From 810239ecc8816db69418aa227da2102b8a08c315 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Kristoffer=20Gr=C3=B6nlund?=
 <kristoffer.gronlund@purplescout.se>
Date: Fri, 8 Jan 2010 11:52:50 +0100
Subject: [PATCH] Possibly buggy updates of show artist / show album to do
 background fetching

---
 jamaui/showalbum.py  |   34 +++++++++++++++++++++++++++++++---
 jamaui/showartist.py |   37 +++++++++++++++++++++++++++++++------
 2 files changed, 62 insertions(+), 9 deletions(-)

diff --git a/jamaui/showalbum.py b/jamaui/showalbum.py
index 218d998..07a0e6d 100644
--- a/jamaui/showalbum.py
+++ b/jamaui/showalbum.py
@@ -36,6 +36,7 @@ import util
 import logging
 from albumlist import TrackList
 from playlists import add_to_playlist
+from fetcher import fetcher
 
 import webbrowser
 
@@ -46,6 +47,7 @@ class ShowAlbum(hildon.StackableWindow):
         hildon.StackableWindow.__init__(self)
         self.set_title(album.artist_name)
         self.album = album
+        self.fetcher = None
 
         self.connect('destroy', self.on_destroy)
 
@@ -70,9 +72,10 @@ class ShowAlbum(hildon.StackableWindow):
         self.tracks = TrackList(numbers=True)
         self.tracks.connect('row-activated', self.row_activated)
 
-        self.tracklist = jamaendo.get_tracks(album.ID)
-        for track in self.tracklist:
-            self.tracks.add_track(track)
+        self.tracklist = []
+        #self.tracklist = jamaendo.get_tracks(album.ID)
+        #for track in self.tracklist:
+        # self.tracks.add_track(track)
 
         top_hbox.pack_start(vbox1, False)
         top_hbox.pack_start(vbox2, True)
@@ -92,6 +95,7 @@ class ShowAlbum(hildon.StackableWindow):
         postoffice.notify('request-album-cover', self.album.ID, 300)
 
         self.create_menu()
+        self.start_track_fetcher()
 
     def create_menu(self):
         def on_player(*args):
@@ -111,6 +115,29 @@ class ShowAlbum(hildon.StackableWindow):
 
     def on_destroy(self, wnd):
         postoffice.disconnect('album-cover', self)
+        if self.fetcher:
+            self.fetcher.stop()
+            self.fetcher = None
+
+    def start_track_fetcher(self):
+        if self.fetcher:
+            self.fetcher.stop()
+            self.fetcher = None
+        self.fetcher = Fetcher(jamaendo.starred_radios, self,
+                               on_item = self.on_radio_result,
+                               on_ok = self.on_radio_complete,
+                               on_fail = self.on_radio_complete)
+        self.fetcher.start()
+
+    def on_track_result(self, wnd, item):
+        if wnd is self:
+            self.tracklist.append(item)
+            self.tracks.add_track(item)
+
+    def on_track_complete(self, wnd, error=None):
+        if wnd is self:
+            self.fetcher.stop()
+            self.fetcher = None
 
     def on_album_cover(self, albumid, size, cover):
         if albumid == self.album.ID and size == 300:
@@ -158,6 +185,7 @@ class ShowAlbum(hildon.StackableWindow):
         self.open_item(self.album)
 
     def row_activated(self, treeview, path, view_column):
+        # TODO: wait for all tracks to load
         _id = self.tracks.get_track_id(path)
         playlist = Playlist(self.tracklist)
         playlist.jump_to(_id)
diff --git a/jamaui/showartist.py b/jamaui/showartist.py
index 7b830c7..1a6557f 100644
--- a/jamaui/showartist.py
+++ b/jamaui/showartist.py
@@ -34,6 +34,7 @@ from postoffice import postoffice
 import util
 import gobject
 from playlists import add_to_playlist, show_banner
+from fetcher import Fetcher
 
 import logging
 
@@ -48,6 +49,9 @@ class ShowArtist(hildon.StackableWindow):
         self.set_title(artist.name)
         self.artist = artist
 
+        self.connect('destroy', self.on_destroy)
+        self.fetcher = None
+
         top_hbox = gtk.HBox()
         self.image = gtk.Image()
         self.default_pixbuf = util.find_resource('album.png')
@@ -76,12 +80,7 @@ class ShowArtist(hildon.StackableWindow):
 
         self.add(top_hbox)
 
-        try:
-            self.albumlist = jamaendo.get_albums(artist.ID)
-            for album in self.albumlist:
-                self.albums.add_album(album)
-        except jamaendo.JamendoAPIException:
-            log.exception("Failed in get_albums(%s)"%(artist.ID))
+        self.albumlist = []
 
         postoffice.connect('images', self, self.on_images)
 
@@ -89,6 +88,32 @@ class ShowArtist(hildon.StackableWindow):
             postoffice.notify('request-images', [self.artist.image])
 
         self.create_menu()
+        self.start_album_fetcher()
+
+    def on_destroy(self, wnd):
+        if self.fetcher:
+            self.fetcher.stop()
+            self.fetcher = None
+
+    def start_album_fetcher(self):
+        if self.fetcher:
+            self.fetcher.stop()
+            self.fetcher = None
+        self.fetcher = Fetcher(lambda: jamaendo.get_albums(self.artist.ID), self,
+                               on_item = self.on_album_result,
+                               on_ok = self.on_album_complete,
+                               on_fail = self.on_album_complete)
+        self.fetcher.start()
+
+    def on_album_result(self, wnd, item):
+        if wnd is self:
+            self.albums.add_album(item)
+            self.albumlist.append(item)
+
+    def on_album_complete(self, wnd, error=None):
+        if wnd is self:
+            self.fetcher.stop()
+            self.fetcher = None
 
     def create_menu(self):
         def on_player(*args):
-- 
1.7.9.5