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Viewing file:     Shortcut.js (11.72 KB)      -rw-r--r--

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));

var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));

var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));

var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));

var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));

var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));

var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));

var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));

var _react = require("react");

var _propTypes = _interopRequireDefault(require("prop-types"));

var _dom = require("../utils/dom");

var propTypes = {
  clickable: _propTypes["default"].bool,
  dblclickable: _propTypes["default"].bool,
  manager: _propTypes["default"].object,
  actions: _propTypes["default"].object,
  player: _propTypes["default"].object,
  shortcuts: _propTypes["default"].array
};
var defaultProps = {
  clickable: true,
  dblclickable: true
};

var Shortcut =
/*#__PURE__*/
function (_Component) {
  (0, _inherits2["default"])(Shortcut, _Component);

  function Shortcut(props, context) {
    var _this;

    (0, _classCallCheck2["default"])(this, Shortcut);
    _this = (0, _possibleConstructorReturn2["default"])(this, (0, _getPrototypeOf2["default"])(Shortcut).call(this, props, context));
    _this.defaultShortcuts = [{
      keyCode: 32,
      // spacebar
      handle: _this.togglePlay
    }, {
      keyCode: 75,
      // k
      handle: _this.togglePlay
    }, {
      keyCode: 70,
      // f
      handle: _this.toggleFullscreen
    }, {
      keyCode: 37,
      // Left arrow
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        }

        actions.replay(5, {
          action: 'replay-5',
          source: 'shortcut'
        }); // Go back 5 seconds
      }
    }, {
      keyCode: 74,
      // j
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        }

        actions.replay(10, {
          action: 'replay-10',
          source: 'shortcut'
        }); // Go back 10 seconds
      }
    }, {
      keyCode: 39,
      // Right arrow
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        }

        actions.forward(5, {
          action: 'forward-5',
          source: 'shortcut'
        }); // Go forward 5 seconds
      }
    }, {
      keyCode: 76,
      // l
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        }

        actions.forward(10, {
          action: 'forward-10',
          source: 'shortcut'
        }); // Go forward 10 seconds
      }
    }, {
      keyCode: 36,
      // Home
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        }

        actions.seek(0); // Go to beginning of video
      }
    }, {
      keyCode: 35,
      // End
      handle: function handle(player, actions) {
        if (!player.hasStarted) {
          return;
        } // Go to end of video


        actions.seek(player.duration);
      }
    }, {
      keyCode: 38,
      // Up arrow
      handle: function handle(player, actions) {
        // Increase volume 5%
        var v = player.volume + 0.05;

        if (v > 1) {
          v = 1;
        }

        actions.changeVolume(v, {
          action: 'volume-up',
          source: 'shortcut'
        });
      }
    }, {
      keyCode: 40,
      // Down arrow
      handle: function handle(player, actions) {
        // Decrease volume 5%
        var v = player.volume - 0.05;

        if (v < 0) {
          v = 0;
        }

        var action = v > 0 ? 'volume-down' : 'volume-off';
        actions.changeVolume(v, {
          action: action,
          source: 'shortcut'
        });
      }
    }, {
      keyCode: 190,
      // Shift + >
      shift: true,
      handle: function handle(player, actions) {
        // Increase speed
        var playbackRate = player.playbackRate;

        if (playbackRate >= 1.5) {
          playbackRate = 2;
        } else if (playbackRate >= 1.25) {
          playbackRate = 1.5;
        } else if (playbackRate >= 1.0) {
          playbackRate = 1.25;
        } else if (playbackRate >= 0.5) {
          playbackRate = 1.0;
        } else if (playbackRate >= 0.25) {
          playbackRate = 0.5;
        } else if (playbackRate >= 0) {
          playbackRate = 0.25;
        }

        actions.changeRate(playbackRate, {
          action: 'fast-forward',
          source: 'shortcut'
        });
      }
    }, {
      keyCode: 188,
      // Shift + <
      shift: true,
      handle: function handle(player, actions) {
        // Decrease speed
        var playbackRate = player.playbackRate;

        if (playbackRate <= 0.5) {
          playbackRate = 0.25;
        } else if (playbackRate <= 1.0) {
          playbackRate = 0.5;
        } else if (playbackRate <= 1.25) {
          playbackRate = 1.0;
        } else if (playbackRate <= 1.5) {
          playbackRate = 1.25;
        } else if (playbackRate <= 2) {
          playbackRate = 1.5;
        }

        actions.changeRate(playbackRate, {
          action: 'fast-rewind',
          source: 'shortcut'
        });
      }
    }];
    _this.shortcuts = (0, _toConsumableArray2["default"])(_this.defaultShortcuts);
    _this.mergeShortcuts = _this.mergeShortcuts.bind((0, _assertThisInitialized2["default"])(_this));
    _this.handleKeyPress = _this.handleKeyPress.bind((0, _assertThisInitialized2["default"])(_this));
    _this.handleClick = _this.handleClick.bind((0, _assertThisInitialized2["default"])(_this));
    _this.handleDoubleClick = _this.handleDoubleClick.bind((0, _assertThisInitialized2["default"])(_this));
    return _this;
  }

