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1 // Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "DbUndo.h" |
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17 |
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18 |
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19 // UNDO Class for Integers |
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20 void CDbUndoInt::ConstructL(const TDesC &aColumn, const TUint32 &aValue) |
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21 { |
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22 iColumn.Set(aColumn); |
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23 iValue=aValue; |
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24 } |
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25 |
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26 CDbUndoInt *CDbUndoInt::NewL(const TDesC &aColumn, const TUint32 &aValue) |
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27 { |
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28 CDbUndoInt *undo = new(ELeave) CDbUndoInt(); |
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29 CleanupStack::PushL(undo); |
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30 undo->ConstructL(aColumn, aValue); |
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31 CleanupStack::Pop(); |
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32 return undo; |
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33 } |
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34 |
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35 void CDbUndoInt::UndoL(CDbAgtBase *aDb) |
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36 { |
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37 // Reset value in the table back to the values stored in this undo object |
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38 aDb->ModifyColumnIntL(iColumn, iValue); |
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39 } |
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40 |
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41 // UNDO Class for Booleans |
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42 void CDbUndoBool::ConstructL(const TDesC &aColumn, const TBool &aValue) |
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43 { |
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44 iColumn.Set(aColumn); |
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45 iValue=aValue; |
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46 } |
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47 |
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48 CDbUndoBool *CDbUndoBool::NewL(const TDesC &aColumn, const TBool &aValue) |
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49 { |
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50 CDbUndoBool *undo = new(ELeave) CDbUndoBool(); |
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51 CleanupStack::PushL(undo); |
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52 undo->ConstructL(aColumn, aValue); |
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53 CleanupStack::Pop(); |
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54 return undo; |
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55 } |
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56 |
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57 void CDbUndoBool::UndoL(CDbAgtBase *aDb) |
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58 { |
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59 // Reset value in the table back to the values stored in this undo object |
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60 aDb->ModifyColumnBoolL(iColumn, iValue); |
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61 } |
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62 |
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63 // UNDO Class for text |
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64 void CDbUndoText::ConstructL(const TDesC &aColumn, const TDesC16& aValue) |
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65 { |
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66 iColumn.Set(aColumn); |
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67 iText.Copy(aValue); |
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68 } |
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69 |
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70 CDbUndoText *CDbUndoText::NewL(const TDesC &aColumn, const TDesC16& aValue) |
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71 { |
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72 CDbUndoText *undo = new(ELeave) CDbUndoText(); |
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73 CleanupStack::PushL(undo); |
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74 undo->ConstructL(aColumn, aValue); |
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75 CleanupStack::Pop(); |
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76 return undo; |
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77 } |
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78 |
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79 void CDbUndoText::UndoL(CDbAgtBase *aDb) |
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80 { |
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81 // Reset text value in the table back to the text values stored in this undo object |
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82 aDb->ModifyColumnTextL(iColumn, iText); |
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83 } |
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84 |
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85 // UNDO Class for long text |
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86 void CDbUndoLongText::ConstructL(const TDesC &aColumn, const HBufC* aValue) |
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87 { |
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88 iColumn.Set(aColumn); |
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89 // Save the long text from CommDB, allocate it! |
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90 iLongText = aValue->AllocL(); |
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91 } |
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92 |
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93 CDbUndoLongText *CDbUndoLongText::NewL(const TDesC &aColumn, const HBufC* aValue) |
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94 { |
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95 CDbUndoLongText *undo = new(ELeave) CDbUndoLongText(); |
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96 CleanupStack::PushL(undo); |
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97 undo->ConstructL(aColumn, aValue); |
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98 CleanupStack::Pop(); |
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99 return undo; |
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100 } |
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101 |
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102 void CDbUndoLongText::UndoL(CDbAgtBase *aDb) |
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103 { |
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104 // Reset text value in the table back to the text values stored in this undo object |
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105 TPtr value(iLongText->Des()); |
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106 aDb->ModifyColumnLongTextL(iColumn, value); |
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107 // Allocated in ConstructL, remeber to delete! |
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108 delete iLongText; |
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109 } |
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110 |
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111 // UNDO Class for Agent Extension name |
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112 void CDbUndoAgentExt::ConstructL(const TDesC &aService, const TDesC& aAgentExt) |
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113 { |
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114 iColumn.Set(aService); |
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115 iText.Copy(aAgentExt); |
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116 } |
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117 |
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118 CDbUndoAgentExt *CDbUndoAgentExt::NewL(const TDesC &aService, const TDesC& aAgentExt) |
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119 { |
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120 CDbUndoAgentExt *undo = new(ELeave) CDbUndoAgentExt(); |
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121 CleanupStack::PushL(undo); |
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122 undo->ConstructL(aService, aAgentExt); |
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123 CleanupStack::Pop(); |
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124 return undo; |
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125 } |
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126 |
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127 void CDbUndoAgentExt::UndoL(CDbAgtBase* /*aDb*/) |
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128 { |
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129 } |
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130 |
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131 // Base class routines, used to open a CCommsDatabase and modify records |
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132 CDbAgtBase::CDbAgtBase() : iQHeader(_FOFF(CDbUndoBase,iLink)), iQIter(iQHeader) |
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133 { |
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134 } |
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135 |
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136 void CDbAgtBase::ConstructL() |
