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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/base.html">
<link rel="import" href="/tracing/base/math/rect.html">
<script>
'use strict';
tr.exportTo('tr.ui.b', function() {
function instantiateTemplate(selector, doc) {
doc = doc || document;
const el = Polymer.dom(doc).querySelector(selector);
if (!el) {
throw new Error('Element not found: ' + selector);
}
return doc.importNode(el.content, true);
// return el.createInstance();
}
function windowRectForElement(element) {
const position = [element.offsetLeft, element.offsetTop];
const size = [element.offsetWidth, element.offsetHeight];
let node = element.offsetParent;
while (node) {
position[0] += node.offsetLeft;
position[1] += node.offsetTop;
node = node.offsetParent;
}
return tr.b.math.Rect.fromXYWH(position[0], position[1], size[0], size[1]);
}
function scrollIntoViewIfNeeded(el) {
const pr = el.parentElement.getBoundingClientRect();
const cr = el.getBoundingClientRect();
if (cr.top < pr.top) {
el.scrollIntoView(true);
} else if (cr.bottom > pr.bottom) {
el.scrollIntoView(false);
}
}
function extractUrlString(url) {
let extracted = url.replace(/url\((.*)\)/, '$1');
// In newer versions of chrome, the contents of url() will be quoted. Remove
// these quotes as well. If quotes are not present, match will fail and this
// becomes a no-op.
extracted = extracted.replace(/\"(.*)\"/, '$1');
return extracted;
}
function toThreeDigitLocaleString(value) {
return value.toLocaleString(
undefined, {minimumFractionDigits: 3, maximumFractionDigits: 3});
}
/**
* Returns true if |name| is the name of an unknown HTML element. Registered
* polymer elements are known, so this returns false. Typos of registered
* polymer element names are unknown, so this returns true for typos.
*
* @return {boolean}
*/
function isUnknownElementName(name) {
return document.createElement(name) instanceof HTMLUnknownElement;
}
return {
isUnknownElementName,
toThreeDigitLocaleString,
instantiateTemplate,
windowRectForElement,
scrollIntoViewIfNeeded,
extractUrlString,
};
});
</script>
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