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#!/usr/bin/env python
# exailecover - displays Exaile album covers on the desktop
# Copyright (C) 2006 Johannes Sasongko <sasongko@gmail.com>
#
# 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 of the License, 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""exailecover - displays Exaile album covers on the desktop
Syntax: exailecover [geometry] [timeout_ms]
- geometry : standard X geometry string; see `man 3 XParseGeometry` or
http://www.xfree86.org/current/X.7.html#sect6
- timeout_ms : the timer interval, in milliseconds
"""
import gobject
import gtk
gobject.threads_init()
import dbus
import dbus.glib
dbus.glib.threads_init()
import re
class CoverDisplay(gtk.Window):
def __init__(self, geometry='', timer_ms=1000):
self.geometry = geometry
self.timer_ms = timer_ms
self.cover = ''
self.init_dbus()
self.init_gtk()
gobject.timeout_add(self.timer_ms, self.timeout)
def init_dbus(self):
bus = dbus.SessionBus()
obj = bus.get_object(
'org.exaile.DBusInterface', '/DBusInterfaceObject')
self.dbus_iface = dbus.Interface(obj, 'org.exaile.DBusInterface')
self.dbus_ok = True
def init_gtk(self):
gtk.Window.__init__(self)
self.connect('destroy', gtk.main_quit)
self.set_accept_focus(False)
self.set_decorated(False)
self.set_keep_below(True)
self.set_resizable(False)
self.set_skip_pager_hint(True)
self.set_skip_taskbar_hint(True)
self.stick()
self.img = gtk.Image()
self.add(self.img)
self.parse_geometry()
self.show_all()
def parse_geometry(self):
match = re.match(
'^=?(?:(\d+)?(?:[Xx](\d+))?)?'
'(?:([+-])(\d+)?(?:([+-])(\d+))?)?$',
self.geometry)
if not match:
raise ValueError('invalid geometry: ' + self.geometry)
w, h, px, x, py, y = match.groups()
if w and h:
self.w = int(w)
self.h = int(h)
else:
self.w = None
self.h = None
if x and y:
gtk.Window.parse_geometry(self, self.geometry)
else:
self.set_position(gtk.WIN_POS_CENTER_ALWAYS)
def timeout(self):
try:
newcover = self.dbus_iface.get_cover_path()
except dbus.DBusException:
if self.dbus_ok:
self.display(None)
self.dbus_ok = False
return True
else:
self.dbus_ok = True
print newcover
if newcover != self.cover:
self.cover = newcover
if newcover.find('nocover') == -1:
self.display(newcover)
else:
self.display(None)
return True
def display(self, cover):
if cover == None:
self.img.clear()
return
pixbuf = gtk.gdk.pixbuf_new_from_file(cover)
width = pixbuf.get_width()
height = pixbuf.get_height()
if self.w is not None and self.h is not None:
origw = float(width)
origh = float(width)
width, height = self.w, self.h
scale = min(width / origw, height / origh)
width = int(origw * scale)
height = int(origh * scale)
pixbuf = pixbuf.scale_simple(
width, height, gtk.gdk.INTERP_BILINEAR)
self.img.set_from_pixbuf(pixbuf)
def run(self):
gtk.main()
import sys
if __name__ == '__main__':
argc = len(sys.argv)
if argc > 1:
geometry = sys.argv[1]
else:
geometry = ''
if argc > 2:
timeout = int(sys.argv[2])
else:
timeout = 1000
cd = CoverDisplay(geometry, timeout)
cd.run()
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