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ProgressStatusMonitor.cs

//
// ProgressStatusMonitor.cs
//
// Author:
//   Lluis Sanchez Gual
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//


using System;
using System.IO;

namespace Mono.Addins.Setup.ProgressMonitoring
{
      internal class ProgressStatusMonitor: MarshalByRefObject, IProgressMonitor
      {
            IProgressStatus status;
            LogTextWriter logger;
            ProgressTracker tracker = new ProgressTracker ();
            
            public ProgressStatusMonitor (IProgressStatus status)
            {
                  this.status = status;
                  logger = new LogTextWriter ();
                  logger.TextWritten += new LogTextEventHandler (WriteLog);
            }
            
            public static IProgressMonitor GetProgressMonitor (IProgressStatus status)
            {
                  if (status == null)
                        return new NullProgressMonitor ();
                  else
                        return new ProgressStatusMonitor (status);
            }
            
            public void BeginTask (string name, int totalWork)
            {
                  tracker.BeginTask (name, totalWork);
                  status.SetMessage (tracker.CurrentTask);
                  status.SetProgress (tracker.GlobalWork);
            }
            
            public void BeginStepTask (string name, int totalWork, int stepSize)
            {
                  tracker.BeginStepTask (name, totalWork, stepSize);
                  status.SetMessage (tracker.CurrentTask);
                  status.SetProgress (tracker.GlobalWork);
            }
            
            public void Step (int work)
            {
                  tracker.Step (work);
                  status.SetProgress (tracker.GlobalWork);
            }
            
            public void EndTask ()
            {
                  tracker.EndTask ();
                  status.SetMessage (tracker.CurrentTask);
                  status.SetProgress (tracker.GlobalWork);
            }
            
            void WriteLog (string text)
            {
                  status.Log (text);
            }
            
            public TextWriter Log {
                  get { return logger; }
            }
            
            public void ReportWarning (string message)
            {
                  status.ReportWarning (message);
            }
            
            public void ReportError (string message, Exception ex)
            {
                  status.ReportError (message, ex);
            }
            
            public bool IsCancelRequested { 
                  get { return status.IsCanceled; }
            }
            
            public void Cancel ()
            {
                  status.Cancel ();
            }
            
            public int LogLevel {
                  get { return status.LogLevel; }
            }
            
            public void Dispose ()
            {
            }
      }
}

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