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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WebInspector.MemoryCategoryView = class MemoryCategoryView extends WebInspector.Object
{
constructor(category, displayName)
{
super();
console.assert(typeof category === "string");
this._category = category;
this._element = document.createElement("div");
this._element.classList.add("memory-category-view", category);
this._detailsElement = this._element.appendChild(document.createElement("div"));
this._detailsElement.classList.add("details");
let detailsNameElement = this._detailsElement.appendChild(document.createElement("span"));
detailsNameElement.classList.add("name");
detailsNameElement.textContent = displayName;
this._detailsElement.appendChild(document.createElement("br"));
this._detailsMaxElement = this._detailsElement.appendChild(document.createElement("span"));
this._detailsElement.appendChild(document.createElement("br"));
this._detailsMinElement = this._detailsElement.appendChild(document.createElement("span"));
this._updateDetails(NaN, NaN);
this._graphElement = this._element.appendChild(document.createElement("div"));
this._graphElement.classList.add("graph");
// FIXME: <https://webkit.org/b/153758> Web Inspector: Memory Timeline View should be responsive / resizable
let size = new WebInspector.Size(800, 75);
this._chart = new WebInspector.LineChart(size);
this._graphElement.appendChild(this._chart.element);
}
// Public
get element() { return this._element; }
get category() { return this._category; }
clear()
{
this._cachedMinSize = undefined;
this._cachedMaxSize = undefined;
this._chart.clear();
this._chart.needsLayout();
}
layoutWithDataPoints(dataPoints, lastTime, minSize, maxSize, xScale, yScale)
{
console.assert(minSize >= 0);
console.assert(maxSize >= 0);
console.assert(minSize <= maxSize);
this._updateDetails(minSize, maxSize);
this._chart.clear();
if (!dataPoints.length)
return;
// Ensure an empty graph is empty.
if (!maxSize)
return;
// Extend the first data point to the start so it doesn't look like we originate at zero size.
let firstX = 0;
let firstY = yScale(dataPoints[0].size);
this._chart.addPoint(firstX, firstY);
// Points for data points.
for (let dataPoint of dataPoints) {
let x = xScale(dataPoint.time);
let y = yScale(dataPoint.size);
this._chart.addPoint(x, y);
}
// Extend the last data point to the end time.
let lastDataPoint = dataPoints.lastValue;
let lastX = Math.floor(xScale(lastTime));
let lastY = yScale(lastDataPoint.size);
this._chart.addPoint(lastX, lastY);
this._chart.updateLayout();
}
// Private
_updateDetails(minSize, maxSize)
{
if (this._cachedMinSize === minSize && this._cachedMaxSize === maxSize)
return;
this._cachedMinSize = minSize;
this._cachedMaxSize = maxSize;
this._detailsMaxElement.textContent = WebInspector.UIString("Highest: %s").format(Number.isFinite(maxSize) ? Number.bytesToString(maxSize) : emDash);
this._detailsMinElement.textContent = WebInspector.UIString("Lowest: %s").format(Number.isFinite(minSize) ? Number.bytesToString(minSize) : emDash);
}
};
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