Update notification less often when disconnected for at least 60 s

Saves battery power. Closes #243.
2012-05-02 20:13:11 -04:00
parent 24d2b6e185
commit dee09fb8fc
1 changed files with 7 additions and 1 deletions
@@ -286,7 +286,13 @@ int NotificationEngine::wait_time( void ) const
  next_expiry = std::min( next_expiry, message_expiration - now );

  if ( need_countup( now ) ) {
-    next_expiry = std::min( next_expiry, uint64_t( 1000 ) );
+    uint64_t countup_interval = 1000;
+    if ( ( now - last_word_from_server ) > 60000 ) {
+      /* If we've been disconnected for 60 seconds, save power by updating the
+         display less often.  See #243. */
+      countup_interval = Network::ACK_INTERVAL;
+    }
+    next_expiry = std::min( next_expiry, countup_interval );
  }

  return next_expiry;