author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:44:50 +0200 | |
branch | RCL_3 |
changeset 59 | 1f3c3f2f5b0a |
parent 38 | 6297cdf66332 |
child 65 | 5bfc169077b2 |
child 93 | 79859ed3eea9 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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#include <f32file.h> |
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#include <uri8.h> |
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#include <EscapeUtils.h> |
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#include <apmrec.h> |
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#include <apgcli.h> |
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#include "ResourceHandle.h" |
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#include "FileConnection.h" |
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#include "FileReader.h" |
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#include "ResourceHandleManagerSymbian.h" |
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#include "StaticObjectsContainer.h" |
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#include "ResourceRequest.h" |
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#include <brctlspecialloadobserver.h> |
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#include "brctl.h" |
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#include "DeprecatedString.h" |
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#include <PluginHandler.h> |
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const TInt KFileReadChunkSize = 23920; // bytes |
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_LIT8( KResLoaderUCS2, "iso-10646-ucs-2" ); |
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_LIT8( KResLoaderWapWmlc, "application/vnd.wap.wmlc" ); |
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static int s_fileTransactionsCount = 0; |
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using namespace WebCore; |
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FileConnection::FileConnection(ResourceHandle* _handle) : MUrlConnection(_handle) |
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{ |
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m_fileName = 0; |
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m_fileReader = 0; |
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s_fileTransactionsCount++; |
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m_chunkIndex = 0; |
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m_charset = 0; |
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m_contentType = 0; |
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} |
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FileConnection::~FileConnection() |
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{ |
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s_fileTransactionsCount--; |
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delete m_fileName; |
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delete m_fileReader; |
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delete m_charset; |
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delete m_contentType; |
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m_file.Close(); |
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} |
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int FileConnection::submit() |
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{ |
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TRAPD(error, submitL()); |
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return error; |
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} |
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void FileConnection::submitL() |
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{ |
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TPtrC8 urlPtr( m_handle->request().url().des() ); |
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m_fileName = parseFileNameLC( urlPtr ); |
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int submited; |
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if( m_fileName ) { |
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CleanupStack::Pop(); // m_fileName |
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submited = m_file.Open( StaticObjectsContainer::instance()->fsSession(), *m_fileName, EFileRead|EFileShareReadersOnly ); |
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if( submited == KErrNone ) { |
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// set content max size info |
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TInt fileSize; |
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// ignore return value |
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m_file.Size( fileSize ); |
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m_maxSize = fileSize; |
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// schedule a file read |
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m_fileReader = CFileReader::NewL( m_file, KFileReadChunkSize, this ); |
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m_fileReader->StartReading(); |
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} |
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} |
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else { |
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submited = KErrArgument; |
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} |
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User::LeaveIfError(submited); |
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} |
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// ----------------------------------------------------------------------------- |
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// FileConnection::parseFileNameLC |
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// Translate the file name from a URL to a valid file name in the system. |
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// ----------------------------------------------------------------------------- |
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// |
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HBufC* FileConnection::parseFileNameLC(const TDesC8& aUrl ) |
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{ |
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|
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//if url has mix of \ and / chars the parser gets confused in extracting the host and the path. |
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HBufC8* url = HBufC8::New( aUrl.Length() ); |
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url->Des().Copy( aUrl ); |
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TPtr8 urlPtr( url->Des() ); |
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for( TInt i = 0; i < urlPtr.Length(); i++ ) { |
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if( urlPtr[ i ] == '\\' ) { |
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108 |
urlPtr[ i ] = '/'; |
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109 |
} |
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110 |
} |
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111 |
|
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TInt status; |
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113 |
TUriParser8 parser; |
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HBufC8* fileName = NULL; |
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status = parser.Parse( urlPtr ); |
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116 |
if( status == KErrNone ) { |
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// this must be the drive letter |
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TPtrC8 host = parser.Extract( EUriHost ); |
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TPtrC8 path = parser.Extract( EUriPath ); |
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120 |
// add missing ":" |
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121 |
fileName = HBufC8::NewLC( (host.Length()?host.Length()+1:0) + path.Length() ); |
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122 |
TPtr8 fileNamePtr( fileName->Des() ); |
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123 |
if( host.Length() == 1 ) { |
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124 |
// fix c to c: |
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125 |
fileNamePtr.Copy( host ); |
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126 |
fileNamePtr.Append( _L(":") ); |
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127 |
} |
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128 |
else { |
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129 |
// according to symbian uri parser in case of |
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// file:///c:\foo.html |
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// host: /c:\foo.html |
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// path: /c:\foo.html |
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133 |
// remove: / from the begenning of the path |
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if( path.Length() > 2 && path[0] == '/' && path[2] == ':' ) { |
