1 /* |
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2 * Copyright (c) 2002-2010 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 // SYSTEM INCLUDES |
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19 #include <EPos_CPosLmPartialReadParameters.h> |
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20 #include <EPos_CPosLandmark.h> |
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21 #include <EPos_TPosLmSortPref.h> |
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22 #include <EPos_CPosLandmarkDatabase.h> |
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23 #include <EPos_CPosLmItemIterator.h> |
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24 #include <EPos_CPosLmSearchCriteria.h> |
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25 #include <EPos_CPosLandmarkSearch.h> |
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26 #include <e32math.h> |
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27 #include <EPos_CPosLmCompositeCriteria.h> |
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28 #include <EPos_CPosLmCategoryCriteria.h> |
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29 #include <EPos_CPosLmIdListCriteria.h> |
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30 #include <EPos_CPosLmTextCriteria.h> |
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31 #include <AknWaitDialog.h> |
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32 #include <lmkui.rsg> |
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33 |
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34 // USER INCLUDES |
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35 #include "CLmkSearchedLmListProvider.h" |
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36 #include "CLmkLandmarkUiItem.h" |
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37 #include "CLmkAOOperation.h" |
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38 #include "MLmkSelectorIconMgr.h" |
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39 #include <lmkerrors.h> |
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40 #include "Debug.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 /// Unnamed namespace for local definitions |
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48 namespace |
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49 { |
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50 _LIT( KPanicMsg, "CLmkSearchedLmListProvider" ); |
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51 void Panic(TPanicCode aReason) |
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52 { |
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53 User::Panic(KPanicMsg, aReason); |
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54 } |
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55 } // namespace |
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56 #endif |
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57 |
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58 // ============================ MEMBER FUNCTIONS =============================== |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CLmkSearchedLmListProvider::CLmkSearchedLmListProvider |
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62 // C++ constructor can NOT contain any code, that |
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63 // might leave. |
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64 // ----------------------------------------------------------------------------- |
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65 // |
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66 CLmkSearchedLmListProvider::CLmkSearchedLmListProvider( |
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67 CPosLandmarkDatabase& aDb, CPosLmSearchCriteria& aCriteria) : |
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68 CLmkLmItemListProvider(aDb), iCriteria(aCriteria), |
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69 iIsSecondSearchStarted(EFalse) |
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70 { |
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71 } |
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72 |
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73 // ----------------------------------------------------------------------------- |
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74 // CLmkSearchedLmListProvider::ConstructL |
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75 // Symbian 2nd phase constructor can leave. |
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76 // ----------------------------------------------------------------------------- |
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77 // |
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78 void CLmkSearchedLmListProvider::ConstructL() |
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79 { |
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80 // base class 2nd phase constructor |
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81 CLmkLmItemListProvider::BaseConstructL(); |
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82 |
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83 iReadParams = CPosLmPartialReadParameters::NewLC(); |
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84 CleanupStack::Pop(); // iReadParams |
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85 iReadParams->SetRequestedAttributes(CPosLandmark::ELandmarkName |
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86 | CPosLandmark::EIcon | CPosLandmark::ECategoryInfo); |
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87 |
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88 iSearch = CPosLandmarkSearch::NewL(iDb); |
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89 } |
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90 |
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91 // ----------------------------------------------------------------------------- |
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92 // CLmkSearchedLmListProvider::NewL |
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93 // Two-phased constructor. |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 CLmkSearchedLmListProvider* CLmkSearchedLmListProvider::NewL( |
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97 CPosLandmarkDatabase& aDb, CPosLmSearchCriteria& aCriteria) |
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98 { |
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99 CLmkSearchedLmListProvider* self = |
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100 new (ELeave) CLmkSearchedLmListProvider(aDb, aCriteria); |
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101 |
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102 CleanupStack::PushL(self); |
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103 self->ConstructL(); |
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104 CleanupStack::Pop(); |
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105 |
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106 return self; |
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107 } |
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108 |
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109 // --------------------------------------------------------- |
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110 // CLmkSearchedLmListProvider::~CLmkSearchedLmListProvider |
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111 // --------------------------------------------------------- |
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112 // |
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113 CLmkSearchedLmListProvider::~CLmkSearchedLmListProvider() |
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114 { |
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115 delete iReadParams; |
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116 delete iSearch; |
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117 if (iSearchAO) |
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118 { |
