cczg-lottery-activity/uni_modules/zebra-swiper/libs/events/index.js

80 lines
2.0 KiB
JavaScript

import onTouchStart from './onTouchStart.js';
import onTouchMove from './onTouchMove.js';
import onTouchEnd from './onTouchEnd.js';
import onResize from './onResize.js';
import onClick from './onClick.js';
import onScroll from './onScroll.js';
let dummyEventAttached = false;
function dummyEventListener() {}
const events = (swiper, method) => {
const {
params,
touchEvents,
wrapperEl,
device,
support
} = swiper;
let el = swiper.native;
const capture = !!params.nested;
const domMethod = method === 'on' ? 'on' : 'off';
const swiperMethod = method;
if (!support.touch) {
let desktopMethod = method === 'on' ? 'addEventListener' : 'removeEventListener';
if (document.querySelector(`#${swiper.$el.swiperElId}`)) {
document.querySelector(`#${swiper.$el.swiperElId}`)[desktopMethod](touchEvents.start, swiper
.onTouchStart,
false);
}
document[desktopMethod](touchEvents.move, swiper.onTouchMove, capture);
document[desktopMethod](touchEvents.end, swiper.onTouchEnd, false);
} else {
const passiveListener = touchEvents.start === 'touchstart' && support.passiveListener && params
.passiveListeners ? {
passive: true,
capture: false
} : false;
}
// Resize handler
if (params.updateOnWindowResize) {
swiper[swiperMethod](
device.ios || device.android ?
'resize orientationchange observerUpdate' :
'resize observerUpdate',
onResize,
true,
);
} else {
swiper[swiperMethod]('observerUpdate', onResize, true);
}
};
function attachEvents() {
const swiper = this;
const {
params,
support
} = swiper;
swiper.onTouchStart = onTouchStart.bind(swiper);
swiper.onTouchMove = onTouchMove.bind(swiper);
swiper.onTouchEnd = onTouchEnd.bind(swiper);
if (params.cssMode) {
swiper.onScroll = onScroll.bind(swiper);
}
swiper.onClick = onClick.bind(swiper);
events(swiper, 'on');
}
function detachEvents() {
const swiper = this;
events(swiper, 'off');
}
export default {
attachEvents,
detachEvents
};