1 /**

     2 * Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 

    20 /**

    21  @file CTelBearer.h

    22  @internalComponent

    23 */

    24 

    25 #if !defined (__CTELBEARER_H__)

    26 #define __CTELBEARER_H__

    27 

    28 #include <comms-infras/cbearerbase.h>

    29 #include <etelmm.h>

    30 #include <etelpckt.h>

    31 #include "sigstrgth.h"

    32 #include "asynwrap.h"

    33 

    34 _LIT(KTsyNameExtension,".tsy"); ///< KTsyNameExtension holds the extension for tsy.

    35 

    36 NONSHARABLE_CLASS(CTelBearer) : public CBearerBase, public MAsyncRequestsObserver

    37 /**

    38 The class checks the availability of the telephony bearers (i.e. CSD and PSD (either GPRS or CDMA))

    39 

    40 @internalComponent

    41 */

    42 	{

    43 public:

    44 	virtual ~CTelBearer();

    45 	static CTelBearer* NewLC(MBearerObserver* aObserver);

    46 	static CTelBearer* NewL(MBearerObserver* aObserver);

    47 

    48 	/** implementation of base class pure virtual */

    49 	virtual TBool StartChecking();

    50 

    51 	/** implementation of base class pure virtual */

    52 	virtual TBool StartChecking(TBool aIsReconnect);

    53 

    54 	/** implementation of base class pure virtual */

    55 	virtual TBool StopChecking();

    56 

    57 	/** implementation of base class pure virtual */

    58 	virtual void Disconnect();

    59 

    60 	/** override of base-class function */

    61 	TInt SecondPhaseAvailability();

    62 

    63 	/** implementation of MAsyncRequestObserver interface */

    64 	void ETelAsyncRequestsComplete(TETelAsyncRequestData aRequestData);

    65 

    66 protected:

    67 	CTelBearer(MBearerObserver* aObserver);

    68 	void ConstructL();

    69 

    70 	/** implementation of base class pure virtual */

    71 	virtual void AssignSupportedBearerSet();

    72 

    73 private:

    74 	void GetBearerSupportL();

    75 	void OpenTelephonyL();

    76 	void OpenPhoneL(RTelServer& aTelServer, const TDesC& aTsyName, RMobilePhone& aMmPhone);

    77 	void CloseTelephony();

    78 	void RetrievePhoneCapsL();

    79 	void RetrieveNetworkModeL();

    80 	void RetrievePacketSupportL();

    81 

    82 	void CalculateAvailableBearerSet();

    83 	TBool CsdAvailable() const;

    84 	TBool PhoneAttachedAndRegistered() const;

    85 	TBool MsClassSupportsPsd() const;

    86 

    87 	void CheckBearerSupport();

    88 	static TInt StartCheckingCb(TAny* aThisPtr);

    89 

    90 private:

    91 	

    92 	/** State of ETEL server connection */

    93 	enum TTelServerState

    94 		{

    95 		ENotConnected,

    96 		EServerConnected,

    97 		EPhoneModuleLoaded,

    98 		EPhoneOpen,

    99 		EPacketOpen

   100 		};

   101 

   102 private:

   103 	CAsyncCallBack* iStartCheckingCb;

   104 	TBool iIsReconnect;

   105 	RTelServer iTelServer;

   106 	TTelServerState iTelServerState;

   107 	HBufC* iTsyName;

   108 	RMobilePhone iMmPhone;

   109 	CAgentSignalStrengthWatcher* iSigStrengthWatcher;

   110 	RPhone::TCaps iPhoneCaps;

   111 	TUint32 iPhoneMultimodeCaps;

   112 	RMobilePhone::TMobilePhoneNetworkMode iNetworkMode;

   113 	RPacketService iPacket;

   114 	RPacketService::TStatus  iPacketDataNetworkStatus;

   115 	RPacketService::TAttachMode iPacketAttachMode;

   116 	CASyncEtelRequestWrapper* iETelServerRequestsWrapper;

   117 	RPacketService::TMSClass iMsClass;

   118 	RPacketService::TRegistrationStatus iNetworkRegStatus;

   119 	};

   120 

   121 #endif // __CTELBEARER_H__

   122