[rhythmbox] artdisplay: emit rb:coverArt-uri notification when we get an image

[Jonathan Matthew <jmatthew src gnome org>]

commit c69be50caa1d2ea42f100c12efec6849f61cb4d9
Author: Jonathan Matthew <jonathan d14n org>
Date:   Mon Jul 5 11:18:44 2010 +1000

    artdisplay: emit rb:coverArt-uri notification when we get an image
    
    This allows other plugins to use just the cover art URI (not the pixbuf)
    to deal with album art for the playing entry.

 plugins/artdisplay/artdisplay/__init__.py |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/plugins/artdisplay/artdisplay/__init__.py b/plugins/artdisplay/artdisplay/__init__.py
index d047c1a..6faa748 100644
--- a/plugins/artdisplay/artdisplay/__init__.py
+++ b/plugins/artdisplay/artdisplay/__init__.py
@@ -362,6 +362,7 @@ class ArtDisplayPlugin (rb.Plugin):
 			sp.connect ('playing-song-changed', self.playing_entry_changed),
 			sp.connect ('playing-changed', self.playing_changed)
 		)
+		self.emitting_uri_notify = False
 		db = shell.get_property ("db")
 		self.db_cb_ids = (
 			db.connect_after ('entry-extra-metadata-request::rb:coverArt', self.cover_art_request),
@@ -438,6 +439,10 @@ class ArtDisplayPlugin (rb.Plugin):
 			# in which case consumers won't be ready yet.
 			def idle_emit_art():
 				db.emit_entry_extra_metadata_notify (entry, "rb:coverArt", pixbuf)
+				if uri:
+					self.emitting_uri_notify = True
+					db.emit_entry_extra_metadata_notify (entry, "rb:coverArt-uri", uri)
+					self.emitting_uri_notify = False
 				return False
 			gobject.idle_add(idle_emit_art)
 
@@ -465,12 +470,17 @@ class ArtDisplayPlugin (rb.Plugin):
 		# cache the pixbuf so we can provide a url
 		uri = self.art_db.cache_pixbuf (db, entry, metadata)
 		self.art_widget.set (entry, metadata, uri, None, None, False)
+		self.emitting_uri_notify = True
 		db.emit_entry_extra_metadata_notify (entry, "rb:coverArt-uri", uri)
+		self.emitting_uri_notify = False
 
 	def cover_art_uri_notify (self, db, entry, field, metadata):
 		if entry != self.current_entry:
 			return
 
+		if self.emitting_uri_notify:
+			return
+
 		if not metadata:
 			print "got no-cover-art notification"
 			self.art_widget.set (entry, None, None, False)