content: /* @flow */
  
  import React, { Component } from 'react';
  
  /**
   * The type of the React {@code Component} props of
   * {@link DesktopSourcePreview}.
   */
  type Props = {
  
      /**
       * The callback to invoke when the component is clicked. The id of the
       * clicked on DesktopCapturerSource will be passed in.
       */
      onClick: Function,
  
      /**
       * The callback to invoke when the component is double clicked. The id of
       * the DesktopCapturerSource will be passed in.
       */
      onDoubleClick: Function,
  
      /**
       * The indicator which determines whether this DesktopSourcePreview is
       * selected. If true, the 'is-selected' CSS class will be added to the root
       * of Component.
       */
      selected: boolean,
  
      /**
       * The DesktopCapturerSource to display.
       */
      source: Object,
  
      /**
       * The source type of the DesktopCapturerSources to display.
       */
      type: string
  };
  
  /**
   * React component for displaying a preview of a DesktopCapturerSource.
   *
   * @extends Component
   */
  class DesktopSourcePreview extends Component<Props> {
      /**
       * Initializes a new DesktopSourcePreview instance.
       *
       * @param {Object} props - The read-only properties with which the new
       * instance is to be initialized.
       */
      constructor(props: Props) {
          super(props);
  
          this._onClick = this._onClick.bind(this);
          this._onDoubleClick = this._onDoubleClick.bind(this);
      }
  
      /**
       * Implements React's {@link Component#render()}.
       *
       * @inheritdoc
       * @returns {ReactElement}
       */
      render() {
          const selectedClass = this.props.selected ? 'is-selected' : '';
          const displayClasses = `desktop-picker-source ${selectedClass}`;
  
          return (
              <div
                  className = { displayClasses }
                  onClick = { this._onClick }
                  onDoubleClick = { this._onDoubleClick }>
                  <div className = 'desktop-source-preview-image-container'>
                      <img
                          className = 'desktop-source-preview-thumbnail'
                          src = { this.props.source.thumbnail.toDataURL() } />
                  </div>
                  <div className = 'desktop-source-preview-label'>
                      { this.props.source.name }
                  </div>
              </div>
          );
      }
  
      _onClick: () => void;
  
      /**
       * Invokes the passed in onClick callback.
       *
       * @returns {void}
       */
      _onClick() {
          const { source, type } = this.props;
  
          this.props.onClick(source.id, type);
      }
  
      _onDoubleClick: () => void;
  
      /**
       * Invokes the passed in onDoubleClick callback.
       *
       * @returns {void}
       */
      _onDoubleClick() {
          const { source, type } = this.props;
  
          this.props.onDoubleClick(source.id, type);
      }
  }
  
  export default DesktopSourcePreview;
  