support.html

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<!DOCTYPE html>
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 Copyright 2016 Google LLC

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<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Shaka Player Browser Support Test</title>
    <style>

@media (pointer: none) {
  /* If there is no pointer, assume this is a TV, and that we can't scroll.
   * Reduce the font size to get all the text on screen at once.
   * Increase the margins to compensate for overscan.
   * Make the text bold to compensate for the reduced font size.
   */
  body {
    /* This is explicit because Chromecast has a different default (black). */
    background-color: white;

    margin: 4em;
    font-size: 60%;
    font-weight: bold;
  }
}

    </style>
    <script src="dist/cast-boot.js"></script>
    <script src="dist/shaka-player.compiled.js"></script>
    <script>

      function whenLoaded(fn) {
        // IE 9 fires DOMContentLoaded, and enters the "interactive"
        // readyState, before document.body has been initialized, so wait
        // for window.load
        if (document.readyState == 'loading' ||
            document.readyState == 'interactive') {
          if (window.attachEvent) {
            // IE8
            window.attachEvent('onload', fn);
          } else {
            window.addEventListener('load', fn);
          }
        } else {
          fn();
        }
      }

      function printSupport(support) {
        var userAgent = navigator.userAgent;
        var formatted = userAgent + '\n' + shaka.Player.version + '\n\n';
        formatted += support;

        var output = document.getElementById('output');

        if (output.textContent === undefined) {
          // IE8 and other very old browsers don't have textContent.
          output.innerText = formatted;
        } else {
          output.textContent = formatted;
        }
      }

      function doTest() {
        shaka.polyfill.installAll();

        if (shaka.Player.isBrowserSupported()) {
          shaka.Player.probeSupport().then(function(support) {
            printSupport(JSON.stringify(support, null, '  '));
          });
        } else {
          printSupport('This browser is not supported.');
        }
      }

      whenLoaded(doTest);
    </script>
  </head>
  <body><pre id="output"></pre></body>
</html>