| /* |
| * Copyright (C) 2013 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.TimelineManager = function() |
| { |
| WebInspector.Object.call(this); |
| |
| WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ProvisionalLoadStarted, this._startAutoRecording, this); |
| WebInspector.Frame.addEventListener(WebInspector.Frame.Event.MainResourceDidChange, this._mainResourceDidChange, this); |
| WebInspector.Frame.addEventListener(WebInspector.Frame.Event.ResourceWasAdded, this._resourceWasAdded, this); |
| |
| this._recording = false; |
| this._records = []; |
| this._typeRecords = {}; |
| this._loadEventTime = NaN; |
| this._eventMarkers = []; |
| }; |
| |
| WebInspector.TimelineManager.Event = { |
| RecordsCleared: "timeline-manager-records-cleared", |
| RecordingStarted: "timeline-manager-recording-started", |
| RecordingStopped: "timeline-manager-recording-stopped", |
| RecordAdded: "timeline-manager-record-added", |
| RecordedEventMarker: "timeline-manager-recorded-event-marker", |
| }; |
| |
| WebInspector.TimelineManager.MaximumAutoRecordDuration = 90000; // 90 seconds |
| WebInspector.TimelineManager.MaximumAutoRecordDurationAfterLoadEvent = 10000; // 10 seconds |
| WebInspector.TimelineManager.DeadTimeRequiredToStopAutoRecordingEarly = 2000; // 2 seconds |
| |
| WebInspector.TimelineManager.prototype = { |
| constructor: WebInspector.TimelineManager, |
| |
| // Public |
| |
| get recording() |
| { |
| return this._recording; |
| }, |
| |
| get mainFrameLoadEventTime() |
| { |
| return this._loadEventTime; |
| }, |
| |
| get timelineEventMarkers() |
| { |
| return this._eventMarkers; |
| }, |
| |
| get records() |
| { |
| return this._records; |
| }, |
| |
| recordsWithType: function(type) |
| { |
| return this._typeRecords[type] || []; |
| }, |
| |
| startRecording: function() |
| { |
| if (this._recording) |
| return; |
| |
| this._clear(); |
| |
| this._recording = true; |
| |
| TimelineAgent.start(); |
| |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordingStarted); |
| }, |
| |
| stopRecording: function() |
| { |
| if (!this._recording) |
| return; |
| |
| if (this._stopRecordingTimeout) { |
| clearTimeout(this._stopRecordingTimeout); |
| delete this._stopRecordingTimeout; |
| } |
| |
| if (this._deadTimeTimeout) { |
| clearTimeout(this._deadTimeTimeout); |
| delete this._deadTimeTimeout; |
| } |
| |
| TimelineAgent.stop(); |
| |
| this._recording = false; |
| this._autoRecordingMainResource = null; |
| |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordingStopped); |
| }, |
| |
| eventRecorded: function(originalRecord) |
| { |
| // Called from WebInspector.TimelineObserver. |
| |
| if (!this._recording) |
| return; |
| |
| function processRecord(record, parentRecord) |
| { |
| // Convert the timestamps to seconds to match the resource timestamps. |
| var startTime = record.startTime / 1000; |
| var endTime = record.endTime / 1000; |
| |
| var callFrames = this._callFramesFromPayload(record.stackTrace); |
| |
| switch (record.type) { |
| case "MarkLoad": |
| var mainFrame = WebInspector.frameResourceManager.mainFrame; |
| console.assert(mainFrame); |
| |
| if (!mainFrame || record.frameId !== mainFrame.id) |
| break; |
| |
| this._loadEventTime = startTime; |
| |
| var eventMarker = new WebInspector.TimelineEventMarker(startTime, WebInspector.TimelineEventMarker.Type.LoadEvent); |
| this._eventMarkers.push(eventMarker); |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordedEventMarker, {eventMarker: eventMarker}); |
| this._stopAutoRecordingSoon(); |
| break; |
| case "MarkDOMContent": |
| var mainFrame = WebInspector.frameResourceManager.mainFrame; |
| console.assert(mainFrame); |
| |
| if (!mainFrame || record.frameId !== mainFrame.id) |
| break; |
| |
| var eventMarker = new WebInspector.TimelineEventMarker(startTime, WebInspector.TimelineEventMarker.Type.DOMContentEvent); |
| this._eventMarkers.push(eventMarker); |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordedEventMarker, {eventMarker: eventMarker}); |
| break; |
| case "ScheduleStyleRecalculation": |
| console.assert(isNaN(endTime)); |
| // Pass the startTime as the endTime since this record type has no duration. |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.InvalidateStyles, startTime, startTime, callFrames)); |
| break; |
| case "RecalculateStyles": |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.RecalculateStyles, startTime, endTime, callFrames)); |
| break; |
| case "InvalidateLayout": |
| console.assert(isNaN(endTime)); |
| // Pass the startTime as the endTime since this record type has no duration. |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.InvalidateLayout, startTime, startTime, callFrames)); |
| break; |
| case "Layout": |
