author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 24 Sep 2009 12:53:48 +0300 | |
changeset 17 | c8a366e56285 |
parent 0 | dd21522fd290 |
child 67 | 4917f9bf7995 |
child 68 | 92a765b5b3e7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Implementation of HttpPostDataSupplier |
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* |
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*/ |
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// INCLUDE FILES |
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#include "config.h" |
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#include <e32std.h> |
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#include <e32base.h> |
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#include "HttpPostDataSupplier.h" |
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#include "PostDataItem.h" |
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#include "FormData.h" |
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#include "brctl.h" |
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using namespace WebCore; |
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// EXTERNAL DATA STRUCTURES |
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// EXTERNAL FUNCTION PROTOTYPES |
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// CONSTANTS |
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// The post is transmitted in parts. A buffer is allocated of max size to |
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// contain the next part to be transmitted. |
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const TInt KPartMaxSize = 10240; |
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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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// ============================= LOCAL FUNCTIONS =============================== |
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// ============================ MEMBER FUNCTIONS =============================== |
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void HttpPostDataSupplier::initL(FormData* formData) |
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{ |
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m_firstPart = true; |
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m_lastPart = false; |
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m_dataPart = NULL; |
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m_totalSize = 0; |
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m_postItemIndex = 0; |
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m_refCount = 0; |
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PostDataItem* postDataItem = NULL; |
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//iterate thru the post items and create CPostDataItem instance for each data |
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size_t n = formData->elements().size(); |
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for (size_t index = 0; index < n; ++index) { |
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const FormDataElement& formDataElement = formData->elements()[index]; |
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if (formDataElement.m_type == FormDataElement::data) { |
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postDataItem = new (ELeave) PostDataItem; |
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// No CleanupStack support for a class that is not based on CBase. |
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m_postData.append(postDataItem); |
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postDataItem->initL(&formDataElement); |
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} |
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else { |
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ASSERT(formDataElement.m_type == FormDataElement::encodedFile); |
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// if a file read failed, just ignore the form element and instead |
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// post rest of the content |
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postDataItem = new(ELeave) FileDataItem; |
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m_postData.append(postDataItem); |
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TRAPD(error, postDataItem->initL(&formDataElement)); |
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if (error != KErrNone) { |
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m_postData.removeLast(); |
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delete postDataItem; |
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if(error == KErrNoMemory) { |
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User::Leave(error); |
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} |
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continue; |
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} |
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} |
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// get the size of the data and add to the total size |
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m_totalSize += postDataItem->pendingContentSize(); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::HttpPostDataSupplier |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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// |
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HttpPostDataSupplier::HttpPostDataSupplier(RHTTPTransaction* transaction, CBrCtl* brctl) |
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:m_transaction(transaction), m_brctl(brctl) |
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{ |
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} |
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HttpPostDataSupplier::~HttpPostDataSupplier() |
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{ |
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deleteAllValues(m_postData); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::ReleaseData |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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void HttpPostDataSupplier::ReleaseData() |
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{ |
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delete m_dataPart; |
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m_dataPart = NULL; |
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if(!m_lastPart) { |
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TRAP_IGNORE(m_transaction->NotifyNewRequestBodyPartL()); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::OverallDataSize |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt HttpPostDataSupplier::OverallDataSize() |
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{ |
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return m_totalSize; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::OverallDataSize |
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// |
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// ----------------------------------------------------------------------------- |
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// |
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TInt HttpPostDataSupplier::Reset() |
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{ |
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m_firstPart = true; |
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m_postItemIndex = 0; |
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m_lastPart = false; |
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//iterate thru the post items and create CPostDataItem instance for each data |
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size_t n = m_postData.size(); |
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for (int index = 0 ; index < m_postData.size(); index++) { |
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PostDataItem* postDataItem = m_postData[index]; |
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postDataItem->reset(); |
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} |
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delete m_dataPart; |
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m_dataPart = NULL; |
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return KErrNone; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::getNextDataPartL |
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// Accessor function to the request body. Return the body in one chunk. |
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// ----------------------------------------------------------------------------- |
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// |
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void HttpPostDataSupplier::getNextDataPartL(TPtrC8& aDataPart) |
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{ |
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if(m_totalSize > KPartMaxSize && m_firstPart /*&& iBrCtlLoadEventObserver*/) { |
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m_brctl->HandleBrowserLoadEventL( |
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TBrCtlDefs::EEventUploadStart, m_totalSize / 1000, 0) ; |
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m_firstPart = false; |
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} |
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// release previous part if it is still valid |
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delete m_dataPart; |
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m_dataPart = NULL; |
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int partSize = 0; |
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int partPostItems = m_postItemIndex; |
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// find out the amount of memory that needs to be allocated for this part |
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while (partPostItems < m_postData.size()) { |
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PostDataItem* postDataItem = m_postData[partPostItems]; |
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if((partSize += postDataItem->pendingContentSize()) > KPartMaxSize ) { |
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partSize = KPartMaxSize; |
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break; |
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183 |
} |
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partPostItems++; |
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185 |
} |
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// read the content of the items |
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m_dataPart = HBufC8::NewL(partSize); |
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for (int index = m_postItemIndex; index < m_postData.size() && index <= partPostItems; index++) { |
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PostDataItem* postDataItem = m_postData[index]; |
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HBufC8* itemContent = postDataItem->dataL(partSize - m_dataPart->Length()); |
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m_dataPart->Des().Append( *itemContent ); |
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delete itemContent; |
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193 |
} |
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// if all the items have been read |
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if(partPostItems == m_postData.size()) { |
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m_lastPart = true; |
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} |
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else { |
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// if the last part has more data to be posted , set m_postItemIndex to that index else advance the index |
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if(m_postData[partPostItems]->pendingContentSize()) { |
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m_postItemIndex = partPostItems; |
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202 |
} |
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// advance to the next item |
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else { |
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205 |
m_postItemIndex = partPostItems + 1; |
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206 |
} |
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207 |
} |
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aDataPart.Set(m_dataPart->Des()); |
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209 |
if(m_totalSize > KPartMaxSize) { |
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210 |
if(!m_lastPart) { |
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211 |
m_brctl->HandleBrowserLoadEventL( |
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TBrCtlDefs::EEventUploadIncrement, aDataPart.Length()/1000, 0) ; |
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213 |
} |
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214 |
else { |
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215 |
m_brctl->HandleBrowserLoadEventL( |
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TBrCtlDefs::EEventUploadFinished, aDataPart.Length()/1000, 0) ; |
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217 |
} |
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218 |
} |
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} |
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// ----------------------------------------------------------------------------- |
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// HttpPostDataSupplier::GetNextDataPart |
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// Accessor function to the request body. Return the body in one chunk. |
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// ----------------------------------------------------------------------------- |
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// |
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TBool HttpPostDataSupplier::GetNextDataPart(TPtrC8& aDataPart) |
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{ |
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if(!m_lastPart) { |
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TRAP_IGNORE( getNextDataPartL(aDataPart)); |
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// TODO:how should the error be handled ????, should the transaction be cancelled |
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} |
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else { |
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aDataPart.Set(KNullDesC8); |
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} |
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return m_lastPart; |
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} |
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|
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// End of File |