@appinfini/react-cursor-position
Version:
A React component that decorates its children with touch and mouse cursor coordinates, plotted relative to itself.
96 lines (80 loc) • 4.22 kB
JavaScript
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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; }
import { TAP_GESTURE_TIMER_NAME } from '../constants';
import TouchEnvironmentActivation from './TouchEnvironmentActivation';
var TapActivation = function (_TouchEnvironmentActi) {
_inherits(TapActivation, _TouchEnvironmentActi);
function TapActivation(_ref) {
var onIsActiveChanged = _ref.onIsActiveChanged,
tapDurationInMs = _ref.tapDurationInMs,
tapMoveThreshold = _ref.tapMoveThreshold;
_classCallCheck(this, TapActivation);
var _this = _possibleConstructorReturn(this, (TapActivation.__proto__ || Object.getPrototypeOf(TapActivation)).call(this, { onIsActiveChanged: onIsActiveChanged }));
_this.hasTapGestureEnded = false;
_this.tapDurationInMs = tapDurationInMs;
_this.tapMoveThreshold = tapMoveThreshold;
return _this;
}
_createClass(TapActivation, [{
key: 'touchStarted',
value: function touchStarted(_ref2) {
var position = _ref2.position;
this.hasTapGestureEnded = false;
this.initMoveThreshold(position);
this.setTapEventTimer();
}
}, {
key: 'touchMoved',
value: function touchMoved(_ref3) {
var position = _ref3.position;
if (this.isActive) {
return;
}
this.setMoveThresholdCriteria(position);
}
}, {
key: 'touchEnded',
value: function touchEnded() {
this.hasTapGestureEnded = true;
}
}, {
key: 'setTapEventTimer',
value: function setTapEventTimer() {
var _this2 = this;
this.timers.push({
name: TAP_GESTURE_TIMER_NAME,
id: setTimeout(function () {
if (_this2.isTapGestureActive) {
_this2.toggleActivation();
}
}, this.tapDurationInMs)
});
}
}, {
key: 'setMoveThresholdCriteria',
value: function setMoveThresholdCriteria(position) {
this.currentElTop = position.y;
}
}, {
key: 'initMoveThreshold',
value: function initMoveThreshold(position) {
var top = position.y;
this.initialElTop = top;
this.currentElTop = top;
}
}, {
key: 'hasPassedMoveThreshold',
get: function get() {
return Math.abs(this.currentElTop - this.initialElTop) > this.tapMoveThreshold;
}
}, {
key: 'isTapGestureActive',
get: function get() {
return !this.hasPassedMoveThreshold && this.hasTapGestureEnded;
}
}]);
return TapActivation;
}(TouchEnvironmentActivation);
export default TapActivation;