react-custom-scrollbars
Version:
React scrollbars component
1,322 lines (1,129 loc) • 88.2 kB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("react"));
else if(typeof define === 'function' && define.amd)
define(["react"], factory);
else if(typeof exports === 'object')
exports["ReactCustomScrollbars"] = factory(require("react"));
else
root["ReactCustomScrollbars"] = factory(root["React"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_6__) {
return /******/ (function(modules) { // webpackBootstrap
/******/ // The module cache
/******/ var installedModules = {};
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ if(installedModules[moduleId])
/******/ return installedModules[moduleId].exports;
/******/ // Create a new module (and put it into the cache)
/******/ var module = installedModules[moduleId] = {
/******/ exports: {},
/******/ id: moduleId,
/******/ loaded: false
/******/ };
/******/ // Execute the module function
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/ // Flag the module as loaded
/******/ module.loaded = true;
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/ // expose the modules object (__webpack_modules__)
/******/ __webpack_require__.m = modules;
/******/ // expose the module cache
/******/ __webpack_require__.c = installedModules;
/******/ // __webpack_public_path__
/******/ __webpack_require__.p = "";
/******/ // Load entry module and return exports
/******/ return __webpack_require__(0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.Scrollbars = undefined;
var _Scrollbars = __webpack_require__(9);
var _Scrollbars2 = _interopRequireDefault(_Scrollbars);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
exports["default"] = _Scrollbars2["default"];
exports.Scrollbars = _Scrollbars2["default"];
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
var prefix = __webpack_require__(17)
var toCamelCase = __webpack_require__(23)
var cache = { 'float': 'cssFloat' }
var addPxToStyle = __webpack_require__(7)
function style (element, property, value) {
var camel = cache[property]
if (typeof camel === 'undefined') {
camel = detect(property)
}
// may be false if CSS prop is unsupported
if (camel) {
if (value === undefined) {
return element.style[camel]
}
element.style[camel] = addPxToStyle(camel, value)
}
}
function each (element, properties) {
for (var k in properties) {
if (properties.hasOwnProperty(k)) {
style(element, k, properties[k])
}
}
}
function detect (cssProp) {
var camel = toCamelCase(cssProp)
var result = prefix(camel)
cache[camel] = cache[cssProp] = cache[result] = result
return result
}
function set () {
if (arguments.length === 2) {
if (typeof arguments[1] === 'string') {
arguments[0].style.cssText = arguments[1]
} else {
each(arguments[0], arguments[1])
}
} else {
style(arguments[0], arguments[1], arguments[2])
}
}
module.exports = set
module.exports.set = set
module.exports.get = function (element, properties) {
if (Array.isArray(properties)) {
return properties.reduce(function (obj, prop) {
obj[prop] = style(element, prop || '')
return obj
}, {})
} else {
return style(element, properties || '')
}
}
/***/ }),
/* 2 */
/***/ (function(module, exports) {
/**
* Copyright 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
'use strict';
var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';
module.exports = ReactPropTypesSecret;
/***/ }),
/* 3 */
/***/ (function(module, exports) {
"use strict";
/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*
*/
function makeEmptyFunction(arg) {
return function () {
return arg;
};
}
/**
* This function accepts and discards inputs; it has no side effects. This is
* primarily useful idiomatically for overridable function endpoints which
* always need to be callable, since JS lacks a null-call idiom ala Cocoa.
*/
var emptyFunction = function emptyFunction() {};
emptyFunction.thatReturns = makeEmptyFunction;
emptyFunction.thatReturnsFalse = makeEmptyFunction(false);
emptyFunction.thatReturnsTrue = makeEmptyFunction(true);
emptyFunction.thatReturnsNull = makeEmptyFunction(null);
emptyFunction.thatReturnsThis = function () {
return this;
};
emptyFunction.thatReturnsArgument = function (arg) {
return arg;
};
module.exports = emptyFunction;
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
/**
* Use invariant() to assert state which your program assumes to be true.
*
* Provide sprintf-style format (only %s is supported) and arguments
* to provide information about what broke and what you were
* expecting.
*
* The invariant message will be stripped in production, but the invariant
* will remain to ensure logic does not differ in production.
*/
var validateFormat = function validateFormat(format) {};
if (true) {
validateFormat = function validateFormat(format) {
if (format === undefined) {
throw new Error('invariant requires an error message argument');
}
};
}
function invariant(condition, format, a, b, c, d, e, f) {
validateFormat(format);
if (!condition) {
var error;
if (format === undefined) {
error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');
} else {
var args = [a, b, c, d, e, f];
var argIndex = 0;
error = new Error(format.replace(/%s/g, function () {
return args[argIndex++];
}));
error.name = 'Invariant Violation';
}
error.framesToPop = 1; // we don't care about invariant's own frame
throw error;
}
}
module.exports = invariant;
/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {
/**
* Copyright 2014-2015, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
'use strict';
var emptyFunction = __webpack_require__(3);
/**
* Similar to invariant but only logs a warning if the condition is not met.
