widgets/widgetapp/inc/WidgetUiNetworkListener.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 21:20:18 +0200
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permissions -rw-r--r--
Revision: 201001 Kit: 201003
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//
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//==============================================================================
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// Name        : WidgetUiNetworkListener.h
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// Part of     : WidgetUI
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// Interface   :
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// Description :
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// Version      : %version: 5.1.1.3.3 %
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//
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// Copyright  2008, 2009 Nokia Corporation.
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// This material, including documentation and any related
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// computer programs, is protected by copyright controlled by
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// Nokia Corporation. All rights are reserved. Copying,
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// including reproducing, storing, adapting or translating, any
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// or all of this material requires the prior written consent of
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// Nokia Corporation. This material also contains confidential
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// information which may not be disclosed to others without the
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// prior written consent of Nokia Corporation.
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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_ */