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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
449
devtools/client/shared/widgets/Chart.jsm
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449
devtools/client/shared/widgets/Chart.jsm
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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const Cu = Components.utils;
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const NET_STRINGS_URI = "devtools/client/locales/netmonitor.properties";
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const SVG_NS = "http://www.w3.org/2000/svg";
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const PI = Math.PI;
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const TAU = PI * 2;
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const EPSILON = 0.0000001;
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const NAMED_SLICE_MIN_ANGLE = TAU / 8;
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const NAMED_SLICE_TEXT_DISTANCE_RATIO = 1.9;
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const HOVERED_SLICE_TRANSLATE_DISTANCE_RATIO = 20;
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const { require } = Cu.import("resource://devtools/shared/Loader.jsm", {});
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const { XPCOMUtils } = require("resource://gre/modules/XPCOMUtils.jsm");
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const EventEmitter = require("devtools/shared/event-emitter");
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const { LocalizationHelper } = require("devtools/shared/l10n");
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this.EXPORTED_SYMBOLS = ["Chart"];
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/**
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* Localization convenience methods.
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*/
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var L10N = new LocalizationHelper(NET_STRINGS_URI);
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/**
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* A factory for creating charts.
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* Example usage: let myChart = Chart.Pie(document, { ... });
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*/
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var Chart = {
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Pie: createPieChart,
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Table: createTableChart,
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PieTable: createPieTableChart
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};
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/**
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* A simple pie chart proxy for the underlying view.
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* Each item in the `slices` property represents a [data, node] pair containing
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* the data used to create the slice and the nsIDOMNode displaying it.
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*
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* @param nsIDOMNode node
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* The node representing the view for this chart.
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*/
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function PieChart(node) {
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this.node = node;
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this.slices = new WeakMap();
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EventEmitter.decorate(this);
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}
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/**
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* A simple table chart proxy for the underlying view.
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* Each item in the `rows` property represents a [data, node] pair containing
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* the data used to create the row and the nsIDOMNode displaying it.
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*
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* @param nsIDOMNode node
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* The node representing the view for this chart.
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*/
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function TableChart(node) {
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this.node = node;
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this.rows = new WeakMap();
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EventEmitter.decorate(this);
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}
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/**
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* A simple pie+table chart proxy for the underlying view.
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*
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* @param nsIDOMNode node
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* The node representing the view for this chart.
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* @param PieChart pie
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* The pie chart proxy.
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* @param TableChart table
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* The table chart proxy.
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*/
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function PieTableChart(node, pie, table) {
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this.node = node;
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this.pie = pie;
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this.table = table;
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EventEmitter.decorate(this);
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}
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/**
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* Creates the DOM for a pie+table chart.
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*
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* @param nsIDocument document
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* The document responsible with creating the DOM.
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* @param object
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* An object containing all or some of the following properties:
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* - title: a string displayed as the table chart's (description)/local
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* - diameter: the diameter of the pie chart, in pixels
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* - data: an array of items used to display each slice in the pie
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* and each row in the table;
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* @see `createPieChart` and `createTableChart` for details.
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* - strings: @see `createTableChart` for details.
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* - totals: @see `createTableChart` for details.
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* - sorted: a flag specifying if the `data` should be sorted
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* ascending by `size`.