* This can be used to log issues in development environments in critical
* paths. Removing the logging code for production environments will keep the
* same logic and follow the same code paths.
*/
var warning = emptyFunction;
if (true) {
(function () {
var printWarning = function printWarning(format) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
var argIndex = 0;
var message = 'Warning: ' + format.replace(/%s/g, function () {
return args[argIndex++];
});
if (typeof console !== 'undefined') {
console.error(message);
}
try {
// --- Welcome to debugging React ---
// This error was thrown as a convenience so that you can use this stack
// to find the callsite that caused this warning to fire.
throw new Error(message);
} catch (x) {}
};
warning = function warning(condition, format) {
if (format === undefined) {
throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');
}
if (format.indexOf('Failed Composite propType: ') === 0) {
return; // Ignore CompositeComponent proptype check.
}
if (!condition) {
for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
args[_key2 - 2] = arguments[_key2];
}
printWarning.apply(undefined, [format].concat(args));
}
};
})();
}
module.exports = warning;
/***/ }),
/* 6 */
/***/ (function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE_6__;
/***/ }),
/* 7 */
/***/ (function(module, exports) {
/* The following list is defined in React's core */
var IS_UNITLESS = {
animationIterationCount: true,
boxFlex: true,
boxFlexGroup: true,
boxOrdinalGroup: true,
columnCount: true,
flex: true,
flexGrow: true,
flexPositive: true,
flexShrink: true,
flexNegative: true,
flexOrder: true,
gridRow: true,
gridColumn: true,
fontWeight: true,
lineClamp: true,
lineHeight: true,
opacity: true,
order: true,
orphans: true,
tabSize: true,
widows: true,
zIndex: true,
zoom: true,
// SVG-related properties
fillOpacity: true,
stopOpacity: true,
strokeDashoffset: true,
strokeOpacity: true,
strokeWidth: true
};
module.exports = function(name, value) {
if(typeof value === 'number' && !IS_UNITLESS[ name ]) {
return value + 'px';
} else {
return value;
}
};
/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
exports.renderViewDefault = renderViewDefault;
exports.renderTrackHorizontalDefault = renderTrackHorizontalDefault;
exports.renderTrackVerticalDefault = renderTrackVerticalDefault;
exports.renderThumbHorizontalDefault = renderThumbHorizontalDefault;
exports.renderThumbVerticalDefault = renderThumbVerticalDefault;
var _react = __webpack_require__(6);
var _react2 = _interopRequireDefault(_react);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
/* eslint-disable react/prop-types */
function renderViewDefault(props) {
return _react2["default"].createElement('div', props);
}
function renderTrackHorizontalDefault(_ref) {
var style = _ref.style,
props = _objectWithoutProperties(_ref, ['style']);
var finalStyle = _extends({}, style, {
right: 2,
bottom: 2,
left: 2,
borderRadius: 3
});
return _react2["default"].createElement('div', _extends({ style: finalStyle }, props));
}
function renderTrackVerticalDefault(_ref2) {
var style = _ref2.style,
props = _objectWithoutProperties(_ref2, ['style']);
var finalStyle = _extends({}, style, {
right: 2,
bottom: 2,
top: 2,
borderRadius: 3
});
return _react2["default"].createElement('div', _extends({ style: finalStyle }, props));
}
function renderThumbHorizontalDefault(_ref3) {
var style = _ref3.style,
props = _objectWithoutProperties(_ref3, ['style']);
var finalStyle = _extends({}, style, {
cursor: 'pointer',
borderRadius: 'inherit',
backgroundColor: 'rgba(0,0,0,.2)'
});
return _react2["default"].createElement('div', _extends({ style: finalStyle }, props));
}
function renderThumbVerticalDefault(_ref4) {
var style = _ref4.style,
props = _objectWithoutProperties(_ref4, ['style']);
var finalStyle = _extends({}, style, {
cursor: 'pointer',
borderRadius: 'inherit',
backgroundColor: 'rgba(0,0,0,.2)'
});
return _react2["default"].createElement('div', _extends({ style: finalStyle }, props));
}
/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
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; }; }();
var _raf2 = __webpack_require__(22);
var _raf3 = _interopRequireDefault(_raf2);
var _domCss = __webpack_require__(1);
var _domCss2 = _interopRequireDefault(_domCss);
var _react = __webpack_require__(6);
var _propTypes = __webpack_require__(21);
