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1 /* |
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2 * Copyright (c) 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: FreestyleEmailUi double line list model and model item implementation. |
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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 // SYSTEM INCLUDES |
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20 //<cmail> |
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21 #include "emailtrace.h" |
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22 #include "cfsmailmessage.h" |
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23 //</cmail> |
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24 |
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25 |
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26 // INTERNAL INCLUDES |
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27 #include "FreestyleEmailUiAppui.h" |
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28 #include "FreestyleEmailUiMailListModel.h" |
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29 #include "FreestyleEmailUiUtilities.h" |
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30 |
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31 |
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32 // MODEL ITEM CONSTRUCTION |
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33 CFSEmailUiMailListModelItem* CFSEmailUiMailListModelItem::NewL( CFSMailMessage* aMessagePtr, |
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34 TModelItemType aModelItemtype ) |
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35 { |
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36 FUNC_LOG; |
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37 CFSEmailUiMailListModelItem* self = CFSEmailUiMailListModelItem::NewLC( aMessagePtr, aModelItemtype ); |
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38 CleanupStack::Pop(self); |
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39 return self; |
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40 } |
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41 |
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42 CFSEmailUiMailListModelItem* CFSEmailUiMailListModelItem::NewLC( CFSMailMessage* aMessagePtr, |
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43 TModelItemType aModelItemtype ) |
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44 { |
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45 FUNC_LOG; |
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46 CFSEmailUiMailListModelItem* self = new (ELeave) CFSEmailUiMailListModelItem( aMessagePtr, aModelItemtype ); |
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47 CleanupStack::PushL(self); |
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48 return self; |
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49 } |
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50 |
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51 CFSEmailUiMailListModelItem::CFSEmailUiMailListModelItem( CFSMailMessage* aMessagePtr, |
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52 TModelItemType aModelItemtype ) |
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53 :iMessagePtr( aMessagePtr ), |
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54 iModelItemType( aModelItemtype ), |
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55 iSeparatorText( 0 ), |
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56 iFsTreeListId( 0 ) |
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57 { |
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58 FUNC_LOG; |
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59 } |
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60 |
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61 CFSEmailUiMailListModelItem::~CFSEmailUiMailListModelItem() |
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62 { |
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63 FUNC_LOG; |
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64 delete iSeparatorText; |
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65 if ( iModelItemType == ETypeMailItem ) |
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66 { |
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67 delete iMessagePtr; |
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68 } |
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69 else |
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70 { |
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71 // In case of separator item, the message is not owned. This is just a pointer |
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72 // to the first message belonging under this separator. The ownership is on the |
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73 // next mail item. |
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74 iMessagePtr = NULL; |
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75 } |
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76 } |
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77 |
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78 |
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79 void CFSEmailUiMailListModelItem::SetSeparatorTextL( const TDesC& aSeparatorText ) |
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80 { |
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81 FUNC_LOG; |
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82 delete iSeparatorText; |
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83 iSeparatorText = NULL; |
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84 iSeparatorText = aSeparatorText.AllocL(); |
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85 } |
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86 |
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87 |
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88 |
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89 |
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90 //MODEL CLASS CONSTRUCTION |
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91 CFSEmailUiMailListModel* CFSEmailUiMailListModel::NewL( CFreestyleEmailUiAppUi* aAppUi, TBool aSearchList ) |
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92 { |
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93 FUNC_LOG; |
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94 CFSEmailUiMailListModel* self = CFSEmailUiMailListModel::NewLC( aAppUi, aSearchList ); |
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95 CleanupStack::Pop(self); |
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96 return self; |
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97 } |
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98 |
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99 CFSEmailUiMailListModel* CFSEmailUiMailListModel::NewLC( CFreestyleEmailUiAppUi* aAppUi, TBool aSearchList ) |
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100 { |
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101 FUNC_LOG; |
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102 CFSEmailUiMailListModel* self = new (ELeave) CFSEmailUiMailListModel( aAppUi ); |
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103 CleanupStack::PushL(self); |
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104 self->ConstructL( aSearchList ); |
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105 return self; |
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106 } |
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107 |
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108 void CFSEmailUiMailListModel::ConstructL( TBool aSearchList ) |
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109 { |
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110 FUNC_LOG; |
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111 // set default sort criteria |
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112 iSortCriteria.iField = EFSMailSortByDate; |
