Add a timeline view to about:net-internals.

chrome/browser/resources/net_internals/details_view.js

 // Copyright (c) 2011 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.
 
 var DetailsView = (function() {
   'use strict';
 
-  // We inherit from VerticalSplitView.
-  var superClass = VerticalSplitView;
+  // We inherit from DivView.
+  var superClass = DivView;
 
   /**
-   * The DetailsView handles the tabbed view that displays either the "log" or
-   * "timeline" view. This class keeps track of what the current view is, and
-   * invalidates the specific view each time the selected data has changed.
+   * The DetailsView displays the "log" view. This class keeps track of the
+   * selected SourceEntries, and repaints when they change.
    *
    * @constructor
    */
-  function DetailsView(tabHandlesContainerId,
-                       logTabId,
-                       timelineTabId,
-                       logBoxId,
-                       timelineBoxId) {
-    var tabSwitcher = new TabSwitcherView();
-
-    superClass.call(this, new DivView(tabHandlesContainerId), tabSwitcher);
-
-    this.tabSwitcher_ = tabSwitcher;
-
-    this.logView_ = new DetailsLogView(logBoxId);
-    this.timelineView_ = new DetailsTimelineView(timelineBoxId);
-
-    this.tabSwitcher_.addTab(logTabId, this.logView_, true, true);
-    this.tabSwitcher_.addTab(timelineTabId, this.timelineView_, true, true);
-
-    // Default to the log view.
-    this.tabSwitcher_.switchToTab(logTabId, null);
+  function DetailsView(boxId) {
+    superClass.call(this, boxId);
+    this.sourceEntries_ = [];
   }
 
   // The delay between updates to repaint.
   var REPAINT_TIMEOUT_MS = 50;
 
   DetailsView.prototype = {
     // Inherit the superclass's methods.
     __proto__: superClass.prototype,
 
-    /**
-     * Updates the data this view is using.
-     */
-    setData: function(currentData) {
+    setData: function(sourceEntries) {
       // Make a copy of the array (in case the caller mutates it), and sort it
       // by the source ID.
-      var sortedCurrentData = createSortedCopy(currentData);
+      this.sourceEntries_ = createSortedCopy(sourceEntries);
 
-      // TODO(eroman): Should not access private members of TabSwitcherView.
-      for (var i = 0; i < this.tabSwitcher_.tabs_.length; ++i)
-        this.tabSwitcher_.tabs_[i].contentView.setData(sortedCurrentData);
+      // Repaint the view.
+      if (this.isVisible() && !this.outstandingRepaint_) {
+        this.outstandingRepaint_ = true;
+        window.setTimeout(this.repaint.bind(this),
+                          REPAINT_TIMEOUT_MS);
+      }
+    },
+
+    repaint: function() {
+      this.outstandingRepaint_ = false;
+      this.getNode().innerHTML = '';
+      PaintLogView(this.sourceEntries_, this.getNode());
+    },
+
+    show: function(isVisible) {
+      superClass.prototype.show.call(this, isVisible);
+      if (isVisible) {
+        this.repaint();
+      } else {
+        this.getNode().innerHTML = '';
+      }
     }
   };
 
   function createSortedCopy(origArray) {
     var sortedArray = origArray.slice(0);
     sortedArray.sort(function(a, b) {
       return a.getSourceId() - b.getSourceId();
     });
     return sortedArray;
   }
 
-  //---------------------------------------------------------------------------
-
-  var DetailsSubView = (function() {
-    // We inherit from DivView.
-    var superClass = DivView;
-
-    /**
-     * Base class for the Log view and Timeline view.
-     *
-     * @constructor
-     */
-    function DetailsSubView(boxId) {
-      superClass.call(this, boxId);
-      this.sourceEntries_ = [];
-    }
-
-    DetailsSubView.prototype = {
-      // Inherit the superclass's methods.
-      __proto__: superClass.prototype,
-
-      setData: function(sourceEntries) {
-        this.sourceEntries_ = sourceEntries;
-
-        // Repaint the view.
-        if (this.isVisible() && !this.outstandingRepaint_) {
-          this.outstandingRepaint_ = true;
-          window.setTimeout(this.repaint.bind(this),
-                            REPAINT_TIMEOUT_MS);
-        }
-      },
-
-      repaint: function() {
-        this.outstandingRepaint_ = false;
-        this.getNode().innerHTML = '';
-      },
-
-      show: function(isVisible) {
-        superClass.prototype.show.call(this, isVisible);
-        if (isVisible) {
-          this.repaint();
-        } else {
-          this.getNode().innerHTML = '';
-        }
-      }
-    };
-
-    return DetailsSubView;
-  })();
-
-  //---------------------------------------------------------------------------
-
-  var DetailsLogView = (function() {
-    // We inherit from DetailsSubView.
-    var superClass = DetailsSubView;
-
-    /**
-     * Subview that is displayed in the log tab.
-     * @constructor
-     */
-    function DetailsLogView(boxId) {
-      superClass.call(this, boxId);
-    }
-
-    DetailsLogView.prototype = {
-      // Inherit the superclass's methods.
-      __proto__: superClass.prototype,
-
-      repaint: function() {
-        superClass.prototype.repaint.call(this);
-        PaintLogView(this.sourceEntries_, this.getNode());
-      }
-    };
-
-    return DetailsLogView;
-  })();
-
-  //---------------------------------------------------------------------------
-
-  var DetailsTimelineView = (function() {
-    // We inherit from DetailsSubView.
-    var superClass = DetailsSubView;
-
-    /**
-     * Subview that is displayed in the timeline tab.
-     * @constructor
-     */
-    function DetailsTimelineView(boxId) {
-      superClass.call(this, boxId);
-    }
-
-    DetailsTimelineView.prototype = {
-      // Inherit the superclass's methods.
-      __proto__: superClass.prototype,
-
-      repaint: function() {
-        superClass.prototype.repaint.call(this);
-        PaintTimelineView(this.sourceEntries_, this.getNode());
-      }
-    };
-
-    return DetailsTimelineView;
-  })();
-
   return DetailsView;
 })();