| // COMPATIBILITY (iOS 6): Layout records did not contain area properties. This is not exposed via a quad "root". |
| var quad = record.data.root ? new WebInspector.Quad(record.data.root) : null; |
| if (quad) |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.Layout, startTime, endTime, callFrames, quad.points[0].x, quad.points[0].y, quad.width, quad.height, quad)); |
| else |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.Layout, startTime, endTime, callFrames)); |
| break; |
| case "Paint": |
| // COMPATIBILITY (iOS 6): Paint records data contained x, y, width, height properties. This became a quad "clip". |
| var quad = record.data.clip ? new WebInspector.Quad(record.data.clip) : null; |
| if (quad) |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.Paint, startTime, endTime, callFrames, null, null, quad.width, quad.height, quad)); |
| else |
| this._addRecord(new WebInspector.LayoutTimelineRecord(WebInspector.LayoutTimelineRecord.EventType.Paint, startTime, endTime, callFrames, record.data.x, record.data.y, record.data.width, record.data.height)); |
| break; |
| case "EvaluateScript": |
| var resource = WebInspector.frameResourceManager.resourceForURL(record.data.url); |
| |
| // The lineNumber is 1-based, but we expect 0-based. |
| var lineNumber = record.data.lineNumber - 1; |
| |
| switch (parent ? parent.type : null) { |
| case "TimerFire": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.TimerFired, startTime, endTime, parent.data.timerId, resource, lineNumber, callFrames)); |
| break; |
| default: |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.ScriptEvaluated, startTime, endTime, null, resource, lineNumber, callFrames)); |
| break; |
| } |
| |
| break; |
| case "TimeStamp": |
| var eventMarker = new WebInspector.TimelineEventMarker(startTime, WebInspector.TimelineEventMarker.Type.TimeStamp); |
| this._eventMarkers.push(eventMarker); |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordedEventMarker, {eventMarker: eventMarker}); |
| break; |
| case "FunctionCall": |
| // FunctionCall always happens as a child of another record, and since the FunctionCall record |
| // has useful info we just make the timeline record here (combining the data from both records). |
| if (!parent) |
| break; |
| |
| var resource = WebInspector.frameResourceManager.resourceForURL(record.data.scriptName); |
| |
| // The scriptLine is 1-based, but we expect 0-based. |
| var lineNumber = record.data.scriptLine - 1; |
| |
| switch (parent.type) { |
| case "TimerFire": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.TimerFired, startTime, endTime, parent.data.timerId, resource, lineNumber, callFrames)); |
| break; |
| case "EventDispatch": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.EventDispatched, startTime, endTime, parent.data.type, resource, lineNumber, callFrames)); |
| break; |
| case "XHRLoad": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.EventDispatched, startTime, endTime, "load", resource, lineNumber, callFrames)); |
| break; |
| case "XHRReadyStateChange": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.EventDispatched, startTime, endTime, "readystatechange", resource, lineNumber, callFrames)); |
| break; |
| case "FireAnimationFrame": |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.AnimationFrameFired, startTime, endTime, parent.data.id, resource, lineNumber, callFrames)); |
| break; |
| } |
| |
| break; |
| case "TimerInstall": |
| case "TimerRemove": |
| // COMPATIBILITY (iOS 6): TimerInstall and TimerRemove did not have a stack trace. |
| var callFrame = null; |
| if (callFrames) { |
| for (var i = 0; i < callFrames.length; ++i) { |
| if (callFrames[i].nativeCode) |
| continue; |
| callFrame = callFrames[i]; |
| break; |
| } |
| } |
| |
| var sourceCodeLocation = callFrame && callFrame.sourceCodeLocation; |
| var resource = sourceCodeLocation ? sourceCodeLocation.sourceCode : null; |
| var lineNumber = sourceCodeLocation ? sourceCodeLocation.lineNumber : null; |
| |
| if (record.type === "TimerInstall") |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.TimerInstalled, startTime, endTime, record.data.timerId, resource, lineNumber, callFrames)); |
| else |
| this._addRecord(new WebInspector.ScriptTimelineRecord(WebInspector.ScriptTimelineRecord.EventType.TimerRemoved, startTime, endTime, record.data.timerId, resource, lineNumber, callFrames)); |
| |
| break; |
| } |
| |
| return null; |
| } |
| |
| // Iterate over the records tree using a stack. Doing this recursively has |
| // been known to cause a call stack overflow. https://webkit.org/b/79106 |
| var stack = [{array: [originalRecord], parent: null, index: 0}]; |
| while (stack.length) { |
| var entry = stack.lastValue; |
| var records = entry.array; |
| var parent = entry.parent; |
| |
| if (entry.index < records.length) { |
