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/*
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* Copyright (c) 2007-2008 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: container class for im messages
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*
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*/
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#include "cimcvenginechatcontainer.h"
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#include "cimcvenginemessagecontainer.h"
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#include "mimcvenginenewmsgobserver.h"
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#include "mimcvenginemessage.h"
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#include <hal.h>
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#include "imcvlogger.h"
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#include "mimcvenginechatlistobserver.h"
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#include <hal.h>
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const TInt KMinAvailableMemory = 0x32000; // 200kb
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::CIMCVEngineChatContainer
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CIMCVEngineChatContainer::CIMCVEngineChatContainer(TInt aServiceId):
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iServiceId( aServiceId )
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{
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::CIMCVEngineChatContainer
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CIMCVEngineChatContainer::~CIMCVEngineChatContainer()
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{
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iChatContainer.ResetAndDestroy();
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iSendContainer.ResetAndDestroy();
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iNewMsgObserver = NULL;
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iChatListObservers.Reset();
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::NewL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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CIMCVEngineChatContainer* CIMCVEngineChatContainer::NewL(TInt aServiceId)
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{
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CIMCVEngineChatContainer* self =
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new ( ELeave ) CIMCVEngineChatContainer(aServiceId);
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return self;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::MessageReadInterfaceL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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MIMCVEngineMessageReadInterface& CIMCVEngineChatContainer::MessageReadInterfaceL(
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TInt aServiceId,
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const TDesC& aTargetId,
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const TDesC& aDisplayName,
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const TDesC8& aContactLink,
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MIMCVEngineMessageReadInterface::TContainerType aType )
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{
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return *ChatL( ChatL( aServiceId, aTargetId,aDisplayName,aContactLink,aType ) );
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::MessageWriteInterfaceL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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MIMCVEngineMessageWriteInterface& CIMCVEngineChatContainer::MessageWriteInterfaceL(
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TInt aServiceId,
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const TDesC& aTargetId,
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const TDesC& aDisplayName,
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const TDesC8& aContactLink,
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MIMCVEngineMessageReadInterface::TContainerType aType )
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{
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return *ChatL( ChatL( aServiceId, aTargetId, aDisplayName, aContactLink , aType ) );
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::DeleteChatL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CIMCVEngineChatContainer::DeleteChatL(
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TInt aServiceId,
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const TDesC& aTargetId )
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{
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// Find out if chat exist or not. ChatExists() not used,
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// because we need index.
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CIMCVEngineMessageContainer* tempChat = CreateContainerLC(
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aServiceId,
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aTargetId,
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KNullDesC,
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KNullDesC8,
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*this,
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MIMCVEngineMessageReadInterface::ENoneContainer );
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TInt index( FindChat( *tempChat ) );
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CleanupStack::PopAndDestroy( tempChat );
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// If index is positive value, Chat exists and we can remove it.
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if( index >= 0 )
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{
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CIMCVEngineMessageContainer* target = ChatL( index, EFalse );
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// Get count of pending messages before removing chat
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TInt ignore;
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TInt pendignMsgs = MessagesPendingCount( ignore );
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RemoveChat( index );
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// Check if removed chat had unread messages
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if( pendignMsgs != MessagesPendingCount( ignore ) )
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{
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// Notify about changed unread count
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HandleChatEventL( EUnreadCountChanged );
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}
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// Observers are notified, delete target.
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delete target;
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}
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else if( index != KErrNotFound )
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{
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// some other error than not found occurred. Inform caller.
