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1 /* |
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2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Responsible for interation with the category tables: |
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15 * Artist, Album, Genre and Composer |
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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 FILES |
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21 #include <sqldb.h> |
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22 |
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23 #include <mpxlog.h> |
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24 |
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25 #include "mpxdbcommonutil.h" |
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26 #include "mpxdbcommondef.h" |
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27 #include "mpxdbmanager.h" |
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28 |
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29 #include "mpxcollectiondbdef.h" |
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30 #include "mpxmediamusicdefs.h" |
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31 #include "mpxdbpluginqueries.h" |
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32 #include "mpxdbutil.h" |
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33 #include "mpxdbalbum.h" |
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34 |
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35 // CONSTANTS |
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36 |
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37 // ============================ MEMBER FUNCTIONS ============================== |
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38 |
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39 // ---------------------------------------------------------------------------- |
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40 // Two-phased constructor. |
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41 // ---------------------------------------------------------------------------- |
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42 // |
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43 CMPXDbAlbum* CMPXDbAlbum::NewL( |
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44 CMPXDbManager& aDbManager, |
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45 TMPXGeneralCategory aCategory, |
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46 MMPXDbAlbumObserver& aObserver) |
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47 { |
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48 MPX_FUNC("CMPXDbAlbum::NewL"); |
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49 |
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50 CMPXDbAlbum* self = CMPXDbAlbum::NewLC(aDbManager, aCategory, aObserver); |
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51 CleanupStack::Pop(self); |
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52 return self; |
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53 } |
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54 |
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55 // ---------------------------------------------------------------------------- |
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56 // Two-phased constructor. |
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57 // ---------------------------------------------------------------------------- |
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58 // |
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59 CMPXDbAlbum* CMPXDbAlbum::NewLC( |
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60 CMPXDbManager& aDbManager, |
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61 TMPXGeneralCategory aCategory, |
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62 MMPXDbAlbumObserver& aObserver) |
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63 { |
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64 MPX_FUNC("CMPXDbAlbum::NewLC"); |
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65 |
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66 CMPXDbAlbum* self = new (ELeave) CMPXDbAlbum(aDbManager, aCategory, aObserver); |
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67 CleanupStack::PushL(self); |
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68 self->ConstructL(); |
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69 return self; |
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70 } |
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71 |
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72 // ---------------------------------------------------------------------------- |
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73 // Destructor |
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74 // ---------------------------------------------------------------------------- |
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75 // |
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76 CMPXDbAlbum::~CMPXDbAlbum() |
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77 { |
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78 MPX_FUNC("CMPXDbAlbum::~CMPXDbAlbum"); |
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79 } |
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80 |
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81 // ---------------------------------------------------------------------------- |
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82 // Constructor |
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83 // ---------------------------------------------------------------------------- |
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84 // |
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85 CMPXDbAlbum::CMPXDbAlbum( |
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86 CMPXDbManager& aDbManager, |
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87 TMPXGeneralCategory aCategory, |
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88 MMPXDbAlbumObserver& aObserver) : |
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89 CMPXDbCategory(aDbManager, aCategory), |
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90 iObserver(aObserver) |
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91 { |
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92 MPX_FUNC("CMPXDbAlbum::CMPXDbAlbum"); |
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93 } |
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94 |
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95 // ---------------------------------------------------------------------------- |
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96 // Second phase constructor. |
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97 // ---------------------------------------------------------------------------- |
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98 // |
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99 void CMPXDbAlbum::ConstructL() |
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100 { |
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101 MPX_FUNC("CMPXDbAlbum::ConstructL"); |
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102 |
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103 BaseConstructL(); |
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104 } |
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105 |
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106 // ---------------------------------------------------------------------------- |
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107 // CMPXDbAlbum::AddItemL |
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108 // ---------------------------------------------------------------------------- |
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109 // |
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110 TUint32 CMPXDbAlbum::AddItemL( |
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111 const TDesC& aName, |
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112 TUint32 aArtist, |
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113 const TDesC& aArt, |
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114 TInt aDriveId, |
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115 TBool& aNewRecord, |
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116 TBool aCaseSensitive) |
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117 { |
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118 MPX_FUNC("CMPXDbAlbum::AddItemL"); |
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119 |
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120 // try to find the item first |
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121 TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory, |
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122 aName, aCaseSensitive)); |
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123 aNewRecord = !CategoryItemExistsL(aDriveId, rowId); |
