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 // ============================ MEMBER FUNCTIONS ============================== |
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36 |
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37 // ---------------------------------------------------------------------------- |
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38 // Two-phased constructor. |
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39 // ---------------------------------------------------------------------------- |
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40 // |
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41 CMPXDbAlbum* CMPXDbAlbum::NewL( |
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42 CMPXDbManager& aDbManager, |
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43 TMPXGeneralCategory aCategory, |
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44 MMPXDbAlbumObserver& aObserver) |
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45 { |
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46 MPX_FUNC("CMPXDbAlbum::NewL"); |
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47 |
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48 CMPXDbAlbum* self = CMPXDbAlbum::NewLC(aDbManager, aCategory, aObserver); |
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49 CleanupStack::Pop(self); |
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50 return self; |
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51 } |
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52 |
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53 // ---------------------------------------------------------------------------- |
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54 // Two-phased constructor. |
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55 // ---------------------------------------------------------------------------- |
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56 // |
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57 CMPXDbAlbum* CMPXDbAlbum::NewLC( |
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58 CMPXDbManager& aDbManager, |
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59 TMPXGeneralCategory aCategory, |
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60 MMPXDbAlbumObserver& aObserver) |
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61 { |
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62 MPX_FUNC("CMPXDbAlbum::NewLC"); |
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63 |
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64 CMPXDbAlbum* self = new (ELeave) CMPXDbAlbum(aDbManager, aCategory, aObserver); |
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65 CleanupStack::PushL(self); |
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66 self->ConstructL(); |
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67 return self; |
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68 } |
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69 |
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70 // ---------------------------------------------------------------------------- |
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71 // Destructor |
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72 // ---------------------------------------------------------------------------- |
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73 // |
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74 CMPXDbAlbum::~CMPXDbAlbum() |
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75 { |
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76 MPX_FUNC("CMPXDbAlbum::~CMPXDbAlbum"); |
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77 } |
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78 |
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79 // ---------------------------------------------------------------------------- |
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80 // Constructor |
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81 // ---------------------------------------------------------------------------- |
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82 // |
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83 CMPXDbAlbum::CMPXDbAlbum( |
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84 CMPXDbManager& aDbManager, |
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85 TMPXGeneralCategory aCategory, |
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86 MMPXDbAlbumObserver& aObserver) : |
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87 CMPXDbCategory(aDbManager, aCategory), |
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88 iObserver(aObserver) |
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89 { |
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90 MPX_FUNC("CMPXDbAlbum::CMPXDbAlbum"); |
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91 } |
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92 |
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93 // ---------------------------------------------------------------------------- |
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94 // Second phase constructor. |
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95 // ---------------------------------------------------------------------------- |
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96 // |
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97 void CMPXDbAlbum::ConstructL() |
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98 { |
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99 MPX_FUNC("CMPXDbAlbum::ConstructL"); |
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100 |
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101 BaseConstructL(); |
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102 } |
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103 |
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104 // ---------------------------------------------------------------------------- |
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105 // CMPXDbAlbum::AddItemL |
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106 // ---------------------------------------------------------------------------- |
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107 // |
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108 TUint32 CMPXDbAlbum::AddItemL( |
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109 const TDesC& aName, |
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110 TUint32 aArtist, |
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111 const TDesC& aArt, |
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112 TInt aDriveId, |
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113 TBool& aNewRecord, |
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114 TBool aCaseSensitive) |
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115 { |
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116 MPX_FUNC("CMPXDbAlbum::AddItemL"); |
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117 |
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118 // try to find the item first |
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119 TUint32 rowId(MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), iCategory, |
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120 aName, aCaseSensitive)); |
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121 aNewRecord = !CategoryItemExistsL(aDriveId, rowId); |
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122 |
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123 if (aNewRecord) |
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124 { |
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125 // insert new |
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126 HBufC* query = PreProcessStringLC(KQueryAlbumInsert); |
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127 HBufC* name = MPXDbCommonUtil::ProcessSingleQuotesLC(aName); |
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128 HBufC* art = MPXDbCommonUtil::ProcessSingleQuotesLC(aArt); |
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129 |
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130 iDbManager.ExecuteQueryL(aDriveId, *query, rowId, name, 1, aArtist, art); |
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131 |
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132 CleanupStack::PopAndDestroy(art); |
