Display more information at chrome://net-internals/#spdy...

chrome/browser/resources/net_internals/spdyview.js

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * This view displays a summary of the state of each SPDY sessions, and
  * has links to display them in the events tab.
  *
  * @constructor
  */
-function SpdyView(mainBoxId, spdySessionNoneSpanId, spdySessionLinkSpanId,
+function SpdyView(mainBoxId, spdyEnabledSpanId,
+                  spdyUseAlternateProtocolSpanId,
+                  spdyForceAlwaysSpanId, spdyForceOverSslSpanId,
+                  spdyNextProtocolsSpanId, spdyAlternateProtocolMappingsDivId,
+                  spdySessionNoneSpanId, spdySessionLinkSpanId,
                   spdySessionDivId) {
   DivView.call(this, mainBoxId);
   g_browser.addSpdySessionInfoObserver(this);
+  g_browser.addSpdyStatusObserver(this);
+  g_browser.addSpdyAlternateProtocolMappingsObserver(this);
 
+  this.spdyEnabledSpan_ = document.getElementById(spdyEnabledSpanId);
+  this.spdyUseAlternateProtocolSpan_ =
+      document.getElementById(spdyUseAlternateProtocolSpanId);
+  this.spdyForceAlwaysSpan_ = document.getElementById(spdyForceAlwaysSpanId);
+  this.spdyForceOverSslSpan_ = document.getElementById(spdyForceOverSslSpanId);
+  this.spdyNextProtocolsSpan_ =
+      document.getElementById(spdyNextProtocolsSpanId);
+
+  this.spdyAlternateProtocolMappingsDiv_ =
+      document.getElementById(spdyAlternateProtocolMappingsDivId);
   this.spdySessionNoneSpan_ = document.getElementById(spdySessionNoneSpanId);
   this.spdySessionLinkSpan_ = document.getElementById(spdySessionLinkSpanId);
   this.spdySessionDiv_ = document.getElementById(spdySessionDivId);
 }
 
 inherits(SpdyView, DivView);
 
 /**
  * If |spdySessionInfo| is not null, displays a single table with information
  * on each SPDY session.  Otherwise, displays "None".
  */
 SpdyView.prototype.onSpdySessionInfoChanged = function(spdySessionInfo) {
   this.spdySessionDiv_.innerHTML = '';
 
   var hasNoSession = (spdySessionInfo == null || spdySessionInfo.length == 0);
   setNodeDisplay(this.spdySessionNoneSpan_, hasNoSession);
   setNodeDisplay(this.spdySessionLinkSpan_, !hasNoSession);
 
   if (hasNoSession)
     return;
 
   var tablePrinter = SpdyView.createSessionTablePrinter(spdySessionInfo);
   tablePrinter.toHTML(this.spdySessionDiv_, 'styledTable');
+
+};
+
+/**
+ * Displays information on the global SPDY status.
+ */
+SpdyView.prototype.onSpdyStatusChanged = function(spdyStatus) {
+  this.spdyEnabledSpan_.innerHTML = spdyStatus.spdy_enabled;

[eroman, 2011/02/09 04:51:13]

please don't use innerHTML for setting text which originated from a variable (it
can be potentially dangerous, since could expand into other stuff).

Instead, please use:

node.innerText = XXX;

or:

addText(node, XXXX);

(Comment applies below too).

[Ryan Hamilton, 2011/02/09 17:42:32]

Oh cute!  I didn't think about that.  Gotta love web security :> Done!

+  this.spdyUseAlternateProtocolSpan_.innerHTML =
+      spdyStatus.use_alternate_protocols;
+  this.spdyForceAlwaysSpan_.innerHTML = spdyStatus.force_spdy_always;
+  this.spdyForceOverSslSpan_.innerHTML = spdyStatus.force_spdy_over_ssl;
+  this.spdyNextProtocolsSpan_.innerHTML = spdyStatus.next_protos;
+}
+
+/**
+ * If |spdyAlternateProtocolMappings| is not empty, displays a single table
+ * with information on each alternate protocol enabled server.  Otherwise,
+ * displays "None".
+ */
+SpdyView.prototype.onSpdyAlternateProtocolMappingsChanged =
+    function(spdyAlternateProtocolMappings) {
+
+  this.spdyAlternateProtocolMappingsDiv_.innerHTML = '';
+
+  if (spdyAlternateProtocolMappings != null &&

[eroman, 2011/02/09 04:51:13]

nit: would it be sufficient to do

if (spdyAlternateProtocolMappings) ?

[Ryan Hamilton, 2011/02/09 17:42:32]

That would be great, but I tried it and it appears not to work.   FWIW, the
"!=NULL && length > 0" idiom is used in several places in net_internals .js
files.

+      spdyAlternateProtocolMappings.length > 0) {
+    var tabPrinter = SpdyView.createAlternateProtocolMappingsTablePrinter(
+            spdyAlternateProtocolMappings);
+    tabPrinter.toHTML(this.spdyAlternateProtocolMappingsDiv_, 'styledTable');
+  } else {
+    this.spdyAlternateProtocolMappingsDiv_.innerHTML = 'None';
+  }
 };
 
 /**
  * Creates a table printer to print out the state of list of SPDY sessions.
  */
 SpdyView.createSessionTablePrinter = function(spdySessions) {
   var tablePrinter = new TablePrinter();
   tablePrinter.addHeaderCell('Host');
   tablePrinter.addHeaderCell('Proxy');
   tablePrinter.addHeaderCell('ID');
@@ skipping 29 matching lines @@
     tablePrinter.addCell(session.streams_abandoned_count);
     tablePrinter.addCell(session.frames_received);
     tablePrinter.addCell(session.is_secure);
     tablePrinter.addCell(session.sent_settings);
     tablePrinter.addCell(session.received_settings);
     tablePrinter.addCell(session.error);
   }
   return tablePrinter;
 };
 
+
+/**
+ * Creates a table printer to print out the list of alternate protocol
+ * mappings.
+ */
+SpdyView.createAlternateProtocolMappingsTablePrinter =
+    function(spdyAlternateProtocolMappings) {
+  var tablePrinter = new TablePrinter();
+  tablePrinter.addHeaderCell('Host');
+  tablePrinter.addHeaderCell('Alternate Protocol');
+
+  for (var i = 0; i < spdyAlternateProtocolMappings.length; i++) {
+    var entry = spdyAlternateProtocolMappings[i];
+    tablePrinter.addRow();
+
+    tablePrinter.addCell(entry.host_port_pair);
+    tablePrinter.addCell(entry.alternate_protocol);
+  }
+  return tablePrinter;
+};
+