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124 |
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125 if (aNewRecord) |
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126 { |
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127 // insert new |
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128 HBufC* query = PreProcessStringLC(KQueryAlbumInsert); |
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129 HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName); |
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130 HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt); |
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131 |
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132 iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, aArtist, art); |
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133 |
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134 CleanupStack::PopAndDestroy(art); |
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135 CleanupStack::PopAndDestroy(name); |
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136 CleanupStack::PopAndDestroy(query); |
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137 } |
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138 else |
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139 { |
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140 // retrieve the existing record |
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141 HBufC* query = NULL; |
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142 query = PreProcessStringLC(KQueryCategoryItem); |
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143 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, rowId)); |
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144 CleanupStack::PopAndDestroy(query); |
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145 |
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146 CleanupClosePushL(recordset); |
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147 |
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148 if (recordset.Next() != KSqlAtRow) |
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149 { |
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150 User::Leave(KErrNotFound); |
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151 } |
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152 |
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153 // Artist |
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154 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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155 |
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156 // the current one is Unknown and the new one is Not Unknown. |
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157 if ( IsUnknownArtistL( artistId ) && !IsUnknownArtistL( aArtist ) ) |
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158 { |
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159 _LIT( KFormatArtistId, "Artist=%d" ); |
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160 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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161 setStr->Des().Format( KFormatArtistId, aArtist ); |
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162 |
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163 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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164 CleanupStack::PopAndDestroy(setStr); |
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165 } |
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166 |
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167 // Album Art |
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168 TPtrC art(KNullDesC); |
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169 art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EAlbumArt)); |
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170 |
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171 // the current one is Unknown and the new one is Not Unknown |
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172 if ( art == KNullDesC && aArt != KNullDesC ) |
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173 { |
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174 HBufC* artReplaceSingleQuote = |
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175 MPXDbCommonUtil::ProcessSingleQuotesLC( aArt ); |
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176 _LIT( KFormatArt, "Art=\'%S\'" ); |
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177 HBufC* setStr = HBufC::NewLC(256); |
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178 setStr->Des().Format( KFormatArt, artReplaceSingleQuote ); |
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179 |
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180 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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181 CleanupStack::PopAndDestroy(setStr); |
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182 CleanupStack::PopAndDestroy(artReplaceSingleQuote); |
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183 } |
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184 |
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185 CleanupStack::PopAndDestroy(&recordset); |
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186 |
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187 // increment the number of songs for the category |
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188 query = PreProcessStringLC(KQueryCategoryIncrementSongCount); |
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189 iDbManager.ExecuteQueryL(aDriveId, *query, rowId); |
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190 CleanupStack::PopAndDestroy(query); |
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191 } |
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192 |
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193 return rowId; |
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194 } |
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195 |
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196 // ---------------------------------------------------------------------------- |
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197 // CMPXDbAlbum::DecrementSongsForCategoryL |
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198 // ---------------------------------------------------------------------------- |
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199 // |
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200 void CMPXDbAlbum::DecrementSongsForCategoryL( |
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201 const TUint32 aId, |
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202 TInt aDriveId, |
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203 CMPXMessageArray* aItemChangedMessages, |
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204 TBool& aItemExist, |
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205 const TUint32 aArtist) |
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206 { |
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207 MPX_FUNC("CMPXDbAlbum::DecrementSongsForCategoryL"); |
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208 |
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209 // if just one song uses this category. Use <= just in case |
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210 if (GetSongsCountL(aDriveId, aId) <= 1) |
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211 { |
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212 aItemExist = EFalse; |
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213 // delete the category |
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214 DeleteCategoryL(aId, aDriveId); |
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215 |
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216 if (aItemChangedMessages) |
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217 { |
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218 // add the item changed message |
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219 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted, |
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220 iCategory, KDBPluginUid); |
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221 } |
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222 } |
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223 else |
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224 { |
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225 aItemExist = ETrue; |
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226 |
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227 // retrieve the existing record |
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228 HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
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229 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, aId)); |