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User::Leave( index );
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}
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::CloseAllContainers
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CIMCVEngineChatContainer::CloseAllContainers()
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{
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::CloseAllContainers() START") );
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TInt count( iChatListObservers.Count() );
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for( TInt a( 0 ); a < count; ++a )
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{
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::CloseAllContainers() closing container ") );
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iChatListObservers[ a ]->HandleChatListEvent( iServiceId, EChatAllItemDeleted, NULL );
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}
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//iChatContainer.ResetAndDestroy();
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::CloseAllContainers() End") );
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::ChatCount
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CIMCVEngineChatContainer::ChatCount() const
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{
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return iChatContainer.Count();
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::ChatAt
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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MIMCVEngineMessageReadInterface& CIMCVEngineChatContainer::ChatAt( TInt aIndex ) const
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{
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//__CHAT_ASSERT_DEBUG( aIndex >= 0 && aIndex < ChatCount() )
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return *iChatContainer[ aIndex ];
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::RegisterNewMsgObserver
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CIMCVEngineChatContainer::RegisterNewMsgObserver( MIMCVEngineNewMsgObserver* aObserver )
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{
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iNewMsgObserver = aObserver;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::UnregisterNewMsgObserver
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CIMCVEngineChatContainer::UnregisterNewMsgObserver()
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{
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iNewMsgObserver = NULL;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::RegisterChatListObserver
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CIMCVEngineChatContainer::RegisterChatListObserver( MIMCVEngineChatListObserver* aObserver )
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{
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TInt index = iChatListObservers.Find( aObserver );
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if( index == KErrNotFound )
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{
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return iChatListObservers.Append( aObserver );
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}
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return KErrAlreadyExists;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::UnregisterChatListObserver
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CIMCVEngineChatContainer::UnregisterChatListObserver( MIMCVEngineChatListObserver* aObserver )
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{
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TInt index = iChatListObservers.Find( aObserver );
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if( index >= 0 )
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{
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iChatListObservers.Remove( index );
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return KErrNone;
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}
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return index;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::PendingMessagesCount
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CIMCVEngineChatContainer::MessagesPendingCount( TInt& aCountOfChats,
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MIMCVEngineMessageReadInterface::TUnreadFilter aUnreadFilter
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/*= MIMCVEngineMessageReadInterface::EUnreadAll*/ ) const
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{
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TInt count( ChatCount() );
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TInt pendingCount( 0 );
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aCountOfChats = 0;
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for( TInt a( 0 ); a < count; ++a )
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{
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TInt unreadCount = ChatAt( a ).UnreadCount( aUnreadFilter );
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if( unreadCount > 0 )
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{
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pendingCount += unreadCount;
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++aCountOfChats;
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}
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}
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return pendingCount;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::MessageInterface
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TBool CIMCVEngineChatContainer::FreeMemoryIfNeededL( TInt aSize )
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{
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//CHAT_DP_FUNC_ENTER( "CIMCVEngineChatContainer::FreeMemoryIfNeededL" );
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TInt halSize;
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TInt biggestBlock;
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HAL::Get( HALData::EMemoryRAMFree, halSize );
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TInt maxHeap = Min( User::Heap().MaxLength(), halSize );
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TInt available = maxHeap - ( User::Heap().Size() - User::Heap().Available( biggestBlock ) );
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TInt memoryNeed = KMinAvailableMemory + aSize;
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TTime oldestUnread;
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TInt unreadIndex;
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IM_CV_LOGS(TXT( "CIMCVEngineChatContainer::FreeMemoryIfNeededL, heapSize = %d"), maxHeap );
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IM_CV_LOGS(TXT( "****heapSize, available, need = %d, %d, %d"),
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maxHeap, available, memoryNeed );
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TBool ready = EFalse;
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TBool memLowNotified = EFalse;
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while( !ready )
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{
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TBool freeMemoryNeeded( EFalse );
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if( iExternalMemoryHandler )
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{
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freeMemoryNeeded = !iExternalMemoryHandler->FreeMemoryIfNeededL( aSize );
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}
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if( freeMemoryNeeded || memoryNeed > available )
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{
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// we have to react.
