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1 /* |
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2 * Copyright (c) 2006-2007 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: Implementation file of CUpnpDlnaProfiler class that is used |
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15 * for resolving a DLNA profile of a given file. |
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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 |
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21 |
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22 |
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23 |
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24 // system includes |
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25 #include <f32file.h> // RFile |
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26 #include <apgcli.h> // RApaLsSession |
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27 |
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28 // user includes |
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29 #include "upnpdlnaprofiler.h" |
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30 #include "upnpprofiler.h" |
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31 #include "upnpaudiosolverbase.h" |
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32 #include "upnpavsolverbase.h" |
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33 #include "upnpimagesolverbase.h" |
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34 #include "upnpresparameters.h" |
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35 |
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36 _LIT( KComponentLogfile, "dlnaprofiler.txt"); |
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37 #include "upnplog.h" |
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38 |
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39 // constants |
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40 // NONE |
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41 |
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42 // ======== LOCAL FUNCTIONS ======== |
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43 // NONE |
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44 |
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45 // ======== MEMBER FUNCTIONS ======== |
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46 |
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47 // -------------------------------------------------------------------------- |
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48 // CUpnpDlnaProfiler C++ constructor |
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49 // -------------------------------------------------------------------------- |
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50 // |
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51 CUpnpDlnaProfiler::CUpnpDlnaProfiler() |
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52 { |
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53 __LOG( "[UPnPDlnaProfiler] Constructor" ); |
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54 } |
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55 |
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56 |
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57 // -------------------------------------------------------------------------- |
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58 // CUpnpDlnaProfiler::ConstructL |
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59 // -------------------------------------------------------------------------- |
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60 // |
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61 void CUpnpDlnaProfiler::ConstructL() |
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62 { |
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63 __LOG( "[UPnPDlnaProfiler] ConstructL" ); |
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64 CUpnpAudioSolverBase* baseAudioSolver = CUpnpAudioSolverBase::NewL(); |
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65 iAudioSolvers.AppendL( baseAudioSolver ); |
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66 |
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67 CUpnpAvSolverBase* baseAvSolver = CUpnpAvSolverBase::NewL(); |
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68 iAvSolvers.AppendL( baseAvSolver ); |
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69 |
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70 CUpnpImageSolverBase* baseImageSolver = CUpnpImageSolverBase::NewL(); |
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71 iImageSolvers.AppendL( baseImageSolver ); |
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72 } |
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73 |
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74 |
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75 // -------------------------------------------------------------------------- |
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76 // CUpnpDlnaProfiler::NewL |
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77 // -------------------------------------------------------------------------- |
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78 // |
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79 EXPORT_C CUpnpDlnaProfiler* CUpnpDlnaProfiler::NewL() |
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80 { |
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81 __LOG( "[UPnPDlnaProfiler] NewL" ); |
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82 CUpnpDlnaProfiler* self = CUpnpDlnaProfiler::NewLC(); |
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83 CleanupStack::Pop( self ); |
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84 return self; |
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85 } |
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86 |
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87 |
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88 // -------------------------------------------------------------------------- |
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89 // CUpnpDlnaProfiler::NewLC |
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90 // -------------------------------------------------------------------------- |
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91 // |
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92 EXPORT_C CUpnpDlnaProfiler* CUpnpDlnaProfiler::NewLC() |
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93 { |
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94 __LOG( "[UPnPDlnaProfiler] NewLC" ); |
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95 CUpnpDlnaProfiler* self = new( ELeave ) CUpnpDlnaProfiler; |
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96 CleanupStack::PushL( self ); |
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97 self->ConstructL(); |
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98 return self; |
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99 } |
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100 |
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101 |
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102 // -------------------------------------------------------------------------- |
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103 // CUpnpDlnaProfiler destructor |
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104 // -------------------------------------------------------------------------- |
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105 // |
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106 CUpnpDlnaProfiler::~CUpnpDlnaProfiler() |
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107 { |
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108 __LOG( "[UPnPDlnaProfiler] Destructor" ); |
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109 iAudioSolvers.ResetAndDestroy(); |
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110 iAudioSolvers.Close(); |
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111 |
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112 iAvSolvers.ResetAndDestroy(); |
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113 iAvSolvers.Close(); |