var _propTypes2 = _interopRequireDefault(_propTypes);
var _isString = __webpack_require__(14);
var _isString2 = _interopRequireDefault(_isString);
var _getScrollbarWidth = __webpack_require__(13);
var _getScrollbarWidth2 = _interopRequireDefault(_getScrollbarWidth);
var _returnFalse = __webpack_require__(15);
var _returnFalse2 = _interopRequireDefault(_returnFalse);
var _getInnerWidth = __webpack_require__(12);
var _getInnerWidth2 = _interopRequireDefault(_getInnerWidth);
var _getInnerHeight = __webpack_require__(11);
var _getInnerHeight2 = _interopRequireDefault(_getInnerHeight);
var _styles = __webpack_require__(10);
var _defaultRenderElements = __webpack_require__(8);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }
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; }
var Scrollbars = function (_Component) {
_inherits(Scrollbars, _Component);
function Scrollbars(props) {
var _ref;
_classCallCheck(this, Scrollbars);
for (var _len = arguments.length, rest = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
rest[_key - 1] = arguments[_key];
}
var _this = _possibleConstructorReturn(this, (_ref = Scrollbars.__proto__ || Object.getPrototypeOf(Scrollbars)).call.apply(_ref, [this, props].concat(rest)));
_this.getScrollLeft = _this.getScrollLeft.bind(_this);
_this.getScrollTop = _this.getScrollTop.bind(_this);
_this.getScrollWidth = _this.getScrollWidth.bind(_this);
_this.getScrollHeight = _this.getScrollHeight.bind(_this);
_this.getClientWidth = _this.getClientWidth.bind(_this);
_this.getClientHeight = _this.getClientHeight.bind(_this);
_this.getValues = _this.getValues.bind(_this);
_this.getThumbHorizontalWidth = _this.getThumbHorizontalWidth.bind(_this);
_this.getThumbVerticalHeight = _this.getThumbVerticalHeight.bind(_this);
_this.getScrollLeftForOffset = _this.getScrollLeftForOffset.bind(_this);
_this.getScrollTopForOffset = _this.getScrollTopForOffset.bind(_this);
_this.scrollLeft = _this.scrollLeft.bind(_this);
_this.scrollTop = _this.scrollTop.bind(_this);
_this.scrollToLeft = _this.scrollToLeft.bind(_this);
_this.scrollToTop = _this.scrollToTop.bind(_this);
_this.scrollToRight = _this.scrollToRight.bind(_this);
_this.scrollToBottom = _this.scrollToBottom.bind(_this);
_this.handleTrackMouseEnter = _this.handleTrackMouseEnter.bind(_this);
_this.handleTrackMouseLeave = _this.handleTrackMouseLeave.bind(_this);
_this.handleHorizontalTrackMouseDown = _this.handleHorizontalTrackMouseDown.bind(_this);
_this.handleVerticalTrackMouseDown = _this.handleVerticalTrackMouseDown.bind(_this);
_this.handleHorizontalThumbMouseDown = _this.handleHorizontalThumbMouseDown.bind(_this);
_this.handleVerticalThumbMouseDown = _this.handleVerticalThumbMouseDown.bind(_this);
_this.handleWindowResize = _this.handleWindowResize.bind(_this);
_this.handleScroll = _this.handleScroll.bind(_this);
_this.handleDrag = _this.handleDrag.bind(_this);
_this.handleDragEnd = _this.handleDragEnd.bind(_this);
_this.state = {
didMountUniversal: false
};
return _this;
}
_createClass(Scrollbars, [{
key: 'componentDidMount',
value: function componentDidMount() {
this.addListeners();
this.update();
this.componentDidMountUniversal();
}
}, {
key: 'componentDidMountUniversal',
value: function componentDidMountUniversal() {
// eslint-disable-line react/sort-comp
var universal = this.props.universal;
if (!universal) return;
this.setState({ didMountUniversal: true });
}
}, {
key: 'componentDidUpdate',
value: function componentDidUpdate() {
this.update();
}
}, {
key: 'componentWillUnmount',
value: function componentWillUnmount() {
this.removeListeners();
(0, _raf2.cancel)(this.requestFrame);
clearTimeout(this.hideTracksTimeout);
clearInterval(this.detectScrollingInterval);
}
}, {
key: 'getScrollLeft',
value: function getScrollLeft() {
if (!this.view) return 0;
return this.view.scrollLeft;
}
}, {
key: 'getScrollTop',
value: function getScrollTop() {
if (!this.view) return 0;
return this.view.scrollTop;
}
}, {
key: 'getScrollWidth',
value: function getScrollWidth() {
if (!this.view) return 0;
return this.view.scrollWidth;
}
}, {
key: 'getScrollHeight',
value: function getScrollHeight() {
if (!this.view) return 0;
return this.view.scrollHeight;
}
}, {
key: 'getClientWidth',
value: function getClientWidth() {
if (!this.view) return 0;
return this.view.clientWidth;
}
}, {
key: 'getClientHeight',
value: function getClientHeight() {
