From cc2b8884c02f70f7a086e3c9aeee0abd42c97135 Mon Sep 17 00:00:00 2001
From: Tomeu Vizoso <tomeu@tomeuvizoso.net>
Date: Tue, 3 Jul 2007 22:42:17 +0200
Subject: [PATCH] Be smarter when choosing one mime type from the targets
 offered.

---
 services/clipboard/clipboardobject.py | 22 ++++++----------------
 shell/view/clipboardmenu.py           | 15 +++++++--------
 sugar/util.py                         | 25 +++++++++++++++++++++++++
 3 files changed, 38 insertions(+), 24 deletions(-)

diff --git a/services/clipboard/clipboardobject.py b/services/clipboard/clipboardobject.py
index d042fb53..133e667d 100644
--- a/services/clipboard/clipboardobject.py
+++ b/services/clipboard/clipboardobject.py
@@ -20,6 +20,7 @@ import urlparse
 
 from sugar.objects import mime
 from sugar import activity
+from sugar import util
 
 import objecttypeservice
 
@@ -106,32 +107,21 @@ class ClipboardObject:
         return self._formats
 
     def get_mime_type(self):
-        logging.debug('Choosing between %r.' % self._formats.keys())
         if not self._formats:
             return ''
 
-        if 'text/uri-list' in self._formats.keys():
+        format = util.choose_most_significant_mime_type(self._formats.keys())
+
+        if format == 'text/uri-list':
             data = self._formats['text/uri-list'].get_data()
             uris = data.split('\n')
             if len(uris) == 1 or not uris[1]:
                 uri = urlparse.urlparse(uris[0], 'file')
                 if uri.scheme == 'file':
                     logging.debug('Choosed %r!' % mime.get_for_file(uri.path))
-                    return mime.get_for_file(uri.path)
+                    format = mime.get_for_file(uri.path)
 
-        for mime_category in ['image/', 'text/', 'application/']:
-            for mime_type in self._formats.keys():
-                if mime_type.startswith(mime_category) and \
-                        not mime_type.split('/')[1].startswith('_'):
-                    mime_type = mime_type.split(';')[0]
-                    logging.debug('Choosed %r!' % mime_type)
-                    return mime_type
-
-        if 'STRING' in self._formats.keys():
-            return 'text/plain'
-
-        logging.debug('Returning first: %r.' % self._formats.keys()[0])
-        return self._formats.keys()[0]
+        return format
 
 class Format:
 
diff --git a/shell/view/clipboardmenu.py b/shell/view/clipboardmenu.py
index 4be17bf1..9be8fb87 100644
--- a/shell/view/clipboardmenu.py
+++ b/shell/view/clipboardmenu.py
@@ -13,10 +13,12 @@
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
 from gettext import gettext as _
 import tempfile
 import urlparse
 import os
+import logging
 
 import gtk
 import hippo
@@ -31,6 +33,7 @@ from sugar.clipboard import clipboardservice
 from sugar.datastore import datastore
 from sugar.objects import mime
 from sugar import profile
+from sugar import util
 
 class ClipboardMenu(Palette):
     
@@ -151,18 +154,13 @@ class ClipboardMenu(Palette):
         cb_service = clipboardservice.get_instance()
         obj = cb_service.get_object(self._object_id)
 
-        if len(obj['FORMATS']) == 0:
-            return
+        format = util.choose_most_significant_mime_type(obj['FORMATS'])
+        data = cb_service.get_object_data(self._object_id, format)
 
-        if 'text/uri-list' in obj['FORMATS']:
-            data = cb_service.get_object_data(self._object_id, 'text/uri-list')
+        if format == 'text/uri-list':
             file_path = urlparse.urlparse(data['DATA']).path
             mime_type = mime.get_for_file(file_path)
         else:
-            # TODO: Find a way to choose the best mime-type from all the available.
-            mime_type = obj['FORMATS'][0]
-
-            data = cb_service.get_object_data(self._object_id, mime_type)
             if data['ON_DISK']:
                 file_path = urlparse.urlparse(data['DATA']).path
             else:
@@ -171,6 +169,7 @@ class ClipboardMenu(Palette):
                     os.write(f, data['DATA'])
                 finally:
                     os.close(f)
+            mime_type = format
 
         jobject = datastore.create()
         jobject.metadata['title'] = _('Clipboard object: %s.') % obj['NAME']
diff --git a/sugar/util.py b/sugar/util.py
index 7b895be7..497eb538 100644
--- a/sugar/util.py
+++ b/sugar/util.py
@@ -22,6 +22,8 @@ import random
 import binascii
 import string
 import os
+import logging
+
 from ConfigParser import ConfigParser
 from ConfigParser import NoOptionError
 
@@ -125,3 +127,26 @@ def set_proc_title(title):
         return True
     except:
         return False
+
+def choose_most_significant_mime_type(mime_types):
+    logging.debug('Choosing between %r.' % mime_types)
+    if not mime_types:
+        return ''
+
+    if 'text/uri-list' in mime_types:
+        return 'text/uri-list'
+
+    for mime_category in ['image/', 'text/', 'application/']:
+        for mime_type in mime_types:
+            if mime_type.startswith(mime_category) and \
+                    not mime_type.split('/')[1].startswith('_'):
+                mime_type = mime_type.split(';')[0]
+                logging.debug('Choosed %r!' % mime_type)
+                return mime_type
+
+    if 'STRING' in mime_types:
+        return 'text/plain'
+
+    logging.debug('Returning first: %r.' % mime_types[0])
+    return mime_types[0]
+