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- import { __awaiter, __generator } from "tslib";
- import { useEffect, useEvent, usePageShow, useState, } from 'functional-mini/component';
- import '../_util/assert-component2';
- import { mountComponent } from '../_util/component';
- import { useComponentEvent } from '../_util/hooks/useComponentEvent';
- import { useEvent as useStableCallback } from '../_util/hooks/useEvent';
- import { useInstanceBoundingClientRect } from '../_util/hooks/useInstanceBoundingClientRect';
- import { NoticeBarFunctionalProps } from './props';
- var NoticeBar = function (props) {
- var _a = useState(''), marqueeStyle = _a[0], setMarqueeStyle = _a[1];
- var _b = useState(true), show = _b[0], setShow = _b[1];
- var triggerEventOnly = useComponentEvent(props).triggerEventOnly;
- var startMarquee = useStableCallback(function (state) {
- var loop = props.loop;
- var leading = 500;
- var duration = state.duration, overflowWidth = state.overflowWidth, viewWidth = state.viewWidth;
- var marqueeScrollWidth = overflowWidth;
- if (loop) {
- marqueeScrollWidth = overflowWidth + viewWidth;
- }
- var newMarqueeStyle = "transform: translate3d(".concat(-marqueeScrollWidth, "px, 0, 0); transition: ").concat(duration, "s all linear ").concat(typeof leading === 'number' ? "".concat(leading / 1000, "s") : '0s', ";");
- setMarqueeStyle(newMarqueeStyle);
- });
- var getBoundingClientRectWithId = useInstanceBoundingClientRect().getBoundingClientRectWithId;
- function measureText(callback) {
- var _this = this;
- var fps = 40;
- var loop = props.loop;
- // 计算文本所占据的宽度,计算需要滚动的宽度
- setTimeout(function () { return __awaiter(_this, void 0, void 0, function () {
- var marqueeSize, contentSize, overflowWidth, viewWidth, marqueeScrollWidth;
- return __generator(this, function (_a) {
- switch (_a.label) {
- case 0: return [4 /*yield*/, getBoundingClientRectWithId('.ant-notice-bar-marquee')];
- case 1:
- marqueeSize = _a.sent();
- return [4 /*yield*/, getBoundingClientRectWithId('.ant-notice-bar-content')];
- case 2:
- contentSize = _a.sent();
- overflowWidth = (marqueeSize && contentSize && marqueeSize.width - contentSize.width) ||
- 0;
- viewWidth = (contentSize === null || contentSize === void 0 ? void 0 : contentSize.width) || 0;
- marqueeScrollWidth = overflowWidth;
- if (loop) {
- marqueeScrollWidth = overflowWidth + viewWidth;
- }
- if (overflowWidth > 0) {
- callback({
- overflowWidth: overflowWidth,
- viewWidth: viewWidth,
- duration: marqueeScrollWidth / fps,
- });
- }
- return [2 /*return*/];
- }
- });
- }); }, 0);
- }
- useEffect(function () {
- var enableMarquee = props.enableMarquee;
- if (enableMarquee) {
- measureText(startMarquee);
- }
- });
- function resetMarquee(state) {
- var loop = props.loop;
- var viewWidth = state.viewWidth;
- var showMarqueeWidth = '0px';
- if (loop) {
- showMarqueeWidth = "".concat(viewWidth, "px");
- }
- var marqueeStyle = "transform: translate3d(".concat(showMarqueeWidth, ", 0, 0); transition: 0s all linear;");
- setMarqueeStyle(marqueeStyle);
- }
- useEvent('onTransitionEnd', function () {
- var loop = props.loop;
- var trailing = 200;
- if (loop) {
- setTimeout(function () {
- measureText(function (state) {
- resetMarquee(state);
- });
- }, trailing);
- }
- });
- useEvent('onTap', function () {
- var mode = props.mode;
- if (mode === 'link') {
- triggerEventOnly('tap');
- }
- if (mode === 'closeable') {
- if (typeof props.onTap !== 'function') {
- return;
- }
- setShow(false);
- triggerEventOnly('tap');
- }
- });
- usePageShow(function () {
- if (props.enableMarquee) {
- setMarqueeStyle('');
- resetMarquee({
- overflowWidth: 0,
- duration: 0,
- viewWidth: 0,
- });
- measureText(startMarquee);
- }
- });
- return {
- marqueeStyle: marqueeStyle,
- show: show,
- };
- };
- mountComponent(NoticeBar, NoticeBarFunctionalProps);
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