if (!this.view) return 0;
return this.view.clientHeight;
}
}, {
key: 'getValues',
value: function getValues() {
var _ref2 = this.view || {},
_ref2$scrollLeft = _ref2.scrollLeft,
scrollLeft = _ref2$scrollLeft === undefined ? 0 : _ref2$scrollLeft,
_ref2$scrollTop = _ref2.scrollTop,
scrollTop = _ref2$scrollTop === undefined ? 0 : _ref2$scrollTop,
_ref2$scrollWidth = _ref2.scrollWidth,
scrollWidth = _ref2$scrollWidth === undefined ? 0 : _ref2$scrollWidth,
_ref2$scrollHeight = _ref2.scrollHeight,
scrollHeight = _ref2$scrollHeight === undefined ? 0 : _ref2$scrollHeight,
_ref2$clientWidth = _ref2.clientWidth,
clientWidth = _ref2$clientWidth === undefined ? 0 : _ref2$clientWidth,
_ref2$clientHeight = _ref2.clientHeight,
clientHeight = _ref2$clientHeight === undefined ? 0 : _ref2$clientHeight;
return {
left: scrollLeft / (scrollWidth - clientWidth) || 0,
top: scrollTop / (scrollHeight - clientHeight) || 0,
scrollLeft: scrollLeft,
scrollTop: scrollTop,
scrollWidth: scrollWidth,
scrollHeight: scrollHeight,
clientWidth: clientWidth,
clientHeight: clientHeight
};
}
}, {
key: 'getThumbHorizontalWidth',
value: function getThumbHorizontalWidth() {
var _props = this.props,
thumbSize = _props.thumbSize,
thumbMinSize = _props.thumbMinSize;
var _view = this.view,
scrollWidth = _view.scrollWidth,
clientWidth = _view.clientWidth;
var trackWidth = (0, _getInnerWidth2["default"])(this.trackHorizontal);
var width = Math.ceil(clientWidth / scrollWidth * trackWidth);
if (trackWidth === width) return 0;
if (thumbSize) return thumbSize;
return Math.max(width, thumbMinSize);
}
}, {
key: 'getThumbVerticalHeight',
value: function getThumbVerticalHeight() {
var _props2 = this.props,
thumbSize = _props2.thumbSize,
thumbMinSize = _props2.thumbMinSize;
var _view2 = this.view,
scrollHeight = _view2.scrollHeight,
clientHeight = _view2.clientHeight;
var trackHeight = (0, _getInnerHeight2["default"])(this.trackVertical);
var height = Math.ceil(clientHeight / scrollHeight * trackHeight);
if (trackHeight === height) return 0;
if (thumbSize) return thumbSize;
return Math.max(height, thumbMinSize);
}
}, {
key: 'getScrollLeftForOffset',
value: function getScrollLeftForOffset(offset) {
var _view3 = this.view,
scrollWidth = _view3.scrollWidth,
clientWidth = _view3.clientWidth;
var trackWidth = (0, _getInnerWidth2["default"])(this.trackHorizontal);
var thumbWidth = this.getThumbHorizontalWidth();
return offset / (trackWidth - thumbWidth) * (scrollWidth - clientWidth);
}
}, {
key: 'getScrollTopForOffset',
value: function getScrollTopForOffset(offset) {
var _view4 = this.view,
scrollHeight = _view4.scrollHeight,
clientHeight = _view4.clientHeight;
var trackHeight = (0, _getInnerHeight2["default"])(this.trackVertical);
var thumbHeight = this.getThumbVerticalHeight();
return offset / (trackHeight - thumbHeight) * (scrollHeight - clientHeight);
}
}, {
key: 'scrollLeft',
value: function scrollLeft() {
var left = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
if (!this.view) return;
this.view.scrollLeft = left;
}
}, {
key: 'scrollTop',
value: function scrollTop() {
var top = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
if (!this.view) return;
this.view.scrollTop = top;
}
}, {
key: 'scrollToLeft',
value: function scrollToLeft() {
if (!this.view) return;
this.view.scrollLeft = 0;
}
}, {
key: 'scrollToTop',
value: function scrollToTop() {
if (!this.view) return;
this.view.scrollTop = 0;
}
}, {
key: 'scrollToRight',
value: function scrollToRight() {
if (!this.view) return;
this.view.scrollLeft = this.view.scrollWidth;
}
}, {
key: 'scrollToBottom',
value: function scrollToBottom() {
if (!this.view) return;
this.view.scrollTop = this.view.scrollHeight;
}
}, {
key: 'addListeners',
value: function addListeners() {
/* istanbul ignore if */
if (typeof document === 'undefined' || !this.view) return;
var view = this.view,
trackHorizontal = this.trackHorizontal,
trackVertical = this.trackVertical,
thumbHorizontal = this.thumbHorizontal,
thumbVertical = this.thumbVertical;
view.addEventListener('scroll', this.handleScroll);
if (!(0, _getScrollbarWidth2["default"])()) return;
trackHorizontal.addEventListener('mouseenter', this.handleTrackMouseEnter);
trackHorizontal.addEventListener('mouseleave', this.handleTrackMouseLeave);
trackHorizontal.addEventListener('mousedown', this.handleHorizontalTrackMouseDown);
