| /* |
| * 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); |
| } |
| } |
| } |
| }; |