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133 CleanupStack::PopAndDestroy(name); |
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134 CleanupStack::PopAndDestroy(query); |
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135 } |
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136 else |
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137 { |
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138 // retrieve the existing record |
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139 HBufC* query = NULL; |
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140 query = PreProcessStringLC(KQueryCategoryItem); |
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141 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, rowId)); |
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142 CleanupStack::PopAndDestroy(query); |
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143 |
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144 CleanupClosePushL(recordset); |
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145 |
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146 if (recordset.Next() != KSqlAtRow) |
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147 { |
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148 User::Leave(KErrNotFound); |
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149 } |
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150 |
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151 // Artist |
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152 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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153 |
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154 // the current one is Unknown and the new one is Not Unknown. |
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155 if ( IsUnknownArtistL( artistId ) && !IsUnknownArtistL( aArtist ) ) |
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156 { |
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157 _LIT( KFormatArtistId, "Artist=%d" ); |
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158 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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159 setStr->Des().Format( KFormatArtistId, aArtist ); |
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160 |
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161 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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162 CleanupStack::PopAndDestroy(setStr); |
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163 } |
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164 |
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165 // Album Art |
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166 TPtrC art(KNullDesC); |
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167 art.Set(MPXDbCommonUtil::GetColumnTextL(recordset, EAlbumArt)); |
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168 |
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169 // the current one is Unknown and the new one is Not Unknown |
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170 if ( art == KNullDesC && aArt != KNullDesC ) |
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171 { |
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172 _LIT( KFormatArt, "Art=\'%S\'" ); |
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173 HBufC* setStr = HBufC::NewLC(256); |
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174 setStr->Des().Format( KFormatArt, &aArt ); |
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175 |
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176 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, rowId); |
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177 CleanupStack::PopAndDestroy(setStr); |
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178 } |
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179 |
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180 CleanupStack::PopAndDestroy(&recordset); |
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181 |
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182 // increment the number of songs for the category |
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183 query = PreProcessStringLC(KQueryCategoryIncrementSongCount); |
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184 iDbManager.ExecuteQueryL(aDriveId, *query, rowId); |
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185 CleanupStack::PopAndDestroy(query); |
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186 } |
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187 |
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188 return rowId; |
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189 } |
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190 |
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191 // ---------------------------------------------------------------------------- |
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192 // CMPXDbAlbum::DecrementSongsForCategoryL |
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193 // ---------------------------------------------------------------------------- |
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194 // |
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195 void CMPXDbAlbum::DecrementSongsForCategoryL( |
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196 const TUint32 aId, |
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197 TInt aDriveId, |
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198 CMPXMessageArray* aItemChangedMessages, |
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199 TBool& aItemExist, |
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200 const TUint32 aArtist) |
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201 { |
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202 MPX_FUNC("CMPXDbAlbum::DecrementSongsForCategoryL"); |
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203 |
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204 // if just one song uses this category. Use <= just in case |
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205 if (GetSongsCountL(aDriveId, aId) <= 1) |
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206 { |
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207 aItemExist = EFalse; |
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208 // delete the category |
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209 DeleteCategoryL(aId, aDriveId); |
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210 |
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211 if (aItemChangedMessages) |
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212 { |
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213 // add the item changed message |
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214 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemDeleted, |
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215 iCategory, KDBPluginUid); |
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216 } |
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217 } |
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218 else |
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219 { |
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220 aItemExist = ETrue; |
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221 |
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222 // retrieve the existing record |
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223 HBufC* query = PreProcessStringLC(KQueryCategoryItem); |
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224 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query, aId)); |
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225 CleanupStack::PopAndDestroy(query); |
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226 |
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227 CleanupClosePushL(recordset); |
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228 |
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229 if (recordset.Next() != KSqlAtRow) |
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230 { |
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231 User::Leave(KErrNotFound); |
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232 } |
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233 |
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234 TUint32 artistId = recordset.ColumnInt64(EAlbumArtist); |
