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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 // maximum number of table name entries per query |
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38 const TInt KMaxTableNameCount = 2; |
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39 |
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40 // ============================ MEMBER FUNCTIONS ============================== |
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41 |
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42 // ---------------------------------------------------------------------------- |
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43 // Two-phased constructor. |
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44 // ---------------------------------------------------------------------------- |
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45 // |
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46 CMPXDbAlbum* CMPXDbAlbum::NewL( |
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47 CMPXDbManager& aDbManager, |
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48 TMPXGeneralCategory aCategory, |
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49 MMPXDbAlbumObserver& aObserver) |
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50 { |
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51 MPX_FUNC("CMPXDbAlbum::NewL"); |
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52 |
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53 CMPXDbAlbum* self = CMPXDbAlbum::NewLC(aDbManager, aCategory, aObserver); |
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54 CleanupStack::Pop(self); |
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55 return self; |
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56 } |
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57 |
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58 // ---------------------------------------------------------------------------- |
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59 // Two-phased constructor. |
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60 // ---------------------------------------------------------------------------- |
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61 // |
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62 CMPXDbAlbum* CMPXDbAlbum::NewLC( |
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63 CMPXDbManager& aDbManager, |
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64 TMPXGeneralCategory aCategory, |
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65 MMPXDbAlbumObserver& aObserver) |
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66 { |
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67 MPX_FUNC("CMPXDbAlbum::NewLC"); |
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68 |
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69 CMPXDbAlbum* self = new (ELeave) CMPXDbAlbum(aDbManager, aCategory, aObserver); |
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70 CleanupStack::PushL(self); |
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71 self->ConstructL(); |
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72 return self; |
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73 } |
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74 |
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75 // ---------------------------------------------------------------------------- |
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76 // Destructor |
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77 // ---------------------------------------------------------------------------- |
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78 // |
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79 CMPXDbAlbum::~CMPXDbAlbum() |
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80 { |
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81 MPX_FUNC("CMPXDbAlbum::~CMPXDbAlbum"); |
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82 } |
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83 |
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84 // ---------------------------------------------------------------------------- |
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85 // Constructor |
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86 // ---------------------------------------------------------------------------- |
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87 // |
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88 CMPXDbAlbum::CMPXDbAlbum( |
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89 CMPXDbManager& aDbManager, |
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90 TMPXGeneralCategory aCategory, |
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91 MMPXDbAlbumObserver& aObserver) : |
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92 CMPXDbCategory(aDbManager, aCategory), |
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93 iObserver(aObserver) |
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94 { |
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95 MPX_FUNC("CMPXDbAlbum::CMPXDbAlbum"); |
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96 } |
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97 |
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98 // ---------------------------------------------------------------------------- |
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99 // Second phase constructor. |
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100 // ---------------------------------------------------------------------------- |
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101 // |
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102 void CMPXDbAlbum::ConstructL() |
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103 { |
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104 MPX_FUNC("CMPXDbAlbum::ConstructL"); |
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105 |
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106 BaseConstructL(); |
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107 } |
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108 |
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109 // ---------------------------------------------------------------------------- |
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110 // CMPXDbAlbum::AddItemL |
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111 // ---------------------------------------------------------------------------- |
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112 // |
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113 TUint32 CMPXDbAlbum::AddItemL( |
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114 const TDesC& aName, |
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115 TUint32 aArtist, |
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116 const TDesC& aArt, |
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117 TInt aDriveId, |
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118 TBool& aNewRecord, |
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119 TBool aCaseSensitive) |
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120 { |
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121 MPX_FUNC("CMPXDbAlbum::AddItemL"); |
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122 |
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123 // try to find the item first |
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124 TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory, |
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125 aName, aCaseSensitive)); |
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126 aNewRecord = !CategoryItemExistsL(aDriveId, rowId); |
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127 |
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128 if (aNewRecord) |
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129 { |
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130 // insert new |
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131 HBufC* query = PreProcessStringLC(KQueryAlbumInsert); |
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132 HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName); |
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133 HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt); |
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134 |