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114 |
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115 iImageSolvers.ResetAndDestroy(); |
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116 iImageSolvers.Close(); |
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117 } |
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118 |
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119 // -------------------------------------------------------------------------- |
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120 // CUpnpDlnaProfiler::SupportedProfilesL |
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121 // Returns DlnaProfiles that are supported with currently loaded solver |
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122 // plugins. |
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123 // -------------------------------------------------------------------------- |
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124 // |
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125 EXPORT_C TInt CUpnpDlnaProfiler::SupportedProfilesL( |
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126 CDesC16ArrayFlat* aProfiles ) const |
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127 { |
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128 __LOG( "[UPnPDlnaProfiler] SupportedProfilesL" ); |
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129 TInt retval = KErrNone; |
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130 |
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131 if ( !aProfiles ) |
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132 { |
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133 // Invalid parameter |
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134 retval = KErrArgument; |
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135 } |
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136 else |
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137 { |
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138 // append all audio profiles recognized |
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139 for ( TInt i( iAudioSolvers.Count() - 1 ); i >= 0 ; i-- ) |
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140 { |
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141 MUpnpProfiler* currentProfiler = iAudioSolvers[i]; |
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142 currentProfiler->SupportedProfilesL( aProfiles ); |
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143 } |
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144 // append all av profiles recognized |
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145 for ( TInt i( iAvSolvers.Count() - 1 ); i >= 0 ; i-- ) |
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146 { |
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147 MUpnpProfiler* currentProfiler = iAvSolvers[i]; |
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148 currentProfiler->SupportedProfilesL( aProfiles ); |
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149 } |
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150 // append all image profiles recognized |
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151 for ( TInt i( iImageSolvers.Count() - 1 ); i >= 0 ; i-- ) |
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152 { |
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153 MUpnpProfiler* currentProfiler = iImageSolvers[i]; |
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154 currentProfiler->SupportedProfilesL( aProfiles ); |
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155 } |
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156 } |
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157 |
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158 return retval; |
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159 } |
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160 |
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161 // -------------------------------------------------------------------------- |
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162 // CUpnpDlnaProfiler::ProfileForFileL |
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163 // Resolves the DLNA profile for a file given in aFileName parameter. |
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164 // Returns NULL if DLNA profile could not be recognized with currently loaded |
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165 // solver plugins. |
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166 // -------------------------------------------------------------------------- |
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167 // |
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168 EXPORT_C HBufC* CUpnpDlnaProfiler::ProfileForFileL( const TDesC& aFilename ) |
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169 { |
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170 __LOG( "[UPnPDlnaProfiler] ProfileForFileL" ); |
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171 // check that aFileName is reasonable |
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172 if ( aFilename.Length() <= 0 ) |
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173 { |
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174 User::Leave( KErrArgument ); |
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175 } |
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176 |
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177 HBufC* retval = NULL; |
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178 |
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179 // try to open file specified by aFileName |
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180 RFs fsSession; |
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181 User::LeaveIfError( fsSession.Connect() ); // connect session |
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182 CleanupClosePushL( fsSession ); |
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183 // without calling ShareProtected() RApaLsSession::RecognizeData |
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184 // does not work (leaves with KErrBadHandle). |
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185 fsSession.ShareProtected(); |
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186 |
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187 RFile file; |
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188 User::LeaveIfError( file.Open( fsSession, |
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189 aFilename, |
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190 EFileShareReadersOrWriters|EFileRead ) ); |
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191 CleanupClosePushL( file ); |
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192 |
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193 // Create an AppArc server session for mime type recognition |
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194 RApaLsSession sess; |
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195 User::LeaveIfError( sess.Connect() ); |
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196 CleanupClosePushL( sess ); |
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197 |
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198 // Try to get mime type from AppArc server |
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199 TDataRecognitionResult mimeResult; |
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200 User::LeaveIfError( sess.RecognizeData( file, mimeResult ) ); |
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201 |
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202 // close session handle |
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203 CleanupStack::PopAndDestroy( &sess ); |
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204 |
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205 // Data recognition done. Check results. |
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206 HBufC8* mimetype = HBufC8::NewL( mimeResult.iDataType.Des8().Length() ); |
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207 mimetype->Des().Append( mimeResult.iDataType.Des8() ); |
