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  1. import { CLS, getElementIndex, isFormElement, isHorizontal, maxTranslate, minTranslate, triggerTransitionEnd, } from './swiper-utils';
  2. import { getWrapperTranslate, setWrapperTransition, setWrapperTranslate } from './swiper-transition';
  3. import { currentSlidesPerView, fixLoop, onTransitionEnd, onTransitionStart, pauseAutoplay, slideNext, slidePrev, slideReset, slideTo, stopAutoplay, updateAutoHeight, updateContainerSize, updateSlidesSize, } from './swiper';
  4. import { updateProgress } from './swiper-progress';
  5. import { updateActiveIndex } from './swiper-index';
  6. import { updatePagination } from './swiper-pagination';
  7. import { updateClasses } from './swiper-classes';
  8. /*=========================
  9. Events
  10. ===========================*/
  11. // Attach/detach events
  12. export function initEvents(s, plt) {
  13. var win = plt.win();
  14. var doc = plt.doc();
  15. s._supportTouch = (function () {
  16. return !!(('ontouchstart' in win) || win.DocumentTouch && doc instanceof win.DocumentTouch);
  17. })();
  18. // Define Touch Events
  19. s._touchEventsDesktop = { start: 'mousedown', move: 'mousemove', end: 'mouseup' };
  20. if (win.navigator.pointerEnabled) {
  21. s._touchEventsDesktop = { start: 'pointerdown', move: 'pointermove', end: 'pointerup' };
  22. }
  23. else if (win.navigator.msPointerEnabled) {
  24. s._touchEventsDesktop = { start: 'MSPointerDown', move: 'MSPointerMove', end: 'MSPointerUp' };
  25. }
  26. s._touchEvents = {
  27. start: s._supportTouch || !s.simulateTouch ? 'touchstart' : s._touchEventsDesktop.start,
  28. move: s._supportTouch || !s.simulateTouch ? 'touchmove' : s._touchEventsDesktop.move,
  29. end: s._supportTouch || !s.simulateTouch ? 'touchend' : s._touchEventsDesktop.end
  30. };
  31. // WP8 Touch Events Fix
  32. if (win.navigator.pointerEnabled || win.navigator.msPointerEnabled) {
  33. (s.touchEventsTarget === 'container' ? s.container : s._wrapper).classList.add('swiper-wp8-' + s.direction);
  34. }
  35. var unregs = [];
  36. var touchEventsTarget = s.touchEventsTarget === 'container' ? s.container : s._wrapper;
  37. // Touch Events
  38. if (s._supportTouch) