1 /* |
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2 * Copyright (c) 2002-2009 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: Filtered landmarks list provider |
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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 #include <EPos_CPosLmPartialReadParameters.h> |
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21 #include <EPos_CPosLandmark.h> |
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22 #include <EPos_TPosLmSortPref.h> |
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23 #include <EPos_CPosLandmarkDatabase.h> |
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24 #include <EPos_CPosLmItemIterator.h> |
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25 #include <EPos_CPosLmSearchCriteria.h> |
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26 #include <EPos_CPosLandmarkSearch.h> |
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27 #include <e32math.h> |
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28 #include <EPos_CPosLmCompositeCriteria.h> |
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29 #include <EPos_CPosLmCategoryCriteria.h> |
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30 #include <EPos_CPosLmIdListCriteria.h> |
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31 #include <EPos_CPosLmTextCriteria.h> |
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32 #include <AknWaitDialog.h> |
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33 #include <lmkui.rsg> |
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34 |
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35 // USER INCLUDES |
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36 #include "CLmkSearchedLmListProvider.h" |
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37 #include "CLmkLandmarkUiItem.h" |
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38 #include "CLmkAOOperation.h" |
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39 #include "MLmkSelectorIconMgr.h" |
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40 #include <lmkerrors.h> |
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41 |
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42 // CONSTANTS |
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43 _LIT(KSpaceTextCriteria,"* "); |
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44 _LIT(KDefaultTextCriteria,"*"); |
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45 |
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46 #if defined(_DEBUG) |
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47 // CONSTANTS |
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48 /// Unnamed namespace for local definitions |
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49 namespace { |
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50 |
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51 _LIT( KPanicMsg, "CLmkSearchedLmListProvider" ); |
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52 |
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53 void Panic( TPanicCode aReason ) |
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54 { |
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55 User::Panic( KPanicMsg, aReason ); |
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56 } |
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57 } // namespace |
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58 #endif |
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59 // ============================ MEMBER FUNCTIONS =============================== |
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60 |
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61 // ----------------------------------------------------------------------------- |
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62 // CLmkSearchedLmListProvider::CLmkSearchedLmListProvider |
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63 // C++ constructor can NOT contain any code, that |
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64 // might leave. |
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65 // ----------------------------------------------------------------------------- |
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66 // |
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67 CLmkSearchedLmListProvider::CLmkSearchedLmListProvider( |
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68 CPosLandmarkDatabase& aDb, |
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69 CPosLmSearchCriteria& aCriteria ) |
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70 : CLmkLmItemListProvider( aDb ), |
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71 iCriteria( aCriteria ), |
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72 iIsSecondSearchStarted(EFalse) |
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73 { |
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74 } |
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75 |
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76 // ----------------------------------------------------------------------------- |
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77 // CLmkSearchedLmListProvider::ConstructL |
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78 // Symbian 2nd phase constructor can leave. |
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79 // ----------------------------------------------------------------------------- |
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80 // |
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81 void CLmkSearchedLmListProvider::ConstructL() |
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82 { |
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83 // base class 2nd phase constructor |
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84 CLmkLmItemListProvider::BaseConstructL(); |
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85 |
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86 iReadParams = CPosLmPartialReadParameters::NewLC(); |
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87 CleanupStack::Pop(); // iReadParams |
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88 iReadParams->SetRequestedAttributes( CPosLandmark::ELandmarkName | |
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89 CPosLandmark::EIcon | CPosLandmark::ECategoryInfo); |
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90 |
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91 iSearch = CPosLandmarkSearch::NewL( iDb ); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CLmkSearchedLmListProvider::NewL |
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96 // Two-phased constructor. |
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97 // ----------------------------------------------------------------------------- |
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98 // |
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99 CLmkSearchedLmListProvider* CLmkSearchedLmListProvider::NewL( |
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100 CPosLandmarkDatabase& aDb, |
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101 CPosLmSearchCriteria& aCriteria ) |
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102 { |
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103 CLmkSearchedLmListProvider* self = |
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104 new ( ELeave ) CLmkSearchedLmListProvider( aDb, aCriteria ); |
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105 |
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106 CleanupStack::PushL( self ); |
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107 self->ConstructL(); |
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108 CleanupStack::Pop(); |
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109 |
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110 return self; |
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111 } |
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112 |
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113 // --------------------------------------------------------- |
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114 // CLmkSearchedLmListProvider::~CLmkSearchedLmListProvider |
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115 // --------------------------------------------------------- |
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116 // |
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117 CLmkSearchedLmListProvider::~CLmkSearchedLmListProvider() |
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118 { |
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119 delete iReadParams; |
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120 delete iSearch; |
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121 if (iSearchAO) |
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122 { |
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123 iSearchAO->StopOperation(); |
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124 } |
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125 delete iSearchAO; |
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126 } |
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127 |
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128 // --------------------------------------------------------- |
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129 // CLmkSearchedLmListProvider::ItemAtL |
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130 // --------------------------------------------------------- |
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131 // |
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132 CLmkUiItemBase* CLmkSearchedLmListProvider::ItemAtL( TInt aIndex ) |
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133 { |
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134 __ASSERT_DEBUG( iIconMgr, Panic( KLmkPanicNullMember ) ); |
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135 //landmark with updated icon, if associated with one cat. |
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136 CPosLandmark* landmark = GetLandmarkLC(aIndex); |
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137 TPtrC mbmFile; |
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138 TInt iconFileIndex = -1; |
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139 TInt iconListIndex = -1; |
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140 TInt iconMasktIndex = -1; |
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141 TInt result = landmark->GetIcon( mbmFile, iconFileIndex, iconMasktIndex ); |
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142 if ( result == KErrNone ) |
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143 { |
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144 TRAPD(err, iconListIndex = |
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145 iIconMgr->GetIconL( mbmFile, iconFileIndex ) ); |
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146 if ( err == KErrNotFound ) // icon file not found -> fallback to default |
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147 { |
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148 iconListIndex = iIconMgr->GetDefaultIconL( |
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149 MLmkSelectorIconMgr::ELandmarkDefaultIcon ); |
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150 } |
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151 } |
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152 else |
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153 { |
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154 iconListIndex = iIconMgr->GetDefaultIconL( |
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155 MLmkSelectorIconMgr::ELandmarkDefaultIcon ); |
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156 } |
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157 |
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158 CLmkLandmarkUiItem* uiItem = |
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159 CLmkLandmarkUiItem::NewL( landmark, iconListIndex ); |
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160 CleanupStack::Pop(); // landmark, ownership transferred |
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161 return uiItem; |
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162 } |
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163 |
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164 // --------------------------------------------------------- |
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165 // CLmkSearchedLmListProvider::PrepareListL |
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166 // --------------------------------------------------------- |
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167 // |
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168 void CLmkSearchedLmListProvider::PrepareListL() |
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169 { |
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170 iCount = 0; |
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171 |
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172 iDb.SetPartialReadParametersL( *iReadParams ); |
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173 |
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174 TPosLmSortPref sortOrder( CPosLandmark::ELandmarkName, |
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175 TPosLmSortPref::EAscending ); |
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176 CPosLmOperation* operation = |
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177 iSearch->StartLandmarkSearchL( iCriteria, sortOrder ); |
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178 CleanupStack::PushL( operation ); |
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179 if (iSearchAO) |
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180 { |
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181 iSearchAO->StopOperation(); |
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182 delete iSearchAO; // cancel possibly pending operation |
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183 iSearchAO = NULL; |
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184 } |
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185 iSearchAO = CLmkAOOperation::NewL( operation, |
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186 *this, |
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187 MLmkAOOperationObserver::ESearch, |
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188 iOperationNotInUse ); |
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189 iOperationNotInUse = ETrue; |
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190 CleanupStack::Pop( operation ); // ownership transferred |
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191 iSearchAO->StartOperation(); |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CLmkSearchedLmListProvider::PrepareListL |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 TBool CLmkSearchedLmListProvider::PrepareListL(const TDesC& aSearchPattern, |
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199 TBool aSearchOnlyInPreviousMatches) |
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200 { |
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201 iCount = 0; |
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202 iRequestFromFindBox = ETrue; |
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203 iOperationNotInUse = ETrue; |
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204 iIsSecondSearchStarted = EFalse; |
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205 |
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206 if( aSearchPattern.Compare( KDefaultTextCriteria ) == 0 |
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207 || aSearchPattern.Length() <= 0 ) |
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208 { |
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209 PrepareListL(); |
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210 iRequestFromFindBox = EFalse; |
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211 return ETrue; |
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212 } |
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213 |
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214 // We need to cancel if we are searching/reading landmarks. |
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215 if (iSearchAO) |
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216 { |