trackVertical.addEventListener('mouseenter', this.handleTrackMouseEnter);
trackVertical.addEventListener('mouseleave', this.handleTrackMouseLeave);
trackVertical.addEventListener('mousedown', this.handleVerticalTrackMouseDown);
thumbHorizontal.addEventListener('mousedown', this.handleHorizontalThumbMouseDown);
thumbVertical.addEventListener('mousedown', this.handleVerticalThumbMouseDown);
window.addEventListener('resize', this.handleWindowResize);
}
}, {
key: 'removeListeners',
value: function removeListeners() {
/* istanbul ignore if */
if (typeof document === 'undefined' || !this.view) return;
var view = this.view,
trackHorizontal = this.trackHorizontal,
trackVertical = this.trackVertical,
thumbHorizontal = this.thumbHorizontal,
thumbVertical = this.thumbVertical;
view.removeEventListener('scroll', this.handleScroll);
if (!(0, _getScrollbarWidth2["default"])()) return;
trackHorizontal.removeEventListener('mouseenter', this.handleTrackMouseEnter);
trackHorizontal.removeEventListener('mouseleave', this.handleTrackMouseLeave);
trackHorizontal.removeEventListener('mousedown', this.handleHorizontalTrackMouseDown);
trackVertical.removeEventListener('mouseenter', this.handleTrackMouseEnter);
trackVertical.removeEventListener('mouseleave', this.handleTrackMouseLeave);
trackVertical.removeEventListener('mousedown', this.handleVerticalTrackMouseDown);
thumbHorizontal.removeEventListener('mousedown', this.handleHorizontalThumbMouseDown);
thumbVertical.removeEventListener('mousedown', this.handleVerticalThumbMouseDown);
window.removeEventListener('resize', this.handleWindowResize);
// Possibly setup by `handleDragStart`
this.teardownDragging();
}
}, {
key: 'handleScroll',
value: function handleScroll(event) {
var _this2 = this;
var _props3 = this.props,
onScroll = _props3.onScroll,
onScrollFrame = _props3.onScrollFrame;
if (onScroll) onScroll(event);
this.update(function (values) {
var scrollLeft = values.scrollLeft,
scrollTop = values.scrollTop;
_this2.viewScrollLeft = scrollLeft;
_this2.viewScrollTop = scrollTop;
if (onScrollFrame) onScrollFrame(values);
});
this.detectScrolling();
}
}, {
key: 'handleScrollStart',
value: function handleScrollStart() {
var onScrollStart = this.props.onScrollStart;
if (onScrollStart) onScrollStart();
this.handleScrollStartAutoHide();
}
}, {
key: 'handleScrollStartAutoHide',
value: function handleScrollStartAutoHide() {
var autoHide = this.props.autoHide;
if (!autoHide) return;
this.showTracks();
}
}, {
key: 'handleScrollStop',
value: function handleScrollStop() {
var onScrollStop = this.props.onScrollStop;
if (onScrollStop) onScrollStop();
this.handleScrollStopAutoHide();
}
}, {
key: 'handleScrollStopAutoHide',
value: function handleScrollStopAutoHide() {
var autoHide = this.props.autoHide;
if (!autoHide) return;
this.hideTracks();
}
}, {
key: 'handleWindowResize',
value: function handleWindowResize() {
this.update();
}
}, {
key: 'handleHorizontalTrackMouseDown',
value: function handleHorizontalTrackMouseDown(event) {
event.preventDefault();
var target = event.target,
clientX = event.clientX;
var _target$getBoundingCl = target.getBoundingClientRect(),
targetLeft = _target$getBoundingCl.left;
var thumbWidth = this.getThumbHorizontalWidth();
var offset = Math.abs(targetLeft - clientX) - thumbWidth / 2;
this.view.scrollLeft = this.getScrollLeftForOffset(offset);
}
}, {
key: 'handleVerticalTrackMouseDown',
value: function handleVerticalTrackMouseDown(event) {
event.preventDefault();
var target = event.target,
clientY = event.clientY;
var _target$getBoundingCl2 = target.getBoundingClientRect(),
targetTop = _target$getBoundingCl2.top;
var thumbHeight = this.getThumbVerticalHeight();
var offset = Math.abs(targetTop - clientY) - thumbHeight / 2;
this.view.scrollTop = this.getScrollTopForOffset(offset);
}
}, {
key: 'handleHorizontalThumbMouseDown',
value: function handleHorizontalThumbMouseDown(event) {
event.preventDefault();
this.handleDragStart(event);
var target = event.target,
clientX = event.clientX;
var offsetWidth = target.offsetWidth;
var _target$getBoundingCl3 = target.getBoundingClientRect(),
left = _target$getBoundingCl3.left;
this.prevPageX = offsetWidth - (clientX - left);
}
}, {
key: 'handleVerticalThumbMouseDown',
value: function handleVerticalThumbMouseDown(event) {
event.preventDefault();
this.handleDragStart(event);
var target = event.target,
