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1 /* |
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2 * Copyright (c) 2005 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: |
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15 * Recognizes MIME type for a file. |
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16 * Maps MIME types to media types. |
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17 * Creates media info object for a file. |
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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 // INCLUDE FILES |
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25 #include <e32std.h> |
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26 #include <e32base.h> // CBase |
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27 #include <apmstd.h> // TDataType |
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28 #include <f32file.h> // RFs, RFile |
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29 #include <apgcli.h> // RApaLsSession |
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30 #include <apmrec.h> |
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31 |
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32 #include <coemain.h> |
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33 #include <barsread.h> |
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34 #include <bautils.h> |
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35 #include <data_caging_path_literals.hrh> |
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36 |
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37 #include <DRMHelper.h> |
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38 #include <fileprotectionresolver.h> |
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39 |
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40 // Features |
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41 #include <featmgr.h> |
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42 #include <bldvariant.hrh> |
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43 #include <MessagingVariant.hrh> |
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44 |
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45 // Resources |
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46 #include <MsgMimeToMediaMapping.rsg> |
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47 |
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48 #include "MsgMedia.hrh" |
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49 #include "MsgMediaResolver.h" |
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50 #include "MsgMediaTypeGroup.h" |
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51 #include "MsgMediaPanic.h" |
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52 #include "MsgMediaInfo.h" |
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53 #include "MsgImageInfo.h" |
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54 #include "MsgAudioInfo.h" |
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55 #include "MsgTextInfo.h" |
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56 #include "MsgVideoInfo.h" |
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57 #include "MsgMimeTypes.h" |
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58 |
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59 // LOCAL CONSTANTS AND MACROS |
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60 // Unrecognised media type is 'x-epoc/x-app0'. |
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61 // Media type 'x-epoc/x-appN', in which N>0 may also be possible. |
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62 // N stands for Uid of the app handling the content on the Symbian OS platform |
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63 _LIT8( KMmsSymbianInternalPattern, "x-epoc/x-app0"); |
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64 |
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65 _LIT( KMsgMediaResourceFileName, "MsgMimeToMediaMapping.rsc" ); |
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66 |
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67 // ============================ MEMBER FUNCTIONS =============================== |
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68 |
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69 // ----------------------------------------------------------------------------- |
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70 // Factory |
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71 // ----------------------------------------------------------------------------- |
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72 // |
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73 EXPORT_C CMsgMediaResolver* CMsgMediaResolver::NewLC() |
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74 { |
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75 CMsgMediaResolver* self = new ( ELeave ) CMsgMediaResolver(); |
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76 CleanupStack::PushL( self ); |
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77 self->ConstructL(); |
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78 return self; |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 // Factory |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 EXPORT_C CMsgMediaResolver* CMsgMediaResolver::NewL() |
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86 { |
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87 CMsgMediaResolver* self = NewLC(); |
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88 CleanupStack::Pop( self ); |
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89 return self; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // C++ constructor |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 CMsgMediaResolver::CMsgMediaResolver() : |
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97 iRecognizeCharSet( ETrue ) // CharSet recognition is on by default. |
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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 // Destructor |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 CMsgMediaResolver::~CMsgMediaResolver() |
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106 { |
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107 if ( iWait.IsStarted() ) |
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108 { |
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109 // Stop active wait. |
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110 iWait.AsyncStop(); |
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111 } |
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112 |
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113 iFs.Close(); |
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114 iApaLsSession.Close(); |
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115 iMimeGroupArray.ResetAndDestroy(); |
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116 delete iFileProt; |
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117 delete iDRMHelper; |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // 2nd phase constructor |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CMsgMediaResolver::ConstructL() |
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125 { |
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126 // Create own shared file server session. |
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127 User::LeaveIfError( iFs.Connect() ); |
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128 User::LeaveIfError( iFs.ShareProtected() ); |
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129 User::LeaveIfError( iApaLsSession.Connect() ); |
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130 |
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131 iDRMHelper = CDRMHelper::NewL(); |
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132 iFileProt = CFileProtectionResolver::NewL( iFs ); |
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133 CreateMediaTypeGroupsL(); |
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134 } |
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135 |
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136 // ----------------------------------------------------------------------------- |
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137 // CMsgMediaResolver::CreateMediaTypeGroupsL |
