// Copyright (c) 1999-2009 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:+
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//+
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+
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#if !defined(__IMAPCONNECTIONOBSERVER_H__)+
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#define __IMAPCONNECTIONOBSERVER_H__+
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+
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/** IMAP4 connection observer events.+
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+
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@see MMsvImapConnectionObserver +
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@publishedAll+
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@released+
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*/+
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enum TImapConnectionEvent+
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	{+
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	/** Connecting to server. */+
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	EConnectingToServer,+
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	/** Synchronising folder list. */+
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	ESynchronisingFolderList,+
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	/** Synchronising inbox. */+
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	ESynchronisingInbox,+
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	/** Synchronising folders. */+
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	ESynchronisingFolders,+
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	/** Synchronisation complete. */+
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	ESynchronisationComplete,+
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	/** Disconnecting. */+
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	EDisconnecting,+
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	/** Connection completed. */+
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	EConnectionCompleted+
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	};+
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+
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//	Mix-in class to allow observation of the stages of an IMAP operation+
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//+
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class MMsvImapConnectionObserver+
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/** Abstract base class used for IMAP4 connection observation. +
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+
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A derived class to handle IMAP4 connection events should override the HandleImapConnectionEvent() +
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member function. +
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+
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Objects that implement this interface are passed as a packaged parameter +
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to CImap4ClientMtm::InvokeAsyncFunctionL() when a connection command is issued.+
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 +
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@publishedAll+
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@released+
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+
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@see TImap4Cmds+
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*/+
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	{+
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public:+
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	/** Called when a connection event occurs.+
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	+
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	@param aConnectionState Connection event */+
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	virtual void HandleImapConnectionEvent(TImapConnectionEvent aConnectionState)=0;+
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	};+
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+
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#endif+
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