--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/callcontinuity/vcchotrigger/inc/vcccchmonitor.h	Wed Sep 01 12:29:57 2010 +0100
@@ -0,0 +1,227 @@
+/*
+* Copyright (c) 2008-2008 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:   CCH monitor class definition
+*
+*/
+
+
+#ifndef VCCCCHMONITOR_H
+#define VCCCCHMONITOR_H
+
+#include <e32base.h>
+#include <cch.h>
+
+#include "vcccchobserver.h"
+#include "vccunittesting.h"
+
+/**
+ *  CCH monitor. Uses CCH to enable/disable CCH services.
+ *
+ *  @code
+ *   MyClass::ConstructL()
+ *       {
+ *       iMyCch = Cch::NewL();
+ *
+ *       iMyService = iMyCch->GetService( iMyServiceId );
+ *
+ *       User::LeaveIfNull( iMyService );
+ *
+ *       iMyService->SetObserver( *this );
+ *
+ *       TInt error = iMyService->Enable( iMyServiceType );
+ *
+ *       if ( error != KErrNone )
+ *           {
+ *           User::Leave( error );
+ *           }
+ *       }
+ *
+ *   MyClass::ServiceStatusChanged(
+ *       TInt aServiceId,
+ *       CCHSubserviceType aType,
+ *       const TCchServiceStatus& aServiceStatus )
+ *       {
+ *       if ( aServiceStatus.Error() != KErrNone )
+ *           {
+ *           HandleError();
+ *           }
+ *       else
+ *           {
+ *           HandleStateChange();
+ *           }
+ *       }
+ *
+ *   MyClass::~MyClass()
+ *       {
+ *       iMyService->Disable( iMyServiceType );
+ *       delete iCch;
+ *       }
+ *
+ *  @endcode
+ *
+ *  @lib vcchotrigger.dll
+ *  @since S60 v3.2
+ */
+class CVccCchMonitor : public CBase,
+                       public MCchServiceStatusObserver
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aObserver Observer to be notified when status changes
+     */
+    static CVccCchMonitor* NewL( MVccCchObserver& aObserver );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CVccCchMonitor();
+
+    /**
+     * Enable the service and start monitoring
+     * the service state.
+     *
+     * @since S60 v3.2
+     */
+    void EnableServiceL();
+
+    /**
+     * Disable the service and stop monitoring the
+     * service state
+     *
+     * @since S60 v3.2
+     */
+    void DisableService();
+
+    /**
+     * Get the last state of the CCH service.
+     *
+     * @since S60 v3.2
+     * @return The status of the service: available or not
+     */
+    MVccCchObserver::TServiceStatus ServiceStatus() const;
+
+
+// from base class MCchServiceStatusObserver
+
+    /**
+     * From MCchServiceStatusObserver
+     * Signaled when service status or error changes
+     *
+     * @param aServiceId Id of the service
+     * @param aType Service type
+     * @param aServiceStatus Service status
+     */
+    void ServiceStatusChanged(
+            TInt aServiceId,
+            TCCHSubserviceType aType,
+            const TCchServiceStatus& aServiceStatus );
+
+private:
+
+    /**
+     * C++ constructor
+     *
+     * @since S60 v3.2
+     * @param aObserver Observer to be notified when status changes.
+     */
+    CVccCchMonitor( MVccCchObserver& aObserver );
+
+    /**
+     * Symbian constructor
+     *
+     * @since S60 v3.2
+     */
+    void ConstructL();
+
+    /**
+     * Notify observer about CCH service status has changed.
+     *
+     * @since S60 v3.2
+     */
+    void NotifyObserver();
+
+
+    /**
+     * Enable the service (assioated to the iCchService)
+     *
+     * @since S60 v3.2
+     */
+    void DoEnableServiceL();
+
+
+private: // data
+
+    /**
+     * Our observer.
+     * Not own
+     */
+    MVccCchObserver& iObserver;
+
+    /**
+     * Should our obsever to be notified
+     * ETrue: yes, EFalse: no.
+     */
+    TBool iNotifyObserver;
+
+    /*
+     * CCH
+     * Own.
+     */
+    CCch* iCch;
+
+    /*
+     * CCH service
+     * Not own.
+     */
+    CCchService* iCchService;
+
+    /*
+     * Service is reserved for us.
+     */
+    TBool iServiceReserved;
+
+    /*
+     * Must we disable the service upon exit.
+     */
+    TBool iDisableService;
+
+    /**
+     * The last state of the CCH service.
+     */
+    TCCHSubserviceState iCurrentCchState;
+
+    /**
+     * The last error received from the CCH service
+     */
+    TInt iLastCchError;
+
+    /**
+     * Service id of the VoIP we are using
+     */
+    TInt iServiceId;
+
+    /*
+     * Current status (own status reported to observer).
+     */
+    MVccCchObserver::TServiceStatus iCurrentStatus;
+
+
+    VCC_UNITTEST( UT_CVccCchMonitor )
+    };
+
+
+#endif // VCCCCHMONITOR_H