85 lines
3.1 KiB
JavaScript
85 lines
3.1 KiB
JavaScript
"use strict";
|
|
|
|
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = useFrameWheel;
|
|
var _react = require("react");
|
|
var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
|
|
var _isFirefox = _interopRequireDefault(require("../utils/isFirefox"));
|
|
var _useOriginScroll = _interopRequireDefault(require("./useOriginScroll"));
|
|
function useFrameWheel(inVirtual, isScrollAtTop, isScrollAtBottom, horizontalScroll,
|
|
/***
|
|
* Return `true` when you need to prevent default event
|
|
*/
|
|
onWheelDelta) {
|
|
var offsetRef = (0, _react.useRef)(0);
|
|
var nextFrameRef = (0, _react.useRef)(null);
|
|
// Firefox patch
|
|
var wheelValueRef = (0, _react.useRef)(null);
|
|
var isMouseScrollRef = (0, _react.useRef)(false);
|
|
// Scroll status sync
|
|
var originScroll = (0, _useOriginScroll.default)(isScrollAtTop, isScrollAtBottom);
|
|
function onWheelY(event, deltaY) {
|
|
_raf.default.cancel(nextFrameRef.current);
|
|
offsetRef.current += deltaY;
|
|
wheelValueRef.current = deltaY;
|
|
// Do nothing when scroll at the edge, Skip check when is in scroll
|
|
if (originScroll(deltaY)) return;
|
|
// Proxy of scroll events
|
|
if (!_isFirefox.default) {
|
|
event.preventDefault();
|
|
}
|
|
nextFrameRef.current = (0, _raf.default)(function () {
|
|
// Patch a multiple for Firefox to fix wheel number too small
|
|
// ref: https://github.com/ant-design/ant-design/issues/26372#issuecomment-679460266
|
|
var patchMultiple = isMouseScrollRef.current ? 10 : 1;
|
|
onWheelDelta(offsetRef.current * patchMultiple);
|
|
offsetRef.current = 0;
|
|
});
|
|
}
|
|
function onWheelX(event, deltaX) {
|
|
onWheelDelta(deltaX, true);
|
|
if (!_isFirefox.default) {
|
|
event.preventDefault();
|
|
}
|
|
}
|
|
// Check for which direction does wheel do. `sx` means `shift + wheel`
|
|
var wheelDirectionRef = (0, _react.useRef)(null);
|
|
var wheelDirectionCleanRef = (0, _react.useRef)(null);
|
|
function onWheel(event) {
|
|
if (!inVirtual) return;
|
|
// Wait for 2 frame to clean direction
|
|
_raf.default.cancel(wheelDirectionCleanRef.current);
|
|
wheelDirectionCleanRef.current = (0, _raf.default)(function () {
|
|
wheelDirectionRef.current = null;
|
|
}, 2);
|
|
var deltaX = event.deltaX,
|
|
deltaY = event.deltaY,
|
|
shiftKey = event.shiftKey;
|
|
var mergedDeltaX = deltaX;
|
|
var mergedDeltaY = deltaY;
|
|
if (wheelDirectionRef.current === 'sx' || !wheelDirectionRef.current && (shiftKey || false) && deltaY && !deltaX) {
|
|
mergedDeltaX = deltaY;
|
|
mergedDeltaY = 0;
|
|
wheelDirectionRef.current = 'sx';
|
|
}
|
|
var absX = Math.abs(mergedDeltaX);
|
|
var absY = Math.abs(mergedDeltaY);
|
|
if (wheelDirectionRef.current === null) {
|
|
wheelDirectionRef.current = horizontalScroll && absX > absY ? 'x' : 'y';
|
|
}
|
|
if (wheelDirectionRef.current === 'y') {
|
|
onWheelY(event, mergedDeltaY);
|
|
} else {
|
|
onWheelX(event, mergedDeltaX);
|
|
}
|
|
}
|
|
// A patch for firefox
|
|
function onFireFoxScroll(event) {
|
|
if (!inVirtual) return;
|
|
isMouseScrollRef.current = event.detail === wheelValueRef.current;
|
|
}
|
|
return [onWheel, onFireFoxScroll];
|
|
} |