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119 iSearchAO->StopOperation(); |
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120 } |
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121 delete iSearchAO; |
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122 } |
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123 |
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124 // --------------------------------------------------------- |
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125 // CLmkSearchedLmListProvider::ItemAtL |
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126 // --------------------------------------------------------- |
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127 // |
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128 CLmkUiItemBase* CLmkSearchedLmListProvider::ItemAtL(TInt aIndex) |
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129 { |
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130 __ASSERT_DEBUG( iIconMgr, Panic( KLmkPanicNullMember ) ); |
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131 //landmark with updated icon, if associated with one cat. |
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132 CPosLandmark* landmark = GetLandmarkLC(aIndex); |
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133 TPtrC mbmFile; |
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134 TInt iconFileIndex = -1; |
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135 TInt iconListIndex = -1; |
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136 TInt iconMasktIndex = -1; |
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137 TInt result = landmark->GetIcon(mbmFile, iconFileIndex, iconMasktIndex); |
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138 if (result == KErrNone) |
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139 { |
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140 TRAPD(err, iconListIndex = |
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141 iIconMgr->GetIconL( mbmFile, iconFileIndex ) ); |
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142 if (err == KErrNotFound) // icon file not found -> fallback to default |
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143 { |
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144 iconListIndex = iIconMgr->GetDefaultIconL( |
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145 MLmkSelectorIconMgr::ELandmarkDefaultIcon); |
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146 } |
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147 } |
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148 else |
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149 { |
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150 iconListIndex = iIconMgr->GetDefaultIconL( |
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151 MLmkSelectorIconMgr::ELandmarkDefaultIcon); |
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152 } |
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153 |
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154 CLmkLandmarkUiItem* uiItem = CLmkLandmarkUiItem::NewL(landmark, |
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155 iconListIndex); |
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156 CleanupStack::Pop(); // landmark, ownership transferred |
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157 return uiItem; |
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158 } |
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159 |
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160 // --------------------------------------------------------- |
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161 // CLmkSearchedLmListProvider::PrepareListL |
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162 // --------------------------------------------------------- |
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163 // |
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164 void CLmkSearchedLmListProvider::PrepareListL() |
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165 { |
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166 DEBUG( CLmkSearchedLmListProvider::PrepareListL start ); |
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167 iCount = 0; |
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168 |
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169 iDb.SetPartialReadParametersL(*iReadParams); |
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170 |
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171 TPosLmSortPref sortOrder(CPosLandmark::ELandmarkName, |
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172 TPosLmSortPref::EAscending); |
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173 CPosLmOperation* operation = iSearch->StartLandmarkSearchL(iCriteria, |
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174 sortOrder); |
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175 CleanupStack::PushL(operation); |
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176 if (iSearchAO) |
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177 { |
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178 iSearchAO->StopOperation(); |
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179 delete iSearchAO; // cancel possibly pending operation |
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180 iSearchAO = NULL; |
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181 } |
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182 iSearchAO = CLmkAOOperation::NewL(operation, *this, |
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183 MLmkAOOperationObserver::ESearch, iOperationNotInUse); |
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184 iOperationNotInUse = ETrue; |
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185 CleanupStack::Pop(operation); // ownership transferred |
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186 iSearchAO->StartOperation(); |
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187 DEBUG( CLmkSearchedLmListProvider::PrepareListL End ); |
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188 } |
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189 |
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190 // ----------------------------------------------------------------------------- |
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191 // CLmkSearchedLmListProvider::PrepareListL |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 TBool CLmkSearchedLmListProvider::PrepareListL(const TDesC& aSearchPattern, |
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195 TBool aSearchOnlyInPreviousMatches) |
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196 { |
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197 iCount = 0; |
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198 iRequestFromFindBox = ETrue; |
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199 iOperationNotInUse = ETrue; |
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200 iIsSecondSearchStarted = EFalse; |
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201 DEBUG1( CLmkSearchedLmListProvider::PrepareListL 2 start with aSearchPattern = %d,aSearchPattern.Length()); |
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202 |
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203 if (aSearchPattern.Compare(KDefaultTextCriteria) == 0 |
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204 || aSearchPattern.Length() <= 0) |
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205 { |
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206 PrepareListL(); |
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207 iRequestFromFindBox = EFalse; |
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208 return ETrue; |
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209 } |
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210 |
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211 // We need to cancel if we are searching/reading landmarks. |
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212 if (iSearchAO) |
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213 { |
