| <!DOCTYPE html> |
| <!-- |
| Copyright 2017 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="/tracing/value/diagnostics/diagnostic.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.v.d', function() { |
| /** |
| * This class represents a mergeable range of Date objects. |
| * This range can contain 1 or 2 Dates. |
| */ |
| class DateRange extends tr.v.d.Diagnostic { |
| /** |
| * @param {number} ms |
| */ |
| constructor(ms) { |
| super(); |
| this.range_ = new tr.b.math.Range(); |
| this.range_.addValue(ms); |
| } |
| |
| get minTimestamp() { |
| return this.range_.min; |
| } |
| |
| get maxTimestamp() { |
| return this.range_.max; |
| } |
| |
| get minDate() { |
| return new Date(this.range_.min); |
| } |
| |
| get maxDate() { |
| return new Date(this.range_.max); |
| } |
| |
| get durationMs() { |
| return this.range_.duration; |
| } |
| |
| clone() { |
| const clone = new tr.v.d.DateRange(this.range_.min); |
| clone.addDiagnostic(this); |
| return clone; |
| } |
| |
| equals(other) { |
| if (!(other instanceof DateRange)) return false; |
| return this.range_.equals(other.range_); |
| } |
| |
| canAddDiagnostic(otherDiagnostic) { |
| return otherDiagnostic instanceof DateRange; |
| } |
| |
| addDiagnostic(other) { |
| this.range_.addRange(other.range_); |
| } |
| |
| toString() { |
| const minDate = tr.b.formatDate(this.minDate); |
| if (this.durationMs === 0) return minDate; |
| const maxDate = tr.b.formatDate(this.maxDate); |
| return `${minDate} - ${maxDate}`; |
| } |
| |
| serialize(serializer) { |
| if (this.durationMs === 0) return this.range_.min; |
| return [this.range_.min, this.range_.max]; |
| } |
| |
| asDictInto_(d) { |
| d.min = this.range_.min; |
| if (this.durationMs === 0) return; |
| d.max = this.range_.max; |
| } |
| |
| static deserialize(data, deserializer) { |
| if (data instanceof Array) { |
| const dr = new DateRange(data[0]); |
| dr.range_.addValue(data[1]); |
| return dr; |
| } |
| return new DateRange(data); |
| } |
| |
| static fromDict(d) { |
| const dateRange = new DateRange(d.min); |
| if (d.max !== undefined) dateRange.range_.addValue(d.max); |
| return dateRange; |
| } |
| } |
| |
| tr.v.d.Diagnostic.register(DateRange, { |
| elementName: 'tr-v-ui-date-range-span' |
| }); |
| |
| return { |
| DateRange, |
| }; |
| }); |
| </script> |
