File: __init__.py

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exaile 0.3.2.2-3
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#!/usr/bin/env python
# -*- coding: utf-8 -*-

# 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.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.

# Code based on Ingelrest François' "im status" plugin

import dbus
from gettext import gettext as _
from xl import event
import sys

##############################################################################

class Pidgin :

    def __init__(self, dbusInterface) :
        """
            Constructor
        """
        self.purple = dbusInterface

    def listAccounts(self) :
        """
            Purple merges all accounts, so we return a default one
            Each account is associated with:
                * A boolean -> True if the status of this account was changed on the previous track change
        """
        return {'GenericAccount' : False}

    def setStatus(self, status, attr, value):
        # this doesn't actually work, for some reason the getter always return ""
        if self.purple.PurpleStatusGetAttrString(status, attr) != value:
            self.purple.PurpleStatusSetAttrString(status, attr, value)
            return True
        return False

    def setTune(self, artist, title, album) :
        """
            Change the tune status
            Return True if the message is successfully updated
        """
        current = self.purple.PurpleSavedstatusGetCurrent()
        accounts = self.purple.PurpleAccountsGetAll()

        for account in accounts:
            if self.purple.PurpleAccountIsConnected(account) != True:
                continue
            p = self.purple.PurpleAccountGetPresence(account)
            status = self.purple.PurplePresenceGetStatus(p, "tune")

            if status != 0:
                updated = False
                if len(title) + len(artist) + len(album) == 0:
                    if self.purple.PurpleStatusIsActive(status):
                        self.purple.PurpleStatusSetActive(status, False)
                else:
                    self.purple.PurpleStatusSetActive(status, True)
                    updated |= self.setStatus(status, "tune_title", title);
                    updated |= self.setStatus(status, "tune_artist", artist);
                    updated |= self.setStatus(status, "tune_album", album);
                if updated:
                    active = self.purple.PurplePresenceGetActiveStatus(p)
                    self.purple.PurplePrplChangeAccountStatus(account, active, status)

        return True

##############################################################################

def on_begin_action(type, player, track):
    client.setTune(
            track.get_tag_display('artist'),
            track.get_tag_display('title'),
            track.get_tag_display('album')
            )

def on_stop_action(type, player, track):
    client.setTune("", "", "")

def on_pause_action(type, player, track):
    if player.is_playing():
        on_begin_action(type, player, track)
    else:
        on_stop_action(type, player, track)

def enable(exaile):
    global client
    obj = dbus.SessionBus().get_object('im.pidgin.purple.PurpleService',
                                   '/im/pidgin/purple/PurpleObject')
    purple = dbus.Interface(obj, "im.pidgin.purple.PurpleInterface")
    client = Pidgin(purple)
    event.add_callback(on_stop_action, 'quit_application')
    event.add_callback(on_stop_action, 'playback_player_end')
    event.add_callback(on_begin_action, 'playback_track_start')
    event.add_callback(on_pause_action, 'playback_toggle_pause')

def disable(exaile):
    event.remove_callback(on_stop_action, 'quit_application')
    event.remove_callback(on_stop_action, 'playback_player_end')
    event.remove_callback(on_begin_action, 'playback_track_start')
    event.remove_callback(on_pause_action, 'playback_toggle_pause')