[rhythmbox] add IM status plugin

[Jonathan Matthew <jmatthew src gnome org>]

commit f743b766ce9cd51425339d09fad99f2b419f4ec7
Author: Vincent Untz <vuntz gnome org>
Date:   Thu Apr 30 15:13:13 2009 +1000

    add IM status plugin
    
    This updates the IM status in Empathy and Gossip to describe the current
    playing song.
---
 configure.ac                             |    1 +
 plugins/Makefile.am                      |    1 +
 plugins/im-status/Makefile.am            |   14 ++
 plugins/im-status/im-status.rb-plugin.in |    9 ++
 plugins/im-status/im-status/__init__.py  |  207 ++++++++++++++++++++++++++++++
 po/POTFILES.in                           |    1 +
 6 files changed, 233 insertions(+), 0 deletions(-)

diff --git a/configure.ac b/configure.ac
index e4bdeb5..2ef5e3f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -807,6 +807,7 @@ plugins/cd-recorder/Makefile
 plugins/brasero-disc-recorder/Makefile
 plugins/daap/Makefile
 plugins/fmradio/Makefile
+plugins/im-status/Makefile
 plugins/ipod/Makefile
 plugins/mtpdevice/Makefile
 plugins/iradio/Makefile
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 8356757..0e7982f 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -24,6 +24,7 @@ SUBDIRS += 						\
 	jamendo						\
 	coherence					\
 	dontreallyclose					\
+	im-status					\
 	rb
 endif
 