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113 iSortCriteria.iOrder = EFSMailDescending; |
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114 |
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115 if ( !aSearchList ) |
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116 { |
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117 // Set TLS pointer to point ourselves. This is needed to access our |
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118 // data from static (find/sort) functions. |
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119 TInt err = UserSvr::DllSetTls( KTlsHandleMailListModel, this ); |
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120 } |
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121 } |
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122 |
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123 CFSEmailUiMailListModel::CFSEmailUiMailListModel( CFreestyleEmailUiAppUi* aAppUi ) |
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124 : iAppUi( aAppUi ) |
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125 { |
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126 FUNC_LOG; |
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127 } |
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128 |
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129 CFSEmailUiMailListModel::~CFSEmailUiMailListModel() |
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130 { |
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131 FUNC_LOG; |
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132 iItems.ResetAndDestroy(); |
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133 } |
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134 |
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135 void CFSEmailUiMailListModel::AppendL(MFSListModelItem* aItem) |
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136 { |
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137 FUNC_LOG; |
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138 TInt err; |
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139 CFSEmailUiMailListModelItem* newItem = static_cast< CFSEmailUiMailListModelItem* >(aItem); |
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140 err = iItems.Append( newItem ); |
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141 User::LeaveIfError(err); |
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142 |
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143 // If mail item was added as first child of a separator, the message pointer |
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144 // of the separator has to be reset. |
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145 TInt insertionPoint = iItems.Count()-1; |
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146 if ( insertionPoint > 0 && |
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147 newItem->ModelItemType() == ETypeMailItem && |
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148 iItems[insertionPoint-1]->ModelItemType() == ETypeSeparator ) |
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149 { |
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150 iItems[insertionPoint-1]->SetMessagePtr( &newItem->MessagePtr() ); |
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151 } |
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152 } |
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153 |
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154 void CFSEmailUiMailListModel::InsertL( MFSListModelItem* aItem, TInt aIndex ) |
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155 { |
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156 FUNC_LOG; |
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157 TInt err; |
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158 CFSEmailUiMailListModelItem* newItem = static_cast< CFSEmailUiMailListModelItem* >(aItem); |
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159 err = iItems.Insert( newItem, aIndex); |
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160 User::LeaveIfError(err); |
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161 |
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162 // If mail item was added as first child of a separator, the message pointer |
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163 // of the separator has to be reset. |
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164 if ( aIndex > 0 && |
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165 newItem->ModelItemType() == ETypeMailItem && |
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166 iItems[aIndex-1]->ModelItemType() == ETypeSeparator ) |
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167 { |
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168 iItems[aIndex-1]->SetMessagePtr( &newItem->MessagePtr() ); |
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169 } |
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170 } |
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171 |
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172 void CFSEmailUiMailListModel::RemoveAndDestroy(TInt aIndex) |
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173 { |
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174 FUNC_LOG; |
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175 delete Item(aIndex); |
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176 iItems.Remove(aIndex); |
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177 iItems.Compress(); |
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178 |
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179 // If the removed item was the first child of a preceeding node item, then the message |
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180 // pointer in the node item has to be updated. |
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181 if ( aIndex > 0 && iItems[aIndex-1]->ModelItemType() == ETypeSeparator ) |
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182 { |
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183 if ( aIndex < iItems.Count() && iItems[aIndex]->ModelItemType() == ETypeMailItem ) |
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184 { |
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185 iItems[aIndex-1]->SetMessagePtr( &iItems[aIndex]->MessagePtr() ); |
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186 } |
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187 else |
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188 { |
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189 iItems[aIndex-1]->SetMessagePtr( NULL ); |
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190 } |
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191 } |
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192 } |
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193 |
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194 MFSListModelItem* CFSEmailUiMailListModel::Item( TInt aIndex ) |
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195 { |
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196 FUNC_LOG; |
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197 TInt numInList = iItems.Count(); |
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198 if ( aIndex < 0 || aIndex >= numInList ) |
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199 { |
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200 return NULL; |
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201 } |
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202 return iItems[aIndex]; |
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203 } |
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204 |
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205 const MFSListModelItem* CFSEmailUiMailListModel::Item( TInt aIndex ) const |
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206 { |
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207 FUNC_LOG; |