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TInt count = ChatCount();
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// Check how much memory can be made free
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TInt freeableBytes = 0;
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for( TInt i = 0; i < count; ++i )
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{
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TBool locked = iChatContainer[i]->IsLocked();
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if ( iChatContainer[i]->AllMessagesCount() && !locked )
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{
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freeableBytes += iChatContainer[i]->ContainerSizeInBytes();
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}
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}
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if ( ( ( available + freeableBytes ) < memoryNeed )
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&& !memLowNotified )
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{
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// Can't free enough memory
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return EFalse;
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}
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oldestUnread.HomeTime();
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unreadIndex = KErrNotFound;
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for( TInt a( 0 ); a < count; ++a )
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{
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MIMCVEngineMessageReadInterface& chat = ChatAt( a );
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TBool locked = iChatContainer[ a ]->IsLocked();
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if( iChatContainer[ a ]->AllMessagesCount() && !locked )
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{
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MIMCVEngineMessage& message = iChatContainer[ a ]->MessageFromAll( 0 );
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if( oldestUnread > message.TimeStamp() )
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{
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oldestUnread = message.TimeStamp();
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unreadIndex = a;
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}
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}
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}
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if( unreadIndex == KErrNotFound )
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{
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return EFalse;
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}
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else
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{
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// Inform observers about memory handling
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if ( !memLowNotified )
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{
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HandleChatEventL( EMemoryLow );
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memLowNotified = ETrue;
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}
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iChatContainer[ unreadIndex ]->DeleteMessageFromAll( 0 );
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}
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available = maxHeap - ( User::Heap().Size() - User::Heap().Available( biggestBlock ) );
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IM_CV_LOGS(TXT( "****heapSize, available, need = %d, %d, %d"),
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maxHeap, available, memoryNeed );
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}
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else
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{
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ready = ETrue;
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}
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}
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//CHAT_DP_FUNC_DONE( "CIMCVEngineChatContainer::FreeMemoryIfNeededL" );
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return ETrue;
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::HandleChatEventL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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void CIMCVEngineChatContainer::HandleChatEventL( TChatEventType aEvent,
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MIMCVEngineMessage* aMessage )
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{
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if( iNewMsgObserver )
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{
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iNewMsgObserver->HandleChatEventL( aEvent, aMessage );
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}
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}
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//-----------------------------------------------------------------------------
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// CIMCVEngineChatContainer::ChatL
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// ( Other items commented in header )
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//-----------------------------------------------------------------------------
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TInt CIMCVEngineChatContainer::ChatL(
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TInt aServiceId,
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const TDesC& aTargetId,
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const TDesC& aDisplayName,
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const TDesC8& aContactLink,
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MIMCVEngineMessageReadInterface::TContainerType aType
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/*= MIMCVEngineMessageReadInterface::ENoneContainer*/ )
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{
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::ChatL aName= %S"),&aDisplayName );
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::ChatL aLink= %S"),&aContactLink);
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CIMCVEngineMessageContainer* tempChat =
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CreateContainerLC( aServiceId, aTargetId, aDisplayName, aContactLink, *this, aType );
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TInt index( FindChat( *tempChat ) );
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if( index == KErrNotFound )
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{
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::ChatL,Chat not found creating with aName %S"),&aDisplayName );
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IM_CV_LOGS(TXT("CIMCVEngineChatContainer::ChatL,Chat not found creating with xspId %S"),&aTargetId );
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TLinearOrder< CIMCVEngineMessageContainer > order(
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CIMCVEngineMessageContainer::OrderUid );
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// User::LeaveIfError returns value if value is positive.