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230 CleanupStack::PopAndDestroy(query); |
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231 |
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232 CleanupClosePushL(recordset); |
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233 |
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234 if (recordset.Next() != KSqlAtRow) |
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235 { |
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236 User::Leave(KErrNotFound); |
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237 } |
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238 |
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239 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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240 |
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241 CleanupStack::PopAndDestroy(&recordset); |
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242 |
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243 // the current artist is equal to deleted song's artist |
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244 if ( artistId == aArtist ) |
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245 { |
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246 TUint32 newArtistId = ArtistForAlbumL(aId); |
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247 |
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248 _LIT( KFormatArtistId, "Artist=%d" ); |
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249 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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250 setStr->Des().Format(KFormatArtistId, newArtistId); |
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251 |
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252 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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253 CleanupStack::PopAndDestroy(setStr); |
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254 |
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255 if (aItemChangedMessages) |
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256 { |
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257 // add the item changed message |
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258 MPXDbCommonUtil::AddItemAlbumChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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259 EMPXAlbum, KDBPluginUid, ETrue, 0 ); |
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260 } |
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261 } |
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262 |
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263 // decrement the number of songs for the category |
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264 query = PreProcessStringLC(KQueryCategoryDecrementSongCount); |
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265 iDbManager.ExecuteQueryL(aDriveId, *query, aId); |
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266 CleanupStack::PopAndDestroy(query); |
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267 } |
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268 } |
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269 |
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270 // ---------------------------------------------------------------------------- |
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271 // CMPXDbAlbum::GetAllCategoryItemsL |
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272 // ---------------------------------------------------------------------------- |
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273 // |
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274 void CMPXDbAlbum::GetAllCategoryItemsL( |
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275 const TArray<TMPXAttribute>& aAttrs, |
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276 CMPXMediaArray& aMediaArray) |
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277 { |
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278 MPX_FUNC("CMPXDbAlbum::GetAllCategoryItemsL"); |
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279 |
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280 HBufC* query = PreProcessStringLC(KQueryAlbumAll); |
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281 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query)); |
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282 CleanupStack::PopAndDestroy(query); |
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283 |
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284 CleanupClosePushL(recordset); |
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285 ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
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286 CleanupStack::PopAndDestroy(&recordset); |
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287 } |
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288 |
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289 // ---------------------------------------------------------------------------- |
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290 // CMPXDbAlbum::UpdateItemL |
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291 // ---------------------------------------------------------------------------- |
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292 // |
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293 void CMPXDbAlbum::UpdateItemL( |
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294 TUint32 aId, |
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295 const CMPXMedia& aMedia, |
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296 TInt aDriveId, |
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297 CMPXMessageArray* aItemChangedMessages) |
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298 { |
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299 MPX_FUNC("CMPXDbAlbum::UpdateItemL"); |
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300 |
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301 CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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302 CleanupStack::PushL(fields); |
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303 CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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304 CleanupStack::PushL(values); |
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305 |
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306 // process the media parameter and construct the fields and values array |
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307 GenerateAlbumFieldsValuesL(aMedia, *fields, *values); |
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308 |
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309 // construct the SET string |
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310 HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign); |
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311 |
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312 if (setStr->Length()) |
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313 { |
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314 // execute the query |
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315 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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316 MPXDbCommonUtil::AddItemAlbumChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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317 EMPXAlbum, KDBPluginUid, ETrue, 0 ); |
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318 } |
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319 |
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320 CleanupStack::PopAndDestroy(setStr); |
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321 CleanupStack::PopAndDestroy(values); |
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322 CleanupStack::PopAndDestroy(fields); |
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323 } |
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324 |
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325 // ---------------------------------------------------------------------------- |
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326 // CMPXDbAlbum::GetAlbumsCountForArtistL |
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327 // ---------------------------------------------------------------------------- |
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328 // |
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329 TInt CMPXDbAlbum::GetAlbumsCountForArtistL(TUint32 aArtistId) |
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330 { |
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331 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aArtistId)); |
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332 |
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333 TInt prevId(0); |
