Andrew Zambazos
246 lines
9.6 KiB
JavaScript
246 lines
9.6 KiB
JavaScript
/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.CPUUsageCombinedView = class CPUUsageCombinedView extends WI.View
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{
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constructor(displayName)
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{
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super();
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this.element.classList.add("cpu-usage-combined-view");
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this._detailsElement = this.element.appendChild(document.createElement("div"));
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this._detailsElement.classList.add("details");
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let detailsNameElement = this._detailsElement.appendChild(document.createElement("span"));
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detailsNameElement.classList.add("name");
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detailsNameElement.textContent = displayName;
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this._detailsElement.appendChild(document.createElement("br"));
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this._detailsAverageElement = this._detailsElement.appendChild(document.createElement("span"));
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this._detailsElement.appendChild(document.createElement("br"));
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this._detailsMaxElement = this._detailsElement.appendChild(document.createElement("span"));
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this._detailsElement.appendChild(document.createElement("br"));
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this._detailsElement.appendChild(document.createElement("br"));
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this._updateDetails(NaN, NaN);
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this._graphElement = this.element.appendChild(document.createElement("div"));
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this._graphElement.classList.add("graph");
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// Combined thread usage area chart.
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this._chart = new WI.StackedAreaChart;
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this._chart.initializeSections(["main-thread-usage", "worker-thread-usage", "total-usage"]);
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this.addSubview(this._chart);
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this._graphElement.appendChild(this._chart.element);
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// Main thread indicator strip.
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this._rangeChart = new WI.RangeChart;
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this.addSubview(this._rangeChart);
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this._graphElement.appendChild(this._rangeChart.element);
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function appendLegendRow(legendElement, className) {
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let rowElement = legendElement.appendChild(document.createElement("div"));
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rowElement.classList.add("row");
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let swatchElement = rowElement.appendChild(document.createElement("div"));
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swatchElement.classList.add("swatch", className);
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let labelElement = rowElement.appendChild(document.createElement("div"));
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labelElement.classList.add("label");
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return labelElement;
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}
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this._legendElement = this._detailsElement.appendChild(document.createElement("div"));
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this._legendElement.classList.add("legend-container");
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this._legendMainThreadElement = appendLegendRow(this._legendElement, "main-thread");
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this._legendWorkerThreadsElement = appendLegendRow(this._legendElement, "worker-threads");
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this._legendOtherThreadsElement = appendLegendRow(this._legendElement, "other-threads");
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this._legendTotalThreadsElement = appendLegendRow(this._legendElement, "total");
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this.clearLegend();
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}
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// Public
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get graphElement() { return this._graphElement; }
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get chart() { return this._chart; }
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get rangeChart() { return this._rangeChart; }
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clear()
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{
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this._cachedAverageSize = undefined;
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this._cachedMaxSize = undefined;
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this._updateDetails(NaN, NaN);
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this.clearLegend();
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this._chart.clear();
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this._chart.needsLayout();
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this._rangeChart.clear();
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this._rangeChart.needsLayout();
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}
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updateChart(dataPoints, size, visibleEndTime, min, max, average, xScale, yScale)
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{
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console.assert(size instanceof WI.Size);
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console.assert(min >= 0);
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console.assert(max >= 0);
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console.assert(min <= max);
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console.assert(min <= average && average <= max);
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this._updateDetails(max, average);
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this._chart.clearPoints();
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this._chart.size = size;
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this._chart.needsLayout();
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if (!dataPoints.length)
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return;
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// Ensure an empty graph is empty.
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if (!max)
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return;
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// Extend the first data point to the start so it doesn't look like we originate at zero size.
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let firstX = 0;
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let firstY1 = yScale(dataPoints[0].mainThreadUsage);
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let firstY2 = yScale(dataPoints[0].mainThreadUsage + dataPoints[0].workerThreadUsage);
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let firstY3 = yScale(dataPoints[0].usage);
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this._chart.addPointSet(firstX, [firstY1, firstY2, firstY3]);
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// Points for data points.
