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1 /* |
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2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Phonebook 2 view state. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <CPbk2ViewState.h> |
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21 |
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22 // Phonebook 2 |
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23 #include <Pbk2UID.h> |
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24 #include <MPbk2ApplicationServices.h> |
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25 #include <MPbk2AppUi.h> |
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26 |
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27 // Virtual Phonebook |
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28 #include <MVPbkContactLink.h> |
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29 #include <CVPbkContactManager.h> |
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30 |
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31 // System includes |
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32 #include <s32mem.h> |
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33 |
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34 |
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35 const TUid CPbk2ViewState::KUid = { KPbk2ViewStateUid }; |
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36 |
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37 /// Unnamed namespace for local definitions |
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38 namespace { |
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39 |
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40 const TUint8 KPbk2ViewStateVersionNumber = 1; |
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41 |
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42 /** |
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43 * Stream buffer which counts number of bytes written to it. |
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44 */ |
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45 class TCalcLengthStreamBuf : public MStreamBuf |
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46 { |
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47 public: // Construction |
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48 |
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49 /** |
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50 * Constructor. |
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51 */ |
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52 inline TCalcLengthStreamBuf() : |
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53 iBytesWritten( 0 ) |
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54 { |
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55 } |
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56 |
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57 /** |
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58 * Returns the number of bytes written. |
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59 * |
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60 * @return Number of bytes written. |
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61 */ |
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62 inline TInt BytesWritten() const |
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63 { |
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64 return iBytesWritten; |
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65 } |
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66 |
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67 private: // From MStreamBuf |
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68 |
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69 void DoWriteL( const TAny* /*aPtr*/, TInt aLength ) |
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70 { |
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71 // Just count the bytes |
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72 iBytesWritten += aLength; |
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73 } |
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74 |
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75 private: // Data |
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76 /// Ref: Count of bytes written to this streambuf |
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77 TInt iBytesWritten; |
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78 }; |
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79 |
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80 enum TPanicCode |
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81 { |
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82 EPanicInvalidVersion = 1, |
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83 EPanicInvalidDataType, |
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84 EPanicInvalidMarkedContactCount |
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85 }; |
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86 |
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87 void Panic(TPanicCode aReason) |
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88 { |
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89 _LIT(KPanicText, "CPbk2ViewState"); |
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90 User::Panic(KPanicText, aReason); |
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91 } |
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92 |
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93 } /// namespace |
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94 |
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95 |
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96 // -------------------------------------------------------------------------- |
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97 // CPbk2ViewState::CPbk2ViewState |
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98 // -------------------------------------------------------------------------- |
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99 // |
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100 CPbk2ViewState::CPbk2ViewState() : |
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101 iFocusedFieldIndex( KErrNotFound ), |
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102 iTopFieldIndex( KErrNotFound ), |
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103 iFocusedPropertiesIndex( KErrNotFound ), |
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104 iTopPropertiesIndex( KErrNotFound ) |
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105 { |
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106 } |
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107 |
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108 // -------------------------------------------------------------------------- |
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109 // CPbk2ViewState::~CPbk2ViewState |
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110 // -------------------------------------------------------------------------- |
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111 // |
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112 CPbk2ViewState::~CPbk2ViewState() |
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113 { |
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114 delete iFocusedContact; |
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115 delete iTopContact; |
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116 delete iParentContact; |
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117 delete iArray; |
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118 } |
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119 |
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120 // -------------------------------------------------------------------------- |
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121 // CPbk2ViewState::NewL |
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122 // -------------------------------------------------------------------------- |
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123 // |
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124 EXPORT_C CPbk2ViewState* CPbk2ViewState::NewL() |
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125 { |
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126 CPbk2ViewState* self = new ( ELeave ) CPbk2ViewState; |
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127 return self; |
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128 } |
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129 |
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130 // -------------------------------------------------------------------------- |
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131 // CPbk2ViewState::NewLC |
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132 // -------------------------------------------------------------------------- |
