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1 /* |
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2 * Copyright (c) 2004 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: This class implements |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 // INCLUDE FILES |
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21 #include "MetaDataParserRA.h" |
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22 #ifdef _DEBUG |
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23 #include <e32svr.h> |
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24 #endif |
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25 |
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26 #include <s32mem.h> |
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27 #include <hxmetadatautil.h> |
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28 #include "MetaDataSourceFile.h" |
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29 |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 // ----------------------------------------------------------------------------- |
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34 // CMetaDataParserRA::CMetaDataParserRA |
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35 // C++ default constructor can NOT contain any code, that |
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36 // might leave. |
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37 // ----------------------------------------------------------------------------- |
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38 // |
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39 CMetaDataParserRA::CMetaDataParserRA( |
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40 CMetaDataSource& aSource ) |
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41 : iSource(aSource) |
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42 { |
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43 } |
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44 |
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45 // ----------------------------------------------------------------------------- |
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46 // CMetaDataParserRA::ConstructL |
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47 // Symbian 2nd phase constructor can leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 void CMetaDataParserRA::ConstructL() |
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51 { |
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52 if ( ValidateL() ) |
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53 { |
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54 iHxMetaDataUtility = CHXMetaDataUtility::NewL(); |
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55 } |
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56 else |
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57 { |
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58 User::Leave(KErrNotSupported); |
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59 } |
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60 |
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61 #ifdef _DEBUG |
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62 RDebug::Print(_L("CMetaDataParserRA::ConstructL - Done")); |
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63 #endif |
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64 } |
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65 |
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66 // ----------------------------------------------------------------------------- |
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67 // CMetaDataParserRA::NewL |
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68 // Two-phased constructor. |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CMetaDataParserRA* CMetaDataParserRA::NewL( |
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72 CMetaDataSource& aSource ) |
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73 { |
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74 #ifdef _DEBUG |
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75 RDebug::Print(_L("CMetaDataParserRA::NewL")); |
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76 #endif |
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77 CMetaDataParserRA* self = new( ELeave ) CMetaDataParserRA(aSource); |
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78 CleanupStack::PushL( self ); |
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79 self->ConstructL(); |
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80 CleanupStack::Pop(); |
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81 return self; |
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82 } |
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83 |
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84 // Destructor |
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85 CMetaDataParserRA::~CMetaDataParserRA() |
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86 { |
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87 delete iCharacterSet; |
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88 if (iHxMetaDataUtility) |
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89 { |
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90 TRAPD(err, iHxMetaDataUtility->ResetL()); |
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91 if (err != KErrNone) |
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92 { |
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93 #ifdef _DEBUG |
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94 RDebug::Print(_L("CMetaDataParserRA::~CMetaDataParserRA(), err=%d"), err); |
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95 #endif |
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96 } |
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97 delete iHxMetaDataUtility; |
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98 } |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // CMetaDataParserRA::ParseL |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 void CMetaDataParserRA::ParseL( |
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106 const RArray<TMetaDataFieldId>& aWantedFields, |
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107 CMetaDataFieldContainer& aContainer ) |
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108 { |
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109 #ifdef _DEBUG |
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110 RDebug::Print(_L("CMetaDataParserRA::ParseL")); |
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111 #endif |
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112 iContainer = &aContainer; |
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113 TUint count = 0; |
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114 HXMetaDataKeys::EHXMetaDataId id; |
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115 TFileName fileName; |
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116 |
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117 // Determine if user entered a TDesC filename or a RFile: |
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118 |
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119 if (((CMetaDataSourceFile&)iSource).IsFileHandler()) |
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120 { |
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121 RFile rFile; |
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122 rFile.Duplicate( ((CMetaDataSourceFile&)iSource).FileHandler() ); |
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123 TRAPD(err, iHxMetaDataUtility->OpenFileL((RFile &)rFile)); // casting necessary--compile error |
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124 rFile.Close(); |
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125 User::LeaveIfError(err); |
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126 } |
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127 else // filename |
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128 { |
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129 if (((CMetaDataSourceFile&)iSource).FileName().Length() > fileName.MaxLength()) |
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130 { |
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131 #ifdef _DEBUG |
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132 RDebug::Print(_L("CMetaDataParserRA::ParseL: Invalid File name")); |
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133 #endif |
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134 |
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135 return; |
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136 } |
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137 fileName.Copy(((CMetaDataSourceFile&)iSource).FileName()); |
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138 iHxMetaDataUtility->OpenFileL(fileName); |
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139 } |
