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1 /* |
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2 * Copyright (c) 2002-2005 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: Provides static exported functions for modifying a display data |
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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 |
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20 #include <EPos_LandmarksErrors.h> |
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21 #include <EPos_CPosLmDisplayData.h> |
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22 #include <EPos_CPosLmDisplayItem.h> |
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23 #include "EPos_PosLmDisplayDataHandler.h" |
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24 |
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25 // ================= MEMBER FUNCTIONS ======================= |
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26 |
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27 // ----------------------------------------------------------------------------- |
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28 // ----------------------------------------------------------------------------- |
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29 // |
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30 EXPORT_C void PosLmDisplayDataHandler::InsertItemL( |
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31 CPosLmDisplayData& aDisplayData, |
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32 CPosLmDisplayItem* aDisplayItem ) |
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33 { |
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34 RPointerArray<CPosLmDisplayItem>& displayItems = aDisplayData.DisplayItems(); |
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35 InsertItemL( aDisplayData, aDisplayItem, aDisplayData.Count() ); // append to the end |
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36 } |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // ----------------------------------------------------------------------------- |
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40 // |
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41 EXPORT_C void PosLmDisplayDataHandler::InsertItemInOrderL( |
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42 CPosLmDisplayData& aDisplayData, |
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43 CPosLmDisplayItem* aDisplayItem, |
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44 TPosLmSortPref aSortPref) |
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45 { |
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46 __ASSERT_DEBUG( |
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47 aDisplayItem->DisplayItemType() == CPosLmDisplayItem::ELandmarkItem, |
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48 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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49 |
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50 __ASSERT_DEBUG( |
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51 aSortPref.LandmarkAttributeToSortBy() == CPosLandmark::ELandmarkName, |
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52 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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53 |
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54 if (aSortPref.SortOrder() == TPosLmSortPref::EAscending) |
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55 { |
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56 TLinearOrder<CPosLmDisplayItem> |
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57 order(PosLmDisplayDataHandler::CompareLandmarkNameAsc); |
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58 InsertItemInOrderL(aDisplayData, aDisplayItem, order); |
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59 } |
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60 else |
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61 { |
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62 TLinearOrder<CPosLmDisplayItem> |
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63 order(PosLmDisplayDataHandler::CompareLandmarkNameDesc); |
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64 InsertItemInOrderL(aDisplayData, aDisplayItem, order); |
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65 } |
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66 } |
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67 |
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68 // ----------------------------------------------------------------------------- |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 EXPORT_C void PosLmDisplayDataHandler::InsertItemInOrderL( |
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72 CPosLmDisplayData& aDisplayData, |
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73 CPosLmDisplayItem* aDisplayItem, |
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74 CPosLmCategoryManager::TCategorySortPref aSortPref) |
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75 { |
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76 __ASSERT_DEBUG( |
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77 aDisplayItem->DisplayItemType() == CPosLmDisplayItem::ECategoryItem, |
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78 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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79 |
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80 if (aSortPref == CPosLmCategoryManager::ECategorySortOrderNone) |
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81 { |
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82 InsertItemL(aDisplayData, aDisplayItem); |
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83 } |
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84 else if (aSortPref == |
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85 CPosLmCategoryManager::ECategorySortOrderNameAscending) |
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86 { |
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87 TLinearOrder<CPosLmDisplayItem> |
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88 order(PosLmDisplayDataHandler::CompareCategoryNameAsc); |
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89 InsertItemInOrderL(aDisplayData, aDisplayItem, order); |
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90 } |
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91 else |
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92 { |
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93 TLinearOrder<CPosLmDisplayItem> |
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94 order(PosLmDisplayDataHandler::CompareCategoryNameDesc); |
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95 InsertItemInOrderL(aDisplayData, aDisplayItem, order); |
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96 } |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 EXPORT_C void PosLmDisplayDataHandler::InsertInDistanceOrderL( |
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103 CPosLmDisplayData& aDisplayData, |
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104 CPosLmDisplayItem* aDisplayItem) |
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105 { |
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106 __ASSERT_DEBUG( |
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107 aDisplayItem->DisplayItemType() == CPosLmDisplayItem::ELandmarkItem, |
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108 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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109 |
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110 TLinearOrder<CPosLmDisplayItem> |
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111 order(PosLmDisplayDataHandler::CompareLandmarkDistance); |
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112 InsertItemInOrderL(aDisplayData, aDisplayItem, order); |
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113 } |
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114 |
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115 // ----------------------------------------------------------------------------- |
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116 // ----------------------------------------------------------------------------- |
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117 // |
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118 EXPORT_C CPosLmDisplayItem* PosLmDisplayDataHandler::RemoveItem( |
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119 CPosLmDisplayData& /*aDisplayData*/, |