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135 iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, aArtist, art); |
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136 |
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137 CleanupStack::PopAndDestroy(art); |
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138 CleanupStack::PopAndDestroy(name); |
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139 CleanupStack::PopAndDestroy(query); |
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140 } |
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141 else |
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142 { |
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143 // retrieve the existing record |
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144 HBufC* query = NULL; |
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145 query = PreProcessStringLC(KQueryCategoryItem); |
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146 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, rowId)); |
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147 CleanupStack::PopAndDestroy(query); |
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148 |
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149 CleanupClosePushL(recordset); |
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150 |
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151 if (recordset.Next() != KSqlAtRow) |
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152 { |
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153 User::Leave(KErrNotFound); |
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154 } |
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155 |
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156 // Artist |
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157 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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158 |
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159 // the current one is Unknown and the new one is Not Unknown. |
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160 if ( IsUnknownArtistL( artistId ) && !IsUnknownArtistL( aArtist ) ) |
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161 { |
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162 _LIT( KFormatArtistId, "Artist=%d" ); |
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163 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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164 setStr->Des().Format( KFormatArtistId, aArtist ); |
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165 |
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166 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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167 CleanupStack::PopAndDestroy(setStr); |
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168 } |
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169 |
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170 // Album Art |
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171 TPtrC art(KNullDesC); |
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172 art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EAlbumArt)); |
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173 |
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174 // the current one is Unknown and the new one is Not Unknown |
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175 if ( art == KNullDesC && aArt != KNullDesC ) |
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176 { |
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177 HBufC* artReplaceSingleQuote = |
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178 MPXDbCommonUtil::ProcessSingleQuotesLC( aArt ); |
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179 _LIT( KFormatArt, "Art=\'%S\'" ); |
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180 HBufC* setStr = HBufC::NewLC(256); |
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181 setStr->Des().Format( KFormatArt, artReplaceSingleQuote ); |
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182 |
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183 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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184 CleanupStack::PopAndDestroy(setStr); |
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185 CleanupStack::PopAndDestroy(artReplaceSingleQuote); |
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186 } |
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187 |
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188 CleanupStack::PopAndDestroy(&recordset); |
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189 |
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190 // increment the number of songs for the category |
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191 query = PreProcessStringLC(KQueryCategoryIncrementSongCount); |
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192 iDbManager.ExecuteQueryL(aDriveId, *query, rowId); |
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193 CleanupStack::PopAndDestroy(query); |
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194 } |
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195 |
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196 return rowId; |
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197 } |
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198 |
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199 // ---------------------------------------------------------------------------- |
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200 // CMPXDbAlbum::DecrementSongsForCategoryL |
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201 // ---------------------------------------------------------------------------- |
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202 // |
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203 void CMPXDbAlbum::DecrementSongsForCategoryL( |
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204 const TUint32 aId, |
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205 TInt aDriveId, |
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206 CMPXMessageArray* aItemChangedMessages, |
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207 TBool& aItemExist, |
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208 const TUint32 aArtist) |
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209 { |
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210 MPX_FUNC("CMPXDbAlbum::DecrementSongsForCategoryL"); |
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211 |
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212 // if just one song uses this category. Use <= just in case |
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213 if (GetSongsCountL(aDriveId, aId) <= 1) |
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214 { |
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215 aItemExist = EFalse; |
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216 // delete the category |
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217 DeleteCategoryL(aId, aDriveId); |
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218 |
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219 if (aItemChangedMessages) |
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220 { |
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221 // add the item changed message |
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222 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted, |
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223 iCategory, KDBPluginUid); |
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224 } |
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225 } |
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226 else |
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227 { |
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228 aItemExist = ETrue; |
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229 |
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230 // retrieve the existing record |
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231 HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
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232 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, aId)); |
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233 CleanupStack::PopAndDestroy(query); |
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234 |
