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B2G OS
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  2. Archive of obsolete content
  3. B2G OS
  4. Firefox OS apps
  5. Firefox OS Building Blocks
  6. Slider
  7. Seekbar 2.0 implementation

Seekbar 2.0 implementation

In This Article
    1. Live sample
    2. Code
      1. CSS
      2. HTML

This article gives you all you need to implement a v2.0 Gaia seekbar in your own app.

Live sample

The following gives you an idea of what rendered seekbars would look like.

Code

Here is the code you'll need.

CSS

<link href="(your styles folder)/style/seekbars.css" rel="stylesheet" type="text/css">

The CSS can be found in the Gaia project 2.0 branch under shared/style/seekbars.css. Copy this into your own project, along with the associated resources.

HTML

Note: The CSS inside the <style> element isn't needed for the implementation: it is just for the purposes of this example.

<!doctype html>
<html>
<head>
  <link href="https://mdn.github.io/gaia-2.0-bb/seekbars.css" rel="stylesheet" type="text/css">
  <link href="https://gaia-components.github.io/gaia-icons/gaia-icons-embedded.css" rel="stylesheet" type="text/css">
  <style>
    html, body {
      margin: 0;
      padding: 0;
      font-size: 10px;
    }
    body {
      background: #fff;
    }
    h2.bb-docs {
      font-size: 1.8rem;
      font-family: sans-serif;
      font-weight: lighter;
      color: #666;
      margin: -1px 0 0;
      background-color: #f5f5f5;
      padding: 0.4rem 0.4rem 0.4rem 3rem;
      border: solid 1px #e8e8e8;
    }
    body[role="application"] section {
      background: #fff;
      padding: 2rem;
    }
    body[role="application"] section button {
      left: 80%;
    }
    body[role="application"] section label.icon {
      background-image: url(data:image/png;base64,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);
    }
    body[role="application"] section label.icon:last-of-type {
      background-position: right -3rem;
    }
  </style>
</head>
<body>
<h2 class="bb-docs">Seekbars (using progress tag)</h2>
  <section>
    <div role="slider" aria-valuemin="0" aria-valuenow="80" aria-valuemax="100" aria-valuetext="slider description">
      <div>
        <progress value="80" max="100"></progress>
        <button>handler</button>
      </div>
    </div>
  </section>
  <h2 class="bb-docs">Value seeker</h2>
  <section>
    <div role="slider" aria-valuemin="0" aria-valuenow="80" aria-valuemax="100" aria-valuetext="slider description">
      <label>0</label>
      <label>100</label>
      <div>
        <progress value="80" max="100"></progress>
        <button>handler</button>
      </div>
    </div>
  </section>
  <h2 class="bb-docs">Icon seeker</h2>
  <section>
    <div role="slider" aria-valuemin="0" aria-valuenow="80" aria-valuemax="100" aria-valuetext="slider description">
      <label class="icon">0</label>
      <label class="icon">100</label>
      <div>
        <progress value="80" max="100"></progress>
        <button>handler</button>
      </div>
    </div>
  </section>
  <h2 class="bb-docs">Seekbars (using Input type range)</h2>
  <section>
    <input type="range">
  </section>
  <h2 class="bb-docs">Value seeker</h2>
  <section role="slider">
    <label>0</label>
    <label>100</label>
    <div>
      <input type="range">
    </div>
  </section>
  <h2 class="bb-docs">Value seeker</h2>
  <section role="slider">
    <label class="icon">0</label>
    <label class="icon">100</label>
    <div>
      <input type="range">
    </div>
  </section>
</body>
</html>

Document Tags and Contributors

Tags: 
  • 2.0
  • B2G
  • building blocks
  • Firefox OS
  • Gaia
  • implementation
  • seekbar
 Contributors to this page: chrisdavidmills, chrisdavidmills-github
 Last updated by: chrisdavidmills, Feb 27, 2017, 2:57:32 AM