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120 TInt /*aItemIndex*/) |
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121 { |
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122 return NULL; |
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123 } |
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124 |
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125 // ----------------------------------------------------------------------------- |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 EXPORT_C CPosLmDisplayItem* PosLmDisplayDataHandler::CopyItemLC( |
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129 CPosLmDisplayData& aDisplayData, |
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130 TInt aItemIndex) |
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131 { |
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132 RPointerArray<CPosLmDisplayItem>& displayItems = |
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133 aDisplayData.DisplayItems(); |
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134 |
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135 __ASSERT_DEBUG(aItemIndex >= 0 && aItemIndex < displayItems.Count(), |
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136 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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137 |
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138 CPosLmDisplayItem* displayItem = displayItems[aItemIndex]; |
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139 TUint dbIndex = displayItem->DatabaseIndex(); |
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140 |
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141 CPosLmDisplayItem* copyItem; |
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142 if (displayItem->DisplayItemType() == CPosLmDisplayItem::ELandmarkItem) |
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143 { |
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144 CPosLandmark* lm = CPosLandmark::NewLC(displayItem->Landmark()); |
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145 copyItem = CPosLmDisplayItem::NewL(lm, dbIndex); |
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146 CleanupStack::Pop(lm); |
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147 |
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148 TReal32 distance; |
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149 if (displayItem->GetDistance(distance) == KErrNone) |
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150 { |
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151 copyItem->SetDistance(distance); |
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152 } |
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153 } |
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154 else |
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155 { |
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156 CPosLandmarkCategory* category = |
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157 CPosLandmarkCategory::NewLC(displayItem->Category()); |
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158 copyItem = CPosLmDisplayItem::NewL(category, dbIndex); |
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159 CleanupStack::Pop(category); |
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160 } |
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161 |
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162 CleanupStack::PushL(copyItem); |
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163 return copyItem; |
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164 } |
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165 |
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166 // ----------------------------------------------------------------------------- |
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167 // ----------------------------------------------------------------------------- |
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168 // |
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169 TInt PosLmDisplayDataHandler::CompareLandmarkNameAsc( |
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170 const CPosLmDisplayItem& aFirst, |
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171 const CPosLmDisplayItem& aSecond) |
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172 { |
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173 TPtrC firstLandmarkName; |
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174 TPtrC secondLandmarkName; |
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175 |
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176 TInt status = aFirst.Landmark().GetLandmarkName(firstLandmarkName); |
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177 __ASSERT_DEBUG(status == KErrNone, |
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178 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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179 |
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180 status = aSecond.Landmark().GetLandmarkName(secondLandmarkName); |
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181 __ASSERT_DEBUG(status == KErrNone, |
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182 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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183 |
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184 return firstLandmarkName.CompareC(secondLandmarkName); |
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185 } |
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186 |
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187 // ----------------------------------------------------------------------------- |
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188 // ----------------------------------------------------------------------------- |
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189 // |
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190 TInt PosLmDisplayDataHandler::CompareLandmarkNameDesc( |
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191 const CPosLmDisplayItem& aFirst, |
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192 const CPosLmDisplayItem& aSecond) |
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193 { |
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194 // Switch sign for ascending comparison. |
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195 return -1 * CompareLandmarkNameAsc(aFirst, aSecond); |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // ----------------------------------------------------------------------------- |
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200 // |
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201 TInt PosLmDisplayDataHandler::CompareLandmarkDistance( |
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202 const CPosLmDisplayItem& aFirst, |
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203 const CPosLmDisplayItem& aSecond) |
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204 { |
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205 TReal32 firstDistance; |
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206 TReal32 secondDistance; |
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207 |
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208 TInt status = aFirst.GetDistance(firstDistance); |
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209 __ASSERT_DEBUG(status == KErrNone, |
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210 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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211 |
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212 status = aSecond.GetDistance(secondDistance); |
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213 __ASSERT_DEBUG(status == KErrNone, |
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214 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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215 |
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216 if (firstDistance < secondDistance) |
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217 { |
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218 return -1; |
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219 } |
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220 else if (firstDistance > secondDistance) |
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221 { |
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222 return 1; |
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223 } |