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235 CleanupClosePushL(recordset); |
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236 |
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237 if (recordset.Next() != KSqlAtRow) |
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238 { |
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239 User::Leave(KErrNotFound); |
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240 } |
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241 |
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242 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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243 |
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244 CleanupStack::PopAndDestroy(&recordset); |
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245 |
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246 // the current artist is equal to deleted song's artist |
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247 if ( artistId == aArtist ) |
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248 { |
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249 TUint32 newArtistId = ArtistForAlbumL(aId); |
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250 |
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251 _LIT( KFormatArtistId, "Artist=%d" ); |
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252 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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253 setStr->Des().Format(KFormatArtistId, newArtistId); |
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254 |
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255 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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256 CleanupStack::PopAndDestroy(setStr); |
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257 |
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258 if (aItemChangedMessages) |
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259 { |
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260 // add the item changed message |
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261 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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262 iCategory, KDBPluginUid); |
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263 } |
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264 } |
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265 |
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266 // decrement the number of songs for the category |
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267 query = PreProcessStringLC(KQueryCategoryDecrementSongCount); |
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268 iDbManager.ExecuteQueryL(aDriveId, *query, aId); |
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269 CleanupStack::PopAndDestroy(query); |
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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 // CMPXDbAlbum::GetAllCategoryItemsL |
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275 // ---------------------------------------------------------------------------- |
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276 // |
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277 void CMPXDbAlbum::GetAllCategoryItemsL( |
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278 const TArray<TMPXAttribute>& aAttrs, |
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279 CMPXMediaArray& aMediaArray) |
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280 { |
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281 MPX_FUNC("CMPXDbAlbum::GetAllCategoryItemsL"); |
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282 |
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283 HBufC* query = PreProcessStringLC(KQueryAlbumAll); |
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284 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query)); |
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285 CleanupStack::PopAndDestroy(query); |
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286 |
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287 CleanupClosePushL(recordset); |
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288 ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
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289 CleanupStack::PopAndDestroy(&recordset); |
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290 } |
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291 |
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292 // ---------------------------------------------------------------------------- |
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293 // CMPXDbAlbum::UpdateItemL |
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294 // ---------------------------------------------------------------------------- |
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295 // |
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296 void CMPXDbAlbum::UpdateItemL( |
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297 TUint32 aId, |
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298 const CMPXMedia& aMedia, |
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299 TInt aDriveId, |
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300 CMPXMessageArray* aItemChangedMessages) |
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301 { |
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302 MPX_FUNC("CMPXDbAlbum::UpdateItemL"); |
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303 |
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304 CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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305 CleanupStack::PushL(fields); |
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306 CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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307 CleanupStack::PushL(values); |
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308 |
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309 // process the media parameter and construct the fields and values array |
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310 GenerateAlbumFieldsValuesL(aMedia, *fields, *values); |
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311 |
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312 // construct the SET string |
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313 HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign); |
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314 |
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315 if (setStr->Length()) |
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316 { |
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317 // execute the query |
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318 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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319 TInt oldSongId = (aMedia.ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId2; |
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320 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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321 EMPXAlbum, KDBPluginUid, oldSongId ); |
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322 } |
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323 |
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324 CleanupStack::PopAndDestroy(setStr); |
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325 CleanupStack::PopAndDestroy(values); |
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326 CleanupStack::PopAndDestroy(fields); |
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327 } |
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328 |
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329 // ---------------------------------------------------------------------------- |
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330 // CMPXDbAlbum::GetAlbumsCountForArtistL |
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331 // ---------------------------------------------------------------------------- |
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332 // |
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333 TInt CMPXDbAlbum::GetAlbumsCountForArtistL(TUint32 aArtistId) |
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334 { |
