[kupfer] extras/kupfer_provider: A Nautilus Extension

[Ulrik Sverdrup <usverdrup src gnome org>]

commit f299828948ebfe2ec3442cd88918b8ac6f426dd1
Author: Ulrik Sverdrup <ulrik sverdrup gmail com>
Date:   Sat Aug 29 19:34:10 2009 +0200

    extras/kupfer_provider: A Nautilus Extension
    
    This is a Nautilus Extension that provides us with Live selection over
    D-Bus.

 extras/kupfer_provider.py |   78 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 78 insertions(+), 0 deletions(-)
---
diff --git a/extras/kupfer_provider.py b/extras/kupfer_provider.py
new file mode 100644
index 0000000..36c1328
--- /dev/null
+++ b/extras/kupfer_provider.py
@@ -0,0 +1,78 @@
+# Copyright (C) 2009 Ulrik Sverdrup <ulrik sverdrup 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, 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
+
+"""
+This is a Nautilus Extension for Kupfer
+
+It is a Menu Provider, but needs not show a menu. This Extension will be
+updated with all file selections in Nautilus, and broadcast them over a D-Bus
+signal.
+"""
+
+import dbus
+import dbus.glib
+from dbus.gobject_service import ExportedGObject
+import gio
+import gobject, nautilus
+
+service_name="se.kaizer.KupferNautilusPlugin"
+interface_name="se.kaizer.KupferNautilusPlugin"
+object_path = "/se/kaizer/kupfer/NautilusPlugin"
+
+class Object (ExportedGObject):
+	@dbus.service.signal(interface_name, signature="as")
+	def SelectionChanged(self, paths):
+		return paths
+
+class KupferSelectionProvider(nautilus.MenuProvider):
+	def __init__(self):
+		selfname = type(self).__name__
+		print "Initializing", selfname
+		self.cur_selection = []
+		try:
+			session_bus = dbus.Bus()
+		except dbus.DBusException, exc:
+			print exc
+			self.service = None
+		else:
+			if session_bus.name_has_owner(service_name):
+				self.service = None
+				print selfname, "already running"
+			else:
+				bus_name = dbus.service.BusName(service_name, bus=session_bus)
+				self.service = Object(bus_name, object_path=object_path)
+	
+	def get_file_items(self, window, files):
+		"""We show nothing, but we get info on files that are selected"""
+		# iif:
+		# - There is at least on file selected
+		# - All selected files are locals
+		uris = [f.get_uri() for f in files]
+		paths = filter(None, (gio.File(u).get_path() for u in uris))
+		if paths != self.cur_selection and self.service:
+			self.service.SelectionChanged(paths)
+		self.cur_selection = paths
+		return
+
+		# Put "Send to Kupfer" item here
+		"""
+		item = nautilus.MenuItem('PostrExtension::upload_files',
+								 _('Upload to Flickr...'),
+								 _('Upload the selected files into Flickr'))
+		item.connect('activate', self.upload_files, files)
+
+		return item,
+		"""
+		pass