messagingapp/msgui/appengine/src/conversationsengine_p.cpp
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/*
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* Copyright (c) 2008 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:  
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*
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*/
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#include "conversationsengine_p.h"
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//SYSTEM INCLUDES
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#include <ccsconversationentry.h>
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#include <ccsclientconversation.h>
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//USER INCLUDES
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#include "conversationsenginedefines.h"
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#include "conversationmsgstorehandler.h"
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#include "conversationssummarymodel.h"
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#include "conversationsmodel.h"
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#include "conversationchangehandler.h"
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#include "conversationlistchangehandler.h"
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#include "debugtraces.h"
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//CONSTANTS
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/**
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 *Max number of conversation that can be exchanged in IPC call
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 */
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const TInt KMaxConversationIPCLimit =  250;
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::ConversationsEnginePrivate
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// @see header
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//---------------------------------------------------------------
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ConversationsEnginePrivate::ConversationsEnginePrivate(
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    ConversationMsgStoreHandler* conversationMsgStoreHandler,
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    ConversationsSummaryModel *conversationsSummaryModel,
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    ConversationsModel *conversationsModel
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    ):mServer(NULL),
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    mClientConv(NULL),
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    mConversationMsgStoreHandler(conversationMsgStoreHandler),
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    mConversationsSummaryModel(conversationsSummaryModel),
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    mConversationsModel(conversationsModel)
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{
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        initL();
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::~ConversationsEnginePrivate
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// @see header
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//---------------------------------------------------------------
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ConversationsEnginePrivate::~ConversationsEnginePrivate()
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{
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    if( mClientConv )
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    {        
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        if(mServer && mConvChangeHandler)
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        {    
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        TRAP_IGNORE(mServer->RemoveConversationChangeEventL(
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                mConvChangeHandler,mClientConv));
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        }
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        delete mClientConv;
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        mClientConv = NULL;
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    }
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    if(mServer && mConvListChangeHandler)
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    {
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        TRAP_IGNORE(mServer->RemoveConversationListChangeEventL(
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                mConvListChangeHandler));
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        TRAP_IGNORE(mServer->RemoveResultsEventL ( this ));
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        mServer->Cancel();
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        delete mServer;
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        mServer = NULL;
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    }
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    delete mConvChangeHandler;
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    delete mConvListChangeHandler;
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::initL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::initL()
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{
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    mServer = CCSRequestHandler::NewL();
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    //Add results observer to the server
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    mServer->RequestResultsEventL(this);
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    //Fetch the conversation list from server
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    mServer->GetConversationListL();    
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    mConvChangeHandler = new ConversationsChangeHandler(this,
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        mConversationsModel);
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    mConvListChangeHandler = new ConversationsListChangeHandler(this,
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        mConversationsSummaryModel);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::registerForConversationListUpdatesL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::registerForConversationListUpdatesL()
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{
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    //Add ConversationListChange Observer
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    mServer->RequestConversationListChangeEventL (mConvListChangeHandler);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::getConversationsL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::getConversationsL( TInt aConversationId)
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{	
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    if(!mClientConv)
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    {
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        QCRITICAL_WRITE("ConversationsEnginePrivate::getConversationsL start.");
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        //Clear the model before issueing fetch
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        mConversationsModel->clear();
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        //create a client conversation
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        mClientConv = CCsClientConversation::NewL();
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        mClientConv->SetConversationEntryId(aConversationId);
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        //set dummy entry
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        CCsConversationEntry *entry = CCsConversationEntry::NewL();
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        CleanupStack::PushL(entry);
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        mClientConv->SetConversationEntryL(entry);
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        CleanupStack::PopAndDestroy(entry);
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        // Reset the values in change handler before initiating a request
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        mConvChangeHandler->ResetValuesForNewConversation();
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        //Get the conversations for new conversationId 
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        mServer->GetConversationsL(mClientConv,0,KMaxConversationIPCLimit);
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        QCRITICAL_WRITE("ConversationsEnginePrivate::getConversationsL end.");
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        }   
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::deleteConversationL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::deleteConversationL(TInt aConversationId)
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{
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    mServer->DeleteConversationL(aConversationId);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::deleteMessages
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::deleteMessages(RArray<TInt>& aIdArray)
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{
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    mConversationMsgStoreHandler->DeleteMessages(aIdArray);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::deleteallDraftMessages
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::deleteAllDraftMessagesL()
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{
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    mConversationMsgStoreHandler->DeleteAllDraftMessagesL();
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::markConversationReadL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::markConversationReadL(TInt aConversationId)
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{
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    mServer->MarkConversationReadL(aConversationId);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::markMessagesReadL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::markMessagesReadL(RArray<TInt>& aIdArray)
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{
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    mConversationMsgStoreHandler->MarkMessagesReadL(aIdArray);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::getConversationCurrentId
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// @see header
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//---------------------------------------------------------------
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TInt ConversationsEnginePrivate::getConversationCurrentId()
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{
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    TInt convId = -1;
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    if(mClientConv)
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    {
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        convId = mClientConv->GetConversationEntryId();    
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    }
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    return convId;
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::getConversationIdFromContactId
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// @see header
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//---------------------------------------------------------------
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TInt ConversationsEnginePrivate::getConversationIdFromContactIdL(TInt contactId)
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{
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    TInt convId = -1;