clientY = event.clientY;
var offsetHeight = target.offsetHeight;
var _target$getBoundingCl4 = target.getBoundingClientRect(),
top = _target$getBoundingCl4.top;
this.prevPageY = offsetHeight - (clientY - top);
}
}, {
key: 'setupDragging',
value: function setupDragging() {
(0, _domCss2["default"])(document.body, _styles.disableSelectStyle);
document.addEventListener('mousemove', this.handleDrag);
document.addEventListener('mouseup', this.handleDragEnd);
document.onselectstart = _returnFalse2["default"];
}
}, {
key: 'teardownDragging',
value: function teardownDragging() {
(0, _domCss2["default"])(document.body, _styles.disableSelectStyleReset);
document.removeEventListener('mousemove', this.handleDrag);
document.removeEventListener('mouseup', this.handleDragEnd);
document.onselectstart = undefined;
}
}, {
key: 'handleDragStart',
value: function handleDragStart(event) {
this.dragging = true;
event.stopImmediatePropagation();
this.setupDragging();
}
}, {
key: 'handleDrag',
value: function handleDrag(event) {
if (this.prevPageX) {
var clientX = event.clientX;
var _trackHorizontal$getB = this.trackHorizontal.getBoundingClientRect(),
trackLeft = _trackHorizontal$getB.left;
var thumbWidth = this.getThumbHorizontalWidth();
var clickPosition = thumbWidth - this.prevPageX;
var offset = -trackLeft + clientX - clickPosition;
this.view.scrollLeft = this.getScrollLeftForOffset(offset);
}
if (this.prevPageY) {
var clientY = event.clientY;
var _trackVertical$getBou = this.trackVertical.getBoundingClientRect(),
trackTop = _trackVertical$getBou.top;
var thumbHeight = this.getThumbVerticalHeight();
var _clickPosition = thumbHeight - this.prevPageY;
var _offset = -trackTop + clientY - _clickPosition;
this.view.scrollTop = this.getScrollTopForOffset(_offset);
}
return false;
}
}, {
key: 'handleDragEnd',
value: function handleDragEnd() {
this.dragging = false;
this.prevPageX = this.prevPageY = 0;
this.teardownDragging();
this.handleDragEndAutoHide();
}
}, {
key: 'handleDragEndAutoHide',
value: function handleDragEndAutoHide() {
var autoHide = this.props.autoHide;
if (!autoHide) return;
this.hideTracks();
}
}, {
key: 'handleTrackMouseEnter',
value: function handleTrackMouseEnter() {
this.trackMouseOver = true;
this.handleTrackMouseEnterAutoHide();
}
}, {
key: 'handleTrackMouseEnterAutoHide',
value: function handleTrackMouseEnterAutoHide() {
var autoHide = this.props.autoHide;
if (!autoHide) return;
this.showTracks();
}
}, {
key: 'handleTrackMouseLeave',
value: function handleTrackMouseLeave() {
this.trackMouseOver = false;
this.handleTrackMouseLeaveAutoHide();
}
}, {
key: 'handleTrackMouseLeaveAutoHide',
value: function handleTrackMouseLeaveAutoHide() {
var autoHide = this.props.autoHide;
if (!autoHide) return;
this.hideTracks();
}
}, {
key: 'showTracks',
value: function showTracks() {
clearTimeout(this.hideTracksTimeout);
(0, _domCss2["default"])(this.trackHorizontal, { opacity: 1 });
(0, _domCss2["default"])(this.trackVertical, { opacity: 1 });
}
}, {
key: 'hideTracks',
value: function hideTracks() {
var _this3 = this;
if (this.dragging) return;
if (this.scrolling) return;
if (this.trackMouseOver) return;
var autoHideTimeout = this.props.autoHideTimeout;
clearTimeout(this.hideTracksTimeout);
this.hideTracksTimeout = setTimeout(function () {
(0, _domCss2["default"])(_this3.trackHorizontal, { opacity: 0 });
(0, _domCss2["default"])(_this3.trackVertical, { opacity: 0 });
}, autoHideTimeout);
}
}, {
key: 'detectScrolling',
value: function detectScrolling() {
var _this4 = this;
if (this.scrolling) return;
this.scrolling = true;
this.handleScrollStart();
this.detectScrollingInterval = setInterval(function () {
if (_this4.lastViewScrollLeft === _this4.viewScrollLeft && _this4.lastViewScrollTop === _this4.viewScrollTop) {
clearInterval(_this4.detectScrollingInterval);
_this4.scrolling = false;
_this4.handleScrollStop();
}
_this4.lastViewScrollLeft = _this4.viewScrollLeft;
_this4.lastViewScrollTop = _this4.viewScrollTop;
}, 100);
}
}, {
key: 'raf',
value: function raf(callback) {
var _this5 = this;
if (this.requestFrame) _raf3["default"].cancel(this.requestFrame);
this.requestFrame = (0, _raf3["default"])(function () {
_this5.requestFrame = undefined;
callback();
});
}
}, {
key: 'update',
value: function update(callback) {
var _this6 = this;
this.raf(function () {
return _this6._update(callback);
});
}
}, {
