blob: 1812fdddfa3073db9cae07c851e2df0580913f4c [file] [log] [blame]
<!DOCTYPE html>
<!--
Copyright (c) 2015 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<link rel="import" href="/base/statistics.html">
<link rel="import" href="/core/trace_model/event.html">
<link rel="import" href="/base/ui/color_scheme.html">
<script>
'use strict';
/**
* @fileoverview Class describing rendered frames.
*
* Because a frame is produced by multiple threads, it does not inherit from
* TimedEvent, and has no duration.
*/
tv.exportTo('tv.c.trace_model', function() {
var Statistics = tv.b.Statistics;
var FRAME_PERF_CLASS = {
GOOD: 'good',
BAD: 'bad',
TERRIBLE: 'terrible',
NEUTRAL: 'generic_work'
};
/**
* @constructor
* @param {Array} associatedEvents Array of events composing the frame.
* @param {Array} threadTimeRanges Array of {thread, start, end}
* for each thread, describing the critical path of the frame.
*/
function Frame(associatedEvents, threadTimeRanges, opt_args) {
tv.c.trace_model.Event.call(this);
this.threadTimeRanges = threadTimeRanges;
this.associatedEvents = associatedEvents;
this.args = opt_args || {};
this.title = 'Frame';
this.start = Statistics.min(
threadTimeRanges, function(x) { return x.start; });
this.end = Statistics.max(
threadTimeRanges, function(x) { return x.end; });
this.totalDuration = Statistics.sum(
threadTimeRanges, function(x) { return x.end - x.start; });
this.perfClass = FRAME_PERF_CLASS.NEUTRAL;
};
Frame.prototype = {
__proto__: tv.c.trace_model.Event.prototype,
set perfClass(perfClass) {
this.colorId = tv.b.ui.getColorIdForReservedName(perfClass);
this.perfClass_ = perfClass;
},
get perfClass() {
return this.perfClass_;
},
shiftTimestampsForward: function(amount) {
this.start += amount;
this.end += amount;
for (var i = 0; i < this.threadTimeRanges.length; i++) {
this.threadTimeRanges[i].start += amount;
this.threadTimeRanges[i].end += amount;
}
},
addBoundsToRange: function(range) {
range.addValue(this.start);
range.addValue(this.end);
}
};
tv.c.trace_model.EventRegistry.register(
Frame,
{
name: 'frame',
pluralName: 'frames',
singleViewElementName: 'tv-c-single-frame-sub-view',
multiViewElementName: 'tv-c-multi-frame-sub-view'
});
return {
Frame: Frame,
FRAME_PERF_CLASS: FRAME_PERF_CLASS
};
});
</script>