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/*
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* Copyright (c) 2007-2009 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 "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 for IMAP mail fetcher
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*
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*/
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#include "emailtrace.h"
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#include "cesmrimapmailfetcher.h"
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#include "esmricalviewerutils.h"
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//<cmail>
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#include "cfsmailclient.h"
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#include "cfsmailfolder.h"
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#include "cfsmailmessagepart.h"
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#include "cfsmailcommon.h"
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#include "esmricalvieweropcodes.hrh"
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//</cmail>
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// Unnamed namespace for local definitions
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namespace {
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// Preferred byte count definition
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const TInt KPreferredByteCount(0);
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}
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// ======== MEMBER FUNCTIONS ========
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::CESMRImapMailFetcherCmd
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// ---------------------------------------------------------------------------
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//
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CESMRImapMailFetcherCmd::CESMRImapMailFetcherCmd(
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CFSMailClient& aMailClient,
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CCalSession& aCalSession )
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: CESMRIcalViewerAsyncCommand(
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EESMRFetchMailContent,
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aCalSession ),
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iMailClient( aMailClient )
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{
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FUNC_LOG;
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iResult.iOpType = OperationType();
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iResult.iResultCode = KErrNone;
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::~CESMRImapMailFetcherCmd
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// ---------------------------------------------------------------------------
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//
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CESMRImapMailFetcherCmd::~CESMRImapMailFetcherCmd()
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{
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FUNC_LOG;
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CancelCommand();
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::NewL
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// ---------------------------------------------------------------------------
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//
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CESMRImapMailFetcherCmd* CESMRImapMailFetcherCmd::NewL(
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CFSMailClient& aMailClient,
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CCalSession& aCalSession )
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{
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FUNC_LOG;
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CESMRImapMailFetcherCmd* self =
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new (ELeave) CESMRImapMailFetcherCmd( aMailClient, aCalSession );
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CleanupStack::PushL(self);
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self->ConstructL();
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CleanupStack::Pop(self);
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return self;
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::ConstructL
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// ---------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::ConstructL()
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{
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FUNC_LOG;
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//do nothing
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::FetchMailL
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// ---------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::ExecuteAsyncCommandL()
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{
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FUNC_LOG;
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iResult.iMessage = Message();
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iResult.iOpType = OperationType();
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iResult.iResultCode = KErrNone;
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iMailMessage = Message();
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iResult.iMessage = iMailMessage;
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TBool operationStarted( ETrue );
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TFSPartFetchState messageLoadState( iMailMessage->FetchLoadState() );
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if ( EFSEmailStructureUnknown == messageLoadState )
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{
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// Message structure needs to be fetched first
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// After structure is fetched, then message parts can be fetched
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// When structure fetching is completed, part fetching is triggered
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// automatically
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FetchMessageStructureL();
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}
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else
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{
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// Message structure is already known --> Part can be fetched
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// Wait operation is started if part needs to fetched.
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operationStarted = FetchMessageContentsL();
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}
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if ( !operationStarted )
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{
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NotifyCompletion();
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}
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::CancelAsyncCommand
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// ---------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::CancelAsyncCommand()
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{
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FUNC_LOG;
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if ( EIdle != iState )
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{
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TRAP_IGNORE( iMailClient.CancelAllL() );
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iResult.iResultCode = KErrCancel;
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Observer()->OperationError( iResult );
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}
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}
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// ---------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::RequestResponseL
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// ---------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::RequestResponseL(
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TFSProgress aEvent,
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TInt aRequestId )
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{
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FUNC_LOG;
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TRAPD( err, HandleRequestResponseL(aEvent, aRequestId) );
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if ( KErrNone != err )
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{
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// Error occured --> Cancel operations
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iResult.iResultCode = err;
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NotifyCompletion();
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}
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}
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// -----------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::FetchMessageStructureL
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// -----------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::FetchMessageStructureL()
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{
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FUNC_LOG;
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TFSMailMsgId currentMailboxId =
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iMailMessage->GetMailBoxId();
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TFSMailMsgId currentMessageFolderId =
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iMailMessage->GetFolderId();
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CFSMailFolder* currentFolder =
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iMailClient.GetFolderByUidL(
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currentMailboxId,
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currentMessageFolderId );
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CleanupStack::PushL( currentFolder );
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iState = EFetchingStructure;
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RArray<TFSMailMsgId> messageIds;
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CleanupClosePushL( messageIds );
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messageIds.Append( iMailMessage->GetMessageId() );
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iStructureRequestId =
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currentFolder->FetchMessagesL(
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messageIds,
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EFSMsgDataStructure,
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*this );
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CleanupStack::PopAndDestroy();//messageIds
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CleanupStack::PopAndDestroy( currentFolder );
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}
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// -----------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::FetchMessageContentsL
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// -----------------------------------------------------------------------------
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//
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TBool CESMRImapMailFetcherCmd::FetchMessageContentsL()
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{
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FUNC_LOG;
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TBool operationStarted( EFalse );
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CFSMailMessagePart* calendarPart = ESMRIcalViewerUtils::LocateCalendarPartL( *iMailMessage );
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if ( !calendarPart )
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{
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// message does not contain calendar part at all
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iResult.iResultCode = KErrNotFound;
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return operationStarted;
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}
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CleanupStack::PushL( calendarPart );
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TFSPartFetchState partLoadState( calendarPart->FetchLoadState() );
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if ( EFSFull != partLoadState )
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{
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// part is not fetched to device
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iMessagePartRequestId =
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calendarPart->FetchMessagePartL(
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calendarPart->GetPartId(),
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*this,
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KPreferredByteCount );
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iState = EFetchingContents;
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operationStarted = ETrue;
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}
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CleanupStack::PopAndDestroy( calendarPart );
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calendarPart = NULL;
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return operationStarted;
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}
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// -----------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::FetchMessageContentsL
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// -----------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::HandleRequestResponseL(
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TFSProgress aEvent,
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TInt /*aRequestId*/ )
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{
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FUNC_LOG;
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TBool operationStarted( EFalse );
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if ( /*aRequestId == iStructureRequestId && */
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EFetchingStructure == iState )
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{
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// Fetching message structure
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switch ( aEvent.iProgressStatus )
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{
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case TFSProgress::EFSStatus_RequestComplete:
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{
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// Starting part fetching
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operationStarted = FetchMessageContentsL();
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iResult.iResultCode = aEvent.iError;
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}
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break;
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case TFSProgress::EFSStatus_RequestCancelled:
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{
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// Error occured during fetch operation
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iResult.iResultCode = KErrCancel;
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}
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break;
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default:
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break;
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}
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}
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if ( !operationStarted )
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{
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NotifyCompletion();
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}
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}
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// -----------------------------------------------------------------------------
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// CESMRImapMailFetcherCmd::NotifyCompletion
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// -----------------------------------------------------------------------------
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//
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void CESMRImapMailFetcherCmd::NotifyCompletion()
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{
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FUNC_LOG;
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if ( KErrNone == iResult.iResultCode )
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{
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Observer()->OperationCompleted( iResult );
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}
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else
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{
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Observer()->OperationError( iResult );
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}
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}
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// EOF
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