src/bitmapimage.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * bitmapimage.h
   4  *
   5  * Contact:
   6  *   Moonlight List (moonlight-list@lists.ximian.com)
   7  *
   8  * Copyright 2007-2008 Novell, Inc. (http://www.novell.com)
   9  *
  10  * See the LICENSE file included with the distribution for details.
  11  *
  12  */
  13
  14 #ifndef __BITMAPIMAGE_H__
  15 #define __BITMAPIMAGE_H__
  16
  17 #include <gdk/gdkpixbuf.h>
  18
  19 #include "utils.h"
  20 #include "dependencyobject.h"
  21 #include "downloader.h"
  22 #include "bitmapsource.h"
  23
  24 /* @Namespace=System.Windows.Media.Imaging */
  25 class BitmapImage : public BitmapSource {
  26  private:
  27         Downloader *downloader;
  28         GdkPixbufLoader *loader;
  29         GError *gerror;
  30         char *part_name;
  31         Cancellable *get_res_aborter;
  32         DownloaderAccessPolicy policy;
  33
  34  protected:
  35         virtual ~BitmapImage ();
  36
  37  public:
  38         /* @GenerateCBinding,GeneratePInvoke */
  39         BitmapImage ();
  40         virtual void Dispose ();
  41
  42         /* @PropertyType=Uri,AlwaysChange,GenerateAccessors,DefaultValue=Uri() */
  43         const static int UriSourceProperty;
  44         /* @PropertyType=double,DefaultValue=0.0,GenerateAccessors */
  45         const static int ProgressProperty;
  46
  47         void SetUriSource (Uri* value);
  48         Uri* GetUriSource ();
  49
  50         void SetProgress (double progress);
  51         double GetProgress ();
  52
  53         void SetDownloadPolicy (DownloaderAccessPolicy dlpolicy)
  54         {
  55                 policy = dlpolicy;
  56         }
  57
  58         bool ValidateDownloadPolicy ();
  59
  60         void CleanupLoader ();
  61         void CreateLoader (unsigned char *buffer);
  62         /* @GenerateCBinding,GeneratePInvoke */
  63         void PixbufWrite (gpointer buffer, gint32 offset, gint32 n);
  64         /* @GenerateCBinding,GeneratePInvoke */
  65         void PixmapComplete ();
  66
  67         virtual void OnPropertyChanged (PropertyChangedEventArgs *args, MoonError *error);
  68
  69         /* @DelegateType=EventHandler<DownloadProgressEventArgs> */
  70         const static int DownloadProgressEvent;
  71         /* @DelegateType=EventHandler<ExceptionRoutedEventArgs> */
  72         const static int ImageFailedEvent;
  73         /* @DelegateType=EventHandler<RoutedEventArgs> */
  74         const static int ImageOpenedEvent;
  75
  76         void SetDownloader (Downloader *downloader, Uri *uri, const char *part_name);
  77         void CleanupDownloader ();
  78         void DownloaderProgressChanged ();
  79         void DownloaderComplete ();
  80         void DownloaderFailed ();
  81         void UriSourceChanged ();
  82         void Abort ();
  83
  84         static void uri_source_changed_callback (EventObject *user_data);
  85         static void downloader_progress_changed (EventObject *sender, EventArgs *calldata, gpointer closure);
  86         static void downloader_complete (EventObject *sender, EventArgs *calldata, gpointer closure);
  87         static void downloader_failed (EventObject *sender, EventArgs *calldata, gpointer closure);
  88         static void pixbuf_write (void *buffer, gint32 offset, gint32 n, gpointer data);
  89 };
  90
  91 #endif /* __BITMAPIMAGE_H__ */