git.maemo.org Git - jamaendo/blob - jamaui/showartist.py

   1 #!/usr/bin/env python
   2 #
   3 # This file is part of Jamaendo.
   4 # Copyright (c) 2010 Kristoffer Gronlund
   5 #
   6 # Jamaendo is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # Jamaendo is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with Jamaendo.  If not, see <http://www.gnu.org/licenses/>.
  18 #
  19 # Player code heavily based on http://thpinfo.com/2008/panucci/:
  20 #  A resuming media player for Podcasts and Audiobooks
  21 #  Copyright (c) 2008-05-26 Thomas Perl <thpinfo.com>
  22 #  (based on http://pygstdocs.berlios.de/pygst-tutorial/seeking.html)
  23 #
  24 import os
  25 import gtk
  26 try:
  27     import hildon
  28 except:
  29     import helldon as hildon
  30 import jamaendo
  31 from playerwindow import open_playerwindow
  32 from albumlist import AlbumList
  33 from postoffice import postoffice
  34 import util
  35 import gobject
  36 from playlists import add_to_playlist, show_banner
  37 from fetcher import Fetcher
  38
  39 import logging
  40
  41 log = logging.getLogger(__name__)
  42
  43 class ShowArtist(hildon.StackableWindow):
  44     ICON_SIZE = 200
  45
  46     def __init__(self, artist):
  47         hildon.StackableWindow.__init__(self)
  48         self.connect('destroy', self.on_destroy)
  49         self.set_title(artist.name)
  50         self.artist = artist
  51
  52         self.connect('destroy', self.on_destroy)
  53         self.fetcher = None
  54
  55         top_hbox = gtk.HBox()
  56         self.image = gtk.Image()
  57         self.default_pixbuf = util.find_resource('album.png')
  58         self.image.set_from_pixbuf(self.get_default_pixbuf())
  59
  60         self.panarea = hildon.PannableArea()
  61         vbox = gtk.VBox(False, 0)
  62
  63         self.albums = AlbumList()
  64         self.albums.loading_message = "No albums"
  65         self.albums.empty_message = "No albums"
  66         self.albums.show_artist(False)
  67         self.albums.connect('row-activated', self.row_activated)
  68
  69         self.panarea.add(self.albums)
  70         vbox.pack_start(self.panarea, True, True, 0)
  71         #self.add(vbox)
  72
  73         #imgalign = gtk.Alignment(xalign=0.2, yalign=0.4, xscale=1.0)
  74         #alignment.add(bbox)
  75
  76         self.image.set_alignment(0.5, 0.0)
  77
  78         top_hbox.pack_start(self.image, False)
  79         top_hbox.pack_start(vbox)
  80
  81         self.add(top_hbox)
  82
  83         self.albumlist = []
  84
  85         postoffice.connect('images', self, self.on_images)
  86
  87         if self.artist.image:
  88             postoffice.notify('request-images', [self.artist.image])
  89
  90         self.create_menu()
  91         self.start_album_fetcher()
  92
  93     def on_destroy(self, wnd):
  94         postoffice.disconnect('images', self)
  95         if self.fetcher:
  96             self.fetcher.stop()
  97             self.fetcher = None
  98
  99     def start_album_fetcher(self):
 100         if self.fetcher:
 101             self.fetcher.stop()
 102             self.fetcher = None
 103         self.fetcher = Fetcher(lambda: jamaendo.get_albums(self.artist.ID), self,
 104                                on_item = self.on_album_result,
 105                                on_ok = self.on_album_complete,
 106                                on_fail = self.on_album_complete)
 107         self.fetcher.start()
 108
 109     def on_album_result(self, wnd, item):
 110         if wnd is self:
 111             self.albums.add_album(item)
 112             self.albumlist.append(item)
 113
 114     def on_album_complete(self, wnd, error=None):
 115         if wnd is self:
 116             self.fetcher.stop()
 117             self.fetcher = None
 118
 119     def create_menu(self):
 120         def on_player(*args):
 121             from playerwindow import open_playerwindow
 122             open_playerwindow()
 123         self.menu = hildon.AppMenu()
 124         player = hildon.GtkButton(gtk.HILDON_SIZE_AUTO)
 125         player.set_label("Open player")
 126         player.connect("clicked", on_player)
 127         self.menu.append(player)
 128         player = hildon.GtkButton(gtk.HILDON_SIZE_AUTO)
 129         player.set_label("Add to playlist")
 130         player.connect("clicked", self.on_add_to_playlist)
 131         self.menu.append(player)
 132         self.menu.show_all()
 133         self.set_app_menu(self.menu)
 134
 135     def start_addpl_fetcher(self):
 136         if self.fetcher:
 137             self.fetcher.stop()
 138             self.fetcher = None
 139         def fetchgen():
 140             for album in self.albumlist:
 141                 yield jamaendo.get_tracks(album.ID)
 142             raise StopIteration
 143         self.fetcher = Fetcher(fetchgen, self,
 144                                on_item = self.on_addpl_result,
 145                                on_ok = self.on_addpl_complete,
 146                                on_fail = self.on_addpl_complete)
 147         self.fetcher.tracklist = []
 148         self.fetcher.pdlg = gtk.Dialog("Fetching album tracks", self)
 149         self.fetcher.pbar = gtk.ProgressBar()
 150         self.fetcher.pbar.set_fraction(0)
 151         self.fetcher.pdlg.vbox.add(self.fetcher.pbar)
 152         self.fetcher.pdlg.show_all()
 153         self.fetcher.ppos = 1
 154         self.fetcher.start()
 155
 156     def on_addpl_result(self, wnd, items):
 157         if wnd is self:
 158             self.fetcher.tracklist.extend(items)
 159             self.fetcher.ppos += 1
 160             self.fetcher.pbar.set_fraction(float(self.fetcher.ppos)/float(len(self.albumlist)+1))
 161
 162     def on_addpl_complete(self, wnd, error=None):
 163         if wnd is self:
 164             self.fetcher.stop()
 165             self.fetcher.pdlg.destroy()
 166             if self.fetcher.tracklist:
 167                 add_to_playlist(self, self.fetcher.tracklist)
 168             self.fetcher = None
 169
 170
 171     def on_add_to_playlist(self, button, user_data=None):
 172         if self.albumlist:
 173             self.start_addpl_fetcher()
 174         else:
 175             show_banner(self, "Error when opening track list")
 176
 177     def get_pixbuf(self, img):
 178         try:
 179             return gtk.gdk.pixbuf_new_from_file_at_size(img,
 180                                                         self.ICON_SIZE,
 181                                                         self.ICON_SIZE)
 182         except gobject.GError:
 183             log.error("Broken image in cache: %s", img)
 184             try:
 185                 os.unlink(img)
 186             except OSError, e:
 187                 log.warning("Failed to unlink broken image.")
 188             if img != self.default_pixbuf:
 189                 return self.get_default_pixbuf()
 190             else:
 191                 return None
 192
 193     def get_default_pixbuf(self):
 194         if self.default_pixbuf:
 195             return self.get_pixbuf(self.default_pixbuf)
 196
 197     def on_images(self, images):
 198         for url, image in images:
 199             if url == self.artist.image:
 200                 pb = self.get_pixbuf(image)
 201                 if pb:
 202                     self.image.set_from_pixbuf(pb)
 203
 204     def start_albumplay_fetcher(self, ID):
 205         if self.fetcher:
 206             self.fetcher.stop()
 207             self.fetcher = None
 208         def albumgen():
 209             yield jamaendo.get_album(ID)
 210             raise StopIteration
 211         self.fetcher = Fetcher(albumgen, self,
 212                                on_item = self.on_albumplay_result,
 213                                on_ok = self.on_albumplay_complete,
 214                                on_fail = self.on_albumplay_complete)
 215         self.fetcher.album = None
 216         self.fetcher.start()
 217
 218     def on_albumplay_result(self, wnd, item):
 219         if wnd is self:
 220             if isinstance(item, list):
 221                 self.fetcher.album = item[0]
 222             else:
 223                 self.fetcher.album = item
 224
 225     def on_albumplay_complete(self, wnd, error=None):
 226         if wnd is self:
 227             self.fetcher.stop()
 228             if self.fetcher.album:
 229                 self.open_item(self.fetcher.album)
 230             self.fetcher = None
 231
 232     def row_activated(self, treeview, path, view_column):
 233         _id = self.albums.get_album_id(path)
 234         self.start_albumplay_fetcher(_id)
 235
 236     def open_item(self, item):
 237         if isinstance(item, jamaendo.Album):
 238             from showalbum import ShowAlbum
 239             wnd = ShowAlbum(item)
 240             wnd.show_all()
 241         elif isinstance(item, jamaendo.Artist):
 242             wnd = ShowArtist(item)
 243             wnd.show_all()
 244         elif isinstance(item, jamaendo.Track):
 245             wnd = open_playerwindow()
 246             wnd.play_tracks([item])