Recognize downloaded .xo as such.

data/mime.types

@@ -1,2 +1,3 @@
 application/x-squeak-project	pr
 application/x-abiword		abw
+application/vnd.olpc-x-sugar	xo

services/clipboard/typeregistry.py

@@ -237,6 +237,26 @@ class UriListFileType(FileType):
         return mime_type in cls._types
     matches_mime_type = classmethod(matches_mime_type)
 
+class XoFileType(FileType):
+    
+    _types = set(['application/vnd.olpc-x-sugar'])
+
+    def get_name(self):
+        return _('Activity package')
+
+    def get_icon(self):
+        return 'theme:stock-missing'
+
+    def get_preview(self):
+        return ''
+
+    def get_activity(self):
+        return ''
+        
+    def matches_mime_type(cls, mime_type):
+        return mime_type in cls._types
+    matches_mime_type = classmethod(matches_mime_type)
+
 class UnknownFileType(FileType):
     def get_name(self):
         return _('Object')
@@ -267,10 +287,12 @@ class TypeRegistry:
         self._types.append(AbiwordFileType)
         self._types.append(TextFileType)
         self._types.append(SqueakProjectFileType)
+        self._types.append(XoFileType)
     
     def get_type(self, formats):
         for file_type in self._types:
             for format, data in formats.iteritems():
+                logging.debug(format)
                 if file_type.matches_mime_type(format):
                     return file_type(formats)