tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Census.js (2638B)

      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  Component,
      9  createFactory,
     10 } = require("resource://devtools/client/shared/vendor/react.mjs");
     11 const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.mjs");
     12 const Tree = createFactory(
     13  require("resource://devtools/client/shared/components/VirtualizedTree.js")
     14 );
     15 const CensusTreeItem = createFactory(
     16  require("resource://devtools/client/memory/components/CensusTreeItem.js")
     17 );
     18 const {
     19  TREE_ROW_HEIGHT,
     20 } = require("resource://devtools/client/memory/constants.js");
     21 const {
     22  censusModel,
     23  diffingModel,
     24 } = require("resource://devtools/client/memory/models.js");
     25 
     26 class Census extends Component {
     27  static get propTypes() {
     28    return {
     29      census: censusModel,
     30      onExpand: PropTypes.func.isRequired,
     31      onCollapse: PropTypes.func.isRequired,
     32      onFocus: PropTypes.func.isRequired,
     33      onViewSourceInDebugger: PropTypes.func.isRequired,
     34      onViewIndividuals: PropTypes.func.isRequired,
     35      diffing: diffingModel,
     36    };
     37  }
     38 
     39  render() {
     40    const {
     41      census,
     42      onExpand,
     43      onCollapse,
     44      onFocus,
     45      diffing,
     46      onViewSourceInDebugger,
     47      onViewIndividuals,
     48    } = this.props;
     49 
     50    const report = census.report;
     51    const parentMap = census.parentMap;
     52    const { totalBytes, totalCount } = report;
     53 
     54    const getPercentBytes =
     55      totalBytes === 0 ? _ => 0 : bytes => (bytes / totalBytes) * 100;
     56 
     57    const getPercentCount =
     58      totalCount === 0 ? _ => 0 : count => (count / totalCount) * 100;
     59 
     60    return Tree({
     61      autoExpandDepth: 0,
     62      preventNavigationOnArrowRight: false,
     63      focused: census.focused,
     64      getParent: node => {
     65        const parent = parentMap[node.id];
     66        return parent === report ? null : parent;
     67      },
     68      getChildren: node => node.children || [],
     69      isExpanded: node => census.expanded.has(node.id),
     70      onExpand,
     71      onCollapse,
     72      onFocus,
     73      renderItem: (item, depth, focused, arrow, expanded) =>
     74        new CensusTreeItem({
     75          onViewSourceInDebugger,
     76          item,
     77          depth,
     78          focused,
     79          arrow,
     80          expanded,
     81          getPercentBytes,
     82          getPercentCount,
     83          diffing,
     84          inverted: census.display.inverted,
     85          onViewIndividuals,
     86        }),
     87      getRoots: () => report.children || [],
     88      getKey: node => node.id,
     89      itemHeight: TREE_ROW_HEIGHT,
     90    });
     91  }
     92 }
     93 
     94 module.exports = Census;