tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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start.js (1166B)


      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
      3 * You can obtain one at http://mozilla.org/MPL/2.0/. */
      4 
      5 "use strict";
      6 
      7 const {
      8  setupDraw,
      9 } = require("resource://devtools/client/memory/components/tree-map/draw.js");
     10 const DragZoom = require("resource://devtools/client/memory/components/tree-map/drag-zoom.js");
     11 const CanvasUtils = require("resource://devtools/client/memory/components/tree-map/canvas-utils.js");
     12 
     13 /**
     14 * Start the tree map visualization
     15 *
     16 * @param  {HTMLDivElement} container
     17 * @param  {object} report
     18 *                  the report from a census
     19 * @param  {number} debounceRate
     20 */
     21 module.exports = function startVisualization(
     22  parentEl,
     23  report,
     24  debounceRate = 60
     25 ) {
     26  const window = parentEl.ownerDocument.defaultView;
     27  const canvases = new CanvasUtils(parentEl, debounceRate);
     28  const dragZoom = new DragZoom(
     29    canvases.container,
     30    debounceRate,
     31    window.requestAnimationFrame
     32  );
     33 
     34  setupDraw(report, canvases, dragZoom);
     35 
     36  return function stopVisualization() {
     37    canvases.destroy();
     38    dragZoom.destroy();
     39  };
     40 };