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135 |
// move pointer from "/c:\" to "c:\" |
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path.Set( path.Mid( 1 ) ); |
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137 |
} |
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138 |
} |
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HBufC8* fileUriPath = NULL; |
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TRAP_IGNORE(fileUriPath = EscapeUtils::EscapeDecodeL(path)); |
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141 |
if (fileUriPath) { |
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142 |
fileNamePtr.Append(*fileUriPath); |
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143 |
} |
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144 |
else { |
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145 |
fileNamePtr.Append( path ); |
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146 |
} |
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147 |
delete fileUriPath; |
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148 |
// fix slashes |
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149 |
for( TInt i = 0; i < fileNamePtr.Length(); i++ ) { |
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150 |
if( fileNamePtr[ i ] == '/' ) { |
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151 |
fileNamePtr[ i ] = '\\'; |
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152 |
} |
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153 |
} |
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154 |
} |
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155 |
HBufC* fileName16 = NULL; |
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156 |
if( fileName ) { |
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157 |
fileName16 = HBufC::NewL( fileName->Length() ); |
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158 |
fileName16->Des().Copy( *fileName ); |
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159 |
CleanupStack::PopAndDestroy(); // filename |
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160 |
CleanupStack::PushL( fileName16 ); |
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161 |
} |
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162 |
delete url; |
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163 |
return fileName16; |
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164 |
} |
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165 |
|
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166 |
void FileConnection::cancel() |
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167 |
{ |
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168 |
if( m_fileReader ) { |
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169 |
m_fileReader->StopReading(); |
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170 |
complete( KErrCancel ); |
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171 |
} |
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172 |
} |
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173 |
|
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174 |
void FileConnection::download(WebCore::ResourceHandle* handle, |
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175 |
const WebCore::ResourceRequest& request, |
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176 |
const WebCore::ResourceResponse& response) |
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177 |
{ |
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178 |
// stop reading and close the file |
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179 |
m_fileReader->StopReading(); |
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180 |
m_cancelled = true; |
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181 |
m_file.Close(); |
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182 |
// send data to the host application |
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183 |
MBrCtlSpecialLoadObserver* loadObserver = StaticObjectsContainer::instance()->brctl()->brCtlSpecialLoadObserver(); |
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184 |
if(loadObserver) { |
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185 |
RArray<TUint> typeArray; |
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186 |
CDesCArrayFlat* desArray = new (ELeave) CDesCArrayFlat(4); |
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187 |
CleanupStack::PushL(desArray); |
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188 |
// |
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189 |
HBufC* url = HBufC::NewLC(handle->request().url().url().length()); |
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190 |
url->Des().Copy(handle->request().url().des()); |
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191 |
typeArray.Append(EParamRequestUrl); |
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192 |
desArray->AppendL(*url); |
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193 |
|
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194 |
typeArray.Append(EParamCharset); |
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195 |
desArray->AppendL(*m_charset); |
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196 |
|
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197 |
typeArray.Append(EParamReceivedContentType); |
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198 |
desArray->AppendL(*m_contentType); |
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199 |
|
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200 |
typeArray.Append(EParamLocalFileName); |
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201 |
desArray->AppendL(*m_fileName); |
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202 |
// |
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203 |
loadObserver->HandleDownloadL(&typeArray, desArray); |
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204 |
// |
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205 |
typeArray.Close(); |
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206 |
desArray->Reset(); |
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207 |
CleanupStack::PopAndDestroy(2); // desArray, url |
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208 |
} |
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209 |
} |
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210 |
|
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211 |
// ----------------------------------------------------------------------------- |
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212 |
// FileConnection::contentTypeL |
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213 |
// Determine the content type of the file. |
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214 |
// ----------------------------------------------------------------------------- |
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215 |
HBufC8* FileConnection::contentTypeL() |
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216 |
{ |
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217 |
TPtrC8 contentTypePtr; |
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HBufC8* contentType = NULL; |
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TDataRecognitionResult dataType; |
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RApaLsSession apaSession; |
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TInt ret; |
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|
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User::LeaveIfError( apaSession.Connect() ); |
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// Ask the application architecture to find the file type |
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TPtrC8 chunkPtr; |
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|
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m_fileReader->GetChunkBuffer( chunkPtr ); |
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ret = apaSession.RecognizeData( m_fileName->Des(), chunkPtr, dataType ); |
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apaSession.Close(); |
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|
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if( ret == KErrNone && |
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( dataType.iConfidence == CApaDataRecognizerType::ECertain ) || |
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( dataType.iConfidence == CApaDataRecognizerType::EProbable ) ) { |
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// If the file type was found, try to match it to a known file type |
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contentTypePtr.Set( dataType.iDataType.Des8() ); |
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} |
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else { |
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// extensions |
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_LIT( KCssExt, ".css" ); |
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_LIT(KWbmpExt, ".wbmp"); |
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_LIT(KEcmaScriptExt, ".es"); |
