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# Miro - an RSS based video player application
# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011
# Participatory Culture Foundation
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
#
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
"""
Holds functions that associate Miro with certain protocols
"""
import gconf
from miro.plat.config import gconf_lock
def associate_protocols(command):
_associate_protocol("magnet", command, False)
def disassociate_protocols(command):
_disassociate_protocol("magnet", command)
def _associate_protocol(name, command, overwrite_existing=False):
url_handlers_key = "/desktop/gnome/url-handlers/" + name + "/"
if not _is_associated(name) or overwrite_existing:
gconf_lock.acquire()
try:
gconf_client = gconf.client_get_default()
if gconf_client.set_string(url_handlers_key + "command", command):
gconf_client.set_bool(url_handlers_key + "needs_terminal", False)
gconf_client.set_bool(url_handlers_key + "enabled", True)
success = True
else:
success = False
finally:
gconf_lock.release()
else:
success = True
return success
def _disassociate_protocol(name, command):
url_handlers_key = "/desktop/gnome/url-handlers/" + name + "/"
if _is_associated(name, command):
gconf_lock.acquire()
try:
gconf_client = gconf.client_get_default()
if gconf_client.set_bool(url_handlers_key + "enabled", False):
success = True
else:
success = False
finally:
gconf_lock.release()
else:
success = True
return success
def _is_associated(protocol, command=None):
""" Checks whether a protocol currently is
associated with the given command, or,
if none is given, whether the protocol
is associated with anything at all.
"""
url_handlers_key = "/desktop/gnome/url-handlers/" + protocol + "/"
gconf_lock.acquire()
try:
gconf_client = gconf.client_get_default()
key = gconf_client.get(url_handlers_key + "command")
if key is None:
associated = False
else:
enabled = gconf_client.get(url_handlers_key + "enabled")
if command:
associated = key.get_string() == command and enabled.get_bool()
else:
associated = key.get_string() != "" and enabled.get_bool()
finally:
gconf_lock.release()
return associated
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