blob: 2c8514081a30425fef7e2777b44ff3da57ddfd6d [file] [log] [blame]
/*
* Copyright (C) 2017 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.
*/
WI.ResourceTimingBreakdownView = class ResourceTimingBreakdownView extends WI.View
{
constructor(resource, fixedWidth)
{
super(null);
console.assert(resource.timingData.startTime && resource.timingData.responseEnd, "Timing breakdown view requires a resource with timing data.");
console.assert(!fixedWidth || fixedWidth >= 100, "fixedWidth must be at least wide enough for strings.");
this._resource = resource;
this.element.classList.add("resource-timing-breakdown");
if (fixedWidth)
this.element.style.width = fixedWidth + "px";
}
// Protected
_appendEmptyRow()
{
let row = this._tableElement.appendChild(document.createElement("tr"));
row.className = "empty";
return row;
}
_appendHeaderRow(label, time, additionalClassName)
{
let row = this._tableElement.appendChild(document.createElement("tr"));
row.className = "header";
if (additionalClassName)
row.classList.add(additionalClassName);
let labelCell = row.appendChild(document.createElement("td"));
labelCell.className = "label";
labelCell.textContent = label;
labelCell.colSpan = 2;
let timeCell = row.appendChild(document.createElement("td"));
timeCell.className = "time";
if (time)
timeCell.textContent = time;
else if (time === undefined)
timeCell.appendChild(document.createElement("hr"));
return row;
}
_appendRow(label, type, startTime, endTime)
{
let row = this._tableElement.appendChild(document.createElement("tr"));
let labelCell = row.appendChild(document.createElement("td"));
labelCell.className = "label";
labelCell.textContent = label;
let duration = endTime - startTime;
let graphWidth = (duration / this._graphDuration) * 100;
let graphOffset = ((startTime - this._graphStartTime) / this._graphDuration) * 100;
let positionProperty = WI.resolvedLayoutDirection() === WI.LayoutDirection.RTL ? "right" : "left";
let graphCell = row.appendChild(document.createElement("td"));
graphCell.className = "graph";
let block = graphCell.appendChild(document.createElement("div"));
block.classList.add("block", type);
block.style.width = graphWidth + "%";
block.style[positionProperty] = graphOffset + "%";
let timeCell = row.appendChild(document.createElement("td"));
timeCell.className = "time";
timeCell.textContent = Number.secondsToMillisecondsString(duration);
return row;
}
_appendServerTimingRow(label, duration, maxDuration)
{
let row = this._tableElement.appendChild(document.createElement("tr"));
let labelCell = row.appendChild(document.createElement("td"));
labelCell.className = "label";
labelCell.textContent = label;
// We need to allow duration to be zero.
if (duration !== undefined) {
let graphWidth = (duration / maxDuration) * 100;
let graphCell = row.appendChild(document.createElement("td"));
graphCell.className = "graph";
let block = graphCell.appendChild(document.createElement("div"));
// FIXME: Provide unique colors for the different ServerTiming rows based on the label/order.
block.classList.add("block", "response");
block.style.width = graphWidth + "%";
block.style.right = 0;
let timeCell = row.appendChild(document.createElement("td"));
timeCell.className = "time";
// Convert duration from milliseconds to seconds.
timeCell.textContent = Number.secondsToMillisecondsString(duration / 1000);
}
return row;
}
_appendDividerRow()
{
let emptyCell = this._appendEmptyRow().appendChild(document.createElement("td"));
emptyCell.colSpan = 3;
emptyCell.appendChild(document.createElement("hr"));
}
initialLayout()
{
super.initialLayout();
let {startTime, redirectStart, redirectEnd, fetchStart, domainLookupStart, domainLookupEnd, connectStart, connectEnd, secureConnectionStart, requestStart, responseStart, responseEnd} = this._resource.timingData;
let serverTiming = this._resource.serverTiming;
this._tableElement = this.element.appendChild(document.createElement("table"));
this._tableElement.className = "waterfall network";
this._graphStartTime = startTime;
this._graphEndTime = responseEnd;
this._graphDuration = this._graphEndTime - this._graphStartTime;
this._appendHeaderRow(WI.UIString("Scheduling:"));
if (redirectEnd - redirectStart) {
// FIXME: <https://webkit.org/b/190214> Web Inspector: expose full load metrics for redirect requests
this._appendRow(WI.UIString("Redirects"), "redirect", redirectStart, redirectEnd);
}
this._appendRow(WI.UIString("Queued"), "queue", fetchStart, domainLookupStart || connectStart || requestStart);
if (domainLookupStart || connectStart) {
this._appendEmptyRow();
this._appendHeaderRow(WI.UIString("Connection:"));
if (domainLookupStart)
this._appendRow(WI.UIString("DNS"), "dns", domainLookupStart, domainLookupEnd || connectStart || requestStart);
if (connectStart)
this._appendRow(WI.UIString("TCP"), "connect", connectStart, connectEnd || requestStart);
if (secureConnectionStart)
this._appendRow(WI.UIString("Secure"), "secure", secureConnectionStart, connectEnd || requestStart);
}
this._appendEmptyRow();
this._appendHeaderRow(WI.UIString("Response:"));
this._appendRow(WI.UIString("Waiting"), "request", requestStart, responseStart);
this._appendRow(WI.UIString("Download"), "response", responseStart, responseEnd);
this._appendEmptyRow();
this._appendHeaderRow(WI.UIString("Totals:"));
this._appendHeaderRow(WI.UIString("Time to First Byte"), Number.secondsToMillisecondsString(responseStart - startTime), "total-row");
this._appendHeaderRow(WI.UIString("Start to Finish"), Number.secondsToMillisecondsString(responseEnd - startTime), "total-row");
if (serverTiming.length > 0) {
this._appendDividerRow();
this._appendHeaderRow(WI.UIString("Server Timing:"));
let maxDuration = serverTiming.reduce((max, {duration = 0}) => Math.max(max, duration), 0);
for (let entry of serverTiming) {
let {name, duration, description} = entry;
// For the label, prefer description over name.
this._appendServerTimingRow(description || name, duration, maxDuration);
}
}
}
};