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/*
* Copyright (C) 2015 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.RenderingFrameTimelineRecord = class RenderingFrameTimelineRecord extends WebInspector.TimelineRecord
{
constructor(startTime, endTime)
{
super(WebInspector.TimelineRecord.Type.RenderingFrame, startTime, endTime);
this._durationByTaskType = new Map;
this._frameIndex = -1;
}
// Static
static resetFrameIndex()
{
WebInspector.RenderingFrameTimelineRecord._nextFrameIndex = 0;
}
static displayNameForTaskType(taskType)
{
switch (taskType) {
case WebInspector.RenderingFrameTimelineRecord.TaskType.Script:
return WebInspector.UIString("Script");
case WebInspector.RenderingFrameTimelineRecord.TaskType.Layout:
return WebInspector.UIString("Layout");
case WebInspector.RenderingFrameTimelineRecord.TaskType.Paint:
return WebInspector.UIString("Paint");
case WebInspector.RenderingFrameTimelineRecord.TaskType.Other:
return WebInspector.UIString("Other");
}
}
static taskTypeForTimelineRecord(record)
{
switch (record.type) {
case WebInspector.TimelineRecord.Type.Script:
return WebInspector.RenderingFrameTimelineRecord.TaskType.Script;
case WebInspector.TimelineRecord.Type.Layout:
if (record.eventType === WebInspector.LayoutTimelineRecord.EventType.Paint || record.eventType === WebInspector.LayoutTimelineRecord.EventType.Composite)
return WebInspector.RenderingFrameTimelineRecord.TaskType.Paint;
return WebInspector.RenderingFrameTimelineRecord.TaskType.Layout;
default:
console.error("Unsupported timeline record type: " + record.type);
return null;
}
}
// Public
get frameIndex()
{
return this._frameIndex;
}
get frameNumber()
{
return this._frameIndex + 1;
}
setupFrameIndex()
{
console.assert(this._frameIndex === -1, "Frame index should only be set once.");
if (this._frameIndex >= 0)
return;
this._frameIndex = WebInspector.RenderingFrameTimelineRecord._nextFrameIndex++;
}
durationForTask(taskType)
{
if (this._durationByTaskType.has(taskType))
return this._durationByTaskType.get(taskType);
var duration;
if (taskType === WebInspector.RenderingFrameTimelineRecord.TaskType.Other)
duration = this._calculateDurationRemainder();
else {
duration = this.children.reduce(function(previousValue, currentValue) {
if (taskType !== WebInspector.RenderingFrameTimelineRecord.taskTypeForTimelineRecord(currentValue))
return previousValue;
var currentDuration = currentValue.duration;
if (currentValue.usesActiveStartTime)
currentDuration -= currentValue.inactiveDuration;
return previousValue + currentDuration;
}, 0);
if (taskType === WebInspector.RenderingFrameTimelineRecord.TaskType.Script) {
// Layout events synchronously triggered from JavaScript must be subtracted from the total
// script time, to prevent the time from being counted twice.
duration -= this.children.reduce(function(previousValue, currentValue) {
if (currentValue.type === WebInspector.TimelineRecord.Type.Layout && (currentValue.sourceCodeLocation || currentValue.callFrames))
return previousValue + currentValue.duration;
return previousValue;
}, 0);
}
}
this._durationByTaskType.set(taskType, duration);
return duration;
}
// Private
_calculateDurationRemainder()
{
return Object.keys(WebInspector.RenderingFrameTimelineRecord.TaskType).reduce((previousValue, key) => {
let taskType = WebInspector.RenderingFrameTimelineRecord.TaskType[key];
if (taskType === WebInspector.RenderingFrameTimelineRecord.TaskType.Other)
return previousValue;
return previousValue - this.durationForTask(taskType);
}, this.duration);
}
};
WebInspector.RenderingFrameTimelineRecord.TaskType = {
Script: "rendering-frame-timeline-record-script",
Layout: "rendering-frame-timeline-record-layout",
Paint: "rendering-frame-timeline-record-paint",
Other: "rendering-frame-timeline-record-other"
};
WebInspector.RenderingFrameTimelineRecord.TypeIdentifier = "rendering-frame-timeline-record";
WebInspector.RenderingFrameTimelineRecord._nextFrameIndex = 0;
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