/*

* 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.IO;

using System.Collections.Generic;

using System.Text;

using System.Threading;

using SymbianUtils;

using SymbianUtils.PluginManager;

using SymbianUtils.FileSystem;

using SymbianUtils.Settings;

using SymbianDebugLib.Engine;

namespace SymbianDebugLib.Entity.Configurations

{

    public class DbgEntityConfigManager : DisposableObject

    {

        #region Constructors

        internal DbgEntityConfigManager( DbgEngine aEngine )

        {

            iEngine = aEngine;

        }

        #endregion

        #region API

        public void Clear()

        {

            lock ( iConfigurations )

            {

                iConfigurations.Clear();

            }

        }

        public void Add( DbgEntityConfig aConfiguration )

        {

            lock ( iConfigurations )

            {

                iConfigurations.Add( aConfiguration );

            }

        }

        public void SwitchConfigurationSynchronously( DbgEntityConfigIdentifier aId )

        {

            // Try to find a config that matches the specified value

            DbgEntityConfig config = ConfigById( aId );

            if ( config == null )

            {

                // Unload any old data and return

                iEngine.Clear();

                iEngine.Trace( "WARNING: DbgEntityConfigManager could not load config id: " + aId.ToString() );

            }

            else

            {

                if ( config == iEngine.CurrentConfiguration )

                {

                    // Nothing to do

                }

                else

                {

                    // Unload any old data

                    iEngine.Clear();

                    // Prepare list of files

                    List<string> files = new List<string>();

                    foreach ( DbgEntityConfig.CfgSet set in config )

                    {

                        foreach ( DbgEntityConfig.CfgFile file in set )

                        {

                            files.Add( file.FileNameAndPath );

                        }

                    }

                    iEngine.AddRange( files );

                    iEngine.Prime( TSynchronicity.ESynchronous );

                }

            }

        }

        #endregion

        #region Event handlers

        #endregion

        #region Properties

        public int Count

        {

            get 

            {

                lock ( iConfigurations )

                {

                    return iConfigurations.Count;

                }

            }

        }

        internal DbgEngine Engine

        {

            get { return iEngine; }

        }

        #endregion

        #region Internal methods

        private DbgEntityConfig ConfigById( DbgEntityConfigIdentifier aId )

        {

            DbgEntityConfig ret = null;

            //

            lock ( iConfigurations )

            {

                foreach ( DbgEntityConfig cfg in iConfigurations )

                {

                    if ( cfg.Contains( aId ) )

                    {

                        ret = cfg;

                        break;

                    }

                }

            }

            //

            return ret;

        }

        #endregion

        #region Data members

        private readonly DbgEngine iEngine;

        private List<DbgEntityConfig> iConfigurations = new List<DbgEntityConfig>();

        #endregion

    }

}