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217 iSearchAO->StopOperation(); |
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218 delete iSearchAO; // cancel possibly pending operation |
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219 iSearchAO = NULL; |
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220 } |
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221 |
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222 // Create the composite criterion |
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223 CPosLmCompositeCriteria* compCrit = CPosLmCompositeCriteria::NewLC( |
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224 CPosLmCompositeCriteria::ECompositionOR ); |
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225 |
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226 // Create the text search criterion and add it to composite |
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227 CPosLmTextCriteria* textCrit1 = CPosLmTextCriteria::NewLC(); |
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228 |
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229 const TInt KExtraChars = 3; // 2 chars wildcards |
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230 HBufC* filterBuf = HBufC::NewLC(aSearchPattern.Length() + KExtraChars); |
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231 TPtr filter = filterBuf->Des(); |
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232 filter.Copy(KSpaceTextCriteria); |
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233 filter.Append(aSearchPattern); |
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234 |
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235 textCrit1->SetTextL( filter ); |
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236 textCrit1->SetAttributesToSearch(CPosLandmark::ELandmarkName); |
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237 |
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238 User::LeaveIfError( compCrit->AddArgument( textCrit1 ) ); |
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239 // Ownership of the text criterion has been passed to the composite |
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240 CleanupStack::PopAndDestroy( filterBuf ); |
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241 CleanupStack::Pop( textCrit1 ); |
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242 |
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243 // Create the text search criterion and add it to composite |
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244 CPosLmTextCriteria* textCrit2 = CPosLmTextCriteria::NewLC(); |
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245 textCrit2->SetTextL( aSearchPattern ); |
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246 textCrit2->SetAttributesToSearch(CPosLandmark::ELandmarkName); |
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247 |
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248 User::LeaveIfError( compCrit->AddArgument( textCrit2 ) ); |
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249 // Ownership of the text criterion has been passed to the composite |
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250 CleanupStack::Pop( textCrit2 ); |
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251 |
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252 iDb.SetPartialReadParametersL( *iReadParams ); |
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253 |
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254 TPosLmSortPref sortOrder( CPosLandmark::ELandmarkName, |
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255 TPosLmSortPref::EAscending ); |
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256 // Start the search |
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257 // Create search operation |
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258 CPosLmOperation* operation = iSearch->StartLandmarkSearchL( |
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259 *compCrit, sortOrder, aSearchOnlyInPreviousMatches ); |
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260 |
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261 CleanupStack::PopAndDestroy( compCrit ); |
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262 CleanupStack::PushL( operation ); |
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263 |
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264 iSearchAO = CLmkAOOperation::NewL( operation, |
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265 *this, |
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266 MLmkAOOperationObserver::ESearch, |
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267 ETrue ); |
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268 CleanupStack::Pop( operation ); // ownership transferred |
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269 |
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270 iSearchAO->StartOperation(); |
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271 |
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272 return ETrue; |
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273 } |
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274 |
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275 // --------------------------------------------------------- |
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276 // CLmkSearchedLmListProvider::StartSecondSearchL |
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277 // --------------------------------------------------------- |
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278 // |
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279 void CLmkSearchedLmListProvider::StartSecondSearchL() |
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280 { |
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281 // Create the composite criterion |
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282 CPosLmCompositeCriteria* compCrit = CPosLmCompositeCriteria::NewLC( |
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283 CPosLmCompositeCriteria::ECompositionAND ); |
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284 |
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285 // Create the category search criterion and add it to composite |
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286 CPosLmCategoryCriteria* catCrit = CPosLmCategoryCriteria::NewLC(); |
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287 catCrit->SetCategoryItemId( (static_cast<CPosLmCategoryCriteria&>(iCriteria)).CategoryItemId() ); |
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288 |
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289 User::LeaveIfError( compCrit->AddArgument( catCrit ) ); |
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290 // Ownership of the category criterion has been passed to the composite |
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291 CleanupStack::Pop( catCrit ); |
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292 |
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293 // Create the text search criterion and add it to composite |
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294 CPosLmIdListCriteria* idListCrit = CPosLmIdListCriteria::NewLC(); |
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295 idListCrit->SetLandmarkIdsL( iIdArray ); |
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296 |
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297 User::LeaveIfError( compCrit->AddArgument( idListCrit ) ); |
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298 // Ownership of the text criterion has been passed to the composite |
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299 CleanupStack::Pop( idListCrit ); |
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300 |
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301 iDb.SetPartialReadParametersL( *iReadParams ); |
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302 |
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303 TPosLmSortPref sortOrder( CPosLandmark::ELandmarkName, |
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304 TPosLmSortPref::EAscending ); |
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305 // Start the search |
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306 // Create search operation |
