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TotalUploadProgress.cs

//
// Mono.Tabblo.TotalUploadProgress
//
// Authors:
//    Wojciech Dzierzanowski (wojciech.dzierzanowski@gmail.com)
//
// (C) Copyright 2008 Wojciech Dzierzanowski
//

// 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;
using System.Diagnostics;

using FSpot.Utils;

namespace Mono.Tabblo {

      public class TotalUploadProgress {

            private long prev_bytes_sent = 0;
            private long bytes_sent_total = 0;

            private int total_file_count;
            private ulong total_file_size;


            public TotalUploadProgress (Picture [] pictures)
            {
                  if (null == pictures) Log.DebugFormat ("No pictures!");

                  total_file_count = pictures.Length;
                  total_file_size = GetTotalFileSize (pictures);
            }


            protected int TotalFileCount {
                  get {
                        return total_file_count;
                  }
            }
            protected ulong TotalFileSize {
                  get {
                        return total_file_size;
                  }
            }


            public void HandleProgress (object sender,
                                        UploadProgressEventArgs args)
            {
                  bytes_sent_total += args.BytesSent - prev_bytes_sent;
                  ShowProgress (args.Title, bytes_sent_total);

                  int percent = (int)
                              ((double) bytes_sent_total * 100
                                          / TotalFileSize);
                  Log.DebugFormat ("{0}%...", percent);

                  if (args.BytesTotal == args.BytesSent) {
                        prev_bytes_sent = 0;
                  } else {
                        prev_bytes_sent = args.BytesSent;
                  }
            }


            /// <summary>
            /// Overriden by subclasses to display upload progress.
            /// </summary>
            /// <remarks>
            /// The default implementation does nothing.
            /// </remarks>
            protected virtual void ShowProgress (string title,
                                                 long bytes_sent)
            {
            }


            private static ulong GetTotalFileSize (Picture [] pictures)
            {
                  if (null == pictures) Log.DebugFormat ("No pictures!");

                  ulong size = 0;

                  foreach (Picture picture in pictures) {
                        FileInfo info = new FileInfo (
                                    picture.Uri.LocalPath);
                        size += (ulong) info.Length;
                  }

                  return size;
            }
      }
}

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