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

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15  

    16 #ifndef __DBUNDO_H__

    17 #define __DBUNDO_H__

    18 

    19 	#include "commsdattypesv1_1.h"

    20 	#include <metadatabase.h>

    21 	using namespace CommsDat;

    22 #include <e32base.h>

    23 #include <e32std.h>

    24 #include <e32def.h>

    25 

    26 // For Connection Preferences table

    27 #include <cdbpreftable.h>

    28 

    29 // COMMDB Connection Preference settings

    30 #include <comms-infras/connectionsettings.h>

    31 

    32 // Indexes of the CDMA, GPRS and Dial Out IAP records

    33 // Dependent on the database used

    34 

    35 #define KGprsIAPIndex 2

    36 #define KDialOutIAPIndex 1

    37 

    38 _LIT( KDialOutIap, "DialOutIsp" );

    39 _LIT( KGprsIap, "NTRas GPRS" );

    40 class CBearerUpdate

    41 		{

    42 public:

    43 		TUint32 iBearerSet;

    44 		TUint32 iIapId;	

    45 		};

    46 		

    47 class CConnectionPrefUpdate

    48 		{

    49 public:

    50 		TUint32 iRanking;

    51 		CMDBField<TCommDbConnectionDirection> iDirection;

    52 		TUint32 iDialogPref;

    53 		CBearerUpdate iBearer;

    54 		};

    55 

    56 // Classes to maintain an "undo" linked list to restore database state

    57 // between tests

    58 class CDbAgtBase;

    59 

    60 // Base class for storing undo data, derived classes store data specific to the 

    61 // type of column we're dealing with

    62 class CDbUndoBase : public CBase

    63 	{

    64 public:

    65 	virtual void UndoL(CDbAgtBase *aTable)=0;

    66 

    67 public:

    68 	TDblQueLink iLink;

    69 

    70 protected:

    71 	TPtrC iColumn;

    72 	};

    73 

    74 // Derived from CDbUndoBase to store integer values requiring Undo

    75 class CDbUndoInt : public CDbUndoBase

    76 	{

    77 public:

    78 

    79 	static CDbUndoInt* NewL(const TDesC &aColumn, const TUint32 &aValue);

    80 	void ConstructL(const TDesC &aColumn, const TUint32 &aValue);

    81 

    82 	// Concrete implementation of pure virtual in CDbUndoBase

    83 	virtual void UndoL(CDbAgtBase *aDb);

    84 

    85 private:

    86 	// Data specific to the type of column we're are dealing with

    87 	// In this class we undo integer data.

    88 	TUint32 iValue;

    89 	};

    90 

    91 // Derived from CDbUndoBase to store boolean values requiring Undo

    92 class CDbUndoBool : public CDbUndoBase

    93 	{

    94 public:

    95 

    96 	static CDbUndoBool* NewL(const TDesC &aColumn, const TBool &aValue);

    97 	void ConstructL(const TDesC &aColumn, const TBool &aValue);

    98 

    99 	// Concrete implementation of pure virtual in CDbUndoBase

   100 	virtual void UndoL(CDbAgtBase *aDb);

   101 

   102 private:

   103 	// Data specific to the type of column we're are dealing with

   104 	// In this class we undo boolean data.

   105 	TBool iValue;

   106 	};

   107 

   108 // Derived from CDbUndoBase to store text values requiring Undo

   109 class CDbUndoText : public CDbUndoBase

   110 	{

   111 public:

   112 

   113 	static CDbUndoText* NewL(const TDesC &aColumn, const TDesC16& aValue);

   114 	void ConstructL(const TDesC &aColumn, const TDesC16& aValue);

   115 

   116 	// Concrete implementation of pure virtual in CDbUndoBase

   117 	virtual void UndoL(CDbAgtBase *aDb);

   118 

   119 private:

   120 	// Data specific to the type of column we're are dealing with

   121 	// In this class we undo text data.

   122 	TBuf16<KCommsDbSvrMaxFieldLength> iText;

   123 	};

   124 

   125 // Derived from CDbUndoBase to store long text values requiring Undo

   126 class CDbUndoLongText : public CDbUndoBase

   127 	{

   128 public:

   129 

   130 	static CDbUndoLongText* NewL(const TDesC &aColumn, const HBufC* aValue);

   131 	void ConstructL(const TDesC &aColumn, const HBufC* aValue);

   132 

   133 	// Concrete implementation of pure virtual in CDbUndoBase

   134 	virtual void UndoL(CDbAgtBase *aDb);

   135 

   136 private:

   137 	// Data specific to the type of column we're are dealing with

   138 	// In this class we undo long text data.

   139 	HBufC* iLongText;

   140 	};

   141 

   142 // Derived from CDbUndoBase to store agent extension name requiring Undo

   143 class CDbUndoAgentExt : public CDbUndoBase

   144 	{

   145 public:

   146 

   147 	static CDbUndoAgentExt* NewL(const TDesC &aService, const TDesC& aAgentExt);

   148 	void ConstructL(const TDesC &aService, const TDesC& aAgentExt);

   149 

   150 	// Concrete implementation of pure virtual in CDbUndoBase

   151 	virtual void UndoL(CDbAgtBase *aDb);

   152 

   153 private:

   154 	// Data specific to the type of column we're are dealing with

   155 	// In this class we undo text data.