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133 // |
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134 EXPORT_C CPbk2ViewState* CPbk2ViewState::NewLC() |
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135 { |
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136 CPbk2ViewState* self = new ( ELeave ) CPbk2ViewState; |
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137 CleanupStack::PushL( self ); |
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138 return self; |
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139 } |
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140 |
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141 // -------------------------------------------------------------------------- |
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142 // CPbk2ViewState::NewL |
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143 // -------------------------------------------------------------------------- |
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144 // |
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145 EXPORT_C CPbk2ViewState* CPbk2ViewState::NewL( const TDesC8& aBuf ) |
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146 { |
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147 CPbk2ViewState* self = CPbk2ViewState::NewLC( aBuf ); |
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148 CleanupStack::Pop( self ); |
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149 return self; |
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150 } |
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151 |
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152 // -------------------------------------------------------------------------- |
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153 // CPbk2ViewState::NewLC |
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154 // -------------------------------------------------------------------------- |
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155 // |
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156 EXPORT_C CPbk2ViewState* CPbk2ViewState::NewLC( const TDesC8& aBuf ) |
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157 { |
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158 CPbk2ViewState* self = new ( ELeave ) CPbk2ViewState; |
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159 CleanupStack::PushL( self ); |
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160 self->ConstructL( aBuf ); |
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161 return self; |
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162 } |
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163 |
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164 // -------------------------------------------------------------------------- |
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165 // CPbk2ViewState::ConstructL |
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166 // -------------------------------------------------------------------------- |
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167 // |
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168 inline void CPbk2ViewState::ConstructL( const TDesC8& aBuf ) |
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169 { |
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170 UnpackL( aBuf ); |
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171 } |
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172 |
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173 // -------------------------------------------------------------------------- |
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174 // CPbk2ViewState::Uid |
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175 // -------------------------------------------------------------------------- |
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176 // |
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177 EXPORT_C TUid CPbk2ViewState::Uid() |
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178 { |
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179 return KUid; |
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180 } |
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181 |
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182 // -------------------------------------------------------------------------- |
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183 // CPbk2ViewState::FocusedContact |
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184 // -------------------------------------------------------------------------- |
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185 // |
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186 EXPORT_C const MVPbkContactLink* CPbk2ViewState::FocusedContact() const |
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187 { |
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188 return iFocusedContact; |
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189 } |
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190 |
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191 // -------------------------------------------------------------------------- |
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192 // CPbk2ViewState::TakeFocusedContact |
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193 // -------------------------------------------------------------------------- |
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194 // |
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195 EXPORT_C MVPbkContactLink* CPbk2ViewState::TakeFocusedContact() |
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196 { |
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197 MVPbkContactLink* result = iFocusedContact; |
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198 iFocusedContact = NULL; |
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199 return result; |
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200 } |
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201 |
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202 // -------------------------------------------------------------------------- |
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203 // CPbk2ViewState::TopContact |
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204 // -------------------------------------------------------------------------- |
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205 // |
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206 EXPORT_C const MVPbkContactLink* CPbk2ViewState::TopContact() const |
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207 { |
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208 return iTopContact; |
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209 } |
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210 |
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211 // -------------------------------------------------------------------------- |
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212 // CPbk2ViewState::TakeTopContact |
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213 // -------------------------------------------------------------------------- |
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214 // |
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215 EXPORT_C MVPbkContactLink* CPbk2ViewState::TakeTopContact() |
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216 { |
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217 MVPbkContactLink* result = iTopContact; |
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218 iTopContact = NULL; |
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219 return result; |
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220 } |
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221 |
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222 // -------------------------------------------------------------------------- |
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223 // CPbk2ViewState::ParentContact |
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224 // -------------------------------------------------------------------------- |
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225 // |
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226 EXPORT_C const MVPbkContactLink* CPbk2ViewState::ParentContact() const |
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227 { |
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228 return iParentContact; |
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229 } |
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230 |
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231 // -------------------------------------------------------------------------- |
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232 // CPbk2ViewState::TakeParentContact |
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233 // -------------------------------------------------------------------------- |
