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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { isSavedFrame } = require("devtools/shared/DevToolsUtils");
const { DOM: dom, createClass, createFactory } = require("devtools/client/shared/vendor/react");
const { L10N, formatNumber, formatPercent } = require("../utils");
const Frame = createFactory(require("devtools/client/shared/components/frame"));
const { TREE_ROW_HEIGHT } = require("../constants");
const CensusTreeItem = module.exports = createClass({
displayName: "CensusTreeItem",
shouldComponentUpdate(nextProps, nextState) {
return this.props.item != nextProps.item
|| this.props.depth != nextProps.depth
|| this.props.expanded != nextProps.expanded
|| this.props.focused != nextProps.focused
|| this.props.diffing != nextProps.diffing;
},
render() {
let {
item,
depth,
arrow,
focused,
getPercentBytes,
getPercentCount,
diffing,
onViewSourceInDebugger,
onViewIndividuals,
inverted,
} = this.props;
const bytes = formatNumber(item.bytes, !!diffing);
const percentBytes = formatPercent(getPercentBytes(item.bytes), !!diffing);
const count = formatNumber(item.count, !!diffing);
const percentCount = formatPercent(getPercentCount(item.count), !!diffing);
const totalBytes = formatNumber(item.totalBytes, !!diffing);
const percentTotalBytes = formatPercent(getPercentBytes(item.totalBytes), !!diffing);
const totalCount = formatNumber(item.totalCount, !!diffing);
const percentTotalCount = formatPercent(getPercentCount(item.totalCount), !!diffing);
let pointer;
if (inverted && depth > 0) {
pointer = dom.span({ className: "children-pointer" }, "↖");
} else if (!inverted && item.children && item.children.length) {
pointer = dom.span({ className: "children-pointer" }, "↘");
}
let individualsCell;
if (!diffing) {
let individualsButton;
if (item.reportLeafIndex !== undefined) {
individualsButton = dom.button(
{
key: `individuals-button-${item.id}`,
title: L10N.getStr("tree-item.view-individuals.tooltip"),
className: "devtools-button individuals-button",
onClick: e => {
// Don't let the event bubble up to cause this item to focus after
// we have switched views, which would lead to assertion failures.
e.preventDefault();
e.stopPropagation();
onViewIndividuals(item);
},
},
"⁂"
);
}
individualsCell = dom.span(
{ className: "heap-tree-item-field heap-tree-item-individuals" },
individualsButton
);
}
return dom.div(
{ className: `heap-tree-item ${focused ? "focused" : ""}` },
dom.span({ className: "heap-tree-item-field heap-tree-item-bytes" },
dom.span({ className: "heap-tree-number" }, bytes),
dom.span({ className: "heap-tree-percent" }, percentBytes)),
dom.span({ className: "heap-tree-item-field heap-tree-item-count" },
dom.span({ className: "heap-tree-number" }, count),
dom.span({ className: "heap-tree-percent" }, percentCount)),
dom.span({ className: "heap-tree-item-field heap-tree-item-total-bytes" },
dom.span({ className: "heap-tree-number" }, totalBytes),
dom.span({ className: "heap-tree-percent" }, percentTotalBytes)),
dom.span({ className: "heap-tree-item-field heap-tree-item-total-count" },
dom.span({ className: "heap-tree-number" }, totalCount),
dom.span({ className: "heap-tree-percent" }, percentTotalCount)),
individualsCell,
dom.span(
{
className: "heap-tree-item-field heap-tree-item-name",
style: { marginInlineStart: depth * TREE_ROW_HEIGHT }
},
arrow,
pointer,
this.toLabel(item.name, onViewSourceInDebugger)
)
);
},
toLabel(name, linkToDebugger) {
if (isSavedFrame(name)) {
return Frame({
frame: name,
onClick: () => linkToDebugger(name),
showFunctionName: true,
showHost: true,
});
}
if (name === null) {
return L10N.getStr("tree-item.root");
}
if (name === "noStack") {
return L10N.getStr("tree-item.nostack");
}
if (name === "noFilename") {
return L10N.getStr("tree-item.nofilename");
}
return String(name);
},
});
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