Removed support for continuous updates, a TightVNC-specific RFB protocol

extension. That extension used to send framebuffer updates continuously, not
waiting for clients' requests. However, it showed bad results with
low-bandwidth connections, due to lack of proper data flow control.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2581 3789f03b-4d11-0410-bbf8-ca57d06f2519

1 files changed, 0 insertions, 39 deletions

diff --git a/common/rfb/VNCSConnectionST.cxx b/common/rfb/VNCSConnectionST.cxx
index 7c922cfe..95b99fdd 100644
--- a/common/rfb/VNCSConnectionST.cxx
+++ b/common/rfb/VNCSConnectionST.cxx
@@ -35,7 +35,6 @@ VNCSConnectionST::VNCSConnectionST(VNCServerST* server_, network::Socket *s,
   : SConnection(server_->securityFactory, reverse), sock(s), server(server_),
     updates(false), image_getter(server->useEconomicTranslate),
     drawRenderedCursor(false), removeRenderedCursor(false),
-    autoUpdatesActive(false),
     pointerEventTime(0), accessRights(AccessDefault),
     startTime(time(0)), m_pFileTransfer(0)
 {
@@ -482,35 +481,6 @@ void VNCSConnectionST::framebufferUpdateRequest(const Rect& r,bool incremental)
   writeFramebufferUpdate();
 }
 
-void VNCSConnectionST::enableContinuousUpdates(const Rect& r)
-{
-  // TightVNC-specific EnableContinuousUpdates message is very much like
-  // incremental FramebufferUpdateRequest. So here we copy some code from
-  // VNCSConnectionST::framebufferUpdateRequest().
-
-  if (!(accessRights & AccessView)) return;
-
-  SConnection::framebufferUpdateRequest(r, true);
-
-  autoUpdatesActive = true;
-  autoUpdatedRect = r;
-
-  Region reqRgn(autoUpdatedRect);
-  requested.assign_union(reqRgn);
-
-  writeFramebufferUpdate();
-}
-
-void VNCSConnectionST::disableContinuousUpdates()
-{
-  autoUpdatesActive = false;
-  autoUpdatedRect.clear();
-
-  writeFramebufferUpdate();
-
-  // FIXME: Send EndOfContinuousUpdates message.
-}
-
 void VNCSConnectionST::setInitialColourMap()
 {
   setColourMapEntries(0, 0);
@@ -679,15 +649,6 @@ void VNCSConnectionST::writeFramebufferUpdate()
     if (drawRenderedCursor)
       writeRenderedCursorRect();
     writer()->writeFramebufferUpdateEnd();
-    resetRequestedRegion();
-  }
-}
-
-void VNCSConnectionST::resetRequestedRegion()
-{
-  if (autoUpdatesActive) {
-    requested.reset(autoUpdatedRect);
-  } else {
     requested.clear();
   }
 }