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234 // |
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235 EXPORT_C MVPbkContactLink* CPbk2ViewState::TakeParentContact() |
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236 { |
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237 MVPbkContactLink* result = iParentContact; |
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238 iParentContact = NULL; |
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239 return result; |
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240 } |
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241 |
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242 // -------------------------------------------------------------------------- |
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243 // CPbk2ViewState::MarkedContacts |
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244 // -------------------------------------------------------------------------- |
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245 // |
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246 EXPORT_C const MVPbkContactLinkArray* CPbk2ViewState::MarkedContacts() const |
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247 { |
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248 return iArray; |
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249 } |
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250 |
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251 // -------------------------------------------------------------------------- |
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252 // CPbk2ViewState::TakeMarkedContacts |
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253 // -------------------------------------------------------------------------- |
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254 // |
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255 EXPORT_C MVPbkContactLinkArray* CPbk2ViewState::TakeMarkedContacts() |
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256 { |
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257 MVPbkContactLinkArray* result = iArray; |
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258 iArray = NULL; |
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259 return result; |
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260 } |
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261 |
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262 // -------------------------------------------------------------------------- |
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263 // CPbk2ViewState::FocusedFieldIndex |
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264 // -------------------------------------------------------------------------- |
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265 // |
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266 EXPORT_C TInt CPbk2ViewState::FocusedFieldIndex() const |
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267 { |
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268 return iFocusedFieldIndex; |
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269 } |
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270 |
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271 // -------------------------------------------------------------------------- |
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272 // CPbk2ViewState::TopFieldIndex |
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273 // -------------------------------------------------------------------------- |
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274 // |
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275 EXPORT_C TInt CPbk2ViewState::TopFieldIndex() const |
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276 { |
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277 return iTopFieldIndex; |
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278 } |
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279 |
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280 // -------------------------------------------------------------------------- |
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281 // CPbk2ViewState::FocusedPropertiesIndex |
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282 // -------------------------------------------------------------------------- |
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283 // |
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284 EXPORT_C TInt CPbk2ViewState::FocusedPropertiesIndex() const |
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285 { |
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286 return iFocusedPropertiesIndex; |
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287 } |
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288 |
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289 // -------------------------------------------------------------------------- |
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290 // CPbk2ViewState::TopPropertiesIndex |
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291 // -------------------------------------------------------------------------- |
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292 // |
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293 EXPORT_C TInt CPbk2ViewState::TopPropertiesIndex() const |
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294 { |
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295 return iTopPropertiesIndex; |
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296 } |
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297 |
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298 // -------------------------------------------------------------------------- |
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299 // CPbk2ViewState::Flags |
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300 // -------------------------------------------------------------------------- |
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301 // |
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302 EXPORT_C TUint CPbk2ViewState::Flags() const |
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303 { |
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304 return iFlags; |
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305 } |
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306 |
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307 // -------------------------------------------------------------------------- |
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308 // CPbk2ViewState::SetFocusedContact |
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309 // -------------------------------------------------------------------------- |
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310 // |
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311 EXPORT_C void CPbk2ViewState::SetFocusedContact |
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312 ( MVPbkContactLink* aContact ) |
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313 { |
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314 delete iFocusedContact; |
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315 iFocusedContact = aContact; |
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316 } |
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317 |
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318 // -------------------------------------------------------------------------- |
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319 // CPbk2ViewState::SetTopContact |
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320 // -------------------------------------------------------------------------- |
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321 // |
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322 EXPORT_C void CPbk2ViewState::SetTopContact( MVPbkContactLink* aTopContact ) |
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323 { |
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324 delete iTopContact; |
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325 iTopContact = aTopContact; |
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326 } |
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327 |
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328 // -------------------------------------------------------------------------- |
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329 // CPbk2ViewState::SetParentContact |
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330 // -------------------------------------------------------------------------- |
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331 // |
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332 EXPORT_C void CPbk2ViewState::SetParentContact |
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333 ( MVPbkContactLink* aParentContact ) |
