-#!/usr/bin/python
-# browser-switchboard
-# version 2.2 by steven676 and xiojason
-
-# simple python-dbus service that proxies osso_browser events to Tear
-# based on code from http://paste.lisp.org/display/45824
-
-# Copyright (C) 2009 Jason Simpson
-# Copyright (C) 2009 Steven Luo
-
-# 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.
-
-# On Maemo systems, a copy of the GPL can be found in
-# /usr/share/common-licenses/GPL .
-
-
-import os
-import gobject
-import dbus
-import dbus.service
-import dbus.glib
-
-# Set default configuration values
-# These can be overriden by the config file $HOME/.config/browser-switchboard
-def setconfigdefaults():
- global continuous_mode, default_browser, other_browser_cmd
-
- # continuous_mode: 0 -- close after handling a request; 1 -- run
- # continuously in the background
- continuous_mode = 0
- # default_browser: "tear", "microb", "fennec", "midori", or "other"
- # empty string is handled specially -- see below
- default_browser = ""
- # If default browser is "other", what program to run (%s will be replaced
- # by URI)
- other_browser_cmd = ""
-
-class BrowserLauncher:
- def LaunchTear(self, uri):
- # We should be able to just call the D-Bus service to open Tear ...
- # but if Tear's not open, that causes D-Bus to start Tear and then
- # pass it the OpenAddress call, which results in two browser windows.
- # Properly fixing this probably requires Tear to provide a D-Bus method
- # that opens an address in an existing window, but for now work around
- # by just opening Tear via the command line if it's not running.
- if os.system("pidof tear > /dev/null") == 0:
- dbus.SessionBus().get_object('com.nokia.tear', '/com/nokia/tear').OpenAddress(uri, dbus_interface='com.nokia.Tear')
- if continuous_mode == 0:
- quit()
- else:
- if continuous_mode:
- if os.fork() != 0:
- # parent process doesn't need to do anything
- return
- # child process
- os.setsid()
- os.execl('/usr/bin/tear', '/usr/bin/tear', uri)
-
- def LaunchMicroB(self, uri):
- if os.system("pidof /usr/sbin/browserd > /dev/null") != 0:
- kill_browserd = 1
- os.system("/usr/sbin/browserd -d")
- else:
- kill_browserd = 0
- dbus.SessionBus().release_name("com.nokia.osso_browser")
- if uri == "new_window":
- # exec maemo-invoker directly instead of relying on the
- # /usr/bin/browser symlink, since /usr/bin/browser may have been
- # replaced with a shell script calling us via D-Bus
- os.spawnl(os.P_WAIT, '/usr/bin/maemo-invoker', '/usr/bin/browser')
- else:
- os.spawnl(os.P_WAIT, '/usr/bin/maemo-invoker', '/usr/bin/browser', '--url', uri)
- if kill_browserd:
- os.system("kill `pidof /usr/sbin/browserd`")
- if continuous_mode:
- dbus.SessionBus().request_name("com.nokia.osso_browser")
- else:
- quit()
-
- def LaunchOtherBrowser(self, uri):
- if uri == "new_window":
- uri = ""
- try:
- # URI must be quoted and quotes in the URI must be URL-escaped
- # to prevent the shell from interpreting any part of the URI
- command = other_browser_cmd % "'%s'" % uri.replace("'", "%27")
- except TypeError:
- # Couldn't substitute URI in, just launch the browser
- print "other_browser_cmd should have a %s placeholder for the URI"
- command = other_browser_cmd
- import subprocess
- subprocess.Popen(command, shell=True)
- if continuous_mode == 0:
- quit()
-
- def UpdateDefaultBrowser(self):
- global other_browser_cmd
- if default_browser == "tear":
- self.LaunchBrowser = self.LaunchTear
- elif default_browser == "microb":
- self.LaunchBrowser = self.LaunchMicroB
- elif default_browser == "fennec":
- # Cheat and reuse LaunchOtherBrowser, since we don't appear to
- # need to do anything special
- # TODO: does Fennec have a D-Bus API or signaling mechanism?
