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Viewing changes to extensions/Tools/LiveWebGallery/PhotoRequestHandler.cs

  • Committer: Bazaar Package Importer
  • Author(s): Iain Lane
  • Date: 2010-08-11 22:17:42 UTC
  • mfrom: (2.4.9 experimental)
  • Revision ID: james.westby@ubuntu.com-20100811221742-2qv3a5uya7gfe1t1
https://launchpad.net/bugs/272822
https://launchpad.net/bugs/597720
https://launchpad.net/bugs/244423
https://launchpad.net/bugs/563495
https://launchpad.net/bugs/518344
* New upstream release 0.7.2 "Retooled"
  + Third release of the unstable 0.7 development series. Features a
    fully restructured source tree with full Monodevelop build
    support. Solves some of the regressions introduced in 0.7.1.
  + Reorganized source tree for clarity, builds with Monodevelop.
  + Switched from QueuedSqliteDatabase to HyenaSqliteConnection (Mike
    Gemünde)
  + Build tweaks (Christian Krause)
  + More GtkBuilder transition (Eric Faehnrich) 
  + Reliability improvements (lots of them) for metadata handling (Mike
    Gemünde, Ruben Vermeersch)
  + Prune empty directories when deleting photos, import usability
    enhancements (Mike Wallick)
  + Big race-condition fix in import (Paul Wellner Bou)
  + Loads of improvements to Taglib#, in terms of handling broken files,
    extra format support (Pentax, Panasonic, Leica), stability and
    correctness (Ruben Vermeersch)
    - Runs out of memory Importing photo with suspect EXIF data
      (LP: #272822)
    - Metadata parsing of broken file causes large memory allocation
      (LP: #597720)
    - Photo import: cancel & copy have same keyboard shortcut (LP: #244423)
    - Facebook export will not create new album (LP: #563495)
    - Allow export to iPod (LP: #518344)
  + Reporting of import errors.
  + Speedups to repeated imports of the same directory.
  + Piles of cleanups and general stability improvements.
  + Over 50 bugs closed (http://bit.ly/cqpC3y)

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extensions/Tools/LiveWebGallery/PhotoRequestHandler.cs
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/*
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 * LiveWebGalleryExtension.PhotoRequestHandler.cs
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 *
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 * Author(s):
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 *      Anton Keks  <anton@azib.net>
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 *
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 * This is free software. See COPYING for details
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 */
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using System;
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using System.IO;
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using System.Text;
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using FSpot;
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using FSpot.Filters;
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using FSpot.Utils;
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using Hyena;
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namespace LiveWebGalleryExtension
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{       
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        public class PhotoRequestHandler : RequestHandler
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        {       
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                private LiveWebGalleryStats stats;
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                public PhotoRequestHandler (LiveWebGalleryStats stats)
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                {
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                        this.stats = stats;
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                }
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                public override void Handle (string requested, Stream stream)
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                {
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                        uint photo_id = uint.Parse (requested);
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                        Photo photo = App.Instance.Database.Photos.Get (photo_id);
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                        SendImage (photo, stream);
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                                        }
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                protected virtual void SendImage (Photo photo, Stream stream) 
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                {
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                        string path = photo.DefaultVersion.Uri.LocalPath;
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                        FileInfo file_info = new FileInfo(path);
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                        if (!file_info.Exists) {
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                                SendError (stream, "404 The file is not on the disk");
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                                return;
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                        }
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                        FilterSet filters = new FilterSet ();
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                        filters.Add (new JpegFilter ());
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                        filters.Add (new ResizeFilter (1600));
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                        using (FilterRequest request = new FilterRequest (photo.DefaultVersion.Uri)) {
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                                filters.Convert (request);
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                                file_info = new FileInfo (request.Current.LocalPath);
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                                SendFile (file_info, photo, stream);
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                        }
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                        if (stats != null)
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                                stats.PhotoViews++;
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                }
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                protected void SendFile (FileInfo file, Photo photo, Stream dest)
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                {
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                        stats.BytesSent += (int)file.Length;                    
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                        Log.DebugFormat ("Sending {0}, {1} kb", file.FullName, file.Length / 1024);
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                        SendHeadersAndStartContent(dest, "Content-Type: " + MimeTypeForExt (file.Extension),
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                                                                                         "Content-Length: " + file.Length,
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                                                                 "Last-Modified: " + photo.Time.ToString ("r"));
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                        using (Stream src = file.OpenRead ()) {
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                                byte[] buf = new byte[10240];
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                                int read;
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                                while((read = src.Read(buf, 0, buf.Length)) != 0) {
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                                        dest.Write (buf, 0, read);
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                                }
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                        }
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                }
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        }
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        public class ThumbnailRequestHandler : PhotoRequestHandler
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        {       
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                public ThumbnailRequestHandler (LiveWebGalleryStats stats) 
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                        : base (stats) {}
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                protected override void SendImage (Photo photo, Stream dest) 
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                {
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                        Gdk.Pixbuf thumb = XdgThumbnailSpec.LoadThumbnail (photo.DefaultVersion.Uri, ThumbnailSize.Large);
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                        byte[] buf = thumb.SaveToBuffer ("png");
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                        SendHeadersAndStartContent(dest, "Content-Type: " + MimeTypeForExt (".png"),
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                                                                                         "Content-Length: " + buf.Length,
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                                                                 "Last-Modified: " + photo.Time.ToString ("r"));
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                        dest.Write (buf, 0, buf.Length);
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                }
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        }
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}