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334 { |
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335 delete iParentContact; |
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336 iParentContact = aParentContact; |
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337 } |
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338 |
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339 |
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340 // -------------------------------------------------------------------------- |
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341 // CPbk2ViewState::SetMarkedContacts |
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342 // -------------------------------------------------------------------------- |
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343 // |
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344 EXPORT_C void CPbk2ViewState::SetMarkedContacts |
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345 ( MVPbkContactLinkArray* aArray ) |
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346 { |
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347 delete iArray; |
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348 iArray = aArray; |
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349 } |
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350 |
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351 // -------------------------------------------------------------------------- |
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352 // CPbk2ViewState::SetFocusedFieldIndex |
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353 // -------------------------------------------------------------------------- |
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354 // |
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355 EXPORT_C void CPbk2ViewState::SetFocusedFieldIndex( TInt aIndex ) |
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356 { |
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357 iFocusedFieldIndex = aIndex; |
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358 } |
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359 |
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360 // -------------------------------------------------------------------------- |
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361 // CPbk2ViewState::SetTopFieldIndex |
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362 // -------------------------------------------------------------------------- |
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363 // |
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364 EXPORT_C void CPbk2ViewState::SetTopFieldIndex( TInt aIndex ) |
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365 { |
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366 iTopFieldIndex = aIndex; |
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367 } |
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368 |
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369 // -------------------------------------------------------------------------- |
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370 // CPbk2ViewState::SetFocusedPropertiesIndex |
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371 // -------------------------------------------------------------------------- |
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372 // |
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373 EXPORT_C void CPbk2ViewState::SetFocusedPropertiesIndex( TInt aIndex ) |
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374 { |
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375 iFocusedPropertiesIndex = aIndex; |
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376 } |
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377 |
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378 // -------------------------------------------------------------------------- |
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379 // CPbk2ViewState::SetTopPropertiesIndex |
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380 // -------------------------------------------------------------------------- |
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381 // |
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382 EXPORT_C void CPbk2ViewState::SetTopPropertiesIndex( TInt aIndex ) |
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383 { |
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384 iTopPropertiesIndex = aIndex; |
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385 } |
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386 |
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387 // -------------------------------------------------------------------------- |
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388 // CPbk2ViewState::Reset |
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389 // -------------------------------------------------------------------------- |
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390 // |
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391 EXPORT_C void CPbk2ViewState::Reset() |
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392 { |
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393 iFocusedFieldIndex = KErrNotFound; |
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394 iTopFieldIndex = KErrNotFound; |
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395 iFocusedPropertiesIndex = KErrNotFound; |
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396 iTopPropertiesIndex = KErrNotFound; |
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397 delete iFocusedContact; |
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398 iFocusedContact = NULL; |
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399 delete iTopContact; |
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400 iTopContact = NULL; |
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401 delete iArray; |
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402 iArray = NULL; |
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403 iFlags = 0; |
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404 } |
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405 |
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406 // -------------------------------------------------------------------------- |
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407 // CPbk2ViewState::SetFlags |
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408 // -------------------------------------------------------------------------- |
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409 // |
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410 EXPORT_C void CPbk2ViewState::SetFlags( TUint aFlags ) |
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411 { |
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412 iFlags = aFlags; |
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413 } |
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414 |
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415 // -------------------------------------------------------------------------- |
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416 // CPbk2ViewState::PackL |
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417 // -------------------------------------------------------------------------- |
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418 // |
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419 EXPORT_C HBufC8* CPbk2ViewState::PackL() const |
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420 { |
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421 HBufC8* buf = PackLC(); |
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422 CleanupStack::Pop(); // buf |
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423 return buf; |
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424 } |
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425 |
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426 // -------------------------------------------------------------------------- |
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427 // CPbk2ViewState::PackLC |
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428 // -------------------------------------------------------------------------- |
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429 // |
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430 EXPORT_C HBufC8* CPbk2ViewState::PackLC() const |
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431 { |
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432 // Calculate needed buffer size using TCalcLengthStreamBuf |
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433 TCalcLengthStreamBuf countBuf; |
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434 RWriteStream countStream( &countBuf ); |
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435 // This can't leave because we are using TCalcLengthStreamBuf |
