search/Tiles/OpenWithMenu.cs

   1 using System;
   2 using System.Collections;
   3 using System.Runtime.InteropServices;
   4 using Gtk;
   5 using Gdk;
   6 using Gnome.Vfs;
   7
   8 namespace Search.Tiles {
   9
  10         public class OpenWithMenu : Gtk.Menu {
  11
  12                 public delegate void OpenWithHandler (MimeApplication app);
  13                 public event OpenWithHandler ApplicationActivated;
  14
  15                 private ArrayList list = null;
  16
  17                 private bool show_icons = true;
  18                 public bool ShowIcons {
  19                         get { return show_icons; }
  20                         set { show_icons = value; }
  21                 }
  22
  23                 static OpenWithMenu ()
  24                 {
  25                         Gnome.Vfs.Vfs.Initialize ();
  26                 }
  27
  28                 public OpenWithMenu (string mime)
  29                 {
  30                         list = GetApplications (mime);
  31
  32                         if (list == null)
  33                                 return;
  34
  35                         foreach (MimeApplication app in list) {
  36                                 ApplicationMenuItem i = new ApplicationMenuItem (this, app);
  37                                 i.Activated += HandleItemActivated;
  38                                 Append (i);
  39                         }
  40                 }
  41
  42                 public void AppendToMenu (Gtk.Menu menu)
  43                 {
  44                         if (list == null || list.Count == 0)
  45                                 return;
  46
  47                         Gtk.MenuItem open_with = new Gtk.MenuItem (Mono.Unix.Catalog.GetString ("Open With"));
  48                         open_with.Submenu = this;
  49                         open_with.ShowAll ();
  50                         menu.Append (open_with);
  51                 }
  52
  53                 private ArrayList GetApplications (string mime)
  54                 {
  55                         if (mime == null || mime == "")
  56                                 return null;
  57
  58                         ArrayList list = new ArrayList ();
  59
  60                         MimeApplication [] apps = Gnome.Vfs.Mime.GetAllApplications (mime);
  61
  62                         foreach (MimeApplication app in apps) {
  63                                 // Skip apps that don't take URIs
  64                                 if (! app.SupportsUris ())
  65                                         continue;
  66
  67                                 if (! list.Contains (app))
  68                                         list.Add (app);
  69                         }
  70
  71                         return list;
  72                 }
  73
  74                 private void HandleItemActivated (object sender, EventArgs args)
  75                 {
  76                         if (ApplicationActivated != null)
  77                                 ApplicationActivated ((sender as ApplicationMenuItem).Application);
  78                 }
  79
  80                 private class ApplicationMenuItem : ImageMenuItem {
  81
  82                         private MimeApplication application;
  83                         public MimeApplication Application {
  84                                 get { return application; }
  85                                 set { application = value; }
  86                         }
  87
  88                         public ApplicationMenuItem (OpenWithMenu menu, MimeApplication ma) : base (ma.Name)
  89                         {
  90                                 this.application = ma;
  91
  92                                 if (!menu.ShowIcons)
  93                                         return;
  94
  95                                 if (ma.Icon == null)
  96                                         return;
  97
  98                                 Gdk.Pixbuf pixbuf = null;
  99
 100                                 try {
 101                                         if (ma.Icon.StartsWith ("/"))
 102                                                 pixbuf = new Gdk.Pixbuf (ma.Icon, 16, 16);
 103                                         else
 104                                                 pixbuf = IconTheme.Default.LoadIcon (ma.Icon, 16,
 105                                                                                      (IconLookupFlags)0);
 106                                 } catch {
 107                                         pixbuf = null;
 108                                 }
 109
 110                                 if (pixbuf != null)
 111                                                 Image = new Gtk.Image (pixbuf);
 112                         }
 113                 }
 114         }
 115 }