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for (let dataPoint of dataPoints) {
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let x = xScale(dataPoint.time);
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let y1 = yScale(dataPoint.mainThreadUsage);
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let y2 = yScale(dataPoint.mainThreadUsage + dataPoint.workerThreadUsage);
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let y3 = yScale(dataPoint.usage);
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this._chart.addPointSet(x, [y1, y2, y3]);
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}
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// Extend the last data point to the end time.
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let lastDataPoint = dataPoints.lastValue;
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let lastX = Math.floor(xScale(visibleEndTime));
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let lastY1 = yScale(lastDataPoint.mainThreadUsage);
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let lastY2 = yScale(lastDataPoint.mainThreadUsage + lastDataPoint.workerThreadUsage);
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let lastY3 = yScale(lastDataPoint.usage);
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this._chart.addPointSet(lastX, [lastY1, lastY2, lastY3]);
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}
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updateMainThreadIndicator(samples, size, visibleEndTime, xScale)
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{
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console.assert(size instanceof WI.Size);
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this._rangeChart.clear();
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this._rangeChart.size = size;
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this._rangeChart.needsLayout();
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if (!samples.length)
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return;
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// Coalesce ranges of samples.
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let ranges = [];
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let currentRange = null;
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let currentSampleType = undefined;
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for (let i = 0; i < samples.length; ++i) {
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// Back to idle, close any current chunk.
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let type = samples[i];
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if (!type) {
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if (currentRange) {
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ranges.push(currentRange);
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currentRange = null;
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currentSampleType = undefined;
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}
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continue;
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}
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// Expand existing chunk.
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if (type === currentSampleType) {
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currentRange.endIndex = i;
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continue;
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}
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// If type changed, close current chunk.
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if (currentSampleType) {
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ranges.push(currentRange);
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currentRange = null;
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currentSampleType = undefined;
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}
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// Start a new chunk.
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console.assert(!currentRange);
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console.assert(!currentSampleType);
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currentRange = {type, startIndex: i, endIndex: i};
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currentSampleType = type;
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}
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for (let {type, startIndex, endIndex} of ranges) {
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let startX = xScale(startIndex);
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let endX = xScale(endIndex + 1);
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let width = endX - startX;
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this._rangeChart.addRange(startX, width, type);
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}
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}
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clearLegend()
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{
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this._legendMainThreadElement.textContent = WI.UIString("Main Thread");
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this._legendWorkerThreadsElement.textContent = WI.UIString("Worker Threads");
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this._legendOtherThreadsElement.textContent = WI.UIString("Other Threads");
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this._legendTotalThreadsElement.textContent = "";
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}
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updateLegend(record)
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{
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if (!record) {
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this.clearLegend();
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return;
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}
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let {usage, mainThreadUsage, workerThreadUsage, webkitThreadUsage, unknownThreadUsage} = record;
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this._legendMainThreadElement.textContent = WI.UIString("Main: %s").format(Number.percentageString(mainThreadUsage / 100));
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this._legendWorkerThreadsElement.textContent = WI.UIString("Worker: %s").format(Number.percentageString(workerThreadUsage / 100));
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this._legendOtherThreadsElement.textContent = WI.UIString("Other: %s").format(Number.percentageString((webkitThreadUsage + unknownThreadUsage) / 100));
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this._legendTotalThreadsElement.textContent = WI.UIString("Total: %s").format(Number.percentageString(usage / 100));
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}
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// Private
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_updateDetails(maxSize, averageSize)
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{
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if (this._cachedMaxSize === maxSize && this._cachedAverageSize === averageSize)
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return;
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this._cachedAverageSize = averageSize;
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this._cachedMaxSize = maxSize;
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this._detailsAverageElement.textContent = WI.UIString("Average: %s").format(Number.isFinite(maxSize) ? Number.percentageString(averageSize / 100) : emDash);
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this._detailsMaxElement.textContent = WI.UIString("Highest: %s").format(Number.isFinite(maxSize) ? Number.percentageString(maxSize / 100) : emDash);
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}
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};
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