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* @return PieTableChart
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* A pie+table chart proxy instance, which emits the following events:
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* - "mouseover", when the mouse enters a slice or a row
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* - "mouseout", when the mouse leaves a slice or a row
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* - "click", when the mouse enters a slice or a row
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*/
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function createPieTableChart(document, { title, diameter, data, strings, totals, sorted }) {
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if (data && sorted) {
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data = data.slice().sort((a, b) => +(a.size < b.size));
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}
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let pie = Chart.Pie(document, {
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width: diameter,
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data: data
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});
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let table = Chart.Table(document, {
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title: title,
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data: data,
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strings: strings,
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totals: totals
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});
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let container = document.createElement("hbox");
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container.className = "pie-table-chart-container";
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container.appendChild(pie.node);
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container.appendChild(table.node);
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let proxy = new PieTableChart(container, pie, table);
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pie.on("click", (event, item) => {
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proxy.emit(event, item);
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});
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table.on("click", (event, item) => {
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proxy.emit(event, item);
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});
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pie.on("mouseover", (event, item) => {
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proxy.emit(event, item);
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if (table.rows.has(item)) {
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table.rows.get(item).setAttribute("focused", "");
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}
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});
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pie.on("mouseout", (event, item) => {
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proxy.emit(event, item);
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if (table.rows.has(item)) {
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table.rows.get(item).removeAttribute("focused");
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}
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});
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table.on("mouseover", (event, item) => {
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proxy.emit(event, item);
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if (pie.slices.has(item)) {
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pie.slices.get(item).setAttribute("focused", "");
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}
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});
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table.on("mouseout", (event, item) => {
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proxy.emit(event, item);
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if (pie.slices.has(item)) {
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pie.slices.get(item).removeAttribute("focused");
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}
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});
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return proxy;
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}
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/**
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* Creates the DOM for a pie chart based on the specified properties.
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*
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* @param nsIDocument document
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* The document responsible with creating the DOM.
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* @param object
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* An object containing all or some of the following properties:
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* - data: an array of items used to display each slice; all the items
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* should be objects containing a `size` and a `label` property.
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* e.g: [{
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* size: 1,
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* label: "foo"
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* }, {
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* size: 2,
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* label: "bar"
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* }];
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* - width: the width of the chart, in pixels
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* - height: optional, the height of the chart, in pixels.
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* - centerX: optional, the X-axis center of the chart, in pixels.
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* - centerY: optional, the Y-axis center of the chart, in pixels.
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* - radius: optional, the radius of the chart, in pixels.
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* @return PieChart
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* A pie chart proxy instance, which emits the following events:
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* - "mouseover", when the mouse enters a slice
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* - "mouseout", when the mouse leaves a slice
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* - "click", when the mouse clicks a slice
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*/
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function createPieChart(document, { data, width, height, centerX, centerY, radius }) {
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height = height || width;
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centerX = centerX || width / 2;
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centerY = centerY || height / 2;
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radius = radius || (width + height) / 4;
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let isPlaceholder = false;
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// Filter out very small sizes, as they'll just render invisible slices.
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data = data ? data.filter(e => e.size > EPSILON) : null;
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// If there's no data available, display an empty placeholder.
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if (!data) {
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data = loadingPieChartData;
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isPlaceholder = true;
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}
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if (!data.length) {
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data = emptyPieChartData;
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isPlaceholder = true;
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}
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let container = document.createElementNS(SVG_NS, "svg");
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container.setAttribute("class", "generic-chart-container pie-chart-container");
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container.setAttribute("pack", "center");
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container.setAttribute("flex", "1");
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container.setAttribute("width", width);
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container.setAttribute("height", height);
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container.setAttribute("viewBox", "0 0 " + width + " " + height);
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container.setAttribute("slices", data.length);
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container.setAttribute("placeholder", isPlaceholder);
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let proxy = new PieChart(container);
