From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 devtools/client/memory/components/tree-map.js | 71 +++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 devtools/client/memory/components/tree-map.js

(limited to 'devtools/client/memory/components/tree-map.js')

diff --git a/devtools/client/memory/components/tree-map.js b/devtools/client/memory/components/tree-map.js
new file mode 100644
index 000000000..b6764605e
--- /dev/null
+++ b/devtools/client/memory/components/tree-map.js
@@ -0,0 +1,71 @@
+/* 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 { DOM: dom, createClass } = require("devtools/client/shared/vendor/react");
+const { treeMapModel } = require("../models");
+const startVisualization = require("./tree-map/start");
+
+module.exports = createClass({
+  propTypes: {
+    treeMap: treeMapModel
+  },
+
+  displayName: "TreeMap",
+
+  getInitialState() {
+    return {};
+  },
+
+  componentDidMount() {
+    const { treeMap } = this.props;
+    if (treeMap && treeMap.report) {
+      this._startVisualization();
+    }
+  },
+
+  shouldComponentUpdate(nextProps) {
+    const oldTreeMap = this.props.treeMap;
+    const newTreeMap = nextProps.treeMap;
+    return oldTreeMap !== newTreeMap;
+  },
+
+  componentDidUpdate(prevProps) {
+    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"
+      }
+    );
+  }
+});
-- 
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