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137 { |
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138 #ifdef SYMBIAN_NON_SEAMLESS_NETWORK_BEARER_MOBILITY |
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139 iDb = CMDBSession::NewL(KCDVersion1_2); |
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140 #else |
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141 iDb = CMDBSession::NewL(KCDVersion1_1); |
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142 #endif |
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143 } |
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144 |
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145 CDbAgtBase::~CDbAgtBase() |
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146 { |
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147 delete iDb; |
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148 } |
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149 |
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150 |
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151 void CDbAgtBase::SetColumnIntL(const TDesC &aColumn, const TUint32 &aValue) |
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152 { |
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153 // Used by a client to set a value in the database, also remembers the change |
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154 // for undo purposes later |
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155 |
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156 TUint32 OldValue; |
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157 CDbUndoInt *oldRecord; |
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158 |
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159 // Get the current value in the table |
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160 TInt ValType; |
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161 CMDBField<TUint>* field = static_cast<CMDBField<TUint>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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162 OldValue = *field; |
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163 |
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164 // Add to the undo list |
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165 oldRecord = CDbUndoInt::NewL(aColumn, OldValue); |
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166 iQHeader.AddLast(*oldRecord); |
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167 |
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168 // Change the record to the new value |
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169 ModifyColumnIntL(aColumn, aValue); |
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170 } |
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171 |
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172 |
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173 void CDbAgtBase::ModifyColumnIntL(const TDesC &aColumn, const TUint32 &aValue) |
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174 { |
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175 TInt ValType; |
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176 CMDBField<TUint>* field = static_cast<CMDBField<TUint>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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177 *field = aValue; |
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178 field->ModifyL(*iDb); |
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179 } |
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180 |
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181 void CDbAgtBase::SetColumnBoolL(const TDesC &aColumn, const TBool &aValue) |
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182 { |
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183 // Used by a client to set a value in the database, also remembers the change |
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184 // for undo purposes later |
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185 |
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186 TBool OldValue; |
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187 CDbUndoBool *oldRecord; |
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188 |
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189 // Get the current value in the table |
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190 TInt ValType; |
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191 CMDBField<TBool>* field = static_cast<CMDBField<TBool>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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192 OldValue = static_cast<TBool>(*field); |
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193 |
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194 // Add to the undo list |
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195 oldRecord = CDbUndoBool::NewL(aColumn, OldValue); |
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196 iQHeader.AddLast(*oldRecord); |
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197 |
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198 // Change the record to the new value |
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199 ModifyColumnBoolL(aColumn, aValue); |
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200 } |
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201 |
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202 |
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203 void CDbAgtBase::ModifyColumnBoolL(const TDesC &aColumn, const TBool &aValue) |
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204 { |
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205 TInt ValType; |
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206 CMDBField<TBool>* field = static_cast<CMDBField<TBool>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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207 *field = aValue; |
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208 field->ModifyL(*iDb); |
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209 } |
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210 |
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211 void CDbAgtBase::SetColumnTextL(const TDesC &aColumn, const TDesC16& aValue) |
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212 { |
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213 // Used by a client to set a text value in the database, also remembers the change |
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214 // for undo purposes later |
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215 |
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216 TBuf16<KCommsDbSvrMaxFieldLength> OldText; |
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217 CDbUndoText *oldRecord; |
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218 |
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219 // Get the current value in the table |
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220 TInt ValType; |
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221 CMDBField<TDesC>* field = static_cast<CMDBField<TDesC>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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222 OldText = static_cast<TDesC>(*field); |
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223 |
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224 // Add to the undo list |
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225 oldRecord = CDbUndoText::NewL(aColumn, OldText); |
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226 iQHeader.AddLast(*oldRecord); |
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227 |
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228 // Change the record to the new value |
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229 ModifyColumnTextL(aColumn, aValue); |
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230 } |
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231 |
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232 void CDbAgtBase::ModifyColumnTextL(const TDesC &aColumn, const TDesC16& aValue) |
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233 { |
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234 TInt ValType; |
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235 CMDBField<TDesC>* field = static_cast<CMDBField<TDesC>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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236 *field = aValue; |
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237 field->ModifyL(*iDb); |
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238 } |
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239 |
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240 void CDbAgtBase::SetColumnLongTextL(const TDesC &aColumn, const TDesC16& aValue) |
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241 { |
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242 // Used by a client to set a long text value in the database, also remembers the change |
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243 // for undo purposes later |
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244 |
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245 CDbUndoLongText *oldRecord; |
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246 |
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247 // Get the current long text in the table, it is allocated in CommDB in ReadLongTextLC. |
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248 // The method returns a pointer into HBufC. |
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249 TInt ValType; |
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250 CMDBField<TDesC>* field = static_cast<CMDBField<TDesC>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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251 HBufC* OldLongText = HBufC::NewL(static_cast<TDesC>(*field).Length()); |
