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<!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="/tracing/base/statistics.html">
<script>
'use strict';
tr.exportTo('tr.v.ui', function() {
var ArrayOfNumbersSummaryModes = {
AVERAGE_MODE: 'average-mode',
TOTAL_MODE: 'total-mode'
};
return {
ArrayOfNumbersSummaryModes: ArrayOfNumbersSummaryModes
};
});
</script>
<dom-module id='tr-v-ui-array-of-numbers-span'>
<template>
</template>
</dom-module>
<script>
'use strict';
Polymer({
is: 'tr-v-ui-array-of-numbers-span',
created: function() {
this.numbers_ = undefined;
this.summaryMode_ = tr.v.ui.ArrayOfNumbersSummaryModes.AVERAGE_MODE;
},
get summaryMode() {
return this.summaryMode_;
},
set summaryMode(summaryMode) {
this.summaryMode_ = summaryMode;
this.updateContents_();
},
get numbers() {
return this.numbers_;
},
set numbers(numbers) {
if (numbers === undefined) {
this.numbers_ = undefined;
this.updateContents_();
return;
}
if (!(numbers instanceof Array))
throw new Error('Must provide an array');
this.numbers_ = numbers;
this.updateContents_();
},
updateContents_: function() {
if (this.numbers_ === undefined) {
Polymer.dom(this.root).textContent = '-';
return;
}
var ArrayOfNumbersSummaryModes = tr.v.ui.ArrayOfNumbersSummaryModes;
var value;
if (this.summaryMode_ === ArrayOfNumbersSummaryModes.AVERAGE_MODE)
value = tr.b.Statistics.mean(this.numbers_);
else
value = tr.b.Statistics.sum(this.numbers_);
var valueRounded = Math.round(value * 1000.0) / 1000.0;
Polymer.dom(this.root).textContent = valueRounded;
}
});
</script>
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