[yaffs-website] / node_modules / video.js / es5 / control-bar / progress-control / mouse-time-display.js

'use strict';

exports.__esModule = true;

var _component = require('../../component.js');

var _component2 = _interopRequireDefault(_component);

var _dom = require('../../utils/dom.js');

var Dom = _interopRequireWildcard(_dom);

var _fn = require('../../utils/fn.js');

var Fn = _interopRequireWildcard(_fn);

var _formatTime = require('../../utils/format-time.js');

var _formatTime2 = _interopRequireDefault(_formatTime);

var _computedStyle = require('../../utils/computed-style.js');

var _computedStyle2 = _interopRequireDefault(_computedStyle);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }

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

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * @file mouse-time-display.js
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */


/**
 * The Mouse Time Display component shows the time you will seek to
 * when hovering over the progress bar
 *
 * @extends Component
 */
var MouseTimeDisplay = function (_Component) {
  _inherits(MouseTimeDisplay, _Component);

  /**
   * Creates an instance of this class.
   *
   * @param {Player} player
   *        The `Player` that this class should be attached to.
   *
   * @param {Object} [options]
   *        The key/value store of player options.
   */
  function MouseTimeDisplay(player, options) {
    _classCallCheck(this, MouseTimeDisplay);

    var _this = _possibleConstructorReturn(this, _Component.call(this, player, options));

    if (options.playerOptions && options.playerOptions.controlBar && options.playerOptions.controlBar.progressControl && options.playerOptions.controlBar.progressControl.keepTooltipsInside) {
      _this.keepTooltipsInside = options.playerOptions.controlBar.progressControl.keepTooltipsInside;
    }

    if (_this.keepTooltipsInside) {
      _this.tooltip = Dom.createEl('div', { className: 'vjs-time-tooltip' });
      _this.el().appendChild(_this.tooltip);
      _this.addClass('vjs-keep-tooltips-inside');
    }

    _this.update(0, 0);

    player.on('ready', function () {
      _this.on(player.controlBar.progressControl.el(), 'mousemove', Fn.throttle(Fn.bind(_this, _this.handleMouseMove), 25));
    });
    return _this;
  }

  /**
   * Create the `Component`'s DOM element
   *
   * @return {Element}
   *         The element that was created.
   */


  MouseTimeDisplay.prototype.createEl = function createEl() {
    return _Component.prototype.createEl.call(this, 'div', {
      className: 'vjs-mouse-display'
    });
  };

  /**
   * Handle the mouse move event on the `MouseTimeDisplay`.
   *
   * @param {EventTarget~Event} event
   *        The `mousemove` event that caused this to event to run.
   *
   * @listen mousemove
   */


  MouseTimeDisplay.prototype.handleMouseMove = function handleMouseMove(event) {
    var duration = this.player_.duration();
    var newTime = this.calculateDistance(event) * duration;
    var position = event.pageX - Dom.findElPosition(this.el().parentNode).left;

    this.update(newTime, position);
  };

  /**
   * Update the time and posistion of the `MouseTimeDisplay`.
   *
   * @param {number} newTime
   *        Time to change the `MouseTimeDisplay` to.
   *
   * @param {nubmer} position
   *        Postion from the left of the in pixels.
   */


  MouseTimeDisplay.prototype.update = function update(newTime, position) {
    var time = (0, _formatTime2['default'])(newTime, this.player_.duration());

    this.el().style.left = position + 'px';
    this.el().setAttribute('data-current-time', time);

    if (this.keepTooltipsInside) {
      var clampedPosition = this.clampPosition_(position);
      var difference = position - clampedPosition + 1;
      var tooltipWidth = parseFloat((0, _computedStyle2['default'])(this.tooltip, 'width'));
      var tooltipWidthHalf = tooltipWidth / 2;

      this.tooltip.innerHTML = time;
      this.tooltip.style.right = '-' + (tooltipWidthHalf - difference) + 'px';
    }
  };

  /**
   * Get the mouse pointers x coordinate in pixels.
   *
   * @param {EventTarget~Event} [event]
   *        The `mousemove` event that was passed to this function by
   *        {@link MouseTimeDisplay#handleMouseMove}
   *
   * @return {number}
   *         THe x position in pixels of the mouse pointer.
   */


  MouseTimeDisplay.prototype.calculateDistance = function calculateDistance(event) {
    return Dom.getPointerPosition(this.el().parentNode, event).x;
  };

  /**
   * This takes in a horizontal position for the bar and returns a clamped position.
   * Clamped position means that it will keep the position greater than half the width
   * of the tooltip and smaller than the player width minus half the width o the tooltip.
   * It will only clamp the position if `keepTooltipsInside` option is set.
   *
   * @param {number} position
   *        The position the bar wants to be
   *
   * @return {number}
   *         The (potentially) new clamped position.
   *
   * @private
   */


  MouseTimeDisplay.prototype.clampPosition_ = function clampPosition_(position) {
    if (!this.keepTooltipsInside) {
      return position;
    }

    var playerWidth = parseFloat((0, _computedStyle2['default'])(this.player().el(), 'width'));
    var tooltipWidth = parseFloat((0, _computedStyle2['default'])(this.tooltip, 'width'));
    var tooltipWidthHalf = tooltipWidth / 2;
    var actualPosition = position;

    if (position < tooltipWidthHalf) {
      actualPosition = Math.ceil(tooltipWidthHalf);
    } else if (position > playerWidth - tooltipWidthHalf) {
      actualPosition = Math.floor(playerWidth - tooltipWidthHalf);
    }

    return actualPosition;
  };

  return MouseTimeDisplay;
}(_component2['default']);

_component2['default'].registerComponent('MouseTimeDisplay', MouseTimeDisplay);
exports['default'] = MouseTimeDisplay;