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208 TInt numInList = iItems.Count(); |
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209 if ( aIndex < 0 || aIndex >= numInList ) |
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210 { |
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211 return NULL; |
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212 } |
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213 return iItems[aIndex]; |
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214 } |
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215 |
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216 TInt CFSEmailUiMailListModel::Count() const |
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217 { |
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218 FUNC_LOG; |
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219 return iItems.Count(); |
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220 } |
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221 |
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222 CFreestyleEmailUiAppUi* CFSEmailUiMailListModel::AppUi() |
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223 { |
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224 FUNC_LOG; |
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225 return iAppUi; |
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226 } |
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227 |
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228 void CFSEmailUiMailListModel::SetSortCriteria( TFSMailSortCriteria aSortCriteria ) |
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229 { |
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230 FUNC_LOG; |
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231 iSortCriteria = aSortCriteria; |
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232 } |
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233 |
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234 TFSMailSortCriteria CFSEmailUiMailListModel::SortCriteria() |
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235 { |
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236 FUNC_LOG; |
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237 return iSortCriteria; |
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238 } |
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239 |
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240 void CFSEmailUiMailListModel::SortL() |
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241 { |
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242 FUNC_LOG; |
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243 TLinearOrder<CFSEmailUiMailListModelItem> orderFunc( CompareModelItemsL ); |
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244 iItems.Sort( orderFunc ); |
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245 } |
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246 |
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247 void CFSEmailUiMailListModel::ReplaceMessagePtr( TInt aIndex, CFSMailMessage* aNewPtr ) |
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248 { |
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249 FUNC_LOG; |
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250 CFSEmailUiMailListModelItem* item = |
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251 static_cast< CFSEmailUiMailListModelItem* >( Item(aIndex) ); |
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252 |
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253 if ( item ) // Safety |
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254 { |
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255 // Mail type items own the message. Delete the existing message first. |
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256 if ( item->ModelItemType() == ETypeMailItem ) |
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257 { |
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258 delete &item->MessagePtr(); |
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259 } |
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260 item->SetMessagePtr( aNewPtr ); |
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261 |
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262 // If the item was the first child of a node, then also message pointer in the parent |
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263 // node needs to be updated |
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264 if ( aIndex > 0 && |
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265 item->ModelItemType() == ETypeMailItem && |
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266 iItems[aIndex-1]->ModelItemType() == ETypeSeparator ) |
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267 { |
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268 iItems[aIndex-1]->SetMessagePtr( aNewPtr ); |
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269 } |
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270 } |
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271 } |
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272 |
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273 TInt CFSEmailUiMailListModel::GetInsertionPointL( const CFSEmailUiMailListModelItem& aItemToInsert ) const |
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274 { |
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275 FUNC_LOG; |
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276 TInt index; |
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277 TLinearOrder<CFSEmailUiMailListModelItem> orderFunc( CompareModelItemsL ); |
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278 TInt ret = iItems.SpecificFindInOrder( &aItemToInsert, index, orderFunc, EArrayFindMode_First ); |
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279 return index; |
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280 } |
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281 |
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282 TInt CFSEmailUiMailListModel::GetInsertionPointL( const CFSEmailUiMailListModelItem& aItemToInsert, |
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283 TInt& aChildIdx, |
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284 TInt& aParentNodeIdx ) const |
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285 { |
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286 FUNC_LOG; |
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287 TInt index = GetInsertionPointL( aItemToInsert ); |
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288 |
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289 // Find out the parent node |
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290 aChildIdx = KErrNotFound; |
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291 aParentNodeIdx = KErrNotFound; |
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292 if ( index > 0 ) |
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293 { |
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294 CFSEmailUiMailListModelItem* preceedingItem = iItems[index-1]; |
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295 if ( MessagesBelongUnderSameSeparatorL( aItemToInsert.MessagePtr(), |
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296 preceedingItem->MessagePtr(), |
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297 iSortCriteria.iField ) ) |
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298 { |
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299 // The new item belongs under the same node as the previous item |
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300 // (or the previous item is a node under which the item belongs). |
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301 // Find out the previous node item. |
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302 aParentNodeIdx = index-1; |
