[polymer] Merge of master into polymer10-migration

netlog_viewer/spdy_view.js

+// Copyright (c) 2012 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.
+ */
+var SpdyView = (function() {
+  'use strict';
+
+  // We inherit from DivView.
+  var superClass = DivView;
+
+  /**
+   * @constructor
+   */
+  function SpdyView() {
+    assertFirstConstructorCall(SpdyView);
+
+    // Call superclass's constructor.
+    superClass.call(this, SpdyView.MAIN_BOX_ID);
+
+    g_browser.addSpdySessionInfoObserver(this, true);
+    g_browser.addSpdyStatusObserver(this, true);
+  }
+
+  SpdyView.TAB_ID = 'tab-handle-spdy';
+  SpdyView.TAB_NAME = 'HTTP/2';
+  SpdyView.TAB_HASH = '#http2';
+
+  // IDs for special HTML elements in spdy_view.html
+  SpdyView.MAIN_BOX_ID = 'spdy-view-tab-content';
+  SpdyView.STATUS_ID = 'spdy-view-status';
+  SpdyView.SESSION_INFO_ID = 'spdy-view-session-info';
+
+  cr.addSingletonGetter(SpdyView);
+
+  SpdyView.prototype = {
+    // Inherit the superclass's methods.
+    __proto__: superClass.prototype,
+
+    onLoadLogFinish: function(data) {
+      return this.onSpdySessionInfoChanged(data.spdySessionInfo) &&
+             this.onSpdyStatusChanged(data.spdyStatus);
+    },
+
+    /**
+     * If |spdySessionInfo| contains any sessions, displays a single table with
+     * information on each SPDY session.  Otherwise, displays "None".
+     */
+    onSpdySessionInfoChanged: function(spdySessionInfo) {
+      if (!spdySessionInfo)
+        return false;
+      // TODO(rayraymond): Update DOM without use of jstemplate.
+      // var input = new JsEvalContext({ spdySessionInfo: spdySessionInfo });
+      // jstProcess(input, $(SpdyView.SESSION_INFO_ID));
+      return true;
+    },
+
+    /**
+     * Displays information on the global SPDY status.
+     */
+    onSpdyStatusChanged: function(spdyStatus) {
+      if (!spdyStatus)
+        return false;
+      // TODO(rayraymond): Update DOM without use of jstemplate.
+      // var input = new JsEvalContext(spdyStatus);
+      // jstProcess(input, $(SpdyView.STATUS_ID));
+      return true;
+    }
+  };
+
+  return SpdyView;
+})();
+