key: '_update',
value: function _update(callback) {
var _props4 = this.props,
onUpdate = _props4.onUpdate,
hideTracksWhenNotNeeded = _props4.hideTracksWhenNotNeeded;
var values = this.getValues();
if ((0, _getScrollbarWidth2["default"])()) {
var scrollLeft = values.scrollLeft,
clientWidth = values.clientWidth,
scrollWidth = values.scrollWidth;
var trackHorizontalWidth = (0, _getInnerWidth2["default"])(this.trackHorizontal);
var thumbHorizontalWidth = this.getThumbHorizontalWidth();
var thumbHorizontalX = scrollLeft / (scrollWidth - clientWidth) * (trackHorizontalWidth - thumbHorizontalWidth);
var thumbHorizontalStyle = {
width: thumbHorizontalWidth,
transform: 'translateX(' + thumbHorizontalX + 'px)'
};
var scrollTop = values.scrollTop,
clientHeight = values.clientHeight,
scrollHeight = values.scrollHeight;
var trackVerticalHeight = (0, _getInnerHeight2["default"])(this.trackVertical);
var thumbVerticalHeight = this.getThumbVerticalHeight();
var thumbVerticalY = scrollTop / (scrollHeight - clientHeight) * (trackVerticalHeight - thumbVerticalHeight);
var thumbVerticalStyle = {
height: thumbVerticalHeight,
transform: 'translateY(' + thumbVerticalY + 'px)'
};
if (hideTracksWhenNotNeeded) {
var trackHorizontalStyle = {
visibility: scrollWidth > clientWidth ? 'visible' : 'hidden'
};
var trackVerticalStyle = {
visibility: scrollHeight > clientHeight ? 'visible' : 'hidden'
};
(0, _domCss2["default"])(this.trackHorizontal, trackHorizontalStyle);
(0, _domCss2["default"])(this.trackVertical, trackVerticalStyle);
}
(0, _domCss2["default"])(this.thumbHorizontal, thumbHorizontalStyle);
(0, _domCss2["default"])(this.thumbVertical, thumbVerticalStyle);
}
if (onUpdate) onUpdate(values);
if (typeof callback !== 'function') return;
callback(values);
}
}, {
key: 'render',
value: function render() {
var _this7 = this;
var scrollbarWidth = (0, _getScrollbarWidth2["default"])();
/* eslint-disable no-unused-vars */
var _props5 = this.props,
onScroll = _props5.onScroll,
onScrollFrame = _props5.onScrollFrame,
onScrollStart = _props5.onScrollStart,
onScrollStop = _props5.onScrollStop,
onUpdate = _props5.onUpdate,
renderView = _props5.renderView,
renderTrackHorizontal = _props5.renderTrackHorizontal,
renderTrackVertical = _props5.renderTrackVertical,
renderThumbHorizontal = _props5.renderThumbHorizontal,
renderThumbVertical = _props5.renderThumbVertical,
tagName = _props5.tagName,
hideTracksWhenNotNeeded = _props5.hideTracksWhenNotNeeded,
autoHide = _props5.autoHide,
autoHideTimeout = _props5.autoHideTimeout,
autoHideDuration = _props5.autoHideDuration,
thumbSize = _props5.thumbSize,
thumbMinSize = _props5.thumbMinSize,
universal = _props5.universal,
autoHeight = _props5.autoHeight,
autoHeightMin = _props5.autoHeightMin,
autoHeightMax = _props5.autoHeightMax,
style = _props5.style,
children = _props5.children,
props = _objectWithoutProperties(_props5, ['onScroll', 'onScrollFrame', 'onScrollStart', 'onScrollStop', 'onUpdate', 'renderView', 'renderTrackHorizontal', 'renderTrackVertical', 'renderThumbHorizontal', 'renderThumbVertical', 'tagName', 'hideTracksWhenNotNeeded', 'autoHide', 'autoHideTimeout', 'autoHideDuration', 'thumbSize', 'thumbMinSize', 'universal', 'autoHeight', 'autoHeightMin', 'autoHeightMax', 'style', 'children']);
/* eslint-enable no-unused-vars */
var didMountUniversal = this.state.didMountUniversal;
var containerStyle = _extends({}, _styles.containerStyleDefault, autoHeight && _extends({}, _styles.containerStyleAutoHeight, {
minHeight: autoHeightMin,
maxHeight: autoHeightMax
}), style);
var viewStyle = _extends({}, _styles.viewStyleDefault, {
// Hide scrollbars by setting a negative margin
marginRight: scrollbarWidth ? -scrollbarWidth : 0,
marginBottom: scrollbarWidth ? -scrollbarWidth : 0
}, autoHeight && _extends({}, _styles.viewStyleAutoHeight, {
// Add scrollbarWidth to autoHeight in order to compensate negative margins
minHeight: (0, _isString2["default"])(autoHeightMin) ? 'calc(' + autoHeightMin + ' + ' + scrollbarWidth + 'px)' : autoHeightMin + scrollbarWidth,
maxHeight: (0, _isString2["default"])(autoHeightMax) ? 'calc(' + autoHeightMax + ' + ' + scrollbarWidth + 'px)' : autoHeightMax + scrollbarWidth
}), autoHeight && universal && !didMountUniversal && {
minHeight: autoHeightMin,
maxHeight: autoHeightMax
}, universal && !didMountUniversal && _styles.viewStyleUniversalInitial);