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303 while ( aParentNodeIdx >= 0 && iItems[aParentNodeIdx]->ModelItemType() != ETypeSeparator ) |
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304 { |
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305 aParentNodeIdx--; |
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306 } |
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307 if ( aParentNodeIdx >= 0 ) |
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308 { |
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309 aChildIdx = index - aParentNodeIdx - 1; |
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310 } |
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311 } |
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312 } |
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313 |
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314 return index; |
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315 } |
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316 |
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317 TInt CFSEmailUiMailListModel::CompareModelItemsL( const CFSEmailUiMailListModelItem& aItem1, |
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318 const CFSEmailUiMailListModelItem& aItem2 ) |
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319 { |
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320 FUNC_LOG; |
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321 // Retrieve the current sort criteria from model instance in TLS |
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322 CFSEmailUiMailListModel* self = |
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323 static_cast<CFSEmailUiMailListModel*>( UserSvr::DllTls(KTlsHandleMailListModel) ); |
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324 TFSMailSortCriteria sortCriteria = self->SortCriteria(); |
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325 |
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326 TInt value = CompareMessagesL( aItem1.MessagePtr(), |
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327 aItem2.MessagePtr(), |
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328 sortCriteria.iField ); |
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329 |
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330 // The logic of the CompareMessagesL matches ascending order. In descending mode it must |
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331 // be inverted. |
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332 if ( sortCriteria.iOrder == EFSMailDescending ) |
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333 { |
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334 value = -value; |
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335 } |
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336 |
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337 // If items are equal with the primary sorting criterion and this primary criterion |
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338 // is not date sort, then descending date order is used as secondary criterion. |
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339 if ( !value && sortCriteria.iField != EFSMailSortByDate ) |
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340 { |
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341 value = -CompareMessagesL( aItem1.MessagePtr(), |
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342 aItem2.MessagePtr(), |
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343 EFSMailSortByDate ); |
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344 } |
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345 |
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346 // Some magic is needed in case one of the items (but not both) is a separator |
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347 if ( aItem1.ModelItemType() == ETypeSeparator && aItem2.ModelItemType() == ETypeMailItem ) |
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348 { |
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349 if ( !value ) |
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350 { // In case an item is equal to the first item under the node, it's greater than the node |
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351 value = -1; |
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352 } |
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353 else if ( value > 0 ) |
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354 { |
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355 // In case an item is smaller than the first item under the node, it may still be greater |
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356 // than the node (i.e. when the item belongs under this same node). |
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357 if ( MessagesBelongUnderSameSeparatorL( aItem1.MessagePtr(), |
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358 aItem2.MessagePtr(), |
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359 sortCriteria.iField ) ) |
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360 { |
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361 value = -1; |
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362 } |
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363 } |
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364 } |
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365 else if ( aItem1.ModelItemType() == ETypeMailItem && aItem2.ModelItemType() == ETypeSeparator ) |
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366 { |
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367 if ( !value ) |
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368 { // In case an item is equal to the first item under the node, it's greater than the node |
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369 value = 1; |
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370 } |
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371 else if ( value < 0 ) |
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372 { |
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373 // In case an item is smaller than the first item under the node, it may still be greater |
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374 // than the node (i.e. when the item belongs under this same node). |
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375 if ( MessagesBelongUnderSameSeparatorL( aItem1.MessagePtr(), |
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376 aItem2.MessagePtr(), |
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377 sortCriteria.iField ) ) |
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378 { |
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379 value = 1; |
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380 } |
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381 } |
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382 } |
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383 |
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384 return value; |
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385 } |
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386 |
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387 // --------------------------------------------------------------------------- |
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388 // CompareMessagesL |
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389 // Compares given messages using the given sorting mode. Return positive |
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390 // value if aMessage1 is greater, negative value if aMessage1 is smaller, and |
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391 // 0 if the messages are equal. |
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392 // --------------------------------------------------------------------------- |
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393 // |