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335 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aArtistId)); |
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336 |
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337 TInt prevId(0); |
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338 TInt count(0); |
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339 TInt err(KErrNone); |
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340 |
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341 while ((err = recordset.Next()) == KSqlAtRow) |
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342 { |
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343 TUint32 rowId(recordset.ColumnInt64(EAlbumUniqueId)); |
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344 if (prevId == rowId) |
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345 { |
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346 continue; |
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347 } |
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348 |
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349 count++; |
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350 prevId = rowId; |
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351 } |
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352 |
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353 if (err != KSqlAtEnd) |
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354 { |
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355 User::Leave(err); |
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356 } |
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357 |
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358 return count; |
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359 |
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360 } |
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361 |
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362 // ---------------------------------------------------------------------------- |
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363 // CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL |
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364 // ---------------------------------------------------------------------------- |
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365 // |
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366 TInt CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL(TUint32 aArtistId, TUint32 aAlbumId) |
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367 { |
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368 MPX_FUNC("CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL"); |
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369 |
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370 return ExecuteSumQueryL(KQuerySongsInArtistAlbum, aArtistId, aAlbumId); |
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371 } |
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372 |
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373 // ---------------------------------------------------------------------------- |
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374 // CMPXDbAlbum::UpdateMediaL |
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375 // ---------------------------------------------------------------------------- |
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376 // |
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377 void CMPXDbAlbum::UpdateMediaL( |
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378 RSqlStatement& aRecord, |
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379 const TArray<TMPXAttribute>& aAttrs, |
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380 CMPXMedia& aMedia) |
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381 { |
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382 MPX_FUNC("CMPXDbAlbum::UpdateMediaL"); |
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383 |
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384 TInt count(aAttrs.Count()); |
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385 for (TInt i = 0; i < count; ++i) |
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386 { |
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387 TInt contentId(aAttrs[i].ContentId()); |
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388 TUint attributeId(aAttrs[i].AttributeId()); |
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389 |
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390 if (contentId == KMPXMediaIdGeneral) |
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391 { |
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392 if (attributeId & EMPXMediaGeneralId) |
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393 { |
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394 MPX_DEBUG1(" EMPXMediaGeneralId"); |
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395 |
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396 aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId, |
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397 aRecord.ColumnInt64(EAlbumUniqueId)); |
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398 } |
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399 if (attributeId & EMPXMediaGeneralTitle) |
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400 { |
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401 MPX_DEBUG1(" EMPXMediaGeneralTitle"); |
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402 |
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403 TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) ); |
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404 aMedia.SetTextValueL(KMPXMediaGeneralTitle, |
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405 MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName)); |
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406 MPX_DEBUG2(" Album[%S]", &album ); |
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407 } |
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408 if (attributeId & EMPXMediaGeneralCount) |
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409 { |
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410 MPX_DEBUG1(" EMPXMediaGeneralCount"); |
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411 |
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412 TInt songCount = GetSongsCountL(KDbManagerAllDrives, |
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413 aRecord.ColumnInt64(EAlbumUniqueId)); |
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414 aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount ); |
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415 MPX_DEBUG2(" SongCount[%d]", songCount ); |
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416 } |
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417 } // end if contentId == KMPXMediaIdGeneral |
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418 else if ( contentId == KMPXMediaIdMusic ) |
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419 { |
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420 if (attributeId & EMPXMediaMusicArtist) |
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421 { |
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422 MPX_DEBUG1(" EMPXMediaMusicArtist"); |
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423 |
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424 TPtrC artistName(KNullDesC); |
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425 |
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426 // if album is unknown, ignore arist name |
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427 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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428 { |
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429 artistName.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArtistName)); |
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430 } |
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431 |
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432 aMedia.SetTextValueL(KMPXMediaMusicArtist, artistName); |
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433 MPX_DEBUG2(" Artist[%S]", &artistName); |
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434 } |
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435 if (attributeId & EMPXMediaMusicAlbumArtFileName) |
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436 { |
