// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of "Eclipse Public License v1.0"

// which accompanies this distribution, and is available

// at the URL "http://www.eclipse.org/legal/epl-v10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef TRACEEVENT_H

#define TRACEEVENT_H

class MTraceEvent

    {

    public:

        // Flags from the frame header

        virtual unsigned int Flags() const = 0;

        // Primary filter (Category) of the frame

        virtual unsigned int PrimaryFilter() const = 0;

        // Secondary filter of the frame

        virtual unsigned int SecondaryFilter() const = 0;

        // Subcategory of the frame (meaning dependant on the Category)

        virtual unsigned int SubCategory() const = 0;

        // Flag accessors

        virtual bool Header2Present() const = 0;

        virtual bool Timestamp1Present() const = 0;

        virtual bool Timestamp2Present() const = 0;

        virtual bool ContextIdPresent() const = 0;

        virtual bool PcPresent() const = 0;

        virtual bool ExtraPresent() const = 0;

        // These return values from the header if they are present

        virtual unsigned int Header2() const = 0;

        virtual unsigned int Timestamp1() const = 0;

        virtual unsigned int Timestamp2() const = 0;

        virtual unsigned int ContextType() const = 0;

        virtual unsigned int ContextId() const = 0;

        virtual unsigned int ProgramCounter() const = 0;

        virtual unsigned int Extra() const = 0;

        virtual unsigned int Arg1() const = 0;

        virtual unsigned char* Data() const = 0;

        virtual unsigned int DataLength() const = 0;

        virtual unsigned int EventEntryNumber() const = 0;

    protected:

        unsigned int BytesToInt(const unsigned char *aBytes) const;

        unsigned int BytesToInt(const char *aBytes) const;

    };

#endif

// TRACEEVENT_H