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140 |
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141 TInt status = iHxMetaDataUtility->GetMetaDataCount(count); |
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142 #ifdef _DEBUG |
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143 RDebug::Print(_L("CMetaDataParserRA::ParseL: Meta Data Count = %d"), count); |
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144 #endif |
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145 |
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146 if ( aWantedFields.Count() == 0 ) // Get all attributes from HxMetaDataUtil |
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147 { |
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148 for (TUint i=0; i<count;i++) |
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149 { |
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150 HBufC *pDes = NULL; |
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151 status = iHxMetaDataUtility->GetMetaDataAt(i, id, pDes); |
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152 if (status == KErrNone) |
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153 { |
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154 switch (id) |
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155 { |
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156 case HXMetaDataKeys::EHXTitle: |
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157 { |
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158 iContainer->AppendL( EMetaDataSongTitle, *pDes ); |
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159 break; |
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160 } |
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161 case HXMetaDataKeys::EHXAuthor: |
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162 { |
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163 iContainer->AppendL( EMetaDataArtist, *pDes ); |
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164 break; |
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165 } |
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166 case HXMetaDataKeys::EHXGenre: |
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167 { |
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168 iContainer->AppendL( EMetaDataGenre, *pDes ); |
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169 break; |
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170 } |
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171 case HXMetaDataKeys::EHXPerformer: |
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172 { |
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173 iContainer->AppendL( EMetaDataComposer, *pDes ); |
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174 break; |
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175 } |
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176 case HXMetaDataKeys::EHXCopyright: |
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177 { |
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178 iContainer->AppendL( EMetaDataCopyright, *pDes ); |
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179 break; |
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180 } |
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181 default: |
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182 break; |
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183 |
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184 } // End switch |
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185 } // end if |
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186 else |
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187 { |
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188 #ifdef _DEBUG |
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189 RDebug::Print(_L("CMetaDataParserRA::ParseL: Error %d returned for count = %d"), status, count); |
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190 #endif |
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191 |
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192 } |
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193 |
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194 } // end For |
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195 } // end if |
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196 else // Only get attributes in the wanted field array |
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197 { |
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198 TInt count( aWantedFields.Count() ); |
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199 TInt err = KErrNone; |
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200 for ( TInt i = 0; i < count; i++ ) |
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201 { |
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202 switch ( aWantedFields[ i ] ) |
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203 { |
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204 case EMetaDataSongTitle: |
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205 err = GetTitleL(count); |
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206 break; |
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207 case EMetaDataArtist: |
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208 err = GetArtistL(count); |
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209 break; |
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210 case EMetaDataGenre: |
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211 err = GetGenreL(count); |
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212 break; |
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213 case EMetaDataComposer: |
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214 err = GetComposerL(count); |
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215 break; |
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216 case EMetaDataCopyright: |
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217 err = GetCopyrightL(count); |
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218 break; |
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219 default: |
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220 break; |
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221 } // end switch |
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222 if (err != KErrNone) |
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223 { |
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224 // Handle error |
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225 } |
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226 } // end for |
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227 } // end else |
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228 } |
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229 |
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230 // ----------------------------------------------------------------------------- |
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231 // CMetaDataParserRA::ValidateL |
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232 // ----------------------------------------------------------------------------- |
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233 // |
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234 TBool CMetaDataParserRA::ValidateL() |
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235 { |
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236 TInt size; |
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237 User::LeaveIfError( iSource.Size( size ) ); |
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238 if ( size <= 0 ) |
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239 { |
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240 return EFalse; |
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241 } |
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242 |
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243 // Anything else? Call GetMetaDataCount? |
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244 |
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245 return ETrue; |
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246 } |
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247 |
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248 // ----------------------------------------------------------------------------- |
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249 // CMetaDataParserRA::OpenFileL |
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250 // |
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251 // ----------------------------------------------------------------------------- |
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252 // |
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253 void CMetaDataParserRA::OpenFileL(RFile& aFile) |
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254 { |
