dbgagents/trkagent/engine/TrkEngineCallback.h
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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: 
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*
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*/
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#ifndef __TRKENGINECALLBACK_H__
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#define __TRKENGINECALLBACK_H__
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/**
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*  Abstract callback interface for TRK engine to call into the app for certain situations.
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*  All callbacks into the app from TRK engine can be added here.
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*/
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class MTrkEngineCallback
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{
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    public:
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        /**
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        * Called by TRK engine when a connection is open
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        */
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        virtual void OnConnection() = 0;
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        /**
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        * This is called when a connection is closed, this can happen for different reasons.
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        * One of the reasons could be that the user has unplugged 
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        * the USB cable when using the USB connection
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        */
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        virtual void OnCloseConnection() = 0; 
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        /**
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        * Called by TRK engine when a debug session is started
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        */
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        virtual void DebuggingStarted() = 0;
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        /**
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        * Called by TRK engine when a debug session ends
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        */
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        virtual void DebuggingEnded() = 0;
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        /*
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         * called when the PC rejects the BT connection 
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         * 
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         */
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        virtual void OnAsyncConnectionFailed() = 0;
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};
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#endif //__TRKENGINECALLBACK_H__