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214 iSearchAO->StopOperation(); |
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215 delete iSearchAO; // cancel possibly pending operation |
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216 iSearchAO = NULL; |
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217 } |
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218 |
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219 // Create the composite criterion |
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220 CPosLmCompositeCriteria* compCrit = CPosLmCompositeCriteria::NewLC( |
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221 CPosLmCompositeCriteria::ECompositionOR); |
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222 |
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223 // Create the text search criterion and add it to composite |
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224 CPosLmTextCriteria* textCrit1 = CPosLmTextCriteria::NewLC(); |
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225 |
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226 const TInt KExtraChars = 3; // 2 chars wildcards |
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227 HBufC* filterBuf = HBufC::NewLC(aSearchPattern.Length() + KExtraChars); |
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228 TPtr filter = filterBuf->Des(); |
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229 filter.Copy(KSpaceTextCriteria); |
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230 filter.Append(aSearchPattern); |
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231 |
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232 textCrit1->SetTextL(filter); |
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233 textCrit1->SetAttributesToSearch(CPosLandmark::ELandmarkName); |
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234 |
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235 User::LeaveIfError(compCrit->AddArgument(textCrit1)); |
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236 // Ownership of the text criterion has been passed to the composite |
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237 CleanupStack::PopAndDestroy(filterBuf); |
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238 CleanupStack::Pop(textCrit1); |
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239 |
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240 // Create the text search criterion and add it to composite |
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241 CPosLmTextCriteria* textCrit2 = CPosLmTextCriteria::NewLC(); |
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242 textCrit2->SetTextL(aSearchPattern); |
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243 textCrit2->SetAttributesToSearch(CPosLandmark::ELandmarkName); |
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244 |
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245 User::LeaveIfError(compCrit->AddArgument(textCrit2)); |
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246 // Ownership of the text criterion has been passed to the composite |
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247 CleanupStack::Pop(textCrit2); |
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248 |
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249 iDb.SetPartialReadParametersL(*iReadParams); |
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250 |
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251 TPosLmSortPref sortOrder(CPosLandmark::ELandmarkName, |
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252 TPosLmSortPref::EAscending); |
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253 // Start the search |
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254 // Create search operation |
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255 CPosLmOperation* operation = iSearch->StartLandmarkSearchL(*compCrit, |
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256 sortOrder, aSearchOnlyInPreviousMatches); |
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257 |
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258 CleanupStack::PopAndDestroy(compCrit); |
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259 CleanupStack::PushL(operation); |
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260 |
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261 iSearchAO = CLmkAOOperation::NewL(operation, *this, |
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262 MLmkAOOperationObserver::ESearch, ETrue); |
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263 CleanupStack::Pop(operation); // ownership transferred |
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264 |
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265 iSearchAO->StartOperation(); |
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266 DEBUG( CLmkSearchedLmListProvider::PrepareListL 2 End ); |
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267 return ETrue; |
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268 } |
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269 |
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270 // --------------------------------------------------------- |
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271 // CLmkSearchedLmListProvider::StartSecondSearchL |
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272 // --------------------------------------------------------- |
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273 // |
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274 void CLmkSearchedLmListProvider::StartSecondSearchL() |
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275 { |
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276 DEBUG( CLmkSearchedLmListProvider::StartSecondSearchL start ); |
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277 |
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278 iIsSecondSearchStarted = ETrue; |
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279 |
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280 // Create the composite criterion |
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281 CPosLmCompositeCriteria* compCrit = CPosLmCompositeCriteria::NewLC( |
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282 CPosLmCompositeCriteria::ECompositionAND); |
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283 |
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284 // Create the category search criterion and add it to composite |
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285 CPosLmCategoryCriteria* catCrit = CPosLmCategoryCriteria::NewLC(); |
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286 catCrit->SetCategoryItemId( |
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287 (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, |
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308 sortOrder); |
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309 |
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310 CleanupStack::PopAndDestroy(compCrit); |
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311 CleanupStack::PushL(operation); |
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312 |
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313 iSearchAO = CLmkAOOperation::NewL(operation, *this, |
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314 MLmkAOOperationObserver::ESearch, ETrue); |
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315 CleanupStack::Pop(operation); // ownership transferred |
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316 |
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317 iSearchAO->StartOperation(); |
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318 DEBUG( CLmkSearchedLmListProvider::StartSecondSearchL End ); |
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319 } |
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320 |
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321 // --------------------------------------------------------- |