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255 #ifdef _DEBUG |
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256 RDebug::Print(_L("CMetaDataParserRA::OpenFileL")); |
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257 #endif |
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258 |
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259 if (iHxMetaDataUtility) |
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260 { |
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261 iHxMetaDataUtility->OpenFileL((TDesC &)aFile); |
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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 // |
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267 void CMetaDataParserRA::OpenDesL(const TDesC8& aDes) |
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268 { |
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269 #ifdef _DEBUG |
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270 RDebug::Print(_L("CMetaDataParserRA::OpenDesL")); |
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271 #endif |
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272 |
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273 if (iHxMetaDataUtility) |
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274 { |
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275 iHxMetaDataUtility->OpenDesL(aDes); |
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276 } |
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277 } |
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278 |
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279 // ----------------------------------------------------------------------------- |
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280 // CMetaDataParserRA::GetTitleL |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 TInt CMetaDataParserRA::GetTitleL(TInt aCount) |
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284 { |
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285 TInt status = KErrNotFound; |
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286 HXMetaDataKeys::EHXMetaDataId id; |
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287 iData = NULL; |
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288 status = iHxMetaDataUtility->GetMetaDataAt(aCount, id, iData); |
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289 if (id == HXMetaDataKeys::EHXTitle) |
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290 { |
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291 iContainer->AppendL( EMetaDataSongTitle, *iData ); |
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292 return KErrNone; |
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293 } |
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294 return status; |
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295 } |
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296 |
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297 // ----------------------------------------------------------------------------- |
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298 // CMetaDataParserRA::GetArtistL |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 TInt CMetaDataParserRA::GetArtistL(TInt aCount) |
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302 { |
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303 TInt status = KErrNotFound; |
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304 HXMetaDataKeys::EHXMetaDataId id; |
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305 iData = NULL; |
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306 status = iHxMetaDataUtility->GetMetaDataAt(aCount, id, iData); |
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307 if (id == HXMetaDataKeys::EHXAuthor) |
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308 { |
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309 iContainer->AppendL( EMetaDataArtist, *iData ); |
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310 return KErrNone; |
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311 } |
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312 return status; |
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313 } |
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314 |
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315 // ----------------------------------------------------------------------------- |
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316 // CMetaDataParserRA::GetGenreL |
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317 // ----------------------------------------------------------------------------- |
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318 // |
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319 TInt CMetaDataParserRA::GetGenreL(TInt aCount) |
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320 { |
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321 TInt status = KErrNotFound; |
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322 HXMetaDataKeys::EHXMetaDataId id; |
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323 iData = NULL; |
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324 status = iHxMetaDataUtility->GetMetaDataAt(aCount, id, iData); |
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325 if (id == HXMetaDataKeys::EHXGenre) |
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326 { |
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327 iContainer->AppendL( EMetaDataGenre, *iData ); |
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328 return KErrNone; |
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329 } |
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330 return status; |
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331 } |
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332 |
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333 // ----------------------------------------------------------------------------- |
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334 // CMetaDataParserRA::GeComposerL |
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335 // ----------------------------------------------------------------------------- |
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336 // |
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337 TInt CMetaDataParserRA::GetComposerL(TInt aCount) |
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338 { |
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339 TInt status = KErrNotFound; |
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340 HXMetaDataKeys::EHXMetaDataId id; |
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341 iData = NULL; |
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342 status = iHxMetaDataUtility->GetMetaDataAt(aCount, id, iData); |
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343 if (id == HXMetaDataKeys::EHXPerformer) |
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344 { |
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345 iContainer->AppendL( EMetaDataComposer, *iData ); |
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346 return KErrNone; |
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347 } |
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348 return status; |
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349 } |
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350 |
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351 // ----------------------------------------------------------------------------- |
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352 // CMetaDataParserRA::GetCopyrightL |
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353 // ----------------------------------------------------------------------------- |
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354 // |
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355 TInt CMetaDataParserRA::GetCopyrightL(TInt aCount) |
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356 { |
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357 TInt status = KErrNotFound; |
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358 HXMetaDataKeys::EHXMetaDataId id; |
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359 iData = NULL; |
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360 status = iHxMetaDataUtility->GetMetaDataAt(aCount, id, iData); |
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361 if (id == HXMetaDataKeys::EHXCopyright) |
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362 { |
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363 iContainer->AppendL( EMetaDataCopyright, *iData ); |
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364 return KErrNone; |
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365 } |
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366 return status; |
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367 } |
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368 |
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369 // End of File |