blob: 288f20153183913a855026460d0d3b3f823cdbab [file] [log] [blame]
/*
* 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.
*/
WI.TimelineRecord = class TimelineRecord extends WI.Object
{
constructor(type, startTime, endTime, callFrames, sourceCodeLocation)
{
super();
console.assert(type);
if (type in WI.TimelineRecord.Type)
type = WI.TimelineRecord.Type[type];
this._type = type;
this._startTime = startTime || NaN;
this._endTime = endTime || NaN;
this._callFrames = callFrames || null;
this._sourceCodeLocation = sourceCodeLocation || null;
this._children = [];
}
// Import / Export
static fromJSON(json)
{
switch (json.type) {
case WI.TimelineRecord.Type.Network:
return WI.ResourceTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.Layout:
return WI.LayoutTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.Script:
return WI.ScriptTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.RenderingFrame:
return WI.RenderingFrameTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.CPU:
return WI.CPUTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.Memory:
return WI.MemoryTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.HeapAllocations:
return WI.HeapAllocationsTimelineRecord.fromJSON(json);
case WI.TimelineRecord.Type.Media:
return WI.MediaTimelineRecord.fromJSON(json);
default:
console.error("Unknown TimelineRecord.Type: " + json.type, json);
return null;
}
}
toJSON()
{
throw WI.NotImplementedError.subclassMustOverride();
}
// Public
get type()
{
return this._type;
}
get startTime()
{
// Implemented by subclasses if needed.
return this._startTime;
}
get activeStartTime()
{
// Implemented by subclasses if needed.
return this._startTime;
}
get unadjustedStartTime()
{
// Overridden by subclasses if needed.
return this.startTime;
}
get endTime()
{
// Implemented by subclasses if needed.
return this._endTime;
}
get unadjustedEndTime()
{
// Overridden by subclasses if needed.
return this.endTime;
}
get duration()
{
// Use the getters instead of the properties so this works for subclasses that override the getters.
return this.endTime - this.startTime;
}
get inactiveDuration()
{
// Use the getters instead of the properties so this works for subclasses that override the getters.
return this.activeStartTime - this.startTime;
}
get activeDuration()
{
// Use the getters instead of the properties so this works for subclasses that override the getters.
return this.endTime - this.activeStartTime;
}
get updatesDynamically()
{
// Implemented by subclasses if needed.
return false;
}
get usesActiveStartTime()
{
// Implemented by subclasses if needed.
return false;
}
get callFrames()
{
return this._callFrames;
}
get initiatorCallFrame()
{
if (!this._callFrames || !this._callFrames.length)
return null;
// Return the first non-native code call frame as the initiator.
for (let frame of this._callFrames) {
if (!frame.nativeCode)
return frame;
}
return null;
}
get sourceCodeLocation()
{
return this._sourceCodeLocation;
}
get parent()
{
return this._parent;
}
set parent(x)
{
if (this._parent === x)
return;
this._parent = x;
}
get children()
{
return this._children;
}
saveIdentityToCookie(cookie)
{
cookie[WI.TimelineRecord.SourceCodeURLCookieKey] = this._sourceCodeLocation ? this._sourceCodeLocation.sourceCode.url ? this._sourceCodeLocation.sourceCode.url.hash : null : null;
cookie[WI.TimelineRecord.SourceCodeLocationLineCookieKey] = this._sourceCodeLocation ? this._sourceCodeLocation.lineNumber : null;
cookie[WI.TimelineRecord.SourceCodeLocationColumnCookieKey] = this._sourceCodeLocation ? this._sourceCodeLocation.columnNumber : null;
cookie[WI.TimelineRecord.TypeCookieKey] = this._type || null;
}
};
WI.TimelineRecord.Event = {
Updated: "timeline-record-updated"
};
WI.TimelineRecord.Type = {
Network: "timeline-record-type-network",
Layout: "timeline-record-type-layout",
Script: "timeline-record-type-script",
RenderingFrame: "timeline-record-type-rendering-frame",
CPU: "timeline-record-type-cpu",
Memory: "timeline-record-type-memory",
HeapAllocations: "timeline-record-type-heap-allocations",
Media: "timeline-record-type-media",
};
WI.TimelineRecord.TypeIdentifier = "timeline-record";
WI.TimelineRecord.SourceCodeURLCookieKey = "timeline-record-source-code-url";
WI.TimelineRecord.SourceCodeLocationLineCookieKey = "timeline-record-source-code-location-line";
WI.TimelineRecord.SourceCodeLocationColumnCookieKey = "timeline-record-source-code-location-column";
WI.TimelineRecord.TypeCookieKey = "timeline-record-type";