+#!/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"
+ default_browser = "tear"
+ # 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
+ 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()