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334 TInt count(0); |
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335 TInt err(KErrNone); |
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336 |
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337 while ((err = recordset.Next()) == KSqlAtRow) |
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338 { |
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339 TUint32 rowId(recordset.ColumnInt64(EAlbumUniqueId)); |
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340 if (prevId == rowId) |
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341 { |
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342 continue; |
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343 } |
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344 |
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345 count++; |
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346 prevId = rowId; |
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347 } |
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348 |
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349 if (err != KSqlAtEnd) |
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350 { |
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351 User::Leave(err); |
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352 } |
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353 |
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354 return count; |
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355 |
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356 } |
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357 |
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358 // ---------------------------------------------------------------------------- |
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359 // CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL |
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360 // ---------------------------------------------------------------------------- |
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361 // |
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362 TInt CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL(TUint32 aArtistId, TUint32 aAlbumId) |
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363 { |
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364 MPX_FUNC("CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL"); |
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365 |
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366 return ExecuteSumQueryL(KQuerySongsInArtistAlbum, aArtistId, aAlbumId); |
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367 } |
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368 |
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369 // ---------------------------------------------------------------------------- |
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370 // CMPXDbAlbum::UpdateMediaL |
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371 // ---------------------------------------------------------------------------- |
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372 // |
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373 void CMPXDbAlbum::UpdateMediaL( |
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374 RSqlStatement& aRecord, |
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375 const TArray<TMPXAttribute>& aAttrs, |
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376 CMPXMedia& aMedia) |
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377 { |
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378 MPX_FUNC("CMPXDbAlbum::UpdateMediaL"); |
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379 |
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380 TInt count(aAttrs.Count()); |
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381 for (TInt i = 0; i < count; ++i) |
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382 { |
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383 TInt contentId(aAttrs[i].ContentId()); |
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384 TUint attributeId(aAttrs[i].AttributeId()); |
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385 |
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386 if (contentId == KMPXMediaIdGeneral) |
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387 { |
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388 if (attributeId & EMPXMediaGeneralId) |
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389 { |
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390 MPX_DEBUG1(" EMPXMediaGeneralId"); |
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391 |
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392 aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId, |
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393 aRecord.ColumnInt64(EAlbumUniqueId)); |
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394 } |
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395 if (attributeId & EMPXMediaGeneralTitle) |
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396 { |
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397 MPX_DEBUG1(" EMPXMediaGeneralTitle"); |
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398 |
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399 TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) ); |
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400 aMedia.SetTextValueL(KMPXMediaGeneralTitle, |
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401 MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName)); |
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402 MPX_DEBUG2(" Album[%S]", &album ); |
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403 } |
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404 if (attributeId & EMPXMediaGeneralCount) |
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405 { |
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406 MPX_DEBUG1(" EMPXMediaGeneralCount"); |
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407 |
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408 TInt songCount = GetSongsCountL(KDbManagerAllDrives, |
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409 aRecord.ColumnInt64(EAlbumUniqueId)); |
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410 aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount ); |
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411 MPX_DEBUG2(" SongCount[%d]", songCount ); |
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412 } |
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413 } // end if contentId == KMPXMediaIdGeneral |
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414 else if ( contentId == KMPXMediaIdMusic ) |
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415 { |
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416 if (attributeId & EMPXMediaMusicArtist) |
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417 { |
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418 MPX_DEBUG1(" EMPXMediaMusicArtist"); |
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419 |
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420 TPtrC artistName(KNullDesC); |
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421 |
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422 // if album is unknown, ignore arist name |
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423 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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424 { |
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425 artistName.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArtistName)); |
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426 } |
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427 |
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428 aMedia.SetTextValueL(KMPXMediaMusicArtist, artistName); |
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429 MPX_DEBUG2(" Artist[%S]", &artistName); |
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430 } |
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431 |
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432 if (attributeId & EMPXMediaMusicAlbum) |
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433 { |
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434 MPX_DEBUG1(" EMPXMediaMusicAlbum"); |
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435 |
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436 TPtrC albumName(KNullDesC); |
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437 TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) ); |
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438 |
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439 |
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440 // if album is unknown |
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441 if ( album != KNullDesC) |
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442 { |
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443 albumName.Set(album); |
