widgets/widgetapp/inc/WidgetUiNetworkListener.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:48:51 +0200
branchRCL_3
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permissions -rw-r--r--
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/*
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* Copyright (c) 2008, 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 the License "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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#ifndef WIDGETUINETWORKLISTENER_H_
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#define WIDGETUINETWORKLISTENER_H_
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// INCLUDES
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#include <in_sock.h>
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#ifndef SYMBIAN_ENABLE_SPLIT_HEADERS
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#include <es_enum.h>
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#else
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#include <es_enum.h>
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#include <es_enum_internal.h>
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#include <es_enum_partner.h>
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#endif
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#include "WidgetUiWindowManager.h"
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// CLASS DECLARATION
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/**
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* Listens real interfaces and reports changes to Widget UI.
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*/
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class CWidgetUiNetworkListener : public CActive
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    {
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    public: //Methods
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            // Constructors and destructor
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            /**
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            * Static constructor
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            */
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            static CWidgetUiNetworkListener* NewL(CWidgetUiWindowManager& aWindowManager);
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            /**
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            * Destructor
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            */
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            ~CWidgetUiNetworkListener();
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            /**
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            * Starts listening of all intefaces.
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            * @return: error code, KErrNone if successfull.
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            */
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            TInt StartListening();
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    private: // Methods
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            /**
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            * Constructor.
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            */
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            CWidgetUiNetworkListener(CWidgetUiWindowManager& aWindowManager);
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            /**
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            * Implement RunL of class CActive.
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            */
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            void RunL();
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            /**
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            * Implement DoCancel of class CActive.
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            */
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            void DoCancel();
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            /**
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            * Connects to the socket server
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            */
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            TInt Connect();
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            /**
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            * Closes connection
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            */
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            void Close();
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            /**
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            * Check for existing active connections
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            * @return: ETrue if there is an active network connection, else EFalse
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            */
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            TBool CheckActiveNetworkConnection();
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    private: // Data
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            // reference to WidgetUiWindowManager object
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            CWidgetUiWindowManager& iWindowManager;
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            // buffer to receive interface notification
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            TInterfaceNotificationBuf iNote;
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            // connection to interfaces
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            RConnection iConn;
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            // socket server
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            RSocketServ iSocketServer;
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    };
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#endif /* WIDGETUINETWORKLISTENER_H_ */