Andrew Zambazos
124 lines
4.5 KiB
JavaScript
124 lines
4.5 KiB
JavaScript
/*
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* Copyright (C) 2016 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.MemoryCategoryView = class MemoryCategoryView extends WI.View
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{
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constructor(category, displayName)
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{
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console.assert(typeof category === "string");
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super();
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this._category = category;
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this.element.classList.add("memory-category-view", category);
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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._detailsMaxElement = this._detailsElement.appendChild(document.createElement("span"));
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this._detailsElement.appendChild(document.createElement("br"));
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this._detailsMinElement = this._detailsElement.appendChild(document.createElement("span"));
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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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this._chart = new WI.AreaChart;
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this.addSubview(this._chart);
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this._graphElement.appendChild(this._chart.element);
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}
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// Public
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get category() { return this._category; }
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clear()
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{
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this._cachedMinSize = undefined;
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this._cachedMaxSize = undefined;
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this._updateDetails(NaN, NaN);
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this._chart.clear();
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}
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updateChart(dataPoints, size, visibleEndTime, min, max, 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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this._updateDetails(min, max);
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this._chart.clear();
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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 firstY = yScale(dataPoints[0].size);
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this._chart.addPoint(firstX, firstY);
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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 y = yScale(dataPoint.size);
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this._chart.addPoint(x, y);
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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 lastY = yScale(lastDataPoint.size);
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this._chart.addPoint(lastX, lastY);
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}
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// Private
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_updateDetails(minSize, maxSize)
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{
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if (this._cachedMinSize === minSize && this._cachedMaxSize === maxSize)
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return;
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this._cachedMinSize = minSize;
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this._cachedMaxSize = maxSize;
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this._detailsMaxElement.textContent = WI.UIString("Highest: %s").format(Number.isFinite(maxSize) ? Number.bytesToString(maxSize) : emDash);
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this._detailsMinElement.textContent = WI.UIString("Lowest: %s").format(Number.isFinite(minSize) ? Number.bytesToString(minSize) : emDash);
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}
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};
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