Remuco Player Adapter for Gmusicbrowser

remuco-gmusicbrowser.py

#!/usr/bin/python

# =============================================================================
#
#    Remuco - A remote control system for media players.
#    Copyright (C) 2006-2010 by the Remuco team, see AUTHORS.
#
#    This file is part of Remuco.
#
#    Remuco 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 3 of the License, or
#    (at your option) any later version.
#
#    Remuco 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 Remuco.  If not, see <http://www.gnu.org/licenses/>.
#
# =============================================================================



"""Gmusicbrowser adapter for Remuco, implemented as an executable script.
	By Sayan "Riju" Chakrabarti <me[at]sayanriju.co.cc>
"""
import dbus
from dbus.exceptions import DBusException

import remuco
from remuco import log


class GmusicbrowserAdapter(remuco.PlayerAdapter):

    def __init__(self):
        remuco.PlayerAdapter.__init__(self, "Gmusicbrowser",
                                      progress_known=True,
                                      playback_known=True,
                                      volume_known=True)
        self.__ad = None
        self.__songLen=0
        self.__pos=0
        # Following is the value (100%) to which both the player
        # volume and the client volume is set when either the adapter
        # started OR the client is unmuted.
        self.__vol=100

    def start(self):
        remuco.PlayerAdapter.start(self)
        log.debug("here we go")
        try:
            bus = dbus.SessionBus()
            obj = bus.get_object("org.gmusicbrowser","/org/gmusicbrowser")
            self.__ad = dbus.Interface(obj, "org.gmusicbrowser")
        except DBusException, e:
            raise StandardError("dbus error: %s" % e)

        # Set Current Song at start
        self.poll()
        # Increase player vol until its 100% to match client vol
        for i in range(0,10):
            self.__ad.RunCommand("IncVolume")
        self.update_volume(self.__vol)

    def stop(self):
        remuco.PlayerAdapter.stop(self)
        log.debug("bye, turning off the light")
        self.__ad = None

    def poll(self):
        item = self.__ad.CurrentSong()
        self.__songLen = int(item['length'])
        self.__pos=int(self.__ad.GetPosition())
        playing = self.__ad.Playing()
        self.update_item('',item,'')
        self.update_progress(self.__pos,self.__songLen)
        if playing:
            self.update_playback(remuco.PLAYBACK_PLAY)
        else:
            self.update_playback(remuco.PLAYBACK_PAUSE)
        self.update_volume(self.__vol)



    # =========================================================================
    # control interface
    # =========================================================================

    def ctrl_toggle_playing(self):
        log.debug("toggle FooPlay's playing status")
        self.__ad.RunCommand("PlayPause")
        self.poll()

    def ctrl_next(self):
        self.__ad.RunCommand("NextSongInPlaylist")
        self.poll()

    def ctrl_previous(self):
        self.__ad.RunCommand("PrevSongInPlaylist")
        self.poll()

    def ctrl_volume(self, direction):
        if direction == 0:
            self.__ad.RunCommand("TogMute")
            if self.__vol != 0:
                self.__vol=0
            else:
                self.__vol=100
                for i in range(0,10):
                    self.__ad.RunCommand("IncVolume")
        elif direction == -1:
            self.__ad.RunCommand("DecVolume")
            self.__vol=(self.__vol -10) if self.__vol>=10 else 0
        else:
            self.__ad.RunCommand("IncVolume")
            self.__vol=(self.__vol+10) if self.__vol<=90 else 100

        self.update_volume(self.__vol)

    def ctrl_seek(self, direction):
        if direction == -1:
            self.__ad.RunCommand("Rewind 5")
        else:
            self.__ad.RunCommand("Forward 5")
        self.poll()


    # =========================================================================
    # request interface
    # =========================================================================

    # NOT YET IMPLEMENTED IN GMUSICBROWSER


# =============================================================================
# main (example startup using remuco.Manager)
# =============================================================================

if __name__ == '__main__':
    pa = GmusicbrowserAdapter() # create the player adapter
    mg = remuco.Manager(pa,dbus_name="org.gmusicbrowser")# # pass it to a manager
    mg.run() # run the manager (blocks until interrupt signal