Make glimagesink fullscreen again

Change-Id: Ib53d4a0b0fa8f6b90aabbfd8527655cb8cf6a4ad
diff --git a/edgetpuvision/gstreamer.py b/edgetpuvision/gstreamer.py
index 16dbdab..8c651e1 100644
--- a/edgetpuvision/gstreamer.py
+++ b/edgetpuvision/gstreamer.py
@@ -211,11 +211,6 @@
         sys.stderr.write('Error: %s: %s\n' % (err, debug))
         Gtk.main_quit()
 
-def on_sink_eos(sink, pipeline):
-    overlay = pipeline.get_by_name('overlay')
-    if overlay:
-        overlay.set_eos()
-
 def on_new_sample(sink, pipeline, render_overlay, layout, images, get_command, preroll):
     with pull_sample(sink, preroll) as (sample, data, meta, pts):
         custom_command = None
@@ -320,52 +315,9 @@
     bus.connect('message', on_bus_message, pipeline, loop)
 
     if display is not Display.NONE:
-        # Needed to commit the wayland sub-surface.
-        def on_gl_draw(sink, widget):
-            widget.queue_draw()
-
-        # Needed to account for window chrome etc.
-        def on_widget_configure(widget, event, glsink):
-            allocation = widget.get_allocation()
-            glsink.set_render_rectangle(allocation.x, allocation.y,
-                    allocation.width, allocation.height)
-            return False
-
-        # TODO: re-enable this when we have proper GL support.
-        # window = Gtk.Window(Gtk.WindowType.TOPLEVEL)
-        # window.set_title(WINDOW_TITLE)
-        # window.set_default_size(layout.render_size.width, layout.render_size.height)
-        # if display is Display.FULLSCREEN:
-        #     window.fullscreen()
-
-        # drawing_area = Gtk.DrawingArea()
-        # window.add(drawing_area)
-        # drawing_area.realize()
-
         glsink = pipeline.get_by_name('glsink')
-        #if display is Display.FULLSCREEN:
-        #  glsink.set_property('fullscreen', True)
-
-        # window.connect('delete-event', Gtk.main_quit)
-        # window.show_all()
-
-        # The appsink pipeline branch must use the same GL display as the screen
-        # rendering so they get the same GL context. This isn't automatically handled
-        # by GStreamer as we're the ones setting an external display handle.
-        def on_bus_message_sync(bus, message, glsink):
-            if message.type == Gst.MessageType.NEED_CONTEXT:
-                _, context_type = message.parse_context_type()
-        #        if context_type == 'gst.gl.GLDisplay':
-        #            sinkelement = glsink.get_by_interface(GstVideo.VideoOverlay)
-        #            gl_context = sinkelement.get_property('context')
-        #            if gl_context:
-        #                display_context = Gst.Context.new('gst.gl.GLDisplay', True)
-        #                display_structure = display_context.writable_structure()
-        #                display_structure.set_value('gst.gl.GLDisplay', gl_context.get_display())
-        #                message.src.set_context(display_context)
-            return Gst.BusSyncReply.PASS
-
-        bus.set_sync_handler(on_bus_message_sync, glsink)
+        if display is Display.FULLSCREEN:
+            glsink.set_property('fullscreen', True)
 
     with Worker(save_frame) as images, Commands() as get_command:
         signals = {'appsink':
@@ -380,8 +332,7 @@
                 layout=layout,
                 images=images,
                 get_command=get_command,
-                preroll=True),
-             'eos' : on_sink_eos},
+                preroll=True)},
             **(signals or {})
         }