%PDF- %PDF-
Direktori : /var/www/html/node_modules/swiper/core/events/ |
Current File : /var/www/html/node_modules/swiper/core/events/onTouchMove.js |
import { getDocument } from 'ssr-window'; import $ from '../../shared/dom.js'; import { now } from '../../shared/utils.js'; export default function onTouchMove(event) { const document = getDocument(); const swiper = this; const data = swiper.touchEventsData; const { params, touches, rtlTranslate: rtl, enabled } = swiper; if (!enabled) return; let e = event; if (e.originalEvent) e = e.originalEvent; if (!data.isTouched) { if (data.startMoving && data.isScrolling) { swiper.emit('touchMoveOpposite', e); } return; } if (data.isTouchEvent && e.type !== 'touchmove') return; const targetTouch = e.type === 'touchmove' && e.targetTouches && (e.targetTouches[0] || e.changedTouches[0]); const pageX = e.type === 'touchmove' ? targetTouch.pageX : e.pageX; const pageY = e.type === 'touchmove' ? targetTouch.pageY : e.pageY; if (e.preventedByNestedSwiper) { touches.startX = pageX; touches.startY = pageY; return; } if (!swiper.allowTouchMove) { if (!$(e.target).is(data.focusableElements)) { swiper.allowClick = false; } if (data.isTouched) { Object.assign(touches, { startX: pageX, startY: pageY, currentX: pageX, currentY: pageY }); data.touchStartTime = now(); } return; } if (data.isTouchEvent && params.touchReleaseOnEdges && !params.loop) { if (swiper.isVertical()) { // Vertical if (pageY < touches.startY && swiper.translate <= swiper.maxTranslate() || pageY > touches.startY && swiper.translate >= swiper.minTranslate()) { data.isTouched = false; data.isMoved = false; return; } } else if (pageX < touches.startX && swiper.translate <= swiper.maxTranslate() || pageX > touches.startX && swiper.translate >= swiper.minTranslate()) { return; } } if (data.isTouchEvent && document.activeElement) { if (e.target === document.activeElement && $(e.target).is(data.focusableElements)) { data.isMoved = true; swiper.allowClick = false; return; } } if (data.allowTouchCallbacks) { swiper.emit('touchMove', e); } if (e.targetTouches && e.targetTouches.length > 1) return; touches.currentX = pageX; touches.currentY = pageY; const diffX = touches.currentX - touches.startX; const diffY = touches.currentY - touches.startY; if (swiper.params.threshold && Math.sqrt(diffX ** 2 + diffY ** 2) < swiper.params.threshold) return; if (typeof data.isScrolling === 'undefined') { let touchAngle; if (swiper.isHorizontal() && touches.currentY === touches.startY || swiper.isVertical() && touches.currentX === touches.startX) { data.isScrolling = false; } else { // eslint-disable-next-line if (diffX * diffX + diffY * diffY >= 25) { touchAngle = Math.atan2(Math.abs(diffY), Math.abs(diffX)) * 180 / Math.PI; data.isScrolling = swiper.isHorizontal() ? touchAngle > params.touchAngle : 90 - touchAngle > params.touchAngle; } } } if (data.isScrolling) { swiper.emit('touchMoveOpposite', e); } if (typeof data.startMoving === 'undefined') { if (touches.currentX !== touches.startX || touches.currentY !== touches.startY) { data.startMoving = true; } } if (data.isScrolling) { data.isTouched = false; return; } if (!data.startMoving) { return; } swiper.allowClick = false; if (!params.cssMode && e.cancelable) { e.preventDefault(); } if (params.touchMoveStopPropagation && !params.nested) { e.stopPropagation(); } if (!data.isMoved) { if (params.loop && !params.cssMode) { swiper.loopFix(); } data.startTranslate = swiper.getTranslate(); swiper.setTransition(0); if (swiper.animating) { swiper.$wrapperEl.trigger('webkitTransitionEnd transitionend'); } data.allowMomentumBounce = false; // Grab Cursor if (params.grabCursor && (swiper.allowSlideNext === true || swiper.allowSlidePrev === true)) { swiper.setGrabCursor(true); } swiper.emit('sliderFirstMove', e); } swiper.emit('sliderMove', e); data.isMoved = true; let diff = swiper.isHorizontal() ? diffX : diffY; touches.diff = diff; diff *= params.touchRatio; if (rtl) diff = -diff; swiper.swipeDirection = diff > 0 ? 'prev' : 'next'; data.currentTranslate = diff + data.startTranslate; let disableParentSwiper = true; let resistanceRatio = params.resistanceRatio; if (params.touchReleaseOnEdges) { resistanceRatio = 0; } if (diff > 0 && data.currentTranslate > swiper.minTranslate()) { disableParentSwiper = false; if (params.resistance) data.currentTranslate = swiper.minTranslate() - 1 + (-swiper.minTranslate() + data.startTranslate + diff) ** resistanceRatio; } else if (diff < 0 && data.currentTranslate < swiper.maxTranslate()) { disableParentSwiper = false; if (params.resistance) data.currentTranslate = swiper.maxTranslate() + 1 - (swiper.maxTranslate() - data.startTranslate - diff) ** resistanceRatio; } if (disableParentSwiper) { e.preventedByNestedSwiper = true; } // Directions locks if (!swiper.allowSlideNext && swiper.swipeDirection === 'next' && data.currentTranslate < data.startTranslate) { data.currentTranslate = data.startTranslate; } if (!swiper.allowSlidePrev && swiper.swipeDirection === 'prev' && data.currentTranslate > data.startTranslate) { data.currentTranslate = data.startTranslate; } if (!swiper.allowSlidePrev && !swiper.allowSlideNext) { data.currentTranslate = data.startTranslate; } // Threshold if (params.threshold > 0) { if (Math.abs(diff) > params.threshold || data.allowThresholdMove) { if (!data.allowThresholdMove) { data.allowThresholdMove = true; touches.startX = touches.currentX; touches.startY = touches.currentY; data.currentTranslate = data.startTranslate; touches.diff = swiper.isHorizontal() ? touches.currentX - touches.startX : touches.currentY - touches.startY; return; } } else { data.currentTranslate = data.startTranslate; return; } } if (!params.followFinger || params.cssMode) return; // Update active index in free mode if (params.freeMode && params.freeMode.enabled && swiper.freeMode || params.watchSlidesProgress) { swiper.updateActiveIndex(); swiper.updateSlidesClasses(); } if (swiper.params.freeMode && params.freeMode.enabled && swiper.freeMode) { swiper.freeMode.onTouchMove(); } // Update progress swiper.updateProgress(data.currentTranslate); // Update translate swiper.setTranslate(data.currentTranslate); }