Merge lp:~enli/lernid/async-slide-download into lp:lernid

[Peeyoosh Sangolekar]

=== modified file 'lernid/widgets/Slide.py'
--- lernid/widgets/Slide.py	2010-03-04 12:40:09 +0000
+++ lernid/widgets/Slide.py	2010-03-06 16:05:28 +0000
@@ -143,8 +143,11 @@
         path = os.path.join(save_cache_path('lernid'), 'slides.pdf')
         try:
             logging.debug('downloading slides from %s' % session.slides)
-            Statusbar.push_message(_('Downloading session slides...'), 'slidesession')
-            urllib.urlretrieve(session.slides, path)
+            def reporthook(blocks, bs, size):
+                Statusbar.pop_message('slidesession')
+                msg = _('Downloading session slides ({0} % of {1:.1} MB)...').format(100*blocks*bs/size, float(size)/float(1024*1024))
+                Statusbar.push_message(msg, 'slidesession')
+            urllib.urlretrieve(session.slides, path, reporthook)
             Statusbar.push_message(_('Slides have been downloaded'), 'slidesession')
             self._session_slide_downloaded = True
             self.emit('slides-downloaded')