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235 |
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236 CleanupStack::PopAndDestroy(&recordset); |
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237 |
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238 // the current artist is equal to deleted song's artist |
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239 if ( artistId == aArtist ) |
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240 { |
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241 TUint32 newArtistId = ArtistForAlbumL(aId); |
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242 |
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243 _LIT( KFormatArtistId, "Artist=%d" ); |
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244 HBufC* setStr = HBufC::NewLC(KFormatArtistId().Length() + KMCIntegerLen); |
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245 setStr->Des().Format(KFormatArtistId, newArtistId); |
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246 |
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247 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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248 CleanupStack::PopAndDestroy(setStr); |
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249 |
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250 if (aItemChangedMessages) |
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251 { |
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252 // add the item changed message |
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253 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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254 iCategory, KDBPluginUid); |
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255 } |
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256 } |
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257 |
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258 // decrement the number of songs for the category |
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259 query = PreProcessStringLC(KQueryCategoryDecrementSongCount); |
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260 iDbManager.ExecuteQueryL(aDriveId, *query, aId); |
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261 CleanupStack::PopAndDestroy(query); |
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262 } |
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263 } |
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264 |
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265 // ---------------------------------------------------------------------------- |
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266 // CMPXDbAlbum::GetAllCategoryItemsL |
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267 // ---------------------------------------------------------------------------- |
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268 // |
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269 void CMPXDbAlbum::GetAllCategoryItemsL( |
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270 const TArray<TMPXAttribute>& aAttrs, |
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271 CMPXMediaArray& aMediaArray) |
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272 { |
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273 MPX_FUNC("CMPXDbAlbum::GetAllCategoryItemsL"); |
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274 |
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275 HBufC* query = PreProcessStringLC(KQueryAlbumAll); |
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276 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(*query)); |
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277 CleanupStack::PopAndDestroy(query); |
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278 |
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279 CleanupClosePushL(recordset); |
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280 ProcessRecordsetL(aAttrs, recordset, aMediaArray); |
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281 CleanupStack::PopAndDestroy(&recordset); |
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282 } |
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283 |
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284 // ---------------------------------------------------------------------------- |
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285 // CMPXDbAlbum::UpdateItemL |
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286 // ---------------------------------------------------------------------------- |
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287 // |
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288 void CMPXDbAlbum::UpdateItemL( |
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289 TUint32 aId, |
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290 const CMPXMedia& aMedia, |
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291 TInt aDriveId, |
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292 CMPXMessageArray* aItemChangedMessages) |
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293 { |
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294 MPX_FUNC("CMPXDbAlbum::UpdateItemL"); |
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295 |
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296 CDesCArrayFlat* fields = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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297 CleanupStack::PushL(fields); |
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298 CDesCArrayFlat* values = new (ELeave) CDesCArrayFlat(EAlbumFieldCount); |
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299 CleanupStack::PushL(values); |
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300 |
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301 // process the media parameter and construct the fields and values array |
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302 GenerateAlbumFieldsValuesL(aMedia, *fields, *values); |
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303 |
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304 // construct the SET string |
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305 HBufC* setStr = MPXDbCommonUtil::StringFromArraysLC(*fields, *values, KMCEqualSign, KMCCommaSign); |
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306 |
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307 if (setStr->Length()) |
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308 { |
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309 // execute the query |
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310 iDbManager.ExecuteQueryL(aDriveId, KQueryAlbumUpdate, setStr, aId); |
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311 TInt oldSongId = (aMedia.ValueTObjectL<TMPXItemId>(KMPXMediaGeneralId)).iId2; |
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312 MPXDbCommonUtil::AddItemChangedMessageL(*aItemChangedMessages, aId, EMPXItemModified, |
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313 EMPXAlbum, KDBPluginUid, oldSongId ); |
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314 } |
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315 |
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316 CleanupStack::PopAndDestroy(setStr); |
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317 CleanupStack::PopAndDestroy(values); |
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318 CleanupStack::PopAndDestroy(fields); |
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319 } |
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320 |
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321 // ---------------------------------------------------------------------------- |
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322 // CMPXDbAlbum::GetAlbumsCountForArtistL |
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323 // ---------------------------------------------------------------------------- |
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324 // |
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325 TInt CMPXDbAlbum::GetAlbumsCountForArtistL(TUint32 aArtistId) |
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326 { |
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327 RSqlStatement recordset(iDbManager.ExecuteSelectQueryL(KQueryCategorySubcategoryItems, aArtistId)); |
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328 |