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444 } |
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445 |
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446 aMedia.SetTextValueL(KMPXMediaMusicAlbum, albumName); |
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447 MPX_DEBUG2(" Album[%S]", &albumName); |
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448 } |
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449 if (attributeId & EMPXMediaMusicAlbumArtFileName) |
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450 { |
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451 MPX_DEBUG1(" EMPXMediaMusicAlbumArtFileName"); |
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452 |
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453 TPtrC art(KNullDesC); |
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454 |
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455 // if album is unknown, ignore album art name |
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456 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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457 { |
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458 art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArt)); |
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459 } |
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460 |
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461 aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art); |
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462 MPX_DEBUG2(" Art[%S]", &art); |
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463 } |
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464 } |
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465 } // end for |
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466 |
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467 aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem); |
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468 aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory); |
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469 } |
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470 |
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471 // ---------------------------------------------------------------------------- |
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472 // CMPXDbAlbum::GenerateAlbumFieldsValuesL |
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473 // ---------------------------------------------------------------------------- |
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474 // |
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475 void CMPXDbAlbum::GenerateAlbumFieldsValuesL(const CMPXMedia& aMedia, CDesCArray& aFields, CDesCArray& aValues) |
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476 { |
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477 if (aMedia.IsSupported(KMPXMediaMusicAlbumArtFileName)) |
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478 { |
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479 const TDesC& albumArtFilename = aMedia.ValueText(KMPXMediaMusicAlbumArtFileName).Left(KMCMaxTextLen); |
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480 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArt, albumArtFilename); |
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481 } |
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482 |
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483 if (aMedia.IsSupported(KMPXMediaMusicArtist)) |
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484 { |
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485 const TDesC& artistName = aMedia.ValueText(KMPXMediaMusicArtist).Left(KMCMaxTextLen); |
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486 TUint32 artistId = MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), EMPXArtist, |
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487 artistName, ETrue); |
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488 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArtist, artistId); |
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489 } |
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490 } |
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491 |
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492 // ---------------------------------------------------------------------------- |
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493 // CMPXDbAlbum::IsUnknownArtistL |
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494 // ---------------------------------------------------------------------------- |
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495 // |
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496 TBool CMPXDbAlbum::IsUnknownArtistL(TUint32 aId) |
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497 { |
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498 return iObserver.HandleIsUnknownArtistL(aId); |
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499 } |
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500 |
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501 // ---------------------------------------------------------------------------- |
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502 // CMPXDbAlbum::ArtistForAlbumL |
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503 // ---------------------------------------------------------------------------- |
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504 // |
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505 TUint32 CMPXDbAlbum::ArtistForAlbumL(const TUint32 aId) |
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506 { |
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507 return iObserver.HandleArtistForAlbumL(aId); |
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508 } |
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509 |
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510 // ---------------------------------------------------------------------------- |
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511 // CMPXDbAlbum::CreateTableL |
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512 // ---------------------------------------------------------------------------- |
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513 // |
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514 void CMPXDbAlbum::CreateTableL( |
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515 RSqlDatabase& aDatabase, |
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516 TBool /* aCorruptTable */) |
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517 { |
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518 MPX_FUNC("CMPXDbCategory::CreateTableL"); |
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519 |
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520 // create the table |
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521 HBufC* query = PreProcessStringLC(KAlbumCreateTable); |
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522 User::LeaveIfError(aDatabase.Exec(*query)); |
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523 CleanupStack::PopAndDestroy(query); |
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524 |
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525 // do not create an index on the Name field |
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526 // as it only slows down the insert/update queries overall |
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527 } |
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528 |
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529 // ---------------------------------------------------------------------------- |
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530 // CMPXDbAlbum::CheckTableL |
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531 // ---------------------------------------------------------------------------- |
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532 // |
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533 TBool CMPXDbAlbum::CheckTableL( |
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534 RSqlDatabase& aDatabase) |
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535 { |
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536 MPX_FUNC("CMPXDbCategory::CheckTableL"); |
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537 |
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538 HBufC* query = PreProcessStringLC(KAlbumCheckTable); |
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539 TBool check(DoCheckTable(aDatabase, *query)); |
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540 CleanupStack::PopAndDestroy(query); |
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541 |
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542 return check; |
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543 } |
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544 |
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545 // End of File |