@rapido/components
Version:
Library of common primitive components used in Rapido apps.
123 lines (122 loc) • 5.12 kB
JavaScript
;
/**
* Copyright (c) 2019-present Verum Technologies
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = __importStar(require("react"));
// @ts-ignore
var ExecutionEnvironment_1 = require("fbjs/lib/ExecutionEnvironment");
var isEnabled = false;
if (ExecutionEnvironment_1.canUseDOM) {
/**
* Web browsers emulate mouse events (and hover states) after touch events.
* This code infers when the currently-in-use modality supports hover
* (including for multi-modality devices) and considers "hover" to be enabled
* if a mouse movement occurs more than 1 second after the last touch event.
* This threshold is long enough to account for longer delays between the
* browser firing touch and mouse events on low-powered devices.
*/
var HOVER_THRESHOLD_MS_1 = 1000;
var lastTouchTimestamp_1 = 0;
var enableHover = function () {
if (isEnabled || Date.now() - lastTouchTimestamp_1 < HOVER_THRESHOLD_MS_1) {
return;
}
isEnabled = true;
};
var disableHover = function () {
lastTouchTimestamp_1 = Date.now();
if (isEnabled) {
isEnabled = false;
}
};
document.addEventListener('touchstart', disableHover, true);
document.addEventListener('touchmove', disableHover, true);
document.addEventListener('mousemove', enableHover, true);
}
var Hoverable = /** @class */ (function (_super) {
__extends(Hoverable, _super);
function Hoverable(props) {
var _this = _super.call(this, props) || this;
_this.state = { isHovered: false, showHover: true };
_this._handleMouseEnter = _this._handleMouseEnter.bind(_this);
_this._handleMouseLeave = _this._handleMouseLeave.bind(_this);
_this._handleGrant = _this._handleGrant.bind(_this);
_this._handleRelease = _this._handleRelease.bind(_this);
return _this;
}
Hoverable.prototype._handleMouseEnter = function (_) {
if (isEnabled && !this.state.isHovered) {
var onHoverIn = this.props.onHoverIn;
if (onHoverIn)
onHoverIn();
this.setState(function (state) { return (__assign(__assign({}, state), { isHovered: true })); });
}
};
Hoverable.prototype._handleMouseLeave = function (_) {
if (this.state.isHovered) {
var onHoverOut = this.props.onHoverOut;
if (onHoverOut)
onHoverOut();
this.setState(function (state) { return (__assign(__assign({}, state), { isHovered: false })); });
}
};
Hoverable.prototype._handleGrant = function () {
this.setState(function (state) { return (__assign(__assign({}, state), { showHover: false })); });
};
Hoverable.prototype._handleRelease = function () {
this.setState(function (state) { return (__assign(__assign({}, state), { showHover: true })); });
};
Hoverable.prototype.render = function () {
var children = this.props.children;
var child = typeof children === 'function'
? children(this.state.showHover && this.state.isHovered)
: children;
return react_1.default.cloneElement(react_1.default.Children.only(child), {
onMouseEnter: this._handleMouseEnter,
onMouseLeave: this._handleMouseLeave,
// prevent hover showing while responder
onResponderGrant: this._handleGrant,
onResponderRelease: this._handleRelease,
// if child is Touchable
onPressIn: this._handleGrant,
onPressOut: this._handleRelease,
});
};
return Hoverable;
}(react_1.Component));
exports.default = Hoverable;