Send latest screen size with every update.

lib/units/device/plugins/vnc/index.js

@@ -90,14 +90,21 @@ module.exports = syrup.serial()
             }
 
             var decoded = jpeg.decode(connState.lastFrame)
-            conn.writeFramebufferUpdate([{
-              xPosition: 0
+            conn.writeFramebufferUpdate([
+              { xPosition: 0
               , yPosition: 0
-            , width: connState.frameWidth
-            , height: connState.frameHeight
+              , width: decoded.width
+              , height: decoded.height
               , encodingType: VncConnection.ENCODING_RAW
               , data: decoded.data
-            }])
+              }
+            , { xPosition: 0
+              , yPosition: 0
+              , width: decoded.width
+              , height: decoded.height
+              , encodingType: VncConnection.ENCODING_DESKTOPSIZE
+              }
+            ])
 
             connState.updateRequests = 0
             connState.sentFrameTime = connState.lastFrameTime

lib/units/device/plugins/vnc/util/connection.js

@@ -92,6 +92,7 @@ var StateReverse = Object.create(null), State = {
 }
 
 VncConnection.ENCODING_RAW = 0
+VncConnection.ENCODING_DESKTOPSIZE = -223
 
 Object.keys(State).map(function(name) {
   VncConnection[name] = State[name]
@@ -122,6 +123,8 @@ VncConnection.prototype.writeFramebufferUpdate = function(rectangles) {
     case VncConnection.ENCODING_RAW:
       this._write(rect.data)
       break
+    case VncConnection.ENCODING_DESKTOPSIZE:
+      break
     default:
       throw new Error(util.format(
         'Unsupported encoding type', rect.encodingType))