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329 TInt prevId(0); |
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330 TInt count(0); |
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331 TInt err(KErrNone); |
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332 |
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333 while ((err = recordset.Next()) == KSqlAtRow) |
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334 { |
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335 TUint32 rowId(recordset.ColumnInt64(EAlbumUniqueId)); |
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336 if (prevId == rowId) |
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337 { |
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338 continue; |
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339 } |
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340 |
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341 count++; |
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342 prevId = rowId; |
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343 } |
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344 |
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345 if (err != KSqlAtEnd) |
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346 { |
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347 User::Leave(err); |
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348 } |
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349 |
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350 return count; |
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351 |
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352 } |
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353 |
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354 // ---------------------------------------------------------------------------- |
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355 // CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL |
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356 // ---------------------------------------------------------------------------- |
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357 // |
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358 TInt CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL(TUint32 aArtistId, TUint32 aAlbumId) |
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359 { |
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360 MPX_FUNC("CMPXDbAlbum::GetSongsCountInAlbumMatchingArtistL"); |
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361 |
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362 return ExecuteSumQueryL(KQuerySongsInArtistAlbum, aArtistId, aAlbumId); |
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363 } |
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364 |
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365 // ---------------------------------------------------------------------------- |
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366 // CMPXDbAlbum::UpdateMediaL |
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367 // ---------------------------------------------------------------------------- |
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368 // |
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369 void CMPXDbAlbum::UpdateMediaL( |
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370 RSqlStatement& aRecord, |
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371 const TArray<TMPXAttribute>& aAttrs, |
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372 CMPXMedia& aMedia) |
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373 { |
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374 MPX_FUNC("CMPXDbAlbum::UpdateMediaL"); |
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375 |
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376 TInt count(aAttrs.Count()); |
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377 for (TInt i = 0; i < count; ++i) |
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378 { |
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379 TInt contentId(aAttrs[i].ContentId()); |
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380 TUint attributeId(aAttrs[i].AttributeId()); |
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381 |
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382 if (contentId == KMPXMediaIdGeneral) |
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383 { |
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384 if (attributeId & EMPXMediaGeneralId) |
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385 { |
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386 MPX_DEBUG1(" EMPXMediaGeneralId"); |
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387 |
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388 aMedia.SetTObjectValueL<TMPXItemId>(KMPXMediaGeneralId, |
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389 aRecord.ColumnInt64(EAlbumUniqueId)); |
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390 } |
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391 if (attributeId & EMPXMediaGeneralTitle) |
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392 { |
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393 MPX_DEBUG1(" EMPXMediaGeneralTitle"); |
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394 |
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395 TPtrC album( MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) ); |
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396 aMedia.SetTextValueL(KMPXMediaGeneralTitle, |
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397 MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName)); |
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398 MPX_DEBUG2(" Album[%S]", &album ); |
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399 } |
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400 if (attributeId & EMPXMediaGeneralCount) |
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401 { |
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402 MPX_DEBUG1(" EMPXMediaGeneralCount"); |
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403 |
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404 TInt songCount = GetSongsCountL(KDbManagerAllDrives, |
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405 aRecord.ColumnInt64(EAlbumUniqueId)); |
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406 aMedia.SetTObjectValueL<TInt>(KMPXMediaGeneralCount, songCount ); |
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407 MPX_DEBUG2(" SongCount[%d]", songCount ); |
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408 } |
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409 } // end if contentId == KMPXMediaIdGeneral |
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410 else if ( contentId == KMPXMediaIdMusic ) |
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411 { |
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412 if (attributeId & EMPXMediaMusicArtist) |
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413 { |
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414 MPX_DEBUG1(" EMPXMediaMusicArtist"); |
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415 |
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416 TPtrC artistName(KNullDesC); |
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417 |
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418 // if album is unknown, ignore arist name |
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419 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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420 { |
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421 artistName.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArtistName)); |
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422 } |
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423 |
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424 aMedia.SetTextValueL(KMPXMediaMusicArtist, artistName); |
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425 MPX_DEBUG2(" Artist[%S]", &artistName); |
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426 } |
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427 if (attributeId & EMPXMediaMusicAlbumArtFileName) |
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428 { |
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429 MPX_DEBUG1(" EMPXMediaMusicAlbumArtFileName"); |