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208 |
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209 if ( mimetype && mimetype->Length() > 0 ) |
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210 { |
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211 CleanupStack::PushL( mimetype ); |
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212 retval = DlnaProfileFromSolversL( aFilename, *mimetype, file ); |
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213 CleanupStack::PopAndDestroy( mimetype ); |
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214 } |
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215 |
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216 // close file and filesession handles |
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217 CleanupStack::PopAndDestroy( &file ); |
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218 CleanupStack::PopAndDestroy( &fsSession ); |
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219 |
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220 return retval; |
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221 } |
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222 |
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223 // -------------------------------------------------------------------------- |
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224 // CUpnpDlnaProfiler::ProfileForFileL |
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225 // Resolves the DLNA profile for a file given in aFileName parameter. |
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226 // Returns NULL if DLNA profile could not be recognized with currently loaded |
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227 // solver plugins. Takes RFile and CUpnpResParameters parameters in order to |
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228 // minimize the amount of file opening. |
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229 // -------------------------------------------------------------------------- |
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230 // |
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231 EXPORT_C HBufC* CUpnpDlnaProfiler::ProfileForFileL( |
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232 const TDesC& aFilename, |
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233 RFile& aFile, |
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234 CUpnpResParameters& aParameters ) |
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235 { |
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236 __LOG( "[UPnPDlnaProfiler] ProfileForFileL" ); |
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237 // check that aFileName is reasonable |
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238 if ( aFilename.Length() <= 0 || aParameters.MimeType().Length() <= 0 ) |
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239 { |
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240 User::Leave( KErrArgument ); |
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241 } |
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242 |
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243 HBufC* retval = NULL; |
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244 |
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245 retval = DlnaProfileFromSolversL( aFilename, |
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246 aParameters.MimeType(), |
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247 aFile ); |
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248 |
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249 return retval; |
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250 } |
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251 |
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252 // -------------------------------------------------------------------------- |
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253 // CUpnpDlnaProfiler::DlnaProfileFromSolversL |
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254 // Checks the mime type given as parameter and forwards the recognition task |
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255 // to solver plugins corresponding the mimetype. |
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256 // -------------------------------------------------------------------------- |
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257 // |
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258 HBufC* CUpnpDlnaProfiler::DlnaProfileFromSolversL( |
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259 const TDesC& aFilename, |
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260 const TDesC8& aMimetype, |
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261 RFile& aFile ) |
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262 { |
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263 __LOG( "[UPnPDlnaProfiler] DlnaProfileFromSolversL" ); |
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264 HBufC* retval = NULL; |
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265 |
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266 TPtrC8 mediatype = aMimetype.Left( KMimeStartLength ); |
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267 if ( mediatype.Compare( KAudio() ) == 0 ) |
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268 { |
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269 for ( TInt i( iAudioSolvers.Count() - 1 ); i >= 0 && !retval ; i-- ) |
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270 { |
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271 MUpnpProfiler* currentProfiler = iAudioSolvers[i]; |
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272 retval = currentProfiler->ProfileForFileL( aFilename, |
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273 aMimetype, |
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274 aFile ); |
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275 } |
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276 } |
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277 else if ( mediatype.Compare( KVideo() ) == 0 ) |
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278 { |
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279 for ( TInt i( iAvSolvers.Count() - 1 ); i >= 0 && !retval ; i-- ) |
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280 { |
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281 MUpnpProfiler* currentProfiler = iAvSolvers[i]; |
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282 retval = currentProfiler->ProfileForFileL( aFilename, |
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283 aMimetype, |
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284 aFile ); |
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285 } |
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286 } |
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287 else if ( mediatype.Compare( KImage() ) == 0 ) |
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288 { |
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289 for ( TInt i( iImageSolvers.Count() - 1 ); i >= 0 && !retval ; i-- ) |
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290 { |
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291 MUpnpProfiler* currentProfiler = iImageSolvers[i]; |
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292 retval = currentProfiler->ProfileForFileL( aFilename, |
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293 aMimetype, |
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294 aFile ); |
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295 } |
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296 } |
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297 else |
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298 { |
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299 retval = NULL; |
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300 } |
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301 |
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302 return retval; |
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303 } |
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304 |
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305 // end of file |