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394 TInt CFSEmailUiMailListModel::CompareMessagesL( const CFSMailMessage& aMessage1, |
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395 const CFSMailMessage& aMessage2, |
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396 TFSMailSortField aSortField ) |
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397 { |
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398 FUNC_LOG; |
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399 // For now, cast away the constness from the argument because CFSMailMessage does |
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400 // not declare all its logically constant functions as const. This is dirty and |
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401 // should be fixed in the CFSMailMessage interface. |
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402 CFSMailMessage& message1 = const_cast<CFSMailMessage&>( aMessage1 ); |
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403 CFSMailMessage& message2 = const_cast<CFSMailMessage&>( aMessage2 ); |
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404 |
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405 TInt retVal = 0; |
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406 |
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407 switch ( aSortField ) |
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408 { |
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409 case EFSMailSortByFlagStatus: |
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410 { |
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411 TInt compVal1 = 0; |
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412 if ( message1.IsFlagSet(EFSMsgFlag_FollowUpComplete) ) { compVal1 = 1; } |
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413 else if ( message1.IsFlagSet(EFSMsgFlag_FollowUp) ) { compVal1 = 2; } |
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414 |
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415 TInt compVal2 = 0; |
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416 if ( message2.IsFlagSet(EFSMsgFlag_FollowUpComplete) ) { compVal2 = 1; } |
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417 else if ( message2.IsFlagSet(EFSMsgFlag_FollowUp) ) { compVal2 = 2; } |
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418 |
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419 retVal = compVal1 - compVal2; |
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420 } |
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421 break; |
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422 case EFSMailSortByPriority: |
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423 { |
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424 TInt compVal1 = 1; |
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425 if ( message1.IsFlagSet(EFSMsgFlag_Low) ) { compVal1 = 0; } |
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426 else if ( message1.IsFlagSet(EFSMsgFlag_Important) ) { compVal1 = 2; } |
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427 |
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428 TInt compVal2 = 1; |
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429 if ( message2.IsFlagSet(EFSMsgFlag_Low) ) { compVal2 = 0; } |
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430 else if ( message2.IsFlagSet(EFSMsgFlag_Important) ) { compVal2 = 2; } |
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431 |
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432 retVal = compVal1 - compVal2; |
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433 } |
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434 break; |
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435 case EFSMailSortByRecipient: |
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436 { |
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437 CFSMailAddress* toAddress1(NULL); |
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438 CFSMailAddress* toAddress2(NULL); |
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439 |
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440 RPointerArray<CFSMailAddress>& toArray1 = message1.GetToRecipients(); |
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441 RPointerArray<CFSMailAddress>& toArray2 = message2.GetToRecipients(); |
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442 if ( toArray1.Count() ) |
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443 { |
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444 toAddress1 = toArray1[0]; |
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445 } |
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446 if ( toArray2.Count() ) |
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447 { |
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448 toAddress2 = toArray2[0]; |
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449 } |
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450 retVal = TFsEmailUiUtility::CompareMailAddressesL( toAddress1, toAddress2 ); |
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451 } |
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452 break; |
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453 case EFSMailSortBySender: |
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454 { |
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455 CFSMailAddress* fromAddress1 = message1.GetSender(); |
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456 CFSMailAddress* fromAddress2 = message2.GetSender(); |
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457 retVal = TFsEmailUiUtility::CompareMailAddressesL( fromAddress1, fromAddress2 ); |
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458 } |
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459 break; |
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460 case EFSMailSortByAttachment: |
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461 { |
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462 TInt compVal1 = 0; |
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463 if ( message1.IsFlagSet(EFSMsgFlag_Attachments) ) { compVal1 = 1; } |
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464 |
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465 TInt compVal2 = 0; |
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466 if ( message2.IsFlagSet(EFSMsgFlag_Attachments) ) { compVal2 = 1; } |
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467 |
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468 retVal = compVal1 - compVal2; |
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469 } |
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470 break; |
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471 case EFSMailSortByUnread: |
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472 { |
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473 TInt compVal1 = 0; |
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474 if ( message1.IsFlagSet(EFSMsgFlag_Read) ) { compVal1 = 1; } |
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475 |
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476 TInt compVal2 = 0; |
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477 if ( message2.IsFlagSet(EFSMsgFlag_Read) ) { compVal2 = 1; } |
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478 |
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479 retVal = compVal1 - compVal2; |
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480 } |
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481 break; |
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482 case EFSMailSortBySubject: |
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483 { |
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484 retVal = TFsEmailUiUtility::CompareMailSubjectsL( &message1, &message2 ); |
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485 } |
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486 break; |
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487 case EFSMailSortByDate: |