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224 else |
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225 { |
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226 return 0; |
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227 } |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // ----------------------------------------------------------------------------- |
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232 // |
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233 TInt PosLmDisplayDataHandler::CompareCategoryNameAsc( |
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234 const CPosLmDisplayItem& aFirst, |
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235 const CPosLmDisplayItem& aSecond) |
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236 { |
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237 TPtrC firstCategoryName; |
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238 TPtrC secondCategoryName; |
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239 |
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240 TInt status = aFirst.Category().GetCategoryName(firstCategoryName); |
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241 __ASSERT_DEBUG(status == KErrNone, |
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242 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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243 |
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244 status = aSecond.Category().GetCategoryName(secondCategoryName); |
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245 __ASSERT_DEBUG(status == KErrNone, |
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246 Panic(KPosLandmarksClientPanic, EPosLmInvalidArgument)); |
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247 |
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248 return firstCategoryName.CompareC(secondCategoryName); |
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249 } |
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250 |
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251 // ----------------------------------------------------------------------------- |
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252 // ----------------------------------------------------------------------------- |
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253 // |
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254 TInt PosLmDisplayDataHandler::CompareCategoryNameDesc( |
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255 const CPosLmDisplayItem& aFirst, |
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256 const CPosLmDisplayItem& aSecond) |
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257 { |
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258 // Switch sign for ascending comparison. |
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259 return -1 * CompareCategoryNameAsc(aFirst, aSecond); |
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260 } |
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261 |
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262 // ----------------------------------------------------------------------------- |
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263 // ----------------------------------------------------------------------------- |
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264 // |
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265 EXPORT_C TInt PosLmDisplayDataHandler::FindItemIndex( |
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266 CPosLmDisplayData& aDisplayData, |
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267 CPosLmDisplayItem* aDisplayItem) |
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268 { |
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269 return aDisplayData.DisplayItems().Find(aDisplayItem); |
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270 } |
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271 |
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272 // ----------------------------------------------------------------------------- |
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273 // ----------------------------------------------------------------------------- |
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274 // |
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275 EXPORT_C void PosLmDisplayDataHandler::InsertItemL( |
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276 CPosLmDisplayData& aDisplayData, |
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277 CPosLmDisplayItem* aDisplayItem, |
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278 TUint aIndex ) |
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279 { |
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280 RPointerArray<CPosLmDisplayItem>& displayItems = |
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281 aDisplayData.DisplayItems(); |
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282 RPointerArray<CPosLmDisplayItem>& newDisplayItems = |
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283 aDisplayData.NewDisplayItems(); |
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284 |
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285 if ( aIndex > displayItems.Count() ) |
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286 aIndex = displayItems.Count(); |
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287 |
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288 displayItems.InsertL( aDisplayItem, aIndex ); |
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289 |
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290 if ( aIndex > newDisplayItems.Count() ) |
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291 aIndex = newDisplayItems.Count(); |
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292 |
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293 TInt appendStatus = newDisplayItems.Insert( aDisplayItem, aIndex ); |
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294 if ( appendStatus != KErrNone ) |
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295 { |
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296 displayItems.Remove( aIndex ); |
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297 User::Leave( appendStatus ); |
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298 } |
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299 } |
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300 |
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301 // ----------------------------------------------------------------------------- |
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302 // ----------------------------------------------------------------------------- |
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303 // |
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304 void PosLmDisplayDataHandler::InsertItemInOrderL( |
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305 CPosLmDisplayData& aDisplayData, |
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306 CPosLmDisplayItem* aDisplayItem, |
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307 TLinearOrder<CPosLmDisplayItem>& aOrder) |
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308 { |
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309 RPointerArray<CPosLmDisplayItem>& displayItems = |
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310 aDisplayData.DisplayItems(); |
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311 RPointerArray<CPosLmDisplayItem>& newDisplayItems = |
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312 aDisplayData.NewDisplayItems(); |
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313 |
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314 displayItems.InsertInOrderAllowRepeatsL(aDisplayItem, aOrder); |
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315 |
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316 TInt appendStatus = |
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317 newDisplayItems.InsertInOrderAllowRepeats(aDisplayItem, aOrder); |
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318 if (appendStatus != KErrNone) |
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319 { |
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320 displayItems.Remove(displayItems.Find(aDisplayItem)); |
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321 User::Leave(appendStatus); |
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322 } |
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323 } |
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324 |