/*

* 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 SymbianUtils;

using SymbianUtils.FileSystem.FilePair;

using SymbianStructuresLib.CodeSegments;

using SymbianDebugLib.Engine;

using SymbianDebugLib.PluginAPI.Types;

using SymbianDebugLib.PluginAPI.Types.Code;

using SymbianDebugLib.PluginAPI.Types.Symbol;

namespace SymbianDebugLib.Engine

{

    public class DbgEngineView : DisposableObject

    {

        #region Constructors

        internal DbgEngineView( DbgEngine aEngine, string aName, CodeSegDefinitionCollection aCodeSegments, TDbgViewDeactivationType aDeactivationType )

        {

            iName = aName;

            iEngine = aEngine;

            iDeactivationType = aDeactivationType;

            iCodeSegments = new CodeSegDefinitionCollection( aCodeSegments );

            //

            iViewCode = (DbgViewCode) EngineCode.CreateView( iName );

            if ( iViewCode != null )

            {

                iViewCode.Activate( aCodeSegments );

            }

            //

            iViewSymbols = (DbgViewSymbol) EngineSymbols.CreateView( iName );

            if ( iViewSymbols != null )

            {

                iViewSymbols.Activate( aCodeSegments );

            }

        }

        #endregion

        #region API

        public bool SerializeTaggedCollections( FileNamePairCollection aFilesToSave )

        {

            bool savedSyms = Symbols.SerializeTaggedCollections( aFilesToSave );

            bool savedCode = Code.SerializeTaggedCollections( aFilesToSave );

            //

            return ( savedCode || savedSyms );

        }

        #endregion

        #region Properties

        public string Name

        {

            get

            {

                return iName;

            }

        }

        public DbgViewCode Code

        {

            get

            {

                if ( iViewCode == null )

                {

                    throw new NotSupportedException();

                }

                //

                return iViewCode; 

            }

        }

        public DbgViewSymbol Symbols

        {

            get

            {

                if ( iViewSymbols == null )

                {

                    throw new NotSupportedException();

                }

                //

                return iViewSymbols; 

            }

        }

        public DbgEngineCode EngineCode

        {

            get { return iEngine.Code; }

        }

        public DbgEngineSymbol EngineSymbols

        {

            get { return iEngine.Symbols; } 

        }

        #endregion

        #region Operators

        public static implicit operator DbgViewCode( DbgEngineView aView )

        {

            return aView.Code;

        }

        public static implicit operator DbgViewSymbol( DbgEngineView aView )

        {

            return aView.Symbols;

        }

        #endregion

        #region From DisposableObject

        protected override void CleanupManagedResources()

        {

            try

            {

                base.CleanupManagedResources();

            }

            finally

            {

                if ( iViewCode != null )

                {

                    if ( iDeactivationType == TDbgViewDeactivationType.EDeactivateWhenDisposed )

                    {

                        iViewCode.Deactivate( iCodeSegments );

                    }

                    //

                    iViewCode.Dispose();

                    iViewCode = null;

                }

                if ( iViewSymbols != null )

                {

                    if ( iDeactivationType == TDbgViewDeactivationType.EDeactivateWhenDisposed )

                    {

                        iViewSymbols.Deactivate( iCodeSegments );

                    }

                    //

                    iViewSymbols.Dispose();

                    iViewSymbols = null;

                }

            }

        }

        #endregion

        #region From System.Object

        public override int GetHashCode()

        {

            return iName.GetHashCode();

        }

        public override string ToString()

        {

            return iName;

        }

        #endregion

        #region Data members

        private readonly string iName;

        private readonly DbgEngine iEngine;

        private readonly CodeSegDefinitionCollection iCodeSegments;

        private readonly TDbgViewDeactivationType iDeactivationType;

        private DbgViewCode iViewCode;

        private DbgViewSymbol iViewSymbols;

        #endregion

    }

}