  (0, _createClass2["default"])(Shortcut, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.mergeShortcuts();
      document.addEventListener('keydown', this.handleKeyPress);
      document.addEventListener('click', this.handleClick);
      document.addEventListener('dblclick', this.handleDoubleClick);
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      if (prevProps.shortcuts !== this.props.shortcuts) {
        this.mergeShortcuts();
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      document.removeEventListener('keydown', this.handleKeyPress);
      document.removeEventListener('click', this.handleClick);
      document.removeEventListener('dblclick', this.handleDoubleClick);
    } // merge the shortcuts from props

  }, {
    key: "mergeShortcuts",
    value: function mergeShortcuts() {
      var getShortcutKey = function getShortcutKey(_ref) {
        var _ref$keyCode = _ref.keyCode,
            keyCode = _ref$keyCode === void 0 ? 0 : _ref$keyCode,
            _ref$ctrl = _ref.ctrl,
            ctrl = _ref$ctrl === void 0 ? false : _ref$ctrl,
            _ref$shift = _ref.shift,
            shift = _ref$shift === void 0 ? false : _ref$shift,
            _ref$alt = _ref.alt,
            alt = _ref$alt === void 0 ? false : _ref$alt;
        return "".concat(keyCode, ":").concat(ctrl, ":").concat(shift, ":").concat(alt);
      };

      var defaultShortcuts = this.defaultShortcuts.reduce(function (shortcuts, shortcut) {
        return Object.assign(shortcuts, (0, _defineProperty2["default"])({}, getShortcutKey(shortcut), shortcut));
      }, {});
      var mergedShortcuts = (this.props.shortcuts || []).reduce(function (shortcuts, shortcut) {
        var keyCode = shortcut.keyCode,
            handle = shortcut.handle;

        if (keyCode && typeof handle === 'function') {
          return Object.assign(shortcuts, (0, _defineProperty2["default"])({}, getShortcutKey(shortcut), shortcut));
        }

        return shortcuts;
      }, defaultShortcuts);

      var gradeShortcut = function gradeShortcut(s) {
        var score = 0;
        var ps = ['ctrl', 'shift', 'alt'];
        ps.forEach(function (key) {
          if (s[key]) {
            score++;
          }
        });
        return score;
      };

      this.shortcuts = Object.keys(mergedShortcuts).map(function (key) {
        return mergedShortcuts[key];
      }).sort(function (a, b) {
        return gradeShortcut(b) - gradeShortcut(a);
      });
    }
  }, {
    key: "togglePlay",
    value: function togglePlay(player, actions) {
      if (player.paused) {
        actions.play({
          action: 'play',
          source: 'shortcut'
        });
      } else {
        actions.pause({
          action: 'pause',
          source: 'shortcut'
        });
      }
    }
  }, {
    key: "toggleFullscreen",
    value: function toggleFullscreen(player, actions) {
      actions.toggleFullscreen(player);
    }
  }, {
    key: "handleKeyPress",
    value: function handleKeyPress(e) {
      var _this$props = this.props,
          player = _this$props.player,
          actions = _this$props.actions;

      if (!player.isActive) {
        return;
      }

      if (document.activeElement && ((0, _dom.hasClass)(document.activeElement, 'video-react-control') || (0, _dom.hasClass)(document.activeElement, 'video-react-menu-button-active') || // || hasClass(document.activeElement, 'video-react-slider')
      (0, _dom.hasClass)(document.activeElement, 'video-react-big-play-button'))) {
        return;
      }

      var keyCode = e.keyCode || e.which;
      var ctrl = e.ctrlKey || e.metaKey;
      var shift = e.shiftKey;
      var alt = e.altKey;
      var shortcut = this.shortcuts.filter(function (s) {
        if (!s.keyCode || s.keyCode - keyCode !== 0) {
          return false;
        }

        if (s.ctrl !== undefined && s.ctrl !== ctrl || s.shift !== undefined && s.shift !== shift || s.alt !== undefined && s.alt !== alt) {
          return false;
        }

        return true;
      })[0];

      if (shortcut) {
        shortcut.handle(player, actions);
        e.preventDefault();
      }
    } // only if player is active and player is ready

  }, {
    key: "canBeClicked",
    value: function canBeClicked(player, e) {
      if (!player.isActive || e.target.nodeName !== 'VIDEO' || player.readyState !== 4) {
        return false;
      }

      return true;
    }
  }, {
    key: "handleClick",
    value: function handleClick(e) {
      var _this$props2 = this.props,
          player = _this$props2.player,
          actions = _this$props2.actions,
          clickable = _this$props2.clickable;

      if (!this.canBeClicked(player, e) || !clickable) {
        return;
      }

      this.togglePlay(player, actions); // e.preventDefault();
    }
  }, {
    key: "handleDoubleClick",
    value: function handleDoubleClick(e) {
      var _this$props3 = this.props,
          player = _this$props3.player,
          actions = _this$props3.actions,
          dblclickable = _this$props3.dblclickable;

      if (!this.canBeClicked(player, e) || !dblclickable) {
        return;
      }

      this.toggleFullscreen(player, actions); // e.preventDefault();
    } // this component dose not render anything
    // it's just for the key down event

  }, {
    key: "render",
    value: function render() {
      return null;
    }
  }]);
  return Shortcut;
}(_react.Component);

exports["default"] = Shortcut;
Shortcut.propTypes = propTypes;
Shortcut.defaultProps = defaultProps;
Shortcut.displayName = 'Shortcut';