author | Simon Howkins <simonh@symbian.org> |
Mon, 15 Nov 2010 14:53:34 +0000 | |
branch | RCL_3 |
changeset 105 | 871af676edac |
parent 94 | 919f36ff910f |
permissions | -rw-r--r-- |
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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 <tconvbase64.h> |
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#include "ResourceHandle.h" |
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#include "ResourceRequest.h" |
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#include "DataConnection.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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|
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// EXTERNAL DATA STRUCTURES |
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// EXTERNAL FUNCTION PROTOTYPES |
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// CONSTANTS |
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_LIT8( KDefaultCharset, "iso-8859-1" ); |
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_LIT8( KDefaultContentType, "text/plain" ); |
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_LIT8( KDataScheme, "data:" ); |
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_LIT8( KContentTypeKey, "content type:" ); |
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_LIT8( KCharsetKey, "charset=" ); |
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// MACROS |
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// LOCAL CONSTANTS AND MACROS |
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// MODULE DATA STRUCTURES |
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// LOCAL FUNCTION PROTOTYPES |
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// FORWARD DECLARATIONS |
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static int s_dataTransactionsCount = 0; |
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using namespace WebCore; |
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DataConnection::DataConnection(ResourceHandle* _handle) : MUrlConnection(_handle) |
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{ |
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s_dataTransactionsCount++; |
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m_scheduler = NULL; |
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m_maxSize = 0; |
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} |
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DataConnection::~DataConnection() |
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{ |
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s_dataTransactionsCount--; |
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if (m_scheduler) { |
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m_scheduler->Cancel(); |
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delete m_scheduler; |
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} |
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} |
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int DataConnection::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 DataConnection::submitL() |
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{ |
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m_scheduler = CPeriodic::NewL( CActive::EPriorityStandard ); |
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m_scheduler->Start( 0, 0, TCallBack( &sendResponseCb, this ) ); |
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} |
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void DataConnection::parseUrlLC(HBufC8*& contentType, HBufC8*& encoding, HBufC8*& body) |
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{ |
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TPtrC8 url = m_handle->request().url().des(); |
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// set content type and content encoding |
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// parse url to get header information |
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// http://www.faqs.org/rfcs/rfc2397.html |
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// 3. Syntax |
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// dataurl := "data:" [ mediatype ] [ ";base64" ] "," data |
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// mediatype := [ type "/" subtype ] *( ";" parameter ) |
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// data := *urlchar |
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// parameter := attribute "=" value |
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// |
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// data:text/plain;charset=iso-8859-7,%be%fg%be |
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TPtrC8 urlPtr8 = m_handle->request().url().des(); |
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TInt colonPos( urlPtr8.Locate( ',' ) ); |
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if( colonPos != KErrNotFound ) { |
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// set header including , |
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TPtrC8 headersStr( urlPtr8.Left( colonPos + 1 ) ); |
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// cut off scheme data: |
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headersStr.Set( headersStr.Mid( KDataScheme().Length() ) ); |
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// check for ;base64 |
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TBool base64( headersStr.Find( _L8( ";base64" ) ) != KErrNotFound ); |
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// check for ; |
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TInt semicolonPos; |
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do { |
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111 |
semicolonPos = headersStr.Locate( ';' ); |
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112 |
// no semicolon means one mediatype. set semiPos to the end of the str |
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113 |
// unless we are at the end of the string |
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114 |
if( headersStr.Length() > 1 ) { |
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semicolonPos = semicolonPos == -1 ? headersStr.Length() - 1 : semicolonPos; |
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116 |
} |
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117 |
if( semicolonPos != -1 ) { |
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118 |
// str = text/plain |
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119 |
TPtrC8 str( headersStr.Left( semicolonPos ) ); |
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120 |
if( str.Locate( '/' ) != KErrNotFound ) { |
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121 |
contentType = str.AllocLC(); |
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122 |
} |
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123 |
else if( str.Find( KCharsetKey ) == 0 ) { |
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124 |
encoding = (str.Mid( KCharsetKey().Length()).AllocLC()); |
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125 |
} |
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126 |
// headersStr = charset=iso-8859-7,%be%fg%be |
