/*

* Copyright (c) 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: 

*

*/

using System;

using System.Collections.Generic;

using System.Text;

using SymbianETMLib.Common.Engine;

using SymbianETMLib.Common.Types;

using SymbianStructuresLib.Arm;

using SymbianStructuresLib.Arm.Exceptions;

namespace SymbianETMLib.ETB.StackRecon

{

    public class ETBStackReconManager

    {

        #region Constructors

        public ETBStackReconManager( ETEngineBase aEngine )

        {

            iEngine = aEngine;

            iEngine.Branch += new ETEngineBase.BranchHandler( ETB_Branch );

            iEngine.ContextSwitch += new ETEngineBase.ContextSwitchHandler( ETB_ContextSwitch );

            // Make the initial "unknown" context id stack.

            SwitchContext( 0 );

        }

        #endregion

        #region API

        #endregion

        #region Properties

        #endregion

        #region Event handlers

        private void ETB_ContextSwitch( uint aContextId, string aThreadName )

        {

            // Make sure we're using the new current stack

            SwitchContext( aContextId );

        }

        private void ETB_Branch( ETMBranch aBranch )

        {

            if ( iCurrentStack != null )

            {

                iCurrentStack.HandleBranch( aBranch );

            }

        }

        #endregion

        #region Internal methods

        private void SwitchContext( uint aId )

        {

            if ( !iStacks.ContainsKey( aId ) )

            {

                ETBStack stack = new ETBStack( iEngine, aId );

                iStacks.Add( aId, stack );

            }

            //

            iCurrentStack = iStacks[ aId ];

        }

        #endregion

        #region Data members

        private readonly ETEngineBase iEngine;

        private ETBStack iCurrentStack = null;

        private Dictionary<uint, ETBStack> iStacks = new Dictionary<uint, ETBStack>();

        #endregion

    }

}