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iLatestType = tempChat->ContainerType();
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switch( iLatestType )
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{
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case MIMCVEngineMessageReadInterface::EChatContainer:
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{
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User::LeaveIfError( iChatContainer.InsertInOrder( tempChat,
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order ) );
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index = FindChat( *tempChat );
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iChatContainer[ index ]->SetChatObserver( this );
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HandleChatListEvent( EChatItemAdded, *tempChat );
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break;
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}
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case MIMCVEngineMessageReadInterface::ESendContainer:
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{
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User::LeaveIfError( iSendContainer.InsertInOrder( tempChat,
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order ) );
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index = FindChat( *tempChat );
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break;
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}
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default:
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{
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User::Leave( KErrArgument );
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break;
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}
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}
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CleanupStack::Pop( tempChat );
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}
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else
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{
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// if contact link is null
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if(!(iChatContainer[ index ]->ContactLink().Length()))
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{
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if( (aContactLink.Length() > 0) && (iLatestType == MIMCVEngineMessageReadInterface::EChatContainer))
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{
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iChatContainer[ index ]->SetLinkL(aContactLink);
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}
|
|
430 |
}
|
|
431 |
CleanupStack::PopAndDestroy( tempChat );
|
|
432 |
}
|
|
433 |
|
|
434 |
return User::LeaveIfError( index );
|
|
435 |
}
|
|
436 |
|
|
437 |
//-----------------------------------------------------------------------------
|
|
438 |
// CIMCVEngineChatContainer::ChatL
|
|
439 |
// ( Other items commented in header )
|
|
440 |
//-----------------------------------------------------------------------------
|
|
441 |
CIMCVEngineMessageContainer* CIMCVEngineChatContainer::ChatL( TInt aIndex,
|
|
442 |
TBool aResetLatest /* = ETrue*/ )
|
|
443 |
{
|
|
444 |
MIMCVEngineMessageReadInterface::TContainerType type = iLatestType;
|
|
445 |
|
|
446 |
if( aResetLatest )
|
|
447 |
{
|
|
448 |
iLatestType = MIMCVEngineMessageReadInterface::ENoneContainer;
|
|
449 |
}
|
|
450 |
|
|
451 |
switch( type )
|
|
452 |
{
|
|
453 |
|
|
454 |
case MIMCVEngineMessageReadInterface::EChatContainer:
|
|
455 |
{
|
|
456 |
return iChatContainer[ aIndex ];
|
|
457 |
}
|
|
458 |
case MIMCVEngineMessageReadInterface::ESendContainer:
|
|
459 |
{
|
|
460 |
return iSendContainer[ aIndex ];
|
|
461 |
}
|
|
462 |
default:
|
|
463 |
{
|
|
464 |
User::Leave( KErrArgument );
|
|
465 |
break;
|
|
466 |
}
|
|
467 |
}
|
|
468 |
// Can never get this far
|
|
469 |
//__CHAT_ASSERT_DEBUG( EFalse );
|
|
470 |
return NULL;
|
|
471 |
}
|
|
472 |
|
|
473 |
//-----------------------------------------------------------------------------
|
|
474 |
