Try to retrieve online art automatically

Use an idle function to retrieve the album art and set it into the image.
Uninstall the function on when moving to other song

diff --git a/src/edit_panel.py b/src/edit_panel.py
index 2cd72a5..d665180 100755 (executable)
--- a/src/edit_panel.py
+++ b/src/edit_panel.py
@@ -1,9 +1,10 @@
 #!/usr/bin/env python2.5
 import hildon
-import gtk
+import gtk, gobject
 from mutagen_backend import MutagenBackend
 from player_backend import MediaPlayer
 import album_art_spec
+from album_art import MussorgskyAlbumArt
 import os
 
 # Fields in the tuple!
@@ -21,6 +22,7 @@ class MussorgskyEditPanel (hildon.StackableWindow):
         self.set_border_width (12)
         self.writer = MutagenBackend ()
         self.player = MediaPlayer ()
+        self.album_art_retriever = MussorgskyAlbumArt ()
         self.albums_list = albums_list
         self.artists_list = artists_list
         self.add (self.__create_view ())
@@ -33,8 +35,11 @@ class MussorgskyEditPanel (hildon.StackableWindow):
 
         self.albums_selector = None
         self.albums_dialog = None
+        self.album_callback_id = -1
+
         
     def set_songs_list (self, songs_list):
+        if (songs_list and len (songs_list) > 0):
             self.songs_list = songs_list
             self.set_data_in_view (songs_list [0])
             self.song_counter = 0
@@ -46,6 +51,10 @@ class MussorgskyEditPanel (hildon.StackableWindow):
         if (self.banner and self.banner.get_property("visible")):
             self.banner.destroy ()
 
+        if (self.album_callback_id != -1):
+            gobject.source_remove (self.album_callback_id)
+            self.album_callback_id = -1
+
         if self.__is_view_dirty ():
             print "Modified data. Save!"
             self.save_metadata ()
@@ -61,6 +70,10 @@ class MussorgskyEditPanel (hildon.StackableWindow):
         if (self.banner and self.banner.get_property("visible")):
             self.banner.destroy ()
 
+        if (self.album_callback_id != -1):
+            gobject.source_remove (self.album_callback_id)
+            self.album_callback_id = -1
+
         if self.__is_view_dirty ():
             print "Modified data. Save!"
             self.save_metadata ()
@@ -205,10 +218,12 @@ class MussorgskyEditPanel (hildon.StackableWindow):
         has_album = False
         if (song[ALBUM_KEY]):
             thumb = album_art_spec.getCoverArtThumbFileName (song[ALBUM_KEY])
-            print "%s -> %s" % (song[ALBUM_KEY], thumb)
+           print "%s -> %s" % (song[ALBUM_KEY], thumb)
             if (os.path.exists (thumb)):
                 self.album_art.set_from_file (thumb)
                 has_album = True
+            else:
+                self.album_callback_id = gobject.idle_add (self.retrieve_album_art, song[ARTIST_KEY], song[ALBUM_KEY])
                 
         if (not has_album):
             self.album_art.set_from_stock (gtk.STOCK_CDROM, gtk.ICON_SIZE_DIALOG)
@@ -219,6 +234,16 @@ class MussorgskyEditPanel (hildon.StackableWindow):
             self.banner.set_text ("Unsupported format (%s)" % song[MIME_KEY])
             self.banner.show_all ()
 
+    def retrieve_album_art (self, artist, album):
+        print "trying to get the album art"
+        (img, thumb) = self.album_art_retriever.get_album_art (artist, album)
+        if (thumb):
+            self.album_art.set_from_file (thumb)
+        else:
+            print "Unable to retrieve album art"
+
+        return False
+        
     def clicked_play (self, widget):
         if (self.player.is_playing ()):
             self.player.stop ()
@@ -269,6 +294,7 @@ if __name__ == "__main__":
 
     TEST_DATA = [("/a/b/c/d.mp3", "Music", "", "title", "album", "audio/mpeg"),
                  ("/home/user/mufix/dejame.mp3", "Music", "", "title", "album 2", "a/b"),
+                ("/media/mmc1/Attachments/1-14 Una Rosa Es Una Rosa.m4a", "Music", "", "Una rosa es una rosa", "Ana, Jose, Nacho", "audio/mpeg"),
                  ("/home/user/mufix/3.mp2", "Music", "", "titlex", "album 3", "audio/mpeg")]
     ALBUMS = [["Album %d" % i] for i in range (0, 10)]
     ARTISTS = [["Artist %d" % i] for i in range (0, 10)]