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252 CleanupStack::PushL(OldLongText); |
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253 *OldLongText = *field; |
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254 |
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255 // Add to the undo list |
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256 oldRecord = CDbUndoLongText::NewL(aColumn, OldLongText); |
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257 iQHeader.AddLast(*oldRecord); |
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258 |
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259 // Allocated into CDbUndoLongText in ConstructL, and this one was created in CommDB so delete it! |
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260 // this is pushed above so clean up properly |
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261 CleanupStack::PopAndDestroy(OldLongText); |
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262 |
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263 // Change the record to the new value |
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264 ModifyColumnLongTextL(aColumn, aValue); |
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265 } |
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266 |
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267 void CDbAgtBase::ModifyColumnLongTextL(const TDesC &aColumn, const TDesC16& aValue) |
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268 { |
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269 TInt ValType; |
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270 CMDBField<TDesC>* field = static_cast<CMDBField<TDesC>*>(iTable->iRecords[iCurrentRecord]->GetFieldByNameL(aColumn, ValType)); |
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271 field->SetMaxLengthL(aValue.Length()); |
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272 *field = aValue; |
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273 field->ModifyL(*iDb); |
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274 } |
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275 |
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276 |
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277 void CDbAgtBase::UndoDatabaseChangesL() |
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278 { |
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279 CDbUndoBase* currentitem; |
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280 |
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281 // Traverse back through the changes and reset database to the way it was |
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282 iQIter.SetToLast(); |
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283 |
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284 while((currentitem = iQIter--) != NULL) |
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285 { |
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286 // reset the value of this record in the database |
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287 currentitem->UndoL(this); |
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288 currentitem->iLink.Deque(); |
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289 delete currentitem; |
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290 }; |
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291 } |
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292 |
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293 |
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294 // GPRS OUTGOING TABLE access class |
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295 CDbGPRSOutgoingTable *CDbGPRSOutgoingTable::NewL() |
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296 { |
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297 CDbGPRSOutgoingTable *gprs = new(ELeave) CDbGPRSOutgoingTable(); |
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298 CleanupStack::PushL(gprs); |
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299 gprs->ConstructL(); |
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300 CleanupStack::Pop(); |
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301 return gprs; |
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302 } |
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303 |
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304 CDbGPRSOutgoingTable::CDbGPRSOutgoingTable() |
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305 { |
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306 } |
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307 |
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308 void CDbGPRSOutgoingTable::ConstructL() |
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309 { |
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310 CDbAgtBase::ConstructL(); |
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311 iTable = new CMDBRecordSet<CCDWCDMAPacketServiceRecord>(KCDTIdWCDMAPacketServiceRecord); |
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312 iTable->LoadL(*iDb); |
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313 iCurrentRecord = 0; |
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314 } |
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315 |
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316 CDbGPRSOutgoingTable::~CDbGPRSOutgoingTable() |
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317 { |
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318 delete iTable; |
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319 } |
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320 |
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321 // CSD DIAL OUT table class |
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322 CDbCsdTable *CDbCsdTable::NewL() |
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323 { |
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324 CDbCsdTable *csd = new(ELeave) CDbCsdTable(); |
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325 CleanupStack::PushL(csd); |
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326 csd->ConstructL(); |
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327 CleanupStack::Pop(); |
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328 return csd; |
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329 } |
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330 |
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331 CDbCsdTable::CDbCsdTable() |
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332 { |
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333 } |
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334 |
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335 void CDbCsdTable::ConstructL() |
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336 { |
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337 CDbAgtBase::ConstructL(); |
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338 iTable = new CMDBRecordSet<CCDDialOutISPRecord>(KCDTIdDialOutISPRecord); |
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339 iTable->LoadL(*iDb); |
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340 iCurrentRecord = 0; |
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341 } |
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342 |
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343 CDbCsdTable::~CDbCsdTable() |
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344 { |
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345 delete iTable; |
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346 } |
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347 |
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348 |
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349 // MODEM table class |
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350 CDbModemTable *CDbModemTable::NewL() |
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351 { |
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352 CDbModemTable *modem = new(ELeave) CDbModemTable(); |
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353 CleanupStack::PushL(modem); |
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354 modem->ConstructL(); |
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355 CleanupStack::Pop(); |
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356 return modem; |
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357 } |
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358 |
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359 CDbModemTable::CDbModemTable() |
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360 { |
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361 } |
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362 |
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363 void CDbModemTable::ConstructL() |
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364 { |
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365 CDbAgtBase::ConstructL(); |
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366 iTable = new CMDBRecordSet<CCDModemBearerRecord>(KCDTIdModemBearerRecord); |
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367 iTable->LoadL(*iDb); |
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368 iCurrentRecord = 0; |
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369 } |
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370 |
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371 CMDBRecordSetBase*CDbCsdTable::Table() |
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372 { |
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373 return(iTable); |
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374 } |
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375 CDbModemTable::~CDbModemTable() |
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376 { |
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377 delete iTable; |
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378 } |