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// Copyright 2021 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {CSSColor, DOM, SVG, V8CustomElement} from '../helper.mjs';
import {TimelineTrackBase} from './timeline-track-base.mjs'
import {TimelineTrackStackedBase} from './timeline-track-stacked-base.mjs'
DOM.defineCustomElement(
'view/timeline/timeline-track', 'timeline-track-timer',
(templateText) =>
class TimelineTrackTimer extends TimelineTrackStackedBase {
constructor() {
super(templateText);
}
_prepareDrawableItems() {
const stack = [];
let maxDepth = 0;
for (let i = 0; i < this._timeline.length; i++) {
const timer = this._timeline.at(i);
let insertDepth = -1;
for (let depth = 0; depth < stack.length; depth++) {
const pendingTimer = stack[depth];
if (pendingTimer === undefined) {
if (insertDepth === -1) insertDepth = depth;
} else if (pendingTimer.endTime <= timer.startTime) {
stack[depth] == undefined;
if (insertDepth === -1) insertDepth = depth;
}
}
if (insertDepth === -1) insertDepth = stack.length;
stack[insertDepth] = timer;
timer.depth = insertDepth;
maxDepth = Math.max(maxDepth, insertDepth);
}
this._drawableItems = this._timeline;
this._adjustStackDepth(maxDepth++);
}
});
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