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let total = data.reduce((acc, e) => acc + e.size, 0);
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let angles = data.map(e => e.size / total * (TAU - EPSILON));
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let largest = data.reduce((a, b) => a.size > b.size ? a : b);
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let smallest = data.reduce((a, b) => a.size < b.size ? a : b);
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let textDistance = radius / NAMED_SLICE_TEXT_DISTANCE_RATIO;
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let translateDistance = radius / HOVERED_SLICE_TRANSLATE_DISTANCE_RATIO;
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let startAngle = TAU;
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let endAngle = 0;
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let midAngle = 0;
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radius -= translateDistance;
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for (let i = data.length - 1; i >= 0; i--) {
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let sliceInfo = data[i];
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let sliceAngle = angles[i];
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if (!sliceInfo.size || sliceAngle < EPSILON) {
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continue;
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}
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endAngle = startAngle - sliceAngle;
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midAngle = (startAngle + endAngle) / 2;
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let x1 = centerX + radius * Math.sin(startAngle);
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let y1 = centerY - radius * Math.cos(startAngle);
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let x2 = centerX + radius * Math.sin(endAngle);
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let y2 = centerY - radius * Math.cos(endAngle);
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let largeArcFlag = Math.abs(startAngle - endAngle) > PI ? 1 : 0;
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let pathNode = document.createElementNS(SVG_NS, "path");
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pathNode.setAttribute("class", "pie-chart-slice chart-colored-blob");
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pathNode.setAttribute("name", sliceInfo.label);
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pathNode.setAttribute("d",
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" M " + centerX + "," + centerY +
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" L " + x2 + "," + y2 +
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" A " + radius + "," + radius +
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" 0 " + largeArcFlag +
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" 1 " + x1 + "," + y1 +
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" Z");
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if (sliceInfo == largest) {
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pathNode.setAttribute("largest", "");
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}
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if (sliceInfo == smallest) {
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pathNode.setAttribute("smallest", "");
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}
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let hoverX = translateDistance * Math.sin(midAngle);
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let hoverY = -translateDistance * Math.cos(midAngle);
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let hoverTransform = "transform: translate(" + hoverX + "px, " + hoverY + "px)";
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pathNode.setAttribute("style", data.length > 1 ? hoverTransform : "");
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proxy.slices.set(sliceInfo, pathNode);
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delegate(proxy, ["click", "mouseover", "mouseout"], pathNode, sliceInfo);
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container.appendChild(pathNode);
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if (sliceInfo.label && sliceAngle > NAMED_SLICE_MIN_ANGLE) {
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let textX = centerX + textDistance * Math.sin(midAngle);
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let textY = centerY - textDistance * Math.cos(midAngle);
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let label = document.createElementNS(SVG_NS, "text");
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label.appendChild(document.createTextNode(sliceInfo.label));
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label.setAttribute("class", "pie-chart-label");
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label.setAttribute("style", data.length > 1 ? hoverTransform : "");
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label.setAttribute("x", data.length > 1 ? textX : centerX);
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label.setAttribute("y", data.length > 1 ? textY : centerY);
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container.appendChild(label);
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}
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startAngle = endAngle;
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}
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return proxy;
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}
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/**
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* Creates the DOM for a table chart based on the specified properties.
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*
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* @param nsIDocument document
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* The document responsible with creating the DOM.
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* @param object
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* An object containing all or some of the following properties:
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* - title: a string displayed as the chart's (description)/local
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* - data: an array of items used to display each row; all the items
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* should be objects representing columns, for which the
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* properties' values will be displayed in each cell of a row.
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* e.g: [{
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* label1: 1,
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* label2: 3,
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* label3: "foo"
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* }, {
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* label1: 4,
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* label2: 6,
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* label3: "bar
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* }];
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* - strings: an object specifying for which rows in the `data` array
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* their cell values should be stringified and localized
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* based on a predicate function;
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* e.g: {
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* label1: value => l10n.getFormatStr("...", value)
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* }
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* - totals: an object specifying for which rows in the `data` array
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* the sum of their cells is to be displayed in the chart;
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* e.g: {
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* label1: total => l10n.getFormatStr("...", total), // 5
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* label2: total => l10n.getFormatStr("...", total), // 9
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* }
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* @return TableChart
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* A table chart proxy instance, which emits the following events:
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* - "mouseover", when the mouse enters a row
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* - "mouseout", when the mouse leaves a row
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* - "click", when the mouse clicks a row
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*/
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function createTableChart(document, { title, data, strings, totals }) {
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strings = strings || {};
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totals = totals || {};
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let isPlaceholder = false;
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// If there's no data available, display an empty placeholder.
