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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 {
Component,
const { treeMapModel } = require("resource://devtools/client/memory/models.js");
class TreeMap extends Component {
static get propTypes() {
return {
treeMap: treeMapModel,
};
}
constructor(props) {
super(props);
this.state = {};
this._stopVisualization = this._stopVisualization.bind(this);
this._startVisualization = this._startVisualization.bind(this);
}
componentDidMount() {
const { treeMap } = this.props;
if (treeMap?.report) {
this._startVisualization();
}
}
shouldComponentUpdate(nextProps) {
const oldTreeMap = this.props.treeMap;
const newTreeMap = nextProps.treeMap;
return oldTreeMap !== newTreeMap;
}
componentDidUpdate() {
this._stopVisualization();
if (this.props.treeMap && this.props.treeMap.report) {
this._startVisualization();
}
}
componentWillUnmount() {
if (this.state.stopVisualization) {
this.state.stopVisualization();
}
}
_stopVisualization() {
if (this.state.stopVisualization) {
this.state.stopVisualization();
this.setState({ stopVisualization: null });
}
}
_startVisualization() {
const { container } = this.refs;
const { report } = this.props.treeMap;
const stopVisualization = startVisualization(container, report);
this.setState({ stopVisualization });
}
render() {
return dom.div({
ref: "container",
className: "tree-map-container",
});
}
}
module.exports = TreeMap;