| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2013 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="/core/tracks/chart_track.html"> |
| <link rel="import" href="/base/ui.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tv.exportTo('tv.c.tracks', function() { |
| |
| /** |
| * A track that displays a Counter object. |
| * @constructor |
| * @extends {ChartTrack} |
| */ |
| var CounterTrack = |
| tv.b.ui.define('counter-track', tv.c.tracks.ChartTrack); |
| |
| CounterTrack.prototype = { |
| __proto__: tv.c.tracks.ChartTrack.prototype, |
| |
| decorate: function(viewport) { |
| tv.c.tracks.ChartTrack.prototype.decorate.call(this, viewport); |
| this.classList.add('counter-track'); |
| }, |
| |
| get counter() { |
| return this.chart; |
| }, |
| |
| set counter(counter) { |
| this.heading = counter.name + ': '; |
| this.chart = buildChartFromCounter(counter); |
| }, |
| |
| getModelEventFromItem: function(chartValue) { |
| return chartValue; |
| } |
| }; |
| |
| var buildChartFromCounter = function(counter) { |
| // TODO(petrcermak): Build ChartTrackSeries object(s) instead of using the |
| // Counter object directly. |
| return counter; |
| }; |
| |
| return { |
| CounterTrack: CounterTrack |
| }; |
| }); |
| </script> |