@r3l/app
Version:
156 lines (125 loc) • 6.54 kB
JavaScript
"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
var _typeof = require("@babel/runtime/helpers/typeof");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _react = _interopRequireWildcard(require("react"));
var _reactNativeWeb = require("react-native-web");
var _propTypes = _interopRequireDefault(require("prop-types"));
var _global = require("../../../styles/global");
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = (0, _getPrototypeOf2.default)(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = (0, _getPrototypeOf2.default)(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return (0, _possibleConstructorReturn2.default)(this, result); }; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
var DiscoverHeader = /*#__PURE__*/function (_Component) {
(0, _inherits2.default)(DiscoverHeader, _Component);
var _super = _createSuper(DiscoverHeader);
function DiscoverHeader(props) {
var _this;
(0, _classCallCheck2.default)(this, DiscoverHeader);
_this = _super.call(this, props);
_this.state = {
searchTerm: null,
transY: new _reactNativeWeb.Animated.Value(0),
offsetY: new _reactNativeWeb.Animated.Value(0)
};
_this.headerHeight = 50;
_this.lastOffset = -50;
_this.onScroll = _this.onScroll.bind((0, _assertThisInitialized2.default)(_this));
_this.currentOffset = -50;
return _this;
}
(0, _createClass2.default)(DiscoverHeader, [{
key: "onScroll",
value: function onScroll(event) {
var _this2 = this;
this.currentOffset = event.nativeEvent.contentOffset.y;
var threshold = _reactNativeWeb.Platform.OS === 'android' ? 0 : -this.headerHeight;
if (!event.nativeEvent.contentSize.height || this.currentOffset <= threshold) {
this.state.offsetY.setValue(0);
return;
}
var diff = this.lastOffset - this.currentOffset;
var top = Math.max(this.state.offsetY._value + diff, -this.headerHeight);
top = Math.min(top, 0);
this.state.offsetY.setValue(top);
this.lastOffset = this.currentOffset;
clearTimeout(this.scrollEnd);
this.scrollEnd = setTimeout(function () {
return _this2.onScrollEnd();
}, 100);
}
}, {
key: "onScrollEnd",
value: function onScrollEnd() {
if (this.state.offsetY._value >= -this.headerHeight / 2) {
this.showHeader();
} else this.hideHeader();
}
}, {
key: "hideHeader",
value: function hideHeader() {
var moveHeader = this.headerHeight * -1;
_reactNativeWeb.Animated.timing(this.state.offsetY, {
toValue: moveHeader,
duration: 200,
easing: _reactNativeWeb.Easing.quad,
useNativeDriver: true
}).start();
}
}, {
key: "showHeader",
value: function showHeader() {
_reactNativeWeb.Animated.timing(this.state.offsetY, {
toValue: 0,
duration: 200,
easing: _reactNativeWeb.Easing.quad,
useNativeDriver: true
}).start();
}
}, {
key: "render",
value: function render() {
var _this3 = this;
return /*#__PURE__*/_react.default.createElement(_reactNativeWeb.Animated.View, {
style: {
position: 'absolute',
top: 0,
width: _global.fullWidth,
zIndex: 1000,
backgroundColor: 'white',
transform: [{
translateY: this.state.offsetY
}],
overflow: 'hidden'
},
ref: function ref(c) {
_this3.header = c;
},
onLayout: function onLayout(event) {
var height = event.nativeEvent.layout.height;
if (_this3.headerHeight === height) return;
_this3.headerHeight = height;
_this3.props.setPostTop(_this3.headerHeight);
_this3.layout = true;
}
}, this.props.children);
}
}]);
return DiscoverHeader;
}(_react.Component);
exports.default = DiscoverHeader;
(0, _defineProperty2.default)(DiscoverHeader, "propTypes", {
setPostTop: _propTypes.default.func,
children: _propTypes.default.node
});
//# sourceMappingURL=discoverHeader.component.js.map