Refresh widgets only on homescreen to prevent cursor from jumping within libraries

resources/lib/app/application.py

@@ -27,6 +27,8 @@ class App(object):
             self.stop_pkc = False
             # This will suspend the main thread also
             self.suspend = False
+            # Update Kodi widgets
+            self.update_widgets = False
             # Need to lock all methods and functions messing with Plex Companion subscribers
             self.lock_subscriber = RLock()
             # Need to lock everything messing with Kodi/PKC playqueues

resources/lib/library_sync/common.py

@@ -3,7 +3,7 @@
 from __future__ import absolute_import, division, unicode_literals
 import xbmc
 
-from .. import utils, variables as v
+from .. import utils, app, variables as v
 
 PLAYLIST_SYNC_ENABLED = (v.DEVICE != 'Microsoft UWP' and
                          utils.settings('enablePlaylistSync') == 'true')
@@ -42,7 +42,12 @@ def update_kodi_library(video=True, music=True):
     Updates the Kodi library and thus refreshes the Kodi views and widgets
     """
     if video:
-        xbmc.executebuiltin('UpdateLibrary(video)')
+        if not xbmc.getCondVisibility('Window.IsMedia'):
+            xbmc.executebuiltin('UpdateLibrary(video)')
+        else:
+            # Prevent cursor from moving - refresh later
+            xbmc.executebuiltin('Container.Refresh')
+            app.APP.update_widgets = True
     if music:
         xbmc.executebuiltin('UpdateLibrary(music)')
 

resources/lib/service_entry.py

@@ -486,6 +486,8 @@ class Service(object):
                 elif plex_command == 'EXIT-PKC':
                     LOG.info('Received command from another instance to quit')
                     app.APP.stop_pkc = True
+                else:
+                    raise RuntimeError('Unknown command: %s', plex_command)
                 if task:
                     backgroundthread.BGThreader.addTasksToFront([task])
                 continue
@@ -494,6 +496,15 @@ class Service(object):
                 xbmc.sleep(100)
                 continue
 
+            if app.APP.update_widgets and not xbmc.getCondVisibility('Window.IsMedia'):
+                '''
+                In case an update happened but we were not on the homescreen
+                and now we are, force widgets to update. Prevents cursor from
+                moving/jumping in libraries
+                '''
+                app.APP.update_widgets = False
+                xbmc.executebuiltin('UpdateLibrary(video)')
+
             # Before proceeding, need to make sure:
             # 1. Server is online
             # 2. User is set