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307 CPosLmOperation* operation = iSearch->StartLandmarkSearchL( *compCrit, sortOrder ); |
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308 |
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309 CleanupStack::PopAndDestroy( compCrit ); |
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310 CleanupStack::PushL( operation ); |
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311 |
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312 iSearchAO = CLmkAOOperation::NewL( operation, |
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313 *this, |
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314 MLmkAOOperationObserver::ESearch, |
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315 ETrue ); |
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316 CleanupStack::Pop( operation ); // ownership transferred |
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317 |
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318 iIsSecondSearchStarted = EFalse; |
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319 iSearchAO->StartOperation(); |
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320 |
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321 } |
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322 |
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323 // --------------------------------------------------------- |
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324 // CLmkSearchedLmListProvider::HandleOperationL |
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325 // --------------------------------------------------------- |
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326 // |
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327 void CLmkSearchedLmListProvider::HandleOperationL( |
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328 TOperationTypes aType, |
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329 TReal32 aProgress, |
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330 TInt aStatus ) |
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331 { |
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332 if ( aType == MLmkAOOperationObserver::EDeleteLandmarks ) |
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333 { |
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334 return; |
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335 } |
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336 if ( aType == MLmkAOOperationObserver::ERemoveCategory ) |
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337 { |
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338 return; |
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339 } |
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340 if ( aType == MLmkAOOperationObserver::ESearch ) |
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341 { |
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342 ReadItemsToArrayL(); |
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343 if ( aStatus == KErrNone ) |
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344 { |
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345 if( iSearchAO ) |
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346 { |
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347 iSearchAO->StopOperation(); |
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348 delete iSearchAO; |
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349 iSearchAO = NULL; |
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350 } |
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351 |
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352 // reset operation values |
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353 iOperationCmd = ELmkCmdStopOperation;//temp default value |
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354 iCount = 0; |
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355 |
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356 if( iIsSecondSearchStarted ) |
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357 { |
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358 StartSecondSearchL(); |
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359 } |
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360 |
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361 if(iOperationNotInUse == EFalse ) |
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362 { |
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363 NotifyObservers( ELmkEventItemAdditionComplete ); |
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364 } |
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365 else |
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366 { |
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367 if (iRequestFromFindBox) |
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368 { |
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369 NotifyObservers( ELmkEventFindListReady ); |
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370 } |
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371 else |
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372 { |
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373 NotifyObservers( ELmkEventListReady ); |
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374 } |
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375 } |
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376 |
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377 iOperationNotInUse = ETrue; |
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378 |
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379 if ( iCatDelete ) |
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380 { |
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381 NotifyObservers( ELmkEventCategoryDeleted ); |
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382 iCatDelete = EFalse; |
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383 } |
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384 else if(iCatUpdate) |
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385 { |
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386 NotifyObservers( ELmkEventCategoryUpdated ); |
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387 iCatUpdate = EFalse; |
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388 } |
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389 |
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390 if(iItemsDeleted < iItemsToDelete) |
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391 { |
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392 PrepareForDeleteL(); |
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393 } |
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394 else |
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395 { |
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396 if(iWaitNote) |
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397 { |
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398 iWaitNote->ProcessFinishedL(); |
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399 iWaitNote = NULL; |
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400 } |
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401 } |
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402 return; |
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403 } // end of if ( aStatus == KErrNone ) |
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404 |
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405 if ( iCount == ELmkStepOne || iCount == ELmkStepTwo ) |
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406 { |
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407 if (iOperationNotInUse == EFalse ) |
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408 { |
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409 NotifyObservers( ELmkEventItemAdditionComplete ); |
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410 } |
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411 else |
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412 { |
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413 if (iRequestFromFindBox) |
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414 { |
