Util/GnomeFu.cs

   1 //
   2 // GnomeFu.cs
   3 //
   4 // Copyright (C) 2005 Novell, Inc.
   5 // Copyright (C) 2003, Mariano Cano P�rez <mariano.cano@hispalinux.es>
   6 //
   7 // Permission is hereby granted, free of charge, to any person obtaining a copy
   8 // of this software and associated documentation files (the "Software"), to deal
   9 // in the Software without restriction, including without limitation the rights
  10 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 // copies of the Software, and to permit persons to whom the Software is
  12 // furnished to do so, subject to the following conditions:
  13 //
  14 // The above copyright notice and this permission notice shall be included in all
  15 // copies or substantial portions of the Software.
  16 //
  17 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 // SOFTWARE.
  24 //
  25
  26 using Gtk;
  27 using GLib;
  28 using System;
  29 using System.Runtime.InteropServices;
  30 using System.IO;
  31
  32 namespace Beagle.Util {
  33
  34         public class GnomeFu {
  35
  36                 private static Gtk.IconTheme icon_theme = null;
  37
  38                 // FIXME: When gtk-sharp 2.5 is a requirement
  39                 // use Gnome.Vfs.MimeApplication stuff instead
  40                 [DllImport("libgnomevfs-2")]
  41                 static extern IntPtr gnome_vfs_mime_get_default_application(string mime_type);
  42
  43                 static GnomeFu ()
  44                 {
  45                         Gnome.Vfs.Vfs.Initialize ();
  46                 }
  47
  48                 public static string GetMimeIconPath (string mimetype)
  49                 {
  50                         if (icon_theme == null)
  51                                 icon_theme = Gtk.IconTheme.Default;
  52
  53                         Gnome.IconLookupResultFlags result;
  54
  55                         // FIXME when ximian bug #76540 is fixed
  56                         // change "new Gnome.Vfs.FileInfo (IntPtr.Zero)" to "null"
  57                         string icon_name = Gnome.Icon.Lookup (icon_theme, null, null, null, new Gnome.Vfs.FileInfo (IntPtr.Zero), mimetype, (Gnome.IconLookupFlags) 0, out result);
  58                         if (icon_name == null)
  59                                 return null;
  60
  61                         Gtk.IconInfo icon_info = icon_theme.LookupIcon (icon_name, 48, 0);
  62                         if (icon_info == null)
  63                                 return null;
  64
  65                         return icon_info.Filename;
  66                 }
  67
  68                 public static VFSMimeApplication GetDefaultAction(string mime_type)
  69                 {
  70                         IntPtr ptr = gnome_vfs_mime_get_default_application(mime_type);
  71                         VFSMimeApplication ret = VFSMimeApplication.New(ptr);
  72                         return ret;
  73                 }
  74
  75                 public enum VFSMimeApplicationArgumentType
  76                 {
  77                         Uris,
  78                         Path,
  79                         UrisForNonFiles
  80                 }
  81
  82                 [StructLayout(LayoutKind.Sequential)]
  83                 public struct VFSMimeApplication
  84                 {
  85                         public string id;
  86                         public string name;
  87                         public string command;
  88                         public bool can_open_multiple_files;
  89                         public VFSMimeApplicationArgumentType expects_uris;
  90                         //public List supported_uri_schemes;
  91                         private IntPtr supported_uri_schemes;
  92                         public bool requires_terminal;
  93
  94                         public IntPtr reserved1;
  95                         public IntPtr reserved2;
  96
  97                         public static VFSMimeApplication Zero = new VFSMimeApplication ();
  98
  99                         public static VFSMimeApplication New (IntPtr raw)
 100                         {
 101                                 if(raw == IntPtr.Zero)
 102                                         return VFSMimeApplication.Zero;
 103                                 VFSMimeApplication self = new VFSMimeApplication();
 104                                 self = (VFSMimeApplication) Marshal.PtrToStructure (raw, self.GetType ());
 105                                 return self;
 106                         }
 107
 108                         //Fixme: Create the supported uri schemes struct
 109                         public List SupportedUriSchemes {
 110                                 get { return new List (supported_uri_schemes); }
 111                         }
 112
 113                         public static bool operator == (VFSMimeApplication a, VFSMimeApplication b)
 114                         {
 115                                 return a.Equals (b);
 116                         }
 117
 118                         public static bool operator != (VFSMimeApplication a, VFSMimeApplication b)
 119                         {
 120                                 return ! a.Equals (b);
 121                         }
 122
 123                         public override bool Equals (object o)
 124                         {
 125                                 //if (!(o is GnomeVFSMimeApplication))
 126                                 //       return false;
 127                                 return base.Equals(o)  ;
 128                         }
 129
 130                         public override int GetHashCode ()
 131                         {
 132                                 return base.GetHashCode ();
 133                         }
 134                 }
 135
 136         }
 137
 138 }