Some infrastructure for scrolling. Based on epiphany extension.

activities/web/webactivity.py

@@ -39,6 +39,7 @@ class WebActivity(Activity):
 		logging.debug('Starting the web activity')
 
 		self.set_title(_('Web Activity'))
+		self.connect('key-press-event', self._key_press_event_cb)
 
 		vbox = gtk.VBox()
 
@@ -66,6 +67,10 @@ class WebActivity(Activity):
 
 		self._browser.load_url(_HOMEPAGE)
 
+	def _key_press_event_cb(self, window, event):
+		if event.keyval == gtk.keysyms.F11:
+			self._browser.toggle_scroll()
+
 	def _setup_links_controller(self):
 		links_controller = LinksController(self._service, self._links_model)
 		self._toolbar.set_links_controller(links_controller)

activities/web/webbrowser.py

@@ -15,8 +15,10 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 import gobject
+import gtk
 
 from _sugar import Browser
+from _sugar import PushScroller
 
 class _PopupCreator(gobject.GObject):
 	__gsignals__ = {
@@ -77,6 +79,17 @@ class WebBrowser(Browser):
 	def __init__(self):
 		Browser.__init__(self)
 
+		self._push_scroller = PushScroller()
+		self._scrolling = False
+
+	def toggle_scroll(self):
+		if self._scrolling:
+			self._push_scroller.stop(gtk.get_current_event_time())
+			self._scrolling = False
+		else:
+			self._push_scroller.start(self, 0, 0)
+			self._scrolling = True
+
 	def do_create_window(self):
 		popup_creator = _PopupCreator(self.get_toplevel())
 		popup_creator.connect('popup-created', self._popup_created_cb)