| var record = records[entry.index]; |
| |
| processRecord.call(this, record, parent); |
| |
| if (record.children) |
| stack.push({array: record.children, parent: record, index: 0}); |
| ++entry.index; |
| } else |
| stack.pop(); |
| } |
| }, |
| |
| pageDidLoad: function(timestamp) |
| { |
| if (isNaN(this._loadEventTime)) |
| this._loadEventTime = timestamp; |
| }, |
| |
| // Private |
| |
| _clear: function() |
| { |
| this._records = []; |
| this._typeRecords = {}; |
| this._loadEventTime = NaN; |
| this._eventMarkers = []; |
| |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordsCleared); |
| }, |
| |
| _callFramesFromPayload: function(payload) |
| { |
| if (!payload) |
| return null; |
| |
| function createCallFrame(payload) |
| { |
| var url = payload.url; |
| var nativeCode = false; |
| |
| if (url === "[native code]") { |
| nativeCode = true; |
| url = null; |
| } |
| |
| var sourceCode = WebInspector.frameResourceManager.resourceForURL(url); |
| if (!sourceCode) |
| sourceCode = WebInspector.debuggerManager.scriptsForURL(url)[0]; |
| |
| // The lineNumber is 1-based, but we expect 0-based. |
| var lineNumber = payload.lineNumber - 1; |
| |
| var sourceCodeLocation = sourceCode ? sourceCode.createSourceCodeLocation(lineNumber, payload.columnNumber) : null; |
| var functionName = payload.functionName !== "global code" ? payload.functionName : null; |
| |
| return new WebInspector.CallFrame(null, sourceCodeLocation, functionName, null, null, nativeCode); |
| } |
| |
| return payload.map(createCallFrame); |
| }, |
| |
| _addRecord: function(record) |
| { |
| this._records.push(record); |
| |
| if (!this._typeRecords[record.type]) |
| this._typeRecords[record.type] = []; |
| this._typeRecords[record.type].push(record); |
| |
| this.dispatchEventToListeners(WebInspector.TimelineManager.Event.RecordAdded, {record: record}); |
| |
| // Only worry about dead time after the load event. |
| if (!isNaN(this._loadEventTime)) |
| this._resetAutoRecordingDeadTimeTimeout(); |
| }, |
| |
| _startAutoRecording: function(event) |
| { |
| if (!event.target.isMainFrame() || (this._recording && !this._autoRecordingMainResource)) |
| return false; |
| |
| var mainResource = event.target.provisionalMainResource || event.target.mainResource; |
| if (mainResource === this._autoRecordingMainResource) |
| return false; |
| |
| this.stopRecording(); |
| |
| this._autoRecordingMainResource = mainResource; |
| |
| this.startRecording(); |
| |
| this._addRecord(new WebInspector.ResourceTimelineRecord(mainResource)); |
| |
| if (this._stopRecordingTimeout) |
| clearTimeout(this._stopRecordingTimeout); |
| this._stopRecordingTimeout = setTimeout(this.stopRecording.bind(this), WebInspector.TimelineManager.MaximumAutoRecordDuration); |
| |
| return true; |
| }, |
| |
| _stopAutoRecordingSoon: function() |
| { |
| // Only auto stop when auto recording. |
| if (!this._recording || !this._autoRecordingMainResource) |
| return; |
| |
| if (this._stopRecordingTimeout) |
| clearTimeout(this._stopRecordingTimeout); |
| this._stopRecordingTimeout = setTimeout(this.stopRecording.bind(this), WebInspector.TimelineManager.MaximumAutoRecordDurationAfterLoadEvent); |
| }, |
| |
| _resetAutoRecordingDeadTimeTimeout: function() |
| { |
| // Only monitor dead time when auto recording. |
| if (!this._recording || !this._autoRecordingMainResource) |
| return; |
| |
| if (this._deadTimeTimeout) |
| clearTimeout(this._deadTimeTimeout); |
| this._deadTimeTimeout = setTimeout(this.stopRecording.bind(this), WebInspector.TimelineManager.DeadTimeRequiredToStopAutoRecordingEarly); |
| }, |
| |
| _mainResourceDidChange: function(event) |
| { |
| // Ignore resource events when there isn't a main frame yet. Those events are triggered by |
| // loading the cached resources when the inspector opens, and they do not have timing information. |
| if (!WebInspector.frameResourceManager.mainFrame) |
| return; |
| |
| if (this._startAutoRecording(event)) |
| return; |
| |
| if (!this._recording) |
| return; |
| |
| var mainResource = event.target.mainResource; |
| if (mainResource === this._autoRecordingMainResource) |
| return; |
| |
| this._addRecord(new WebInspector.ResourceTimelineRecord(mainResource)); |
| }, |
| |
| _resourceWasAdded: function(event) |
| { |
| // Ignore resource events when there isn't a main frame yet. Those events are triggered by |
| // loading the cached resources when the inspector opens, and they do not have timing information. |
| if (!WebInspector.frameResourceManager.mainFrame) |
| return; |
| |
| if (!this._recording) |
| return; |
| |
| this._addRecord(new WebInspector.ResourceTimelineRecord(event.data.resource)); |
| } |
| }; |
| |
| WebInspector.TimelineManager.prototype.__proto__ = WebInspector.Object.prototype; |