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if (!data) {
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data = loadingTableChartData;
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isPlaceholder = true;
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}
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if (!data.length) {
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data = emptyTableChartData;
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isPlaceholder = true;
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}
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let container = document.createElement("vbox");
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container.className = "generic-chart-container table-chart-container";
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container.setAttribute("pack", "center");
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container.setAttribute("flex", "1");
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container.setAttribute("rows", data.length);
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container.setAttribute("placeholder", isPlaceholder);
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let proxy = new TableChart(container);
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let titleNode = document.createElement("label");
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titleNode.className = "plain table-chart-title";
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titleNode.setAttribute("value", title);
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container.appendChild(titleNode);
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let tableNode = document.createElement("vbox");
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tableNode.className = "plain table-chart-grid";
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container.appendChild(tableNode);
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for (let rowInfo of data) {
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let rowNode = document.createElement("hbox");
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rowNode.className = "table-chart-row";
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rowNode.setAttribute("align", "center");
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let boxNode = document.createElement("hbox");
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boxNode.className = "table-chart-row-box chart-colored-blob";
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boxNode.setAttribute("name", rowInfo.label);
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rowNode.appendChild(boxNode);
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for (let [key, value] of Object.entries(rowInfo)) {
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let index = data.indexOf(rowInfo);
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let stringified = strings[key] ? strings[key](value, index) : value;
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let labelNode = document.createElement("label");
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labelNode.className = "plain table-chart-row-label";
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labelNode.setAttribute("name", key);
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labelNode.setAttribute("value", stringified);
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rowNode.appendChild(labelNode);
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}
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proxy.rows.set(rowInfo, rowNode);
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delegate(proxy, ["click", "mouseover", "mouseout"], rowNode, rowInfo);
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tableNode.appendChild(rowNode);
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}
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let totalsNode = document.createElement("vbox");
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totalsNode.className = "table-chart-totals";
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for (let [key, value] of Object.entries(totals)) {
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let total = data.reduce((acc, e) => acc + e[key], 0);
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let stringified = totals[key] ? totals[key](total || 0) : total;
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let labelNode = document.createElement("label");
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labelNode.className = "plain table-chart-summary-label";
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labelNode.setAttribute("name", key);
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labelNode.setAttribute("value", stringified);
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totalsNode.appendChild(labelNode);
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}
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container.appendChild(totalsNode);
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||||
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return proxy;
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}
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||||
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||||
XPCOMUtils.defineLazyGetter(this, "loadingPieChartData", () => {
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return [{ size: 1, label: L10N.getStr("pieChart.loading") }];
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});
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XPCOMUtils.defineLazyGetter(this, "emptyPieChartData", () => {
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return [{ size: 1, label: L10N.getStr("pieChart.unavailable") }];
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});
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XPCOMUtils.defineLazyGetter(this, "loadingTableChartData", () => {
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return [{ size: "", label: L10N.getStr("tableChart.loading") }];
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});
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XPCOMUtils.defineLazyGetter(this, "emptyTableChartData", () => {
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return [{ size: "", label: L10N.getStr("tableChart.unavailable") }];
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});
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/**
|
||||
* Delegates DOM events emitted by an nsIDOMNode to an EventEmitter proxy.
|
||||
*
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||||
* @param EventEmitter emitter
|
||||
* The event emitter proxy instance.
|
||||
* @param array events
|
||||
* An array of events, e.g. ["mouseover", "mouseout"].
|
||||
* @param nsIDOMNode node
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||||
* The element firing the DOM events.
|
||||
* @param any args
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||||
* The arguments passed when emitting events through the proxy.
|
||||
*/
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||||
function delegate(emitter, events, node, args) {
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for (let event of events) {
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||||
node.addEventListener(event, emitter.emit.bind(emitter, event, args));
|
||||
}
|
||||
}
|
||||
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