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    convId = mServer->GetConversationIdL(contactId);
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    return convId;
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::getConversationIdFromAddress
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// @see header
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//---------------------------------------------------------------
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TInt ConversationsEnginePrivate::getConversationIdFromAddressL(TDesC& contactAddress)
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{
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    TInt convId = -1;
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    convId = mServer->GetConversationIdFromAddressL(contactAddress);
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    return convId;
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::getConversationFromConversationId
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// @see header
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//---------------------------------------------------------------
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CCsClientConversation* ConversationsEnginePrivate::getConversationFromConversationIdL(TInt aConversationId)
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{
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     return mServer->GetConversationFromConversationIdL(aConversationId);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::clearConversationsL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::clearConversationsL()
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{    
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    QCRITICAL_WRITE("ConversationsEnginePrivate::clearConversationsL start.");
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    mConvChangeHandler->Cancel();
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    //Clear conversations model before populating with new data 
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    mConversationsModel->clearModel();
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    // Delete old CCsClientConversation object 
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    // Remove the old Conversation change observer
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    if(mClientConv)
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    {   
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        int error = KErrNone;
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        TRAP(error, mServer->RemoveConversationChangeEventL (mConvChangeHandler ,mClientConv));
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        delete mClientConv;
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        mClientConv = NULL;
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        User::LeaveIfError(error);
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    }
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    QCRITICAL_WRITE("ConversationsEnginePrivate::clearConversationsL end.");
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::registerForConversationUpdatesL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::registerForConversationUpdatesL()
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{
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    //Add the Conversation Change for new  conversationId
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    if(mClientConv)
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    {    
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    mServer->RequestConversationChangeEventL (mConvChangeHandler ,mClientConv);
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    }
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::deRegisterCVUpdatesTemporary
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::deRegisterCVUpdatesTemporary()
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{
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    mServer->RemoveConversationChangeEventL (mConvChangeHandler ,mClientConv);
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::registerAgainForConversationUpdatesL
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::registerAgainForConversationUpdatesL(
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        int newConversationId)
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{
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    //Add the Conversation Change for new  conversationId
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    if(mClientConv)
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    {    
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    mClientConv->SetConversationEntryId(newConversationId);
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    mServer->RequestConversationChangeEventL (mConvChangeHandler ,mClientConv);
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    }
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::ConversationList
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::ConversationList(
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    RPointerArray<CCsClientConversation>& aClientConversationList)
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{
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    int error;
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    TRAP(error,
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        mConvListChangeHandler->ConversationListL(aClientConversationList));
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::Conversations
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::Conversations(
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    RPointerArray<CCsConversationEntry>& aConversationEntryList,
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    TInt& aTotalCount)
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{
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    int error;
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    if (mClientConv)
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        {
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        QCRITICAL_WRITE("ConversationsEnginePrivate::Conversations start.");
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        TRAP(error,mConvChangeHandler->ConversationsL(aConversationEntryList,aTotalCount));
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        QCRITICAL_WRITE("ConversationsEnginePrivate::Conversations end.");
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        }
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}
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//---------------------------------------------------------------
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// ConversationsEngine::fetchMoreConversations
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::fetchMoreConversations()
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{
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    if (mClientConv)
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        {
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        mConvChangeHandler->restartHandleConversations();
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        }
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}
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//---------------------------------------------------------------
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// ConversationsEngine::fetchRemainingConversations
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// @see header
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//---------------------------------------------------------------
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void ConversationsEnginePrivate::fetchRemainingConversations(TInt& aCount)
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    {
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    if ( mServer && mClientConv )
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            {
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            // Get conversations from server
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             mServer->GetConversationsL(mClientConv, 
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                     (aCount - 1),
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                    KMaxConversationIPCLimit);
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            }
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    }
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::resendMessage()
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// @see header
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//---------------------------------------------------------------
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bool ConversationsEnginePrivate::resendMessage(TMsvId messageId)
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{
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    TInt err = KErrNone;
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    bool retval = true;
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    TRAP(err, retval = mConversationMsgStoreHandler->ResendMessageL(messageId));
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    return ((err == KErrNone) && (retval == true))?true:false;
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}
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//---------------------------------------------------------------
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// ConversationsEnginePrivate::downloadMessage
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// @see header
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//---------------------------------------------------------------
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TInt ConversationsEnginePrivate::downloadMessage(TMsvId messageId)
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{
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    TInt err = KErrNone;
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    TInt retval = KErrNone;
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    TRAP(err, retval = 
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            mConversationMsgStoreHandler->DownloadMessageL(messageId));
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    if( err!=KErrNone)
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    {
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        retval = KErrGeneral;
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   390
    }
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    return retval;
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}
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   394
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   395
//---------------------------------------------------------------
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// ConversationsEnginePrivate::downloadOperationSupported()
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// @see header
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//---------------------------------------------------------------
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   399
bool ConversationsEnginePrivate::downloadOperationSupported(TMsvId messageId)
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   400
{
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   401
  return mConversationMsgStoreHandler->DownloadOperationSupported(messageId);   
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   402
}
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//EOF
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   404