| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2015 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. |
| --> |
| |
| <link rel="import" href="/model/proxy_selectable_item.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.c.tracks', function() { |
| |
| /** |
| * A point in a chart series with x (timestamp) and y (value) coordinates |
| * and an associated model item. The point can optionally also have a base |
| * y coordinate (which for example corresponds to the bottom edge of the |
| * associated bar in a bar chart). |
| * |
| * @constructor |
| * @extends {ProxySelectableItem} |
| */ |
| function ChartPoint(modelItem, x, y, opt_yBase) { |
| tr.model.ProxySelectableItem.call(this, modelItem); |
| this.x = x; |
| this.y = y; |
| |
| // If the base y-coordinate is undefined, the bottom edge of the associated |
| // bar in a bar chart will start at the outer bottom edge (which is most |
| // likely slightly below zero). |
| this.yBase = opt_yBase; |
| }; |
| |
| ChartPoint.prototype = { |
| __proto__: tr.model.ProxySelectableItem.prototype |
| }; |
| |
| return { |
| ChartPoint: ChartPoint |
| }; |
| }); |
| </script> |
