1 files changed, 59 insertions, 0 deletions
diff --git a/chrome/browser/resources/net_internals/topmidbottomview.js b/chrome/browser/resources/net_internals/topmidbottomview.js
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+++ b/chrome/browser/resources/net_internals/topmidbottomview.js
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+// 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 stacks three boxes -- one at the top, one at the bottom, and
+ * one that fills the remaining space between those two.
+ *
+ *  +----------------------+
+ *  |      topbar          |
+ *  +----------------------+
+ *  |                      |
+ *  |                      |
+ *  |                      |
+ *  |                      |
+ *  |      middlebox       |
+ *  |                      |
+ *  |                      |
+ *  |                      |
+ *  |                      |
+ *  |                      |
+ *  +----------------------+
+ *  |     bottombar        |
+ *  +----------------------+
+ *
+ *  @constructor
+ */
+function TopMidBottomView(topView, midView, bottomView) {
+  View.call(this);
+
+  this.topView_ = topView;
+  this.midView_ = midView;
+  this.bottomView_ = bottomView;
+}
+
+inherits(TopMidBottomView, View);
+
+TopMidBottomView.prototype.setGeometry = function(left, top, width, height) {
+  TopMidBottomView.superClass_.setGeometry.call(this, left, top, width, height);
+
+  // Calculate the vertical split points.
+  var topbarHeight = this.topView_.getHeight();
+  var bottombarHeight = this.bottomView_.getHeight();
+  var middleboxHeight = height - (topbarHeight + bottombarHeight);
+
+  // Position the boxes using calculated split points.
+  this.topView_.setGeometry(left, top, width, topbarHeight);
+  this.midView_.setGeometry(left, this.topView_.getBottom(),
+                            width, middleboxHeight);
+  this.bottomView_.setGeometry(left, this.midView_.getBottom(),
+                               width, bottombarHeight);
+};
+
+TopMidBottomView.prototype.show = function(isVisible) {
+  TopMidBottomView.superClass_.show.call(this, isVisible);
+  this.topView_.show(isVisible);
+  this.midView_.show(isVisible);
+  this.bottomView_.show(isVisible);
+};