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436 ExternalizeL( countStream ); |
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437 |
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438 // Allocate a buffer and a stream |
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439 HBufC8* buf = HBufC8::NewLC( countBuf.BytesWritten() ); |
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440 TPtr8 bufPtr = buf->Des(); |
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441 RDesWriteStream stream( bufPtr ); |
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442 stream.PushL(); |
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443 |
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444 // Write this object to buf through stream |
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445 ExternalizeL( stream ); |
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446 |
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447 stream.CommitL(); |
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448 CleanupStack::PopAndDestroy(); // stream |
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449 return buf; |
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450 } |
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451 |
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452 // -------------------------------------------------------------------------- |
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453 // CPbk2ViewState::UnpackL |
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454 // -------------------------------------------------------------------------- |
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455 // |
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456 EXPORT_C void CPbk2ViewState::UnpackL( const TDesC8& aPack ) |
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457 { |
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458 RDesReadStream stream( aPack ); |
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459 stream.PushL(); |
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460 InternalizeL( stream ); |
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461 CleanupStack::PopAndDestroy(); // stream |
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462 } |
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463 |
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464 |
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465 // -------------------------------------------------------------------------- |
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466 // CPbk2ViewState::operator== |
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467 // -------------------------------------------------------------------------- |
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468 // |
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469 EXPORT_C TBool CPbk2ViewState::operator==( const CPbk2ViewState& aRhs ) const |
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470 { |
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471 return iFocusedFieldIndex == aRhs.iFocusedFieldIndex && |
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472 iTopFieldIndex == aRhs.iTopFieldIndex && |
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473 iFocusedPropertiesIndex == aRhs.iFocusedPropertiesIndex && |
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474 iTopPropertiesIndex == aRhs.iTopPropertiesIndex; |
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475 } |
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476 |
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477 // -------------------------------------------------------------------------- |
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478 // CPbk2ViewState::ExternalizeL |
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479 // -------------------------------------------------------------------------- |
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480 // |
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481 void CPbk2ViewState::ExternalizeL( RWriteStream& aStream ) const |
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482 { |
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483 aStream.WriteUint8L( KPbk2ViewStateVersionNumber ); |
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484 |
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485 if (iFocusedContact) |
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486 { |
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487 aStream.WriteInt8L(EFocusedContact); |
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488 HBufC8* buf = iFocusedContact->PackLC(); |
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489 aStream.WriteUint16L(buf->Length()); |
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490 aStream.WriteL(*buf); |
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491 CleanupStack::PopAndDestroy(); // buf |
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492 } |
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493 |
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494 if (iTopContact) |
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495 { |
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496 aStream.WriteInt8L(ETopContact); |
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497 HBufC8* buf = iTopContact->PackLC(); |
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498 aStream.WriteUint16L(buf->Length()); |
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499 aStream.WriteL(*buf); |
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500 CleanupStack::PopAndDestroy(); // buf |
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501 } |
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502 |
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503 if (iParentContact) |
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504 { |
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505 aStream.WriteInt8L(EParentContact); |
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506 HBufC8* buf = iParentContact->PackLC(); |
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507 aStream.WriteUint16L(buf->Length()); |
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508 aStream.WriteL(*buf); |
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509 CleanupStack::PopAndDestroy(); // buf |
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510 } |
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511 |
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512 if (iArray) |
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513 { |
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514 aStream.WriteInt8L(EMarkedContacts); |
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515 HBufC8* buf = iArray->PackLC(); |
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516 aStream.WriteUint16L(buf->Length()); |
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517 aStream.WriteL(*buf); |
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518 CleanupStack::PopAndDestroy(); // buf |
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519 } |
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520 |
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521 if (iFocusedFieldIndex >= 0) |
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522 { |
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523 aStream.WriteInt8L(EFocusedFieldIndex); |
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524 aStream.WriteInt32L(iFocusedFieldIndex); |
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525 } |
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526 |
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527 if (iTopFieldIndex >= 0) |
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528 { |
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529 aStream.WriteInt8L(ETopFieldIndex); |
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530 aStream.WriteInt32L(iTopFieldIndex); |
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531 } |
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532 |
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533 if (iFocusedPropertiesIndex >= 0) |
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534 { |
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535 aStream.WriteInt8L(EFocusedPropertiesIndex); |
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536 aStream.WriteInt32L(iFocusedPropertiesIndex); |
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537 } |
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538 |
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539 if (iTopPropertiesIndex >= 0) |
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540 { |
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541 aStream.WriteInt8L(ETopPropertiesIndex); |
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542 aStream.WriteInt32L(iTopPropertiesIndex); |
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543 } |
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544 |