var trackAutoHeightStyle = {
transition: 'opacity ' + autoHideDuration + 'ms',
opacity: 0
};
var trackHorizontalStyle = _extends({}, _styles.trackHorizontalStyleDefault, autoHide && trackAutoHeightStyle, (!scrollbarWidth || universal && !didMountUniversal) && {
display: 'none'
});
var trackVerticalStyle = _extends({}, _styles.trackVerticalStyleDefault, autoHide && trackAutoHeightStyle, (!scrollbarWidth || universal && !didMountUniversal) && {
display: 'none'
});
return (0, _react.createElement)(tagName, _extends({}, props, { style: containerStyle, ref: function ref(_ref3) {
_this7.container = _ref3;
} }), [(0, _react.cloneElement)(renderView({ style: viewStyle }), { key: 'view', ref: function ref(_ref4) {
_this7.view = _ref4;
} }, children), (0, _react.cloneElement)(renderTrackHorizontal({ style: trackHorizontalStyle }), { key: 'trackHorizontal', ref: function ref(_ref5) {
_this7.trackHorizontal = _ref5;
} }, (0, _react.cloneElement)(renderThumbHorizontal({ style: _styles.thumbHorizontalStyleDefault }), { ref: function ref(_ref6) {
_this7.thumbHorizontal = _ref6;
} })), (0, _react.cloneElement)(renderTrackVertical({ style: trackVerticalStyle }), { key: 'trackVertical', ref: function ref(_ref7) {
_this7.trackVertical = _ref7;
} }, (0, _react.cloneElement)(renderThumbVertical({ style: _styles.thumbVerticalStyleDefault }), { ref: function ref(_ref8) {
_this7.thumbVertical = _ref8;
} }))]);
}
}]);
return Scrollbars;
}(_react.Component);
exports["default"] = Scrollbars;
Scrollbars.propTypes = {
onScroll: _propTypes2["default"].func,
onScrollFrame: _propTypes2["default"].func,
onScrollStart: _propTypes2["default"].func,
onScrollStop: _propTypes2["default"].func,
onUpdate: _propTypes2["default"].func,
renderView: _propTypes2["default"].func,
renderTrackHorizontal: _propTypes2["default"].func,
renderTrackVertical: _propTypes2["default"].func,
renderThumbHorizontal: _propTypes2["default"].func,
renderThumbVertical: _propTypes2["default"].func,
tagName: _propTypes2["default"].string,
thumbSize: _propTypes2["default"].number,
thumbMinSize: _propTypes2["default"].number,
hideTracksWhenNotNeeded: _propTypes2["default"].bool,
autoHide: _propTypes2["default"].bool,
autoHideTimeout: _propTypes2["default"].number,
autoHideDuration: _propTypes2["default"].number,
autoHeight: _propTypes2["default"].bool,
autoHeightMin: _propTypes2["default"].oneOfType([_propTypes2["default"].number, _propTypes2["default"].string]),
autoHeightMax: _propTypes2["default"].oneOfType([_propTypes2["default"].number, _propTypes2["default"].string]),
universal: _propTypes2["default"].bool,
style: _propTypes2["default"].object,
children: _propTypes2["default"].node
};
Scrollbars.defaultProps = {
renderView: _defaultRenderElements.renderViewDefault,
renderTrackHorizontal: _defaultRenderElements.renderTrackHorizontalDefault,
renderTrackVertical: _defaultRenderElements.renderTrackVerticalDefault,
renderThumbHorizontal: _defaultRenderElements.renderThumbHorizontalDefault,
renderThumbVertical: _defaultRenderElements.renderThumbVerticalDefault,
tagName: 'div',
thumbMinSize: 30,
hideTracksWhenNotNeeded: false,
autoHide: false,
autoHideTimeout: 1000,
autoHideDuration: 200,
autoHeight: false,
autoHeightMin: 0,
autoHeightMax: 200,
universal: false
};
/***/ }),
/* 10 */
/***/ (function(module, exports) {
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var containerStyleDefault = exports.containerStyleDefault = {
position: 'relative',
overflow: 'hidden',
width: '100%',
height: '100%'
};
// Overrides containerStyleDefault properties
var containerStyleAutoHeight = exports.containerStyleAutoHeight = {
height: 'auto'
};
var viewStyleDefault = exports.viewStyleDefault = {
position: 'absolute',
top: 0,
left: 0,
right: 0,
bottom: 0,
overflow: 'scroll',
WebkitOverflowScrolling: 'touch'
};
// Overrides viewStyleDefault properties
var viewStyleAutoHeight = exports.viewStyleAutoHeight = {
position: 'relative',
top: undefined,
left: undefined,
right: undefined,
bottom: undefined
};
var viewStyleUniversalInitial = exports.viewStyleUniversalInitial = {
overflow: 'hidden',
marginRight: 0,
marginBottom: 0
};
var trackHorizontalStyleDefault = exports.trackHorizontalStyleDefault = {
position: 'absolute',
height: 6
};
var trackVerticalStyleDefault = exports.trackVerticalStyleDefault = {
position: 'absolute',
width: 6
};
var thumbHorizontalStyleDefault