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/*
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* Copyright (c) 2006-2010 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: Copies signals changes between network and local media
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*
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*/
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#ifndef C_CDUNSIGNALCOPY_H
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#define C_CDUNSIGNALCOPY_H
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#include "DunTransporter.h"
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#include "DunTransUtils.h"
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#include "DunAtCmdHandler.h"
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/**
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* Class for copying signal changes between to endpoints
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*
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* @lib dunutils.lib
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* @since S60 v3.2
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*/
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NONSHARABLE_CLASS( CDunSignalCopy ) : public CActive
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{
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public:
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/**
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* Two-phased constructor.
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* @return Instance of self
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*/
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static CDunSignalCopy* NewL();
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/**
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* Destructor.
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*/
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virtual ~CDunSignalCopy();
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/**
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* Resets data to initial values
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*
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* @since S60 3.2
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* @return None
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*/
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void ResetData();
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/**
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* Adds callback for line status change controlling
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* The callback will be called when RunL error is detected
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*
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* @since S60 3.2
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* @param aCallback Callback to call when line status changes
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* @return Symbian error code on error, KErrNone otherwise
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*/
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TInt AddCallback( MDunConnMon* aCallback );
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/**
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* Sets media to use for this endpoint monitor
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*
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* @since S60 3.2
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* @param aComm RComm pointer to local media side
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* @param aNetwork RComm pointer to network side
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* @param aStreamType Stream type for this endpoint
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* @return Symbian error code on error, KErrNone otherwise
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*/
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TInt SetMedia( RComm* aComm,
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RComm* aNetwork,
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TDunStreamType aStreamType );
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/**
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* Issues request to start monitoring the endpoint for line status change
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*
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* @since S60 3.2
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* @return Symbian error code on error, KErrNone otherwise
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*/
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TInt IssueRequest();
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/**
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* Stops monitoring the endpoint for line status change
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*
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* @since S60 3.2
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* @return None
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*/
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void Stop();
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private:
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CDunSignalCopy();
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void ConstructL();
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/**
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* Initializes this class
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*
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* @since S60 3.2
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* @return None
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*/
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void Initialize();
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/**
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* Manages upstream signal changes
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*
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* @since S60 3.2
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* @return None
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*/
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void ManageSignalChange();
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/**
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* Manages signal changes
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*
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* @since S60 3.2
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* @return None
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*/
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void ManageSignalChangeUpstream();
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/**
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* Manages downstream signal changes
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*
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* @since S60 3.2
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* @return None
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*/
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void ManageSignalChangeDownstream();
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/**
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* Changes upstream signal
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*
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* @since S60 5.0
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* @param aSetMask Set the handshaking lines in the mask
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* @param aClearMask Clear the handshaking lines in the mask
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* @return None
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*/
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void ChangeUpstreamSignal( TUint aSetMask, TUint aClearMask );
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/**
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* Changes downstream signal
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*
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* @since S60 3.2
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* @param aSetMask Set the handshaking lines in the mask
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* @param aClearMask Clear the handshaking lines in the mask
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* @return None
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*/
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void ChangeDownstreamSignal( TUint aSetMask, TUint aClearMask );
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// from base class CActive
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/*
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* From CActive.
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* Gets called when line status changes
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*
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* @since S60 3.2
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* @return None
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*/
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void RunL();
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/**
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* From CActive.
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* Gets called on cancel
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*
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* @since S60 3.2
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* @return None
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*/
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void DoCancel();
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private: // data
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/**
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* Callback(s) to call when notification(s) via MDunConnMon to be made
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* Normally contains only one callback
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*/
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RPointerArray<MDunConnMon> iCallbacks;
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/**
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* Callback(s) to call when command mode starts or ends
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* Usually two needed: one for upstream and second for downstream
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*/
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RPointerArray<MDunCmdModeMonitor> iCmdCallbacks;
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/**
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* Used media context: network or local
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*/
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TDunMediaContext iContextInUse;
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/**
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* Used stream type: upstream or downstream
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*/
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TDunStreamType iStreamType;
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/**
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* Signal to listen with RComm::NotifySignalChange()
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*/
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TUint iListenSignals;
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/**
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* Signals set when RComm::NotifySignalChange() request completes
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*/
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TUint iSignals;
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/**
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* RComm object of network side
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* Not own.
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*/
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RComm* iNetwork;
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/**
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* RComm object of local media side
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* Not own.
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*/
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RComm* iComm;
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};
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#endif // C_CDUNSIGNALCOPY_H
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