Improving the decoder pipeline.

remoting/webapp/client_session.js

Index: remoting/webapp/client_session.js
diff --git a/remoting/webapp/client_session.js b/remoting/webapp/client_session.js
index f1bd19bc730570069e0ded7a92a50f491c2c4bd8..32c2808853667d51668047dc3782ef5ce0aa67b8 100644
--- a/remoting/webapp/client_session.js
+++ b/remoting/webapp/client_session.js
@@ -435,12 +435,20 @@ remoting.ClientSession.prototype.updateDimensions = function() {
 
   var windowWidth = window.innerWidth;
   var windowHeight = window.innerHeight;
-  var scale = 1.0;
+
+  // Estimate browser scale factor in order to be able to translate logical
+  // pixels on the page into physical pixels on the screen. Scale factor can
+  // be roughly estimated as a ratio between outerWidht and innerWidth of
+  // the document view. The result is not precise because outerWidth can
+  // include pixels allocated for toolbars, window borders and such.
+  var viewInnerWidth = document.defaultView.innerWidth;
+  var viewOuterWidth = document.defaultView.outerWidth;
+  var scale = Math.round(100.0 * viewInnerWidth / viewOuterWidth) / 100.0;

[Wez, 2012/02/07 01:56:31]

This looks like a change from a different CL, so I'm skipping it.

 
   if (this.getScaleToFit()) {
-    var scaleFitHeight = 1.0 * windowHeight / this.plugin.desktopHeight;
-    var scaleFitWidth = 1.0 * windowWidth / this.plugin.desktopWidth;
-    scale = Math.min(1.0, scaleFitHeight, scaleFitWidth);
+    var scaledHeight = 1.0 * windowHeight / (scale * this.plugin.desktopHeight);
+    var scaledWidth = 1.0 * windowWidth / (scale * this.plugin.desktopWidth);
+    scale = Math.min(1.0, scaledHeight, scaledWidth, scale);
   }
 
   // Resize the plugin if necessary.