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322 // CLmkSearchedLmListProvider::HandleOperationL |
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323 // --------------------------------------------------------- |
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324 // |
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325 void CLmkSearchedLmListProvider::HandleOperationL(TOperationTypes aType, |
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326 TReal32 aProgress, TInt aStatus) |
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327 { |
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328 DEBUG1( CLmkSearchedLmListProvider::HandleOperationL start aType=%d,aType); |
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329 if (aType == MLmkAOOperationObserver::EDeleteLandmarks) |
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330 { |
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331 return; |
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332 } |
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333 if (aType == MLmkAOOperationObserver::ERemoveCategory) |
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334 { |
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335 return; |
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336 } |
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337 if (aType == MLmkAOOperationObserver::ESearch) |
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338 { |
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339 ReadItemsToArrayL(); |
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340 if (aStatus == KErrNone) |
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341 { |
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342 if (iSearchAO) |
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343 { |
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344 iSearchAO->StopOperation(); |
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345 delete iSearchAO; |
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346 iSearchAO = NULL; |
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347 } |
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348 |
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349 // reset operation values |
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350 iOperationCmd = ELmkCmdStopOperation;//temp default value |
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351 iCount = 0; |
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352 |
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353 DEBUG2( CLmkSearchedLmListProvider::HandleOperationL iRequestFromFindBox=%d iIsSecondSearchStarted=%d |
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354 ,iRequestFromFindBox,iIsSecondSearchStarted); |
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355 |
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356 if (iRequestFromFindBox && iIsSecondSearchStarted == EFalse) |
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357 { |
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358 DEBUG( CLmkSearchedLmListProvider::HandleOperationL start secondsearch ); |
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359 StartSecondSearchL(); |
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360 return; |
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361 } |
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362 |
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363 DEBUG( CLmkSearchedLmListProvider::HandleOperationL refresh list ); |
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364 |
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365 iIsSecondSearchStarted = EFalse; |
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366 |
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367 if (iOperationNotInUse == EFalse) |
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368 { |
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369 NotifyObservers(ELmkEventItemAdditionComplete); |
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370 } |
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371 else |
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372 { |
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373 if (iRequestFromFindBox) |
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374 { |
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375 NotifyObservers(ELmkEventFindListReady); |
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376 } |
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377 else |
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378 { |
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379 NotifyObservers(ELmkEventListReady); |
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380 } |
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381 } |
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382 |
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383 iOperationNotInUse = ETrue; |
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384 |
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385 if (iCatDelete) |
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386 { |
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387 NotifyObservers(ELmkEventCategoryDeleted); |
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388 iCatDelete = EFalse; |
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389 } |
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390 else if (iCatUpdate) |
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391 { |
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392 NotifyObservers(ELmkEventCategoryUpdated); |
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393 iCatUpdate = EFalse; |
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394 } |
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395 |
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396 if (iItemsDeleted < iItemsToDelete) |
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397 { |
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398 PrepareForDeleteL(); |
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399 } |
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400 else |
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401 { |
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402 if (iWaitNote) |
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403 { |
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404 iWaitNote->ProcessFinishedL(); |
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405 iWaitNote = NULL; |
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406 } |
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407 } |
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408 return; |
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409 } // end of if ( aStatus == KErrNone ) |
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410 |
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411 if (iCount == ELmkStepOne || iCount == ELmkStepTwo) |
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412 { |
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413 if (iOperationNotInUse == EFalse) |
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414 { |
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415 NotifyObservers(ELmkEventItemAdditionComplete); |
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416 } |
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417 else |
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418 { |
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419 if (iRequestFromFindBox) |
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420 { |
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421 NotifyObservers(ELmkEventFindListReady); |
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422 } |
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423 else |
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424 { |
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425 NotifyObservers(ELmkEventListReady); |
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426 } |