// CIMCVEngineChatContainer::RemoveChatL
|
|
475 |
// ( Other items commented in header )
|
|
476 |
//-----------------------------------------------------------------------------
|
|
477 |
void CIMCVEngineChatContainer::RemoveChat( TInt aIndex,
|
|
478 |
TBool aResetLatest /* = ETrue */ )
|
|
479 |
{
|
|
480 |
MIMCVEngineMessageReadInterface::TContainerType type = iLatestType;
|
|
481 |
|
|
482 |
if( aResetLatest )
|
|
483 |
{
|
|
484 |
iLatestType = MIMCVEngineMessageReadInterface::ENoneContainer;
|
|
485 |
}
|
|
486 |
|
|
487 |
switch( type )
|
|
488 |
{
|
|
489 |
case MIMCVEngineMessageReadInterface::EChatContainer:
|
|
490 |
{
|
|
491 |
HandleChatListEvent( EChatItemDeleted, *iChatContainer[aIndex] );
|
|
492 |
iChatContainer.Remove( aIndex );
|
|
493 |
break;
|
|
494 |
}
|
|
495 |
case MIMCVEngineMessageReadInterface::ESendContainer:
|
|
496 |
{
|
|
497 |
|
|
498 |
iSendContainer.Remove( aIndex );
|
|
499 |
break;
|
|
500 |
}
|
|
501 |
default:
|
|
502 |
{
|
|
503 |
break;
|
|
504 |
}
|
|
505 |
}
|
|
506 |
}
|
|
507 |
|
|
508 |
//-----------------------------------------------------------------------------
|
|
509 |
// CIMCVEngineChatContainer::FindChat
|
|
510 |
// ( Other items commented in header )
|
|
511 |
//-----------------------------------------------------------------------------
|
|
512 |
TInt CIMCVEngineChatContainer::FindChat( const CIMCVEngineMessageContainer& aChat )
|
|
513 |
{
|
|
514 |
|
|
515 |
TInt index( 0 );
|
|
516 |
TLinearOrder< CIMCVEngineMessageContainer > order( CIMCVEngineMessageContainer::OrderUid );
|
|
517 |
TInt status = iChatContainer.FindInOrder( &aChat, index, order );
|
|
518 |
if( status == KErrNone )
|
|
519 |
{
|
|
520 |
iLatestType = MIMCVEngineMessageReadInterface::EChatContainer;
|
|
521 |
return index;
|
|
522 |
}
|
|
523 |
|
|
524 |
iLatestType = MIMCVEngineMessageReadInterface::ESendContainer;
|
|
525 |
status = iSendContainer.FindInOrder( &aChat, index, order );
|
|
526 |
return ( status == KErrNone ? index : status );
|
|
527 |
}
|
|
528 |
|
|
529 |
//-----------------------------------------------------------------------------
|
|
530 |
// CIMCVEngineChatContainer::CreateContainerLC
|
|
531 |
// ( Other items commented in header )
|
|
532 |
//-----------------------------------------------------------------------------
|
|
533 |
CIMCVEngineMessageContainer* CIMCVEngineChatContainer::CreateContainerLC(
|
|
534 |
TInt aServiceId,
|
|
535 |
const TDesC& aTargetId,
|
|
536 |
const TDesC& aDisplayName,
|
|
537 |
const TDesC8& aContactLink,
|
|
538 |
MIMCVEngineBufferMemoryHandler& aMemoryHandler,
|
|
539 |
MIMCVEngineMessageReadInterface::TContainerType aType )
|
|
540 |
{
|
|
541 |
|
|
542 |
CIMCVEngineMessageContainer* messageContainer = CIMCVEngineMessageContainer::NewL(
|
|
543 |
aServiceId,
|
|
544 |
aTargetId,
|
|
545 |
aDisplayName,
|
|
546 |
aContactLink,
|
|
547 |
aMemoryHandler,
|
|
548 |
aType );
|
|
549 |
CleanupStack::PushL( messageContainer );
|
|
550 |
return messageContainer;
|
|
551 |
}
|
|
552 |
|
|
553 |
|
|
554 |
// ---------------------------------------------------------
|
|
555 |
// CIMCVEngineChatContainer::MemoryHandler
|
|
556 |
// ---------------------------------------------------------
|
|
557 |
//
|
|
558 |
MIMCVEngineBufferMemoryHandler& CIMCVEngineChatContainer::MemoryHandler()
|
|
559 |
{
|
|
560 |
return *this;
|
|
561 |
}
|
|
562 |
|
|
563 |
|
|
564 |
// ---------------------------------------------------------
|
|
565 |
// CIMCVEngineChatContainer::HandleChatListEvent
|
|
566 |
// ---------------------------------------------------------
|
|
567 |
//
|
|
568 |
void CIMCVEngineChatContainer::HandleChatListEvent( TChatListEventType aEvent,
|
|
569 |
MIMCVEngineMessageReadInterface& aContainerInfo )
|
|
570 |
{
|
|
571 |
IM_CV_LOGS (TXT("CIMCVENGINECHATCONTAINER :: HANDLECHATLISTEVENT"));
|
|
572 |
// Inform all observer about chat event.
|
|
573 |
//TInt count( iChatListObservers.Count() ); //kept for reference
|
|
574 |
for( TInt a( 0 ); a < iChatListObservers.Count() ; ++a )
|
|
575 |
{
|
|
576 |
iChatListObservers[ a ]->HandleChatListEvent( iServiceId, aEvent, &aContainerInfo );
|
|
577 |
}
|
|
578 |
}
|
|
579 |
// end of file
|