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138 // ----------------------------------------------------------------------------- |
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139 // |
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140 void CMsgMediaResolver::CreateMediaTypeGroupsL() |
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141 { |
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142 TFileName fileName; |
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143 TFindFile finder( iFs ); |
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144 //Search Y->A then Z: |
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145 TInt err = finder.FindByDir( KMsgMediaResourceFileName, KDC_RESOURCE_FILES_DIR ); |
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146 if(err == KErrNone) |
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147 { |
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148 fileName = finder.File(); |
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149 RResourceFile resourceFile; |
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150 resourceFile.OpenL( iFs, fileName ); |
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151 CleanupClosePushL( resourceFile ); |
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152 resourceFile.ConfirmSignatureL( 0 ); |
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153 |
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154 HBufC8* dataBuffer = resourceFile.AllocReadLC( R_MSG_MEDIAGROUPS ); |
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155 |
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156 TResourceReader reader; |
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157 reader.SetBuffer( dataBuffer ); |
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158 |
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159 TInt numMediaGroups( reader.ReadInt16() ); |
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160 |
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161 for ( TInt i = 0; i < numMediaGroups; i++ ) |
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162 { |
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163 CMsgMediaTypeGroup* mimeTypeGroup = CMsgMediaTypeGroup::NewLC( reader ); |
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164 iMimeGroupArray.AppendL( mimeTypeGroup ); |
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165 CleanupStack::Pop( mimeTypeGroup ); |
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166 } |
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167 |
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168 CleanupStack::PopAndDestroy( 2, &resourceFile ); // resourceFile.Close, dataBuffer |
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169 } |
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170 } |
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171 |
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172 // ----------------------------------------------------------------------------- |
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173 // CMsgMediaResolver::FileHandleL |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 EXPORT_C RFile CMsgMediaResolver::FileHandleL( const TDesC& aFileName ) |
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177 { |
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178 RFile file; |
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179 User::LeaveIfError( file.Open( iFs, aFileName, EFileRead | EFileShareReadersOnly ) ); |
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180 return file; |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // CMsgMediaResolver::RecognizeL |
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185 // ----------------------------------------------------------------------------- |
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186 // |
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187 EXPORT_C void CMsgMediaResolver::RecognizeL( RFile& aFile, |
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188 TDataType& aMimeType ) |
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189 { |
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190 TFileName* name = new ( ELeave ) TFileName; |
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191 CleanupStack::PushL( name ); |
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192 User::LeaveIfError( aFile.Name( *name ) ); |
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193 TParsePtrC parse( *name ); |
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194 if ( parse.Ext().CompareF( KMsgExtSmil1 ) == 0 || |
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195 parse.Ext().CompareF( KMsgExtSmil2 ) == 0 || |
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196 parse.Ext().CompareF( KMsgExtSmil3 ) == 0 ) |
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197 { |
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198 aMimeType = KMsgMimeSmil(); |
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199 } |
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200 else |
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201 { |
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202 TDataRecognitionResult dataType; |
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203 TInt err = iApaLsSession.RecognizeData( aFile, dataType ); |
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204 // Unrecognised content and no leaves in recogniser plugins |
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205 // return err = KErrNone & dataType = 'x-epoc/x-app0'. |
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206 // Unrecognised content and a leave in recogniser plugins |
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207 // return err = <leave-code-in-recogniser> |
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208 if ( err |
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209 || dataType.iDataType.Des8().Length() == 0 |
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210 || !dataType.iDataType.Des8().CompareF( KMmsSymbianInternalPattern ) ) |
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211 { |
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212 // Not recognized |
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213 aMimeType = KMsgMimeUnknown(); |
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214 } |
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215 else |
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216 { |
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217 aMimeType = dataType.iDataType; |
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218 } |
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219 } |
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220 CleanupStack::PopAndDestroy( name ); |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CMsgMediaResolver::MediaType |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 EXPORT_C TMsgMediaType CMsgMediaResolver::MediaType( const TDesC8& aMimeType ) const |
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228 { |
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229 TInt mimeGroupCount( iMimeGroupArray.Count() ); |
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230 for ( TInt i = 0; i < mimeGroupCount; i++ ) |
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231 { |
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232 CMsgMediaTypeGroup* group = iMimeGroupArray[ i ]; |
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233 if ( group->HasMimeType( aMimeType ) ) |
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234 { |
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235 return group->MediaType(); |
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236 } |
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237 } |
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238 return EMsgMediaUnknown; |
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239 } |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // CMsgMediaResolver::MediaInfoL |
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243 // ----------------------------------------------------------------------------- |
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244 // |
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245 EXPORT_C CMsgMediaInfo* CMsgMediaResolver::CreateMediaInfoL( RFile& aFile ) |