   156 	TBuf16<KCommsDbSvrMaxFieldLength> iText;

   157 	};

   158 

   159 // Base class for all database access

   160 class CDbAgtBase : public CBase 

   161 	{

   162 	friend class CDbUndoInt;

   163 	friend class CDbUndoBool;

   164 	friend class CDbUndoText;

   165 	friend class CDbUndoLongText;

   166 	friend class CDbUndoAgentExt;

   167 public:

   168 	~CDbAgtBase();

   169 	void SetColumnIntL(const TDesC& aColumn, const TUint32& aValue);

   170 	void SetColumnBoolL(const TDesC& aColumn, const TBool& aValue);

   171 	void SetColumnTextL(const TDesC& aColumn, const TDesC16& aValue);

   172 	void SetColumnLongTextL(const TDesC& aColumn, const TDesC16& aValue);

   173 	void SetAgentExtL(const TDesC& aService, const TDesC& aAgentExt);

   174 	void UndoDatabaseChangesL();

   175 

   176 protected:

   177 	CDbAgtBase();

   178 	void ConstructL();

   179 

   180 

   181 protected:

   182 	// Used to access the database and retain a view on whichever table is of interest

   183 	CMDBSession *iDb;

   184 	CMDBRecordSetBase* iTable;

   185 	TUint iCurrentRecord;

   186 

   187 private:

   188 	void ModifyColumnIntL(const TDesC& aColumn, const TUint32& aValue);

   189 	void ModifyColumnBoolL(const TDesC& aColumn, const TBool& aValue);

   190 	void ModifyColumnTextL(const TDesC& aColumn, const TDesC16& aValue);

   191 	void ModifyColumnLongTextL(const TDesC& aColumn, const TDesC16& aValue);

   192 	void ModifyAgentExtL(const TDesC &aService, const TDesC& aAgentExt);

   193 

   194 private:

   195 	// Double linked list header for undo functionality

   196 	TDblQue<CDbUndoBase> iQHeader;

   197 	

   198 	// Double linked list iterator for undo functionality

   199 	TDblQueIter<CDbUndoBase> iQIter;

   200 

   201 	};

   202 

   203 

   204 // GPRS OUTGOING specific class 

   205 class CDbGPRSOutgoingTable : public CDbAgtBase 

   206 	{

   207 public:

   208 	static CDbGPRSOutgoingTable *NewL();

   209 	~CDbGPRSOutgoingTable();

   210 

   211 private:

   212 	CDbGPRSOutgoingTable();

   213 	void ConstructL();

   214 	};

   215 

   216 // CSD specific class 

   217 class CDbCsdTable : public CDbAgtBase 

   218 	{

   219 public:

   220 	static CDbCsdTable *NewL();

   221 	~CDbCsdTable();

   222 

   223 private:

   224 	CDbCsdTable();

   225 	void ConstructL();

   226 	};

   227 

   228 // MODEM specific class 

   229 class CDbModemTable : public CDbAgtBase 

   230 	{

   231 public:

   232 	static CDbModemTable *NewL();

   233 	~CDbModemTable();

   234 

   235 private:

   236 	CDbModemTable();

   237 	void ConstructL();

   238 	};

   239 

   240 // Preference table

   241 class CDbPrefTable : public CDbAgtBase 

   242 	{

   243 public:

   244 	static CDbPrefTable *NewL( CMDBField<TCommDbConnectionDirection> aDirection, CBearerUpdate aBearerUpdate, TBool aReadOnly, TUint32 aDialogPref );

   245 	~CDbPrefTable();

   246 

   247 private:

   248 	CDbPrefTable();

   249 	void ConstructL();

   250 	void RevertPreferenceTableL();

   251 	CMDBRecordSet<CCDConnectionPrefsRecord>* iPrefTable;

   252 	TUint iCurrentPrefRecord;

   253 

   254 	TBuf16<KCommsDbSvrMaxFieldLength> iIapName;

   255 	CMDBField<TCommDbConnectionDirection> iDirection;

   256 	CBearerUpdate iBearerUpdate;

   257 	CConnectionPrefUpdate iOldPrefs;

   258 	TBool iReadOnly;

   259 	TUint32 iDialogPref;

   260 	};

   261 

   262 // IAP table

   263 class CDbIapTable : public CDbAgtBase 

   264 	{

   265 public:

   266 	static CDbIapTable *NewL(const TDesC16& aIapName);

   267 	~CDbIapTable();

   268 	void GetBearerSetIapIdL(TUint32& aIapId);

   269 

   270 private:

   271 	CDbIapTable();

   272 	void ConstructL();

   273 	TBuf16<KCommsDbSvrMaxFieldLength> iIapName;

   274 	};

   275 

   276 #endif  // DBUNDO