blob: cb9785e1969c9d34ab1c947f5165fa492f139713 [file] [log] [blame]
<!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/ui/base/deep_utils.html">
<link rel="import" href="/tracing/value/diagnostics/diagnostic.html">
<link rel="import" href="/tracing/value/ui/breakdown_span.html">
<link rel="import" href="/tracing/value/ui/collected_related_event_set_span.html">
<link rel="import" href="/tracing/value/ui/date_range_span.html">
<link rel="import" href="/tracing/value/ui/generic_set_span.html">
<link rel="import" href="/tracing/value/ui/related_event_set_span.html">
<link rel="import" href="/tracing/value/ui/scalar_diagnostic_span.html">
<link rel="import" href="/tracing/value/ui/unmergeable_diagnostic_set_span.html">
<script>
'use strict';
tr.exportTo('tr.v.ui', function() {
/**
* Find the name of a polymer element registered to display |diagnostic|
* or one of its base classes.
*
* @param {!tr.v.d.Diagnostic} diagnostic
* @return {string}
*/
function findElementNameForDiagnostic(diagnostic) {
let typeInfo = undefined;
let curProto = diagnostic.constructor.prototype;
while (curProto) {
typeInfo = tr.v.d.Diagnostic.findTypeInfo(curProto.constructor);
if (typeInfo && typeInfo.metadata.elementName) break;
typeInfo = undefined;
curProto = curProto.__proto__;
}
if (typeInfo === undefined) {
throw new Error(
diagnostic.constructor.name +
' or a base class must have a registered elementName');
}
return typeInfo.metadata.elementName;
}
/**
* Create a visualization for |diagnostic|.
*
* @param {!tr.v.d.Diagnostic} diagnostic
* @param {string} name
* @param {!tr.v.Histogram} histogram
* @return {Element}
*/
function createDiagnosticSpan(diagnostic, name, histogram) {
const tagName = findElementNameForDiagnostic(diagnostic);
const span = document.createElement(tagName);
if (span instanceof HTMLUnknownElement) {
throw new Error('Element not registered: ' + tagName);
}
if (span.build === undefined) throw new Error(tagName);
span.build(diagnostic, name, histogram);
return span;
}
return {
createDiagnosticSpan,
};
});
</script>