@lahzenegar/video-react/lib/components/control-bar/PreviewThumbnail.js

Video-React is a web video player built from the ground up for an HTML5 world using React library.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var PreviewThumbnail = function (_React$Component) {
  (0, _inherits3.default)(PreviewThumbnail, _React$Component);

  function PreviewThumbnail() {
    (0, _classCallCheck3.default)(this, PreviewThumbnail);
    return (0, _possibleConstructorReturn3.default)(this, (PreviewThumbnail.__proto__ || (0, _getPrototypeOf2.default)(PreviewThumbnail)).apply(this, arguments));
  }

  (0, _createClass3.default)(PreviewThumbnail, [{
    key: 'getTrimOffset',
    value: function getTrimOffset(streamURL) {
      var parsedStreamURL = new URL(streamURL);
      var paths = parsedStreamURL.pathname.split('/');
      var streamID = paths[paths.length - 2];
      return streamID ? parseInt(streamID.split('-')[1]) || 0 : 0;
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props,
          mouseTime = _props.mouseTime,
          className = _props.className,
          storyboard = _props.storyboard,
          isLive = _props.isLive,
          player = _props.player;

      var trimOffset = player && player.hls && player.hls.url ? this.getTrimOffset(player.hls.url) : 0;

      if (!mouseTime.time) return null;

      if (isLive) return null;

      if (typeof storyboard === 'undefined') return null;

      var tileHeight = storyboard.tileHeight,
          tileWidth = storyboard.tileWidth,
          filePathFormat = storyboard.filePathFormat,
          columnsPerRow = storyboard.columnsPerRow,
          rowsPerFile = storyboard.rowsPerFile,
          tileInterval = storyboard.tileInterval;

      var storyboardDuration = rowsPerFile * columnsPerRow * tileInterval;
      var storyboardIndex = Math.ceil((mouseTime.time + trimOffset) / storyboardDuration);
      var tileIndex = Math.floor((mouseTime.time + trimOffset - (storyboardIndex - 1) * storyboardDuration) / tileInterval);
      var columnTop = Math.floor(tileIndex / columnsPerRow) * -tileHeight;
      var columnLeft = Math.floor(tileIndex % columnsPerRow) * -tileWidth;

      return !!storyboard && _react2.default.createElement('div', {
        className: (0, _classnames2.default)('video-react-thumbnail-preview', className),
        style: {
          left: mouseTime.position + 'px',
          height: tileHeight + 'px',
          width: tileWidth + 'px',
          transform: 'translate(' + -tileWidth / 2 + 'px, ' + -tileHeight + 'px)',
          backgroundImage: 'url(' + filePathFormat.replace('%d', storyboardIndex) + ')',
          backgroundRepeat: 'no-repeat',
          backgroundPosition: columnLeft + 'px ' + columnTop + 'px'
        }
      });
    }
  }]);
  return PreviewThumbnail;
}(_react2.default.Component);

exports.default = PreviewThumbnail;