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415 NotifyObservers( ELmkEventFindListReady ); |
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416 } |
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417 else |
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418 { |
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419 NotifyObservers( ELmkEventListReady ); |
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420 } |
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421 } |
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422 iOperationNotInUse = EFalse; |
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423 } |
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424 } |
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425 else |
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426 { // This is not this classes' operation |
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427 CLmkLmItemListProvider::HandleOperationL( aType, aProgress, aStatus); |
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428 } |
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429 } |
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430 |
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431 // --------------------------------------------------------- |
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432 // CLmkSearchedLmListProvider::HandleDatabaseEvent |
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433 // --------------------------------------------------------- |
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434 // |
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435 void CLmkSearchedLmListProvider::HandleDatabaseEvent( TPosLmEvent& aEvent ) |
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436 { |
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437 iCatDelete = EFalse; |
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438 |
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439 TBool needRefresh = ETrue; |
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440 |
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441 // check any items are selected to do operations like iconchanges or add to category. |
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442 if( iSelectedItemsCount > 0 |
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443 && iOperationCmd != ELmkCmdAddToCat |
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444 && iOperationCmd != ERemoveFromCat ) |
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445 { |
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446 iCount++; |
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447 if( iSelectedItemsCount == iCount ) |
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448 { |
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449 iSelectedItemsCount = 0; |
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450 iCount = 0; |
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451 } |
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452 needRefresh = EFalse; |
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453 } |
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454 |
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455 switch ( aEvent.iEventType ) |
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456 { |
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457 case EPosLmEventLandmarkUpdated: // lm icon changes, lm renaming |
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458 case EPosLmEventLandmarkUnknownChanges: // lm multiple deletion, lm add to category |
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459 case EPosLmEventUnknownChanges: |
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460 case EPosLmEventLandmarkCreated: |
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461 case EPosLmEventCategoryDeleted: |
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462 case EPosLmEventCategoryUpdated: |
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463 { |
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464 iOperationNotInUse = EFalse; |
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465 if (aEvent.iEventType == EPosLmEventCategoryDeleted ) |
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466 { |
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467 iCatDelete = ETrue; |
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468 } |
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469 if (aEvent.iEventType == EPosLmEventCategoryUpdated ) |
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470 { |
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471 iCatUpdate = ETrue; |
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472 } |
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473 |
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474 if( needRefresh ) |
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475 { |
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476 if( iSearchAO ) |
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477 { |
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478 iSearchAO->StopOperation(); |
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479 delete iSearchAO; |
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480 iSearchAO = NULL; |
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481 } |
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482 iOperationNotInUse = EFalse; |
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483 TInt err = KErrNone; |
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484 do |
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485 { |
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486 TRAP( err, PrepareListL() ); |
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487 }while(err == KErrLocked); |
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488 if ( err ) |
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489 { |
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490 HandleError( err ); |
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491 } |
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492 } |
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493 else |
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494 { |
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495 NotifyObservers( ELmkEventListReady ); |
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496 } |
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497 break; |
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498 } |
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499 case EPosLmEventLandmarkDeleted: |
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500 { |
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501 TInt index = iIdArray.Find( aEvent.iLandmarkItemId ); |
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502 if( index != KErrNotFound && index < iIdArray.Count()) |
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503 { |
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504 iIdArray.Remove(index); |
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505 NotifyObservers( ELmkEventListReady ); |
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506 } |
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507 break; |
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508 } |
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509 default: |
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510 { // Not interesting event for this provider |
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511 break; |
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512 } |
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513 } |
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514 // Remember to call base class observer method too |
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515 CLmkLmItemListProvider::HandleDatabaseEvent( aEvent ); |
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516 } |
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517 |
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518 // --------------------------------------------------------- |
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519 // CLmkSearchedLmListProvider::ReadItemsToArrayL |
