src/third_party/v8/tools/system-analyzer/timeline/timeline-track-template.html

<!-- Copyright 2020 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. -->

<head>
  <link href="./index.css" rel="stylesheet">
</head>
<style>
  #timeline {
    position: relative;
    height: calc(200px + 12px);
    overflow-y: hidden;
    overflow-x: scroll;
    user-select: none;
  }

  #timelineLabel {
    transform: rotate(90deg);
    transform-origin: left bottom 0;
    position: absolute;
    left: 0;
    width: 200px;
    text-align: center;
    font-size: 10px;
    opacity: 0.5;
  }

  #timelineChunks {
    height: 200px;
    position: absolute;
    margin-right: 100px;
  }

  #timelineCanvas {
    height: 200px;
    position: relative;
    overflow: visible;
    pointer-events: none;
  }

  .chunk {
    width: 6px;
    position: absolute;
    background-size: 100% 100%;
    image-rendering: pixelated;
    bottom: 0px;
    background-color: var(--on-surface-color);
    cursor: pointer;
  }
  .chunk:hover {
    border-radius: 2px 2px 0 0;
    margin: 0 0 -2px -2px;
    border: 2px var(--primary-color) solid;
  }

  .timestamp {
    height: 200px;
    width: 100px;
    border-left: 1px var(--on-surface-color) dashed;
    padding-left: 4px;
    position: absolute;
    pointer-events: none;
    font-size: 10px;
  }

  #legend {
    position: relative;
    float: right;
    width: 100%;
    max-width: 280px;
    padding-left: 20px;
    padding-top: 10px;
    border-collapse: collapse;
  }

  th,
  td {
    width: 200px;
    text-align: left;
    padding-bottom: 3px;
  }

  /* right align numbers */
  #legend td:nth-of-type(4n+3),
  #legend td:nth-of-type(4n+4) {
    text-align: right;
  }

  .legendTypeColumn {
    width: 100%;
  }

  .timeline {
    background-color: var(--timeline-background-color);
  }

  #timeline .rightHandle,
  #timeline .leftHandle {
    background-color: rgba(200, 200, 200, 0.5);
    height: 100%;
    width: 5px;
    position: absolute;
    z-index: 3;
    cursor: col-resize;
  }
  #timeline .leftHandle {
    border-left: 1px solid var(--on-surface-color);
  }
  #timeline .rightHandle {
    border-right: 1px solid var(--on-surface-color);
  }

  #timeline .selection {
    background-color: rgba(133, 68, 163, 0.5);
    height: 100%;
    position: absolute;
  }
</style>
<table id="legend" class="typeStatsTable">
  <thead>
    <tr>
      <td></td>
      <td>Type</td>
      <td>Count</td>
      <td>Percent</td>
    </tr>
  </thead>
  <tbody id="legendContent">
  </tbody>
</table>
<div id="timeline">
  <div class="leftHandle"></div>
  <div class="selection"></div>
  <div class="rightHandle"></div>
  <div id="timelineLabel">Frequency</div>
  <div id="timelineChunks"></div>
  <canvas id="timelineCanvas"></canvas>
</div>