| <!DOCTYPE html> |
| <!-- |
| Copyright 2016 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/base/iteration_helpers.html"> |
| <link rel="import" href="/tracing/value/diagnostics/diagnostic.html"> |
| <link rel="import" href="/tracing/value/diagnostics/value_ref.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.v.d', function() { |
| class RelatedValueSet extends tr.v.d.Diagnostic { |
| constructor(opt_values) { |
| super(); |
| this.valuesByGuid_ = new Map(); |
| |
| if (opt_values) |
| for (var value of opt_values) |
| this.add(value); |
| } |
| |
| /** |
| * @param {!(tr.v.d.ValueRef|tr.v.Histogram)} v |
| */ |
| add(value) { |
| if (!(value instanceof tr.v.Histogram) && |
| !(value instanceof tr.v.d.ValueRef)) |
| throw new Error('Must be instanceof Histogram or ValueRef: ' + value); |
| |
| if (this.valuesByGuid_.get(value.guid)) |
| throw new Error('Tried to add same value twice'); |
| |
| this.valuesByGuid_.set(value.guid, value); |
| } |
| |
| has(value) { |
| return this.valuesByGuid_.has(value.guid); |
| } |
| |
| get length() { |
| return this.valuesByGuid_.size; |
| } |
| |
| *[Symbol.iterator]() { |
| for (var [guid, value] of this.valuesByGuid_) |
| yield value; |
| } |
| |
| /** |
| * Resolve all ValueRefs into Values by looking up their guids in |
| * |valueSet|. |
| * If a value cannot be found and |opt_required| is true, then throw an |
| * Error. |
| * If a value cannot be found and |opt_required| is false, then the ValueRef |
| * will remain a ValueRef. |
| * |
| * @param {!tr.v.ValueSet} valueSet |
| * @param {boolean=} opt_required |
| */ |
| resolve(valueSet, opt_required) { |
| for (var [guid, value] of this.valuesByGuid_) { |
| if (!(value instanceof tr.v.d.ValueRef)) |
| continue; |
| |
| value = valueSet.lookup(guid); |
| if (value instanceof tr.v.Histogram) |
| this.valuesByGuid_.set(guid, value); |
| else if (opt_required) |
| throw new Error('Unable to find Histogram ' + guid); |
| } |
| } |
| |
| asDictInto_(d) { |
| d.guids = []; |
| for (var value of this) |
| d.guids.push(value.guid); |
| } |
| |
| static fromDict(d) { |
| return new RelatedValueSet(d.guids.map( |
| guid => new tr.v.d.ValueRef(guid))); |
| } |
| } |
| |
| tr.v.d.Diagnostic.register(RelatedValueSet, { |
| elementName: 'tr-v-ui-related-value-set-span' |
| }); |
| |
| return { |
| RelatedValueSet: RelatedValueSet, |
| }; |
| }); |
| </script> |
