First version of the ClipboardService. Added support for showing the progress of a pdf download in the clipboard.

shell/view/frame/ClipboardBox.py

@@ -0,0 +1,61 @@
+import logging
+import dbus
+import hippo
+
+from sugar.graphics import style
+from view.ClipboardIcon import ClipboardIcon
+
+class ClipboardBox(hippo.CanvasBox):
+
+	_CLIPBOARD_SERVICE = "org.laptop.Clipboard"
+	_CLIPBOARD_OBJECT_PATH = "/org/laptop/Clipboard"
+	
+	def __init__(self, shell, menu_shell):
+		hippo.CanvasBox.__init__(self)
+		self._shell = shell
+		self._menu_shell = menu_shell
+		self._icons = {}
+
+		bus = dbus.SessionBus()
+		bus.add_signal_receiver(self.name_owner_changed_cb,
+									signal_name="NameOwnerChanged",
+									dbus_interface="org.freedesktop.DBus")
+		# Try to register to ClipboardService, if we fail, we'll try later.
+		try:
+			self._connect_clipboard_signals()
+		except dbus.DBusException, exception:
+			pass
+		
+	def _connect_clipboard_signals(self):
+		bus = dbus.SessionBus()
+		proxy_obj = bus.get_object(self._CLIPBOARD_SERVICE, self._CLIPBOARD_OBJECT_PATH)
+		iface = dbus.Interface(proxy_obj, self._CLIPBOARD_SERVICE)
+		iface.connect_to_signal('object_added', self.object_added_callback)	
+		iface.connect_to_signal('object_deleted', self.object_deleted_callback)
+		iface.connect_to_signal('object_state_updated', self.object_state_updated_callback)	
+
+	def name_owner_changed_cb(self, name, old, new):
+		if name != self._CLIPBOARD_SERVICE:
+			return
+		if (not old and not len(old)) and (new and len(new)):
+			# ClipboardService started up
+			self._connect_clipboard_signals()
+
+	def object_added_callback(self, mimeType, fileName):
+		icon = ClipboardIcon(self._menu_shell, fileName)
+		style.apply_stylesheet(icon, 'frame.BuddyIcon')
+		self.append(icon)
+		self._icons[fileName] = icon
+		
+		logging.debug('ClipboardBox: ' + fileName + ' was added.')
+
+	def object_deleted_callback(self, fileName):
+		icon = self._icons[fileName]
+		self.remove(icon)
+		self._icons.remove(icon)		
+		logging.debug('ClipboardBox: ' + fileName + ' was deleted.')
+
+	def object_state_updated_callback(self, fileName, percent):
+		icon = self._icons[fileName]
+		icon.set_percent(percent)
+		logging.debug('ClipboardBox: ' + fileName + ' state was updated.')

shell/view/frame/Frame.py

@@ -23,6 +23,7 @@ from view.frame.ActivitiesBox import ActivitiesBox
 from view.frame.ZoomBox import ZoomBox
 from view.frame.overlaybox import OverlayBox
 from view.frame.FriendsBox import FriendsBox
+from view.frame.ClipboardBox import ClipboardBox
 from view.frame.PanelWindow import PanelWindow
 from view.frame.notificationtray import NotificationTray
 from sugar.graphics.timeline import Timeline
@@ -198,7 +199,10 @@ class Frame:
 		root.append(box)
 
 		# Left panel
-		self._create_panel(grid, 0, 1, 1, 10)
+		[menu_shell, root] = self._create_panel(grid, 0, 1, 1, 10)
+		
+		box = ClipboardBox(self._shell, menu_shell)
+		root.append(box)
 
 	def _create_panel(self, grid, x, y, width, height):
 		panel = PanelWindow()

shell/view/frame/Makefile.am

@@ -2,6 +2,7 @@ sugardir = $(pkgdatadir)/shell/view/frame
 sugar_PYTHON =				\
 	__init__.py			\
 	ActivitiesBox.py		\
+	ClipboardBox.py			\
 	FriendsBox.py			\
 	PanelWindow.py			\
 	Frame.py			\