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427 } |
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428 iRequestFromFindBox = EFalse; |
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429 iOperationNotInUse = EFalse; |
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430 } |
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431 } |
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432 else |
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433 { // This is not this classes' operation |
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434 CLmkLmItemListProvider::HandleOperationL(aType, aProgress, aStatus); |
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435 } |
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436 } |
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437 |
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438 // --------------------------------------------------------- |
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439 // CLmkSearchedLmListProvider::HandleDatabaseEvent |
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440 // --------------------------------------------------------- |
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441 // |
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442 void CLmkSearchedLmListProvider::HandleDatabaseEvent(TPosLmEvent& aEvent) |
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443 { |
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444 iCatDelete = EFalse; |
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445 |
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446 TBool needRefresh = ETrue; |
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447 |
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448 // check any items are selected to do operations like iconchanges or add to category. |
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449 if (iSelectedItemsCount > 0 && iOperationCmd != ELmkCmdAddToCat |
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450 && iOperationCmd != ERemoveFromCat) |
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451 { |
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452 iCount++; |
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453 if (iSelectedItemsCount == iCount) |
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454 { |
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455 iSelectedItemsCount = 0; |
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456 iCount = 0; |
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457 } |
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458 needRefresh = EFalse; |
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459 } |
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460 |
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461 switch (aEvent.iEventType) |
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462 { |
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463 case EPosLmEventLandmarkUpdated: // lm icon changes, lm renaming |
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464 case EPosLmEventLandmarkUnknownChanges: // lm multiple deletion, lm add to category |
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465 case EPosLmEventUnknownChanges: |
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466 case EPosLmEventLandmarkCreated: |
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467 case EPosLmEventCategoryDeleted: |
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468 case EPosLmEventCategoryUpdated: |
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469 { |
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470 iOperationNotInUse = EFalse; |
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471 if (aEvent.iEventType == EPosLmEventCategoryDeleted) |
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472 { |
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473 iCatDelete = ETrue; |
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474 } |
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475 if (aEvent.iEventType == EPosLmEventCategoryUpdated) |
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476 { |
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477 iCatUpdate = ETrue; |
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478 } |
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479 |
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480 if (needRefresh) |
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481 { |
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482 if (iSearchAO) |
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483 { |
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484 iSearchAO->StopOperation(); |
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485 delete iSearchAO; |
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486 iSearchAO = NULL; |
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487 } |
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488 iOperationNotInUse = EFalse; |
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489 TInt err = KErrNone; |
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490 do |
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491 { |
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492 TRAP( err, PrepareListL() ); |
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493 } |
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494 while (err == KErrLocked); |
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495 if (err) |
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496 { |
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497 HandleError(err); |
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498 } |
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499 } |
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500 else |
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501 { |
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502 NotifyObservers(ELmkEventListReady); |
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503 } |
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504 break; |
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505 } |
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506 case EPosLmEventLandmarkDeleted: |
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507 { |
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508 TInt index = iIdArray.Find(aEvent.iLandmarkItemId); |
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509 if (index != KErrNotFound && index < iIdArray.Count()) |
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510 { |
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511 iIdArray.Remove(index); |
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512 NotifyObservers(ELmkEventListReady); |
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513 } |
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514 break; |
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515 } |
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516 default: |
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517 { // Not interesting event for this provider |
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518 break; |
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519 } |
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520 } |
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521 // Remember to call base class observer method too |
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522 CLmkLmItemListProvider::HandleDatabaseEvent(aEvent); |
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523 } |
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524 |
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525 // --------------------------------------------------------- |
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526 // CLmkSearchedLmListProvider::ReadItemsToArrayL |
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527 // --------------------------------------------------------- |
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528 // |
