/*

* 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;

using System.Collections.Specialized;

using System.Text;

using SymbianUtils;

using CrashItemLib;

namespace CrashItemLib.PluginAPI

{

    public abstract class CFFSourceAndConfidence : CFFSource, IComparable<CFFSourceAndConfidence>

	{

        #region Constructors

        protected CFFSourceAndConfidence( FileInfo aFile )

            : base( aFile )

		{

            Level = int.MinValue;

		}

        #endregion

        #region API

        public void SetCertain()

        {

            Level = int.MaxValue;

        }

        #endregion

        #region Properties

        public int Level

        {

            get { return iLevel; }

            set { iLevel = value; }

        }

        public bool IsSupported

        {

            get { return !IsUnsupported && MasterFileName != string.Empty && Reader != null; }

        }

        public bool IsCertain

        {

            get { return Level == int.MaxValue; }

        }

        public bool IsUnsupported

        {

            get

            {

                bool ret = false;

                // The source cannot be processed if:

                //

                // a) Type is not supported

                // b) The confidence level is "no confidence whatsoever" or

                // c) There is no reader

                //

                if ( Level == int.MinValue )

                {

                    ret = true; // (b)

                }

                else if ( Reader == null )

                {

                    ret = true; // (c)

                }

                else if ( OpType == TReaderOperationType.EReaderOpTypeNotSupported )

                {

                    ret = true; // (a)

                }

                return ret;

            }

        }

        #endregion

        #region From IComparable<CFFConfidenceLevel>

        public int CompareTo( CFFSourceAndConfidence aOther )

        {

            int ret = 1;

            //

            if ( aOther != null )

            {

                ret = Level.CompareTo( aOther.Level );

            }

            //

            return ret;

        }

        #endregion

		#region Data members

        private int iLevel = int.MinValue;

		#endregion

    }

}