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127 |
headersStr.Set( headersStr.Mid( semicolonPos + 1 ) ); |
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128 |
} |
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129 |
} |
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while( semicolonPos != KErrNotFound ); |
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131 |
// simulate header strings |
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132 |
// content type: text/html |
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// charset: iso-8859-1 |
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134 |
if (contentType == NULL) { |
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135 |
contentType = KDefaultContentType().AllocLC(); |
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136 |
} |
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137 |
if (encoding == NULL) { |
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138 |
encoding = KDefaultCharset().AllocLC(); |
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139 |
} |
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140 |
|
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141 |
// make sure there is stuff to decode |
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142 |
if( ( colonPos + 1 ) < urlPtr8.Length() ) { |
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143 |
TBool ok( EFalse ); |
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144 |
TPtrC8 data( urlPtr8.Mid( colonPos + 1 ) ); |
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145 |
// decode body |
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146 |
if( base64 ) { |
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147 |
// allocate twice as big buffer for decoded string |
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body = HBufC8::NewLC( 2 * data.Length() ); |
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149 |
TPtr8 decodedBody( body->Des() ); |
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150 |
// urlPtr8 |
94 | 151 |
TBase64 codec; |
0
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152 |
ok = codec.Decode( data, decodedBody ); |
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153 |
} |
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154 |
if( !ok ) { // if not base64, simple copy |
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155 |
if( !body ) { |
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156 |
body = HBufC8::NewLC( data.Length() ); |
8
7c90e6132015
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157 |
body->Des().Copy( data ); |
0
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158 |
} |
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159 |
} |
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160 |
} |
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161 |
} |
94 | 162 |
if(body != NULL) |
163 |
m_maxSize = body->Length(); |
|
0
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164 |
} |
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165 |
|
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166 |
void DataConnection::cancel() |
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167 |
{ |
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168 |
if (m_scheduler) { |
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169 |
m_scheduler->Cancel(); |
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170 |
delete m_scheduler; |
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171 |
m_scheduler = NULL; |
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172 |
} |
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173 |
} |
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174 |
|
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175 |
void DataConnection::download(WebCore::ResourceHandle* handle, |
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176 |
const WebCore::ResourceRequest& request, |
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177 |
const WebCore::ResourceResponse& response) |
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178 |
{ |
94 | 179 |
// This routine would implement the handling of a sisx file in |
180 |
// <iframe src="data:x-epoc/x-sis-x;base64, ...."> type element |
|
181 |
// This is not yet implemented so the ASSERT below is commented out to prevent |
|
182 |
// an assert crash. |
|
183 |
// __ASSERT_ALWAYS(EFalse, User::Panic(_L("Resource Loader"), KErrArgument)); |
|
0
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184 |
} |
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185 |
|
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186 |
TInt DataConnection::sendResponseCb(TAny* aPtr) |
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187 |
{ |
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188 |
DataConnection* self = static_cast<DataConnection*>(aPtr); |
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189 |
TRAPD(error, self->sendResponseL()); |
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|
190 |
if (error != KErrNone) { |
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|
191 |
CResourceHandleManager::self()->receivedFinished(self->m_handle, error, self); |
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|
192 |
} |
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193 |
return KErrNone; |
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194 |
} |
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|
195 |
|
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|
196 |
void DataConnection::sendResponseL() |
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|
197 |
{ |
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|
198 |
m_scheduler->Cancel(); |
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|
199 |
delete m_scheduler; |
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|
200 |
m_scheduler = NULL; |
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|
201 |
|
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|
202 |
HBufC8* contentType = NULL; |
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|
203 |
HBufC8* encoding = NULL; |
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|
204 |
HBufC8* body = NULL; |
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|
205 |
parseUrlLC(contentType, encoding, body); |
94 | 206 |
if(body != NULL) |
207 |
{ |
|
208 |
ResourceResponse response(m_handle->request().url().des(), contentType->Des(), body->Length(), encoding->Des(), String() ); |
|
209 |
CResourceHandleManager::self()->receivedResponse(m_handle, response, this); |
|
210 |
CResourceHandleManager::self()->receivedData(m_handle, body->Des(), body->Length(), this); |
|
211 |
} |
|
0
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|
212 |
CResourceHandleManager::self()->receivedFinished(m_handle, KErrNone, this); |
94 | 213 |
if(body != NULL) |
214 |
CleanupStack::PopAndDestroy(3); // contentType, encoding, body |
|
215 |
else |
|
216 |
CleanupStack::PopAndDestroy(2); // contentType, encoding |
|
0
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217 |
derefHandle(); |
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|
218 |
} |
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|
219 |
|
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220 |
// end of file |