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529 void CLmkSearchedLmListProvider::ReadItemsToArrayL() |
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530 { |
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531 iIdArray.Reset(); |
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532 CPosLmItemIterator* iterator = iSearch->MatchIteratorL(); |
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533 CleanupStack::PushL(iterator); |
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534 iCount = iterator->NumOfItemsL(); |
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535 if (iCount > 0) |
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536 { // can only be called if there are some items |
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537 iterator->GetItemIdsL(iIdArray, 0, iCount); // array is first reseted |
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538 } |
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539 CleanupStack::PopAndDestroy(iterator); |
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540 } |
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541 |
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542 // --------------------------------------------------------- |
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543 // CLmkSearchedLmListProvider::RemoveLandmarksL |
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544 // --------------------------------------------------------- |
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545 // |
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546 void CLmkSearchedLmListProvider::RemoveLandmarksL( |
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547 const RArray<TPosLmItemId>& aSelectedItems) |
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548 { |
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549 iItemsToDelete = aSelectedItems.Count(); |
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550 iSelectedForDelete.Reset(); |
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551 for (TInt i = 0; i < iItemsToDelete; i++) |
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552 iSelectedForDelete.Append(aSelectedItems[i]); |
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553 iItemsDeleted = 0; |
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554 iIsRemoveLandmarks = ETrue; |
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555 |
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556 if (iWaitNote) |
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557 { |
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558 delete iWaitNote; |
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559 iWaitNote = NULL; |
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560 } |
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561 PrepareForDeleteL(); |
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562 } |
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563 |
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564 // --------------------------------------------------------- |
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565 // CLmkSearchedLmListProvider::PrepareForDelete |
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566 // --------------------------------------------------------- |
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567 // |
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568 void CLmkSearchedLmListProvider::PrepareForDeleteL() |
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569 { |
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570 RArray<TPosLmItemId> lmItemsChunk; |
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571 TInt count = iItemsDeleted; |
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572 if (iItemsToDelete > (iItemsDeleted + 10)) |
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573 { |
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574 iItemsDeleted = iItemsDeleted + 10; |
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575 } |
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576 else |
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577 { |
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578 iItemsDeleted = iItemsDeleted + (iItemsToDelete - iItemsDeleted); |
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579 } |
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580 |
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581 for (TInt i = count; i < iItemsDeleted; i++) |
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582 { |
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583 lmItemsChunk.Append(iSelectedForDelete[i]); |
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584 } |
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585 |
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586 CPosLmOperation* operation = NULL; |
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587 if (iType == MLmkAOOperationObserver::EDeleteLandmarks) |
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588 { |
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589 operation = iDb.RemoveLandmarksL(lmItemsChunk); |
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590 } |
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591 if (iType == MLmkAOOperationObserver::ERemoveCategory) |
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592 { |
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593 CPosLmCategoryManager* mgr = CPosLmCategoryManager::NewL(iDb); |
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594 CleanupStack::PushL(mgr); |
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595 operation = mgr->RemoveCategoryFromLandmarksL(iCategoryId, |
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596 lmItemsChunk); |
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597 CleanupStack::PopAndDestroy();//mgr |
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598 } |
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599 User::LeaveIfNull(operation); |
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600 |
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601 CleanupStack::PushL(operation); |
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602 iSearchAO = CLmkAOOperation::NewL(operation, *this, iType, EFalse); |
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603 CleanupStack::Pop(operation); // ownership transferred |
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604 |
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605 if (iSearchAO) |
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606 { |
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607 iSearchAO->StartOperation(); |
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608 |
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609 if (!iWaitNote) |
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610 { |
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611 iWaitNote = new (ELeave) CAknWaitDialog(NULL, ETrue); |
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612 if (!iWaitNote->ExecuteLD(R_LMK_PROCESSING_WAIT_NOTE)) |
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613 { |
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614 iSearchAO->StopOperation(); |
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615 delete iSearchAO; |
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616 iSearchAO = NULL; |
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617 iWaitNote = NULL; |
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618 } |
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619 } |
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620 } |
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621 |
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622 lmItemsChunk.Close(); |
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623 } |
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624 |
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625 // End of File |
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