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_LIT(KJavaScriptExt, ".js"); |
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243 |
|
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TPtrC extPtr( m_fileName->Right( m_fileName->Length() - m_fileName->LocateReverse('.') ) ); |
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|
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if( extPtr.CompareF( KCssExt() ) == 0 ) { |
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contentTypePtr.Set( _L8( "text/css" ) ); |
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} |
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else if( extPtr.CompareF( KWbmpExt() ) == 0 ) { |
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contentTypePtr.Set( _L8( "image/vnd.wap.wbmp" ) ); |
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} |
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else if( extPtr.CompareF( KEcmaScriptExt() ) == 0 || |
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extPtr.CompareF( KJavaScriptExt() ) == 0 ) { |
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contentTypePtr.Set( _L8( "text/ecmascript" ) ); |
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} |
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else { |
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// Symbian/S60 may not be aware of the MIMEType for the given extension |
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// Need to query from Plugin handler if there exists a plugin which supports this extension. |
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return contentTypeFromPluginsL(); |
0
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} |
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} |
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if( contentTypePtr.Length() ) { |
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contentType = HBufC8::NewL( contentTypePtr.Length() ); |
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contentType->Des().Copy( contentTypePtr ); |
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} |
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return contentType; |
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} |
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|
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HBufC8* FileConnection::contentTypeFromPluginsL() |
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{ |
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HBufC8* contentType = NULL; |
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|
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// Get PluginHandler from StaticObjectsContainer |
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PluginHandler* plg = StaticObjectsContainer::instance()->pluginHandler(); |
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|
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// Convert filename16 to filename8 required for pluginMimeByExtention(TPtrC8&) |
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HBufC8* filename = HBufC8::NewLC(m_fileName->Length()); |
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filename->Des().Copy(m_fileName->Des()); |
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|
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// Query MIMEtype for an extension from PluginHandler |
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HBufC* mimeTypePtr = plg->pluginMimeByExtention(filename->Des()); |
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|
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CleanupStack::PopAndDestroy(); //filename |
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|
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if (mimeTypePtr) { |
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// Coversion from mimeType16 to mimeType8 |
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contentType = HBufC8::NewL(mimeTypePtr->Length()); |
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contentType->Des().Copy(mimeTypePtr->Des()); |
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} |
0
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return contentType; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// FileConnection::contentEncoding |
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// Determine the content encoding of the file. |
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// ----------------------------------------------------------------------------- |
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// |
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TPtrC8 FileConnection::contentEncoding(const TDesC8& aContentTypeString ) const |
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{ |
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// Assume Latin-1 for xhtml and html. ucs2 for any other |
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TPtrC8 charset( KNullDesC8 ); |
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|
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TPtrC8 httpAppString( KResLoaderWapWmlc ); |
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TPtrC8 contentString( aContentTypeString ); |
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|
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// Is the contentType a HTTP_application_vnd_wap_wmlc_string |
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TUint index = contentString.FindF( httpAppString ); |
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if( index == 0 ) { |
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// This is a HTTP_application_vnd_wap_wmlc_string |
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charset.Set( KResLoaderUCS2 ); |
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} |
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return charset; |
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} |
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|
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void FileConnection::response() |
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{ |
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TRAPD(error, responseL()); |
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if (error) { |
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complete(error); |
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} |
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} |
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|
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void FileConnection::responseL() |
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{ |
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if (m_chunkIndex == 0 ) { |
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HBufC8* contentType = contentTypeL(); |
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if( contentType ) { |
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m_contentType = HBufC::NewL(contentType->Length()); |
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m_contentType->Des().Copy(*contentType); |
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TPtrC8 contentEncodingPtr( contentEncoding( contentType->Des() ) ); |
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ResourceResponse response(m_handle->request().url().des(), contentType->Des(), m_maxSize, contentEncodingPtr, String() ); |
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const TDesC& charset = response.textEncodingName().des(); |
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m_charset = charset.AllocL(); |
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response.setHTTPStatusCode(200); |
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CResourceHandleManager::self()->receivedResponse(m_handle, response, this); |
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} |
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delete contentType; |
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} |
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// If it is not Browser content, reading the file is canceled in FileConnection::download(). |
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if (!m_cancelled) { |
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TPtrC8 chunkPtr; |
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m_fileReader->GetChunkBuffer( chunkPtr ); |
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m_chunkIndex++; |
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CResourceHandleManager::self()->receivedData(m_handle, chunkPtr, m_maxSize, this); |
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} |
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} |
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void FileConnection::complete(int error) |
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{ |
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CResourceHandleManager::self()->receivedFinished(m_handle, error, this); |
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derefHandle(); |
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} |
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// end of file |