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545 if (iFlags != ENullFlags) |
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546 { |
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547 aStream.WriteInt8L(EFlags); |
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548 aStream.WriteUint32L(iFlags); |
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549 } |
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550 } |
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551 |
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552 // -------------------------------------------------------------------------- |
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553 // CPbk2ViewState::InternalizeL |
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554 // -------------------------------------------------------------------------- |
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555 // |
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556 void CPbk2ViewState::InternalizeL( RReadStream& aStream ) |
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557 { |
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558 Reset(); |
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559 |
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560 const TUint versionNumber = aStream.ReadUint8L(); |
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561 __ASSERT_ALWAYS(versionNumber == KPbk2ViewStateVersionNumber, |
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562 Panic(EPanicInvalidVersion)); |
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563 |
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564 CVPbkContactManager* contactManager = |
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565 &Phonebook2::Pbk2AppUi()->ApplicationServices().ContactManager(); |
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566 |
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567 TBool eof = EFalse; |
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568 while (!eof) |
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569 { |
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570 TInt type = EEnd; |
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571 TRAPD(err, type = aStream.ReadInt8L()); |
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572 switch (err) |
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573 { |
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574 case KErrEof: |
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575 { |
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576 // End of stream, exit loop like EEnd opcode was read |
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577 type = EEnd; |
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578 break; |
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579 } |
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580 case KErrNone: |
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581 { |
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582 break; |
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583 } |
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584 default: |
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585 { |
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586 // Some other error than EOF occured |
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587 User::Leave(err); |
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588 break; |
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589 } |
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590 } |
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591 |
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592 switch (type) |
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593 { |
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594 case EFocusedContact: |
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595 { |
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596 TInt length = aStream.ReadUint16L(); |
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597 HBufC8* buf = HBufC8::NewLC(length); |
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598 TPtr8 bufPtr = buf->Des(); |
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599 aStream.ReadL(bufPtr, length); |
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600 MVPbkContactLinkArray* links = |
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601 contactManager->CreateLinksLC( *buf ); |
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602 if ( links && links->Count() > 0 ) |
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603 { |
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604 iFocusedContact = links->At(0).CloneLC(); |
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605 CleanupStack::Pop(); |
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606 } |
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607 CleanupStack::PopAndDestroy(2); // links, buf |
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608 break; |
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609 } |
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610 |
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611 case ETopContact: |
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612 { |
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613 TInt length = aStream.ReadUint16L(); |
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614 HBufC8* buf = HBufC8::NewLC(length); |
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615 TPtr8 bufPtr = buf->Des(); |
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616 aStream.ReadL(bufPtr, length); |
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617 MVPbkContactLinkArray* links = |
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618 contactManager->CreateLinksLC( *buf ); |
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619 if ( links && links->Count() > 0 ) |
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620 { |
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621 iTopContact = links->At(0).CloneLC(); |
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622 CleanupStack::Pop(); |
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623 } |
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624 CleanupStack::PopAndDestroy(2); // links, buf |
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625 break; |
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626 } |
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627 |
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628 case EParentContact: |
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629 { |
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630 TInt length = aStream.ReadUint16L(); |
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631 HBufC8* buf = HBufC8::NewLC(length); |
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632 TPtr8 bufPtr = buf->Des(); |
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633 aStream.ReadL(bufPtr, length); |
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634 MVPbkContactLinkArray* links = |
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635 contactManager->CreateLinksLC( *buf ); |
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636 if ( links && links->Count() > 0 ) |
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637 { |
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638 iParentContact = links->At(0).CloneLC(); |
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639 CleanupStack::Pop(); |
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640 } |
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641 CleanupStack::PopAndDestroy(2); // links, buf |
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642 break; |
|
643 } |
|
644 |
|
645 case EMarkedContacts: |
|
646 { |
|
647 TInt length = aStream.ReadUint16L(); |
|
648 HBufC8* buf = HBufC8::NewLC(length); |
|
649 TPtr8 bufPtr = buf->Des(); |
|
650 aStream.ReadL(bufPtr, length); |
|
651 iArray = contactManager->CreateLinksLC( *buf ); |
|
652 CleanupStack::Pop(); |
|
653 CleanupStack::PopAndDestroy(); // buf |
|
654 break; |
|
655 } |
|
656 |
|
657 case EFocusedFieldIndex: |
|
658 { |
|
659 iFocusedFieldIndex = aStream.ReadInt32L(); |
|
660 break; |
|
661 } |
|
662 |
|
663 case ETopFieldIndex: |
|
664 { |
|
665 iTopFieldIndex = aStream.ReadInt32L(); |
|
666 break; |
|
667 } |
|
668 |
|
669 case EFocusedPropertiesIndex: |
|
670 { |
|
671 iFocusedPropertiesIndex = aStream.ReadInt32L(); |
|
672 break; |
|
673 } |
|
674 |
|
675 case ETopPropertiesIndex: |
|
676 { |
|
677 iTopPropertiesIndex = aStream.ReadInt32L(); |
|
678 break; |
|
679 } |
|
680 |
|
681 case EFlags: |
|
682 { |
|
683 iFlags = aStream.ReadUint32L(); |
|
684 break; |
|
685 } |
|
686 |
|
687 case EEnd: |
|
688 { |
|
689 eof = ETrue; |
|
690 break; |
|
691 } |
|
692 |
|
693 default: |
|
694 { |
|
695 Panic(EPanicInvalidDataType); |
|
696 break; |
|
697 } |
|
698 } |
|
699 } |
|
700 } |
|
701 |
|
702 // End of File |