diff --git a/plugins/im-status/Makefile.am b/plugins/im-status/Makefile.am
new file mode 100644
index 0000000..3c193bc
--- /dev/null
+++ b/plugins/im-status/Makefile.am
@@ -0,0 +1,14 @@
+# IM Status Python Plugin
+
+plugin_in_files = im-status.rb-plugin.in
+%.rb-plugin: %.rb-plugin.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*po) ; $(INTLTOOL_MERGE) $(top_srcdir)/po $< $@ -d -u -c $(top_builddir)/po/.intltool-merge-cache
+
+plugin_DATA = $(plugin_in_files:.rb-plugin.in=.rb-plugin)
+
+plugindir = $(PLUGINDIR)/im-status
+plugin_PYTHON = im-status/__init__.py
+
+EXTRA_DIST = $(plugin_in_files) $(plugin_PYTHON)
+
+CLEANFILES = $(plugin_DATA)
+DISTCLEANFILES = $(plugin_DATA)
diff --git a/plugins/im-status/im-status.rb-plugin.in b/plugins/im-status/im-status.rb-plugin.in
new file mode 100644
index 0000000..5e80b00
--- /dev/null
+++ b/plugins/im-status/im-status.rb-plugin.in
@@ -0,0 +1,9 @@
+[RB Plugin]
+Loader=python
+Module=im-status
+IAge=1
+_Name=IM Status
+_Description=Updates IM status according to the current song (works with Empathy & Gossip)
+Authors=Vincent Untz <vuntz gnome org>
+Copyright=Copyright © 2007-2008 Vincent Untz
+Website=http://www.vuntz.net/
diff --git a/plugins/im-status/im-status/__init__.py b/plugins/im-status/im-status/__init__.py
new file mode 100644
index 0000000..587362e
--- /dev/null
+++ b/plugins/im-status/im-status/__init__.py
@@ -0,0 +1,207 @@
+# coding: utf-8
+# vim: set et sw=2:
+# 
+# Copyright (C) 2007-2008 - Vincent Untz
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# The Rhythmbox authors hereby grant permission for non-GPL compatible
+# GStreamer plugins to be used and distributed together with GStreamer
+# and Rhythmbox. This permission is above and beyond the permissions granted
+# by the GPL license by which Rhythmbox is covered. If you modify this code
+# you may extend this exception to your version of the code, but you are not
+# obligated to do so. If you do not wish to do so, delete this exception
+# statement from your version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
+
+import rhythmdb, rb
+try:
+  import dbus
+  use_gossip = True
+except ImportError:
+  use_gossip = False
+try:
+  import empathy
+  use_empathy = True
+  empathy_idle = empathy.Idle ()
+except ImportError:
+  use_empathy = False
+
+NORMAL_SONG_ARTIST = 'artist'
+NORMAL_SONG_TITLE  = 'title'
+NORMAL_SONG_ALBUM  = 'album'
+STREAM_SONG_ARTIST = 'rb:stream-song-artist'
+STREAM_SONG_TITLE  = 'rb:stream-song-title'
+STREAM_SONG_ALBUM  = 'rb:stream-song-album'
+
+BUS_NAME = 'org.gnome.Gossip'
+OBJ_PATH = '/org/gnome/Gossip'
+IFACE_NAME = 'org.gnome.Gossip'
+
+class IMStatusPlugin (rb.Plugin):
+  def __init__ (self):
+    rb.Plugin.__init__ (self)
+
+  def activate (self, shell):
+    self.shell = shell
+    sp = shell.get_player ()
+    self.psc_id  = sp.connect ('playing-song-changed',
+                               self.playing_entry_changed)
+    self.pc_id   = sp.connect ('playing-changed',
+                               self.playing_changed)
+    self.pspc_id = sp.connect ('playing-song-property-changed',
+                               self.playing_song_property_changed)
+
+    self.current_entry = None
+    self.current_artist = None
+    self.current_title = None
+    self.current_album = None
+
+    self.save_status ()
+
+    if sp.get_playing ():
+      self.set_entry (sp.get_playing_entry ())
+
+  def deactivate (self, shell):
+    self.shell = None
+    sp = shell.get_player ()
+    sp.disconnect (self.psc_id)
+    sp.disconnect (self.pc_id)
+    sp.disconnect (self.pspc_id)
+
+    if self.current_entry is not None:
+      self.restore_status ()
+
+  def playing_changed (self, sp, playing):
+    if playing:
+      self.set_entry (sp.get_playing_entry ())
+    else:
+      self.current_entry = None
+      self.restore_status ()
+
+  def playing_entry_changed (self, sp, entry):
+    if sp.get_playing ():
+      self.set_entry (entry)
+
+  def playing_song_property_changed (self, sp, uri, property, old, new):
+    relevant = False
+    if sp.get_playing () and property in (NORMAL_SONG_ARTIST, STREAM_SONG_ARTIST):
+      self.current_artist = new
+      relevant = True
+    elif sp.get_playing () and property in (NORMAL_SONG_TITLE, STREAM_SONG_TITLE):
+      self.current_title = new
+      relevant = True
+    elif sp.get_playing () and property in (NORMAL_SONG_ALBUM, STREAM_SONG_ALBUM):
+      self.current_album = new
+      relevant = True
+
+    if relevant:
+      self.set_status ()
+
+  def set_entry (self, entry):
+    if entry == self.current_entry:
+      return
+
+    if self.current_entry == None:
+      self.save_status ()
+    self.current_entry = entry
+
+    if entry is None:
+      self.restore_status ()
+      return
+
+    self.set_status_from_entry ()
+
+  def set_status_from_entry (self):
+    db = self.shell.get_property ("db")
+    self.current_artist = db.entry_get (self.current_entry, rhythmdb.PROP_ARTIST)
+    self.current_title  = db.entry_get (self.current_entry, rhythmdb.PROP_TITLE)
+    self.current_album  = db.entry_get (self.current_entry, rhythmdb.PROP_ALBUM)
+
+    if self.current_entry.get_entry_type().category == rhythmdb.ENTRY_STREAM:
+      if not self.current_artist:
+        self.current_artist = db.entry_request_extra_metadata (self.current_entry, STREAM_SONG_ARTIST)
+      if not self.current_title:
+        self.current_title  = db.entry_request_extra_metadata (self.current_entry, STREAM_SONG_TITLE)
+      if not self.current_album:
+        self.current_album  = db.entry_request_extra_metadata (self.current_entry, STREAM_SONG_ALBUM)
+
+    self.set_status ()
+
+  def set_status (self):
+    if self.current_artist:
+      if self.current_title:
+        new_status = _(u"â?« %s - %s â?«") % (self.current_artist, self.current_title)
+      elif self.current_album:
+        new_status = _(u"â?« %s - %s â?«") % (self.current_artist, self.current_album)
+    elif self.current_album:
+      new_status = _(u"â?« %s â?«") % (self.current_album)
+    elif self.current_title:
+      new_status = _(u"â?« %s â?«") % (self.current_title)
+    else:
+      new_status = _(u"â?« Listening music... â?«")
+
+    self.set_gossip_status (new_status)
+    self.set_empathy_status (new_status)
+
+  def save_status (self):
+    self.saved_gossip = self.get_gossip_status ()
+    self.saved_empathy = self.get_empathy_status ()
+
+  def restore_status (self):
+    if self.saved_gossip != None:
+      self.set_gossip_status (self.saved_gossip)
+    if self.saved_empathy != None:
+      self.set_empathy_status (self.saved_empathy)
+
+  def set_gossip_status (self, new_status):
+    if not use_gossip:
+      return
+
+    try:
+      bus = dbus.SessionBus ()
+      gossip_obj = bus.get_object (BUS_NAME, OBJ_PATH)
+      gossip = dbus.Interface (gossip_obj, IFACE_NAME)
+
+      state, status = gossip.GetPresence ("")
+      gossip.SetPresence (state, new_status)
+    except dbus.DBusException:
+      pass
+
+  def get_gossip_status (self):
+    if not use_gossip:
+      return
+
+    try:
+      bus = dbus.SessionBus ()
+      gossip_obj = bus.get_object (BUS_NAME, OBJ_PATH)
+      gossip = dbus.Interface (gossip_obj, IFACE_NAME)
+
+      state, status = gossip.GetPresence ("")
+      return status
+    except dbus.DBusException:
+      return None
+
+  def set_empathy_status (self, new_status):
+    if not use_empathy:
+      return
+
+    empathy_idle.set_status (new_status)
+
+  def get_empathy_status (self):
+    if not use_empathy:
+      return
+
+    return empathy_idle.get_status ()
+
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 468abf9..ec1cee8 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -72,6 +72,7 @@ plugins/generic-player/rb-generic-player-plugin.c
 plugins/generic-player/rb-generic-player-source.c
 plugins/generic-player/rb-nokia770-source.c
 plugins/generic-player/rb-psp-source.c
+[type: gettext/ini]plugins/im-status/im-status.rb-plugin.in
 [type: gettext/ini]plugins/ipod/ipod.rb-plugin.in
 plugins/ipod/ipod-info.glade
 plugins/ipod/ipod-init.glade