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437 MPX_DEBUG1(" EMPXMediaMusicAlbumArtFileName"); |
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438 |
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439 TPtrC art(KNullDesC); |
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440 |
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441 // if album is unknown, ignore album art name |
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442 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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443 { |
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444 art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArt)); |
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445 } |
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446 |
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447 aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art); |
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448 MPX_DEBUG2(" Art[%S]", &art); |
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449 } |
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450 } |
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451 } // end for |
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452 |
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453 aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem); |
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454 aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory); |
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455 } |
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456 |
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457 // ---------------------------------------------------------------------------- |
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458 // CMPXDbAlbum::GenerateAlbumFieldsValuesL |
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459 // ---------------------------------------------------------------------------- |
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460 // |
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461 void CMPXDbAlbum::GenerateAlbumFieldsValuesL(const CMPXMedia& aMedia, CDesCArray& aFields, CDesCArray& aValues) |
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462 { |
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463 if (aMedia.IsSupported(KMPXMediaMusicAlbumArtFileName)) |
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464 { |
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465 const TDesC& albumArtFilename = aMedia.ValueText(KMPXMediaMusicAlbumArtFileName).Left(KMCMaxTextLen); |
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466 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArt, albumArtFilename); |
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467 } |
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468 |
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469 if (aMedia.IsSupported(KMPXMediaMusicArtist)) |
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470 { |
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471 const TDesC& artistName = aMedia.ValueText(KMPXMediaMusicArtist).Left(KMCMaxTextLen); |
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472 TUint32 artistId = MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), EMPXArtist, |
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473 artistName, ETrue); |
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474 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArtist, artistId); |
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475 } |
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476 } |
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477 |
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478 // ---------------------------------------------------------------------------- |
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479 // CMPXDbAlbum::IsUnknownArtistL |
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480 // ---------------------------------------------------------------------------- |
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481 // |
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482 TBool CMPXDbAlbum::IsUnknownArtistL(TUint32 aId) |
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483 { |
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484 return iObserver.HandleIsUnknownArtistL(aId); |
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485 } |
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486 |
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487 // ---------------------------------------------------------------------------- |
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488 // CMPXDbAlbum::ArtistForAlbumL |
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489 // ---------------------------------------------------------------------------- |
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490 // |
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491 TUint32 CMPXDbAlbum::ArtistForAlbumL(const TUint32 aId) |
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492 { |
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493 return iObserver.HandleArtistForAlbumL(aId); |
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494 } |
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495 |
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496 // ---------------------------------------------------------------------------- |
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497 // CMPXDbAlbum::CreateTableL |
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498 // ---------------------------------------------------------------------------- |
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499 // |
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500 void CMPXDbAlbum::CreateTableL( |
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501 RSqlDatabase& aDatabase, |
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502 TBool /* aCorruptTable */) |
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503 { |
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504 MPX_FUNC("CMPXDbCategory::CreateTableL"); |
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505 |
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506 // create the table |
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507 HBufC* query = PreProcessStringLC(KAlbumCreateTable); |
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508 User::LeaveIfError(aDatabase.Exec(*query)); |
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509 CleanupStack::PopAndDestroy(query); |
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510 |
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511 // do not create an index on the Name field |
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512 // as it only slows down the insert/update queries overall |
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513 } |
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514 |
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515 // ---------------------------------------------------------------------------- |
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516 // CMPXDbAlbum::CheckTableL |
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517 // ---------------------------------------------------------------------------- |
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518 // |
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519 TBool CMPXDbAlbum::CheckTableL( |
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520 RSqlDatabase& aDatabase) |
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521 { |
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522 MPX_FUNC("CMPXDbCategory::CheckTableL"); |
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523 |
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524 HBufC* query = PreProcessStringLC(KAlbumCheckTable); |
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525 TBool check(DoCheckTable(aDatabase, *query)); |
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526 CleanupStack::PopAndDestroy(query); |
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527 |
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528 return check; |
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529 } |
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530 |
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531 // End of File |