- # Invoking the fennec binary appears to be somewhat expensive
- other_browser_cmd = "fennec '%s'"
- self.LaunchBrowser = self.LaunchOtherBrowser
- elif default_browser == "midori":
- other_browser_cmd = "midori '%s'"
- self.LaunchBrowser = self.LaunchOtherBrowser
- elif default_browser == "other":
- if other_browser_cmd != "":
- self.LaunchBrowser = self.LaunchOtherBrowser
- else:
- print "default_browser is 'other', but no other_browser_cmd set -- using default"
- self.LaunchBrowser = self.LaunchTear
- elif default_browser == "":
- # If default_browser is empty, use Tear as the default if
- # installed, otherwise use MicroB
- if os.access("/usr/bin/tear", X_OK):
- self.LaunchBrowser = self.LaunchTear
- else
- self.LaunchBrowser = self.LaunchMicroB
- else:
- print "Unknown default_browser %s, using default" % default_browser
- self.LaunchBrowser = self.LaunchTear
-
- def __init__(self):
- self.UpdateDefaultBrowser()
-
-class ProxyBrowserService(dbus.service.Object):
- def __init__(self):
- bus_name = dbus.service.BusName('com.nokia.osso_browser', bus=dbus.SessionBus())
- dbus.service.Object.__init__(self, bus_name, '/com/nokia/osso_browser')
- dbus.service.Object.__init__(self, bus_name, '/com/nokia/osso_browser/request')
-
- def OpenAddress(self, uri):
- print uri
-
- if uri[0] == '/':
- print "prefixing apparent local path with file://"
- uri = "file://" + uri
-
- launcher.LaunchBrowser(uri)
-
- @dbus.service.method(dbus_interface='com.nokia.osso_browser', in_signature='s')
- def load_url(self, uri):
- print "load_url"
- self.OpenAddress(uri)
-
- @dbus.service.method(dbus_interface='com.nokia.osso_browser', in_signature='s')
- def mime_open(self, uri):
- print "mime_open"
- self.OpenAddress(uri)
-
- @dbus.service.method(dbus_interface='com.nokia.osso_browser', in_signature='s')
- def open_new_window(self, uri):
- print "open_new_window"
- self.OpenAddress(uri)
-
- @dbus.service.method(dbus_interface='com.nokia.osso_browser')
- def top_application(self):
- print "top_application"
- launcher.LaunchMicroB("new_window")
-
- # This method is an "undocumented", non-standard extension to the
- # osso_browser D-Bus API, intended solely to allow a wrapper script
- # replacing /usr/bin/browser to implement --url
- @dbus.service.method(dbus_interface='com.nokia.osso_browser')
- def switchboard_launch_microb(self, uri="new_window"):
- print "switchboard_launch_microb"
- launcher.LaunchMicroB(uri)
-
-def readconfigfile(signalnum=None, frame=None):
- # reset configuration to defaults
- setconfigdefaults()
-
- # read configuration from the config file, if available
- try:
- execfile(os.getenv("HOME", "/home/user") + "/.config/browser-switchboard", globals())
- launcher.UpdateDefaultBrowser()
- except:
- # No valid config file available
- pass
-
-setconfigdefaults()
-
-launcher = BrowserLauncher()
-pbrowser = ProxyBrowserService()
-
-readconfigfile()
-
-if continuous_mode:
- import signal
- def waitforzombies(signalnum, frame):
- try:
- while os.waitpid(-1, os.WNOHANG) != (0, 0):
- continue
- except OSError:
- pass
- signal.signal(signal.SIGCHLD, waitforzombies)
- signal.signal(signal.SIGHUP, readconfigfile)
-
-loop = gobject.MainLoop()
-loop.run()