--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/datacommsserver/networkcontroller/src/CTelBearer.h	Thu Dec 17 09:22:25 2009 +0200
@@ -0,0 +1,122 @@
+/**
+* Copyright (c) 2003-2009 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:
+*
+*/
+
+
+
+/**
+ @file CTelBearer.h
+ @internalComponent
+*/
+
+#if !defined (__CTELBEARER_H__)
+#define __CTELBEARER_H__
+
+#include <comms-infras/cbearerbase.h>
+#include <etelmm.h>
+#include <etelpckt.h>
+#include "sigstrgth.h"
+#include "asynwrap.h"
+
+_LIT(KTsyNameExtension,".tsy"); ///< KTsyNameExtension holds the extension for tsy.
+
+NONSHARABLE_CLASS(CTelBearer) : public CBearerBase, public MAsyncRequestsObserver
+/**
+The class checks the availability of the telephony bearers (i.e. CSD and PSD (either GPRS or CDMA))
+
+@internalComponent
+*/
+	{
+public:
+	virtual ~CTelBearer();
+	static CTelBearer* NewLC(MBearerObserver* aObserver);
+	static CTelBearer* NewL(MBearerObserver* aObserver);
+
+	/** implementation of base class pure virtual */
+	virtual TBool StartChecking();
+
+	/** implementation of base class pure virtual */
+	virtual TBool StartChecking(TBool aIsReconnect);
+
+	/** implementation of base class pure virtual */
+	virtual TBool StopChecking();
+
+	/** implementation of base class pure virtual */
+	virtual void Disconnect();
+
+	/** override of base-class function */
+	TInt SecondPhaseAvailability();
+
+	/** implementation of MAsyncRequestObserver interface */
+	void ETelAsyncRequestsComplete(TETelAsyncRequestData aRequestData);
+
+protected:
+	CTelBearer(MBearerObserver* aObserver);
+	void ConstructL();
+
+	/** implementation of base class pure virtual */
+	virtual void AssignSupportedBearerSet();
+
+private:
+	void GetBearerSupportL();
+	void OpenTelephonyL();
+	void OpenPhoneL(RTelServer& aTelServer, const TDesC& aTsyName, RMobilePhone& aMmPhone);
+	void CloseTelephony();
+	void RetrievePhoneCapsL();
+	void RetrieveNetworkModeL();
+	void RetrievePacketSupportL();
+
+	void CalculateAvailableBearerSet();
+	TBool CsdAvailable() const;
+	TBool PhoneAttachedAndRegistered() const;
+	TBool MsClassSupportsPsd() const;
+
+	void CheckBearerSupport();
+	static TInt StartCheckingCb(TAny* aThisPtr);
+
+private:
+	
+	/** State of ETEL server connection */
+	enum TTelServerState
+		{
+		ENotConnected,
+		EServerConnected,
+		EPhoneModuleLoaded,
+		EPhoneOpen,
+		EPacketOpen
+		};
+
+private:
+	CAsyncCallBack* iStartCheckingCb;
+	TBool iIsReconnect;
+	RTelServer iTelServer;
+	TTelServerState iTelServerState;
+	HBufC* iTsyName;
+	RMobilePhone iMmPhone;
+	CAgentSignalStrengthWatcher* iSigStrengthWatcher;
+	RPhone::TCaps iPhoneCaps;
+	TUint32 iPhoneMultimodeCaps;
+	RMobilePhone::TMobilePhoneNetworkMode iNetworkMode;
+	RPacketService iPacket;
+	RPacketService::TStatus  iPacketDataNetworkStatus;
+	RPacketService::TAttachMode iPacketAttachMode;
+	CASyncEtelRequestWrapper* iETelServerRequestsWrapper;
+	RPacketService::TMSClass iMsClass;
+	RPacketService::TRegistrationStatus iNetworkRegStatus;
+	};
+
+#endif // __CTELBEARER_H__
+