etel server
+     * Own.
+     */
+    RTelServer iEtelServer;
+    
+    /**
+     * Phone based functionality
+     * Own.
+     */
+    RMobilePhone iPhone;
+    
+    /**
+     * Gsm signal level notifier 
+     * Own.
+     */
+    CVccGsmNotifications* iGsmNotifications;
+    
+    /** Value of the GSM indication bar */
+    TInt8 iBar;
+    
+    VCC_UNITTEST( UT_CVccGsmSignalLevelHandler )
+    };
+
+#endif  // C_VCCGSMSIGNALLEVELHANDLER_H