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246 { |
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247 TDataType* mimeType = new ( ELeave ) TDataType; |
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248 CleanupStack::PushL( mimeType ); |
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249 RecognizeL( aFile, *mimeType ); |
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250 CMsgMediaInfo* info = DoCreateMediaInfoL( aFile, *mimeType ); |
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251 CleanupStack::PopAndDestroy( mimeType ); |
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252 return info; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CMsgMediaResolver::MediaInfoL |
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257 // ----------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C CMsgMediaInfo* CMsgMediaResolver::CreateMediaInfoL( RFile& aFile, TDataType& aMimeType ) |
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260 { |
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261 return DoCreateMediaInfoL( aFile, aMimeType ); |
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262 } |
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263 |
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264 // ----------------------------------------------------------------------------- |
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265 // CMsgMediaResolver::ParseInfoDetailsL |
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266 // ----------------------------------------------------------------------------- |
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267 // |
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268 EXPORT_C void CMsgMediaResolver::ParseInfoDetailsL( CMsgMediaInfo* aInfo, RFile& aFile ) |
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269 { |
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270 aInfo->ParseInfoDetailsL( aFile, *iDRMHelper, *this ); |
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271 if ( iWait.IsStarted() ) |
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272 { |
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273 // Stop active wait. |
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274 iWait.AsyncStop(); |
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275 } |
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276 // Start active wait |
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277 iWait.Start(); |
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278 } |
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279 |
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280 // ----------------------------------------------------------------------------- |
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281 // CMsgMediaResolver::DoCreateMediaInfoL |
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282 // ----------------------------------------------------------------------------- |
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283 // |
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284 CMsgMediaInfo* CMsgMediaResolver::DoCreateMediaInfoL( RFile& aFile, |
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285 TDataType& aMimeType ) |
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286 { |
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287 CMsgMediaInfo* mediaInfo = NULL; |
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288 TMsgMediaType mediaType = MediaType( aMimeType.Des8() ); |
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289 switch ( mediaType ) |
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290 { |
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291 case EMsgMediaText: |
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292 { |
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293 mediaInfo = CMsgTextInfo::NewL( aFile, aMimeType, iFs ); |
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294 if ( !iRecognizeCharSet ) |
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295 { |
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296 // Suppress charset recognition. |
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297 static_cast< CMsgTextInfo* >( mediaInfo )->SetCharacterSet( 0 ); |
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298 } |
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299 break; |
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300 } |
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301 case EMsgMediaImage: |
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302 { |
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303 mediaInfo = CMsgImageInfo::NewL( aFile, aMimeType ); |
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304 break; |
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305 } |
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306 case EMsgMediaVideo: |
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307 { |
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308 mediaInfo = CMsgVideoInfo::NewL( aFile, aMimeType ); |
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309 break; |
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310 } |
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311 case EMsgMediaAudio: |
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312 { |
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313 mediaInfo = CMsgAudioInfo::NewL( aFile, aMimeType ); |
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314 break; |
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315 } |
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316 case EMsgMediaUnknown: |
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317 default: |
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318 { |
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319 mediaInfo = CMsgMediaInfo::NewL( aFile, aMimeType, mediaType ); |
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320 break; |
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321 } |
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322 } |
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323 |
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324 CleanupStack::PushL( mediaInfo ); |
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325 |
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326 TUid appUid( KNullUid ); |
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327 // Ignore possible error. |
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328 TInt err = iApaLsSession.AppForDataType( aMimeType, appUid ); |
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329 mediaInfo->SetHandlerApplicationUid( appUid ); |
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330 |
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331 HBufC8* drmUri = NULL; |
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332 TInt protection = iFileProt->ProtectionStatusL( aFile, aMimeType, drmUri ); |
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333 mediaInfo->SetProtection( protection ); |
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334 mediaInfo->SetDRMContentURI( drmUri ); // ownership transferred |
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335 |
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336 CleanupStack::Pop( mediaInfo ); |
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337 |
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338 return mediaInfo; |
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339 } |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // CMsgMediaResolver::MediaInfoParsed |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 void CMsgMediaResolver::MediaInfoParsed() |
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346 { |
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347 if ( iWait.IsStarted() ) |
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348 { |
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349 // Stop active wait. |
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350 iWait.AsyncStop(); |
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351 } |
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352 } |
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353 |
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354 // End of File |