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uniapp/小程序代码/uni_modules/zebra-swiper/libs/events/index.js

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+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
+};