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488 { |
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489 TTime time1 = message1.GetDate(); |
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490 TTime time2 = message2.GetDate(); |
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491 TTimeIntervalSeconds diff; |
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492 TInt err = time1.SecondsFrom( time2, diff ); |
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493 if ( !err ) |
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494 { |
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495 // Normal case, no overflow |
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496 retVal = diff.Int(); |
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497 } |
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498 else |
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499 { |
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500 // Overflow happens if the difference in time stamps is more than roughly 68 years. |
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501 // This is a very unlikely special case but handle it properly just in case. |
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502 retVal = ( time1 > time2 ? 1 : -1 ); |
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503 } |
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504 } |
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505 break; |
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506 default: |
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507 { |
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508 retVal = 0; |
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509 } |
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510 break; |
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511 } |
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512 |
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513 return retVal; |
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514 } |
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515 |
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516 TBool CFSEmailUiMailListModel::MessagesBelongUnderSameSeparatorL( |
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517 const CFSMailMessage& aMessage1, |
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518 const CFSMailMessage& aMessage2, |
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519 TFSMailSortField aSortField ) |
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520 { |
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521 FUNC_LOG; |
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522 TBool retVal = EFalse; |
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523 |
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524 switch ( aSortField ) |
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525 { |
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526 case EFSMailSortByFlagStatus: |
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527 case EFSMailSortByPriority: |
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528 case EFSMailSortByRecipient: |
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529 case EFSMailSortBySender: |
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530 case EFSMailSortByAttachment: |
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531 case EFSMailSortByUnread: |
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532 case EFSMailSortBySubject: |
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533 { |
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534 retVal = ( !CompareMessagesL(aMessage1, aMessage2, aSortField) ); |
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535 } |
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536 break; |
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537 case EFSMailSortByDate: |
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538 { |
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539 TTime time1InHomeTime = aMessage1.GetDate(); |
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540 TTime time2InHomeTime = aMessage2.GetDate(); |
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541 TLocale currentLocaleSettings; |
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542 time1InHomeTime += currentLocaleSettings.UniversalTimeOffset(); |
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543 time1InHomeTime += currentLocaleSettings.QueryHomeHasDaylightSavingOn() |
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544 ? TTimeIntervalHours(1) : TTimeIntervalHours(0); |
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545 time2InHomeTime += currentLocaleSettings.UniversalTimeOffset(); |
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546 time2InHomeTime += currentLocaleSettings.QueryHomeHasDaylightSavingOn() |
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547 ? TTimeIntervalHours(1) : TTimeIntervalHours(0); |
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548 // Check that the day of the year and the year number are the same |
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549 TInt day1 = time1InHomeTime.DayNoInYear(); |
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550 TInt day2 = time2InHomeTime.DayNoInYear(); |
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551 TTimeIntervalYears year1 = time1InHomeTime.YearsFrom(0); |
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552 TTimeIntervalYears year2 = time2InHomeTime.YearsFrom(0); |
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553 retVal = ( day1 == day2 && year1 == year2 ); |
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554 } |
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555 break; |
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556 default: |
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557 { |
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558 retVal = EFalse; |
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559 } |
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560 break; |
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561 } |
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562 |
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563 return retVal; |
|
564 } |
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565 |
|
566 /** |
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567 * CFSEmailUiMailListModel::Reset |
|
568 */ |
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569 void CFSEmailUiMailListModel::Reset() |
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570 { |
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571 FUNC_LOG; |
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572 iItems.ResetAndDestroy(); |
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573 iSortCriteria.iField = EFSMailSortByDate; |
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574 iSortCriteria.iOrder = EFSMailDescending; |
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575 } |
|
576 |
|
577 void CFSEmailUiMailListModel::GetItemIdsUnderNodeL( const TFsTreeItemId aNodeId, |
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578 RFsTreeItemIdList& aMessageIds ) const |
|
579 { |
|
580 FUNC_LOG; |
|
581 aMessageIds.Reset(); |
|
582 const TInt count(iItems.Count()); |
|
583 for (TInt index = 0; index < count; index++) |
|
584 { |
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585 if (iItems[index]->CorrespondingListId() == aNodeId) |
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586 { |
|
587 // Found the node Id, now get all the items under it |
|
588 while (++index < count && iItems[index]->ModelItemType() == ETypeMailItem) |
|
589 { |
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590 aMessageIds.AppendL(iItems[index]->CorrespondingListId()); |
|
591 } |
|
592 break; |
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593 } |
|
594 } |
|
595 } |