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430 |
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431 TPtrC art(KNullDesC); |
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432 |
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433 // if album is unknown, ignore album art name |
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434 if (MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumName) != KNullDesC) |
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435 { |
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436 art.Set(MPXDbCommonUtil::GetColumnTextL(aRecord, EAlbumArt)); |
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437 } |
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438 |
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439 aMedia.SetTextValueL(KMPXMediaMusicAlbumArtFileName, art); |
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440 MPX_DEBUG2(" Art[%S]", &art); |
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441 } |
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442 } |
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443 } // end for |
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444 |
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445 aMedia.SetTObjectValueL<TMPXGeneralType>(KMPXMediaGeneralType, EMPXItem); |
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446 aMedia.SetTObjectValueL<TMPXGeneralCategory>(KMPXMediaGeneralCategory, iCategory); |
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447 } |
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448 |
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449 // ---------------------------------------------------------------------------- |
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450 // CMPXDbAlbum::GenerateAlbumFieldsValuesL |
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451 // ---------------------------------------------------------------------------- |
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452 // |
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453 void CMPXDbAlbum::GenerateAlbumFieldsValuesL(const CMPXMedia& aMedia, CDesCArray& aFields, CDesCArray& aValues) |
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454 { |
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455 if (aMedia.IsSupported(KMPXMediaMusicAlbumArtFileName)) |
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456 { |
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457 const TDesC& albumArtFilename = aMedia.ValueText(KMPXMediaMusicAlbumArtFileName).Left(KMCMaxTextLen); |
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458 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArt, albumArtFilename); |
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459 } |
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460 |
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461 if (aMedia.IsSupported(KMPXMediaMusicArtist)) |
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462 { |
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463 const TDesC& artistName = aMedia.ValueText(KMPXMediaMusicArtist).Left(KMCMaxTextLen); |
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464 TUint32 artistId = MPXDbCommonUtil::GenerateUniqueIdL(iDbManager.Fs(), EMPXArtist, |
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465 artistName, ETrue); |
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466 MPXDbCommonUtil::AppendValueL(aFields, aValues, KMCMusicArtist, artistId); |
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467 } |
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468 } |
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469 |
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470 // ---------------------------------------------------------------------------- |
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471 // CMPXDbAlbum::IsUnknownArtistL |
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472 // ---------------------------------------------------------------------------- |
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473 // |
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474 TBool CMPXDbAlbum::IsUnknownArtistL(TUint32 aId) |
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475 { |
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476 return iObserver.HandleIsUnknownArtistL(aId); |
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477 } |
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478 |
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479 // ---------------------------------------------------------------------------- |
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480 // CMPXDbAlbum::ArtistForAlbumL |
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481 // ---------------------------------------------------------------------------- |
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482 // |
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483 TUint32 CMPXDbAlbum::ArtistForAlbumL(const TUint32 aId) |
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484 { |
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485 return iObserver.HandleArtistForAlbumL(aId); |
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486 } |
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487 |
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488 // ---------------------------------------------------------------------------- |
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489 // CMPXDbAlbum::CreateTableL |
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490 // ---------------------------------------------------------------------------- |
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491 // |
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492 void CMPXDbAlbum::CreateTableL( |
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493 RSqlDatabase& aDatabase, |
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494 TBool /* aCorruptTable */) |
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495 { |
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496 MPX_FUNC("CMPXDbCategory::CreateTableL"); |
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497 |
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498 // create the table |
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499 HBufC* query = PreProcessStringLC(KAlbumCreateTable); |
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500 User::LeaveIfError(aDatabase.Exec(*query)); |
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501 CleanupStack::PopAndDestroy(query); |
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502 |
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503 // do not create an index on the Name field |
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504 // as it only slows down the insert/update queries overall |
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505 } |
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506 |
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507 // ---------------------------------------------------------------------------- |
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508 // CMPXDbAlbum::CheckTableL |
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509 // ---------------------------------------------------------------------------- |
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510 // |
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511 TBool CMPXDbAlbum::CheckTableL( |
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512 RSqlDatabase& aDatabase) |
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513 { |
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514 MPX_FUNC("CMPXDbCategory::CheckTableL"); |
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515 |
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516 HBufC* query = PreProcessStringLC(KAlbumCheckTable); |
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517 TBool check(DoCheckTable(aDatabase, *query)); |
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518 CleanupStack::PopAndDestroy(query); |
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519 |
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520 return check; |
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521 } |
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522 |
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523 // End of File |
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