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520 // --------------------------------------------------------- |
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521 // |
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522 void CLmkSearchedLmListProvider::ReadItemsToArrayL() |
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523 { |
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524 iIdArray.Reset(); |
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525 CPosLmItemIterator* iterator = iSearch->MatchIteratorL(); |
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526 CleanupStack::PushL( iterator ); |
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527 iCount = iterator->NumOfItemsL(); |
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528 if ( iCount > 0 ) |
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529 { // can only be called if there are some items |
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530 iterator->GetItemIdsL( iIdArray, 0, iCount ); // array is first reseted |
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531 } |
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532 CleanupStack::PopAndDestroy( iterator ); |
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533 } |
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534 |
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535 // --------------------------------------------------------- |
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536 // CLmkSearchedLmListProvider::RemoveLandmarksL |
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537 // --------------------------------------------------------- |
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538 // |
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539 void CLmkSearchedLmListProvider::RemoveLandmarksL(const RArray<TPosLmItemId>& aSelectedItems ) |
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540 { |
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541 iItemsToDelete = aSelectedItems.Count(); |
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542 iSelectedForDelete.Reset(); |
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543 for(TInt i=0;i<iItemsToDelete;i++) |
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544 iSelectedForDelete.Append(aSelectedItems[i]); |
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545 iItemsDeleted = 0; |
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546 iIsRemoveLandmarks = ETrue; |
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547 |
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548 if(iWaitNote) |
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549 { |
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550 delete iWaitNote; |
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551 iWaitNote = NULL; |
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552 } |
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553 PrepareForDeleteL(); |
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554 } |
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555 |
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556 // --------------------------------------------------------- |
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557 // CLmkSearchedLmListProvider::PrepareForDelete |
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558 // --------------------------------------------------------- |
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559 // |
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560 void CLmkSearchedLmListProvider::PrepareForDeleteL() |
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561 { |
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562 RArray<TPosLmItemId> lmItemsChunk; |
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563 TInt count = iItemsDeleted; |
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564 if(iItemsToDelete > (iItemsDeleted + 10)) |
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565 { |
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566 iItemsDeleted = iItemsDeleted + 10; |
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567 } |
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568 else |
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569 { |
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570 iItemsDeleted = iItemsDeleted + (iItemsToDelete - iItemsDeleted); |
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571 } |
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572 |
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573 for(TInt i=count;i<iItemsDeleted;i++) |
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574 { |
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575 lmItemsChunk.Append(iSelectedForDelete[i]); |
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576 } |
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577 |
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578 CPosLmOperation* operation = NULL; |
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579 if(iType == MLmkAOOperationObserver::EDeleteLandmarks) |
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580 { |
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581 operation = iDb.RemoveLandmarksL( lmItemsChunk ); |
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582 } |
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583 if(iType == MLmkAOOperationObserver::ERemoveCategory) |
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584 { |
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585 CPosLmCategoryManager* mgr = CPosLmCategoryManager::NewL( iDb ); |
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586 CleanupStack::PushL(mgr); |
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587 operation = mgr->RemoveCategoryFromLandmarksL( iCategoryId, lmItemsChunk ); |
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588 CleanupStack::PopAndDestroy();//mgr |
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589 } |
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590 User::LeaveIfNull( operation ); |
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591 |
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592 CleanupStack::PushL( operation ); |
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593 iSearchAO = CLmkAOOperation::NewL( operation, |
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594 *this, |
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595 iType, |
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596 EFalse ); |
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597 CleanupStack::Pop( operation ); // ownership transferred |
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598 |
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599 if( iSearchAO ) |
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600 { |
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601 iSearchAO->StartOperation(); |
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602 |
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603 if(!iWaitNote) |
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604 { |
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605 iWaitNote = new (ELeave) CAknWaitDialog(NULL, ETrue); |
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606 if(!iWaitNote->ExecuteLD(R_LMK_PROCESSING_WAIT_NOTE)) |
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607 { |
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608 iSearchAO->StopOperation(); |
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609 delete iSearchAO; |
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610 iSearchAO = NULL; |
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611 iWaitNote = NULL; |
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612 } |
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613 } |
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614 } |
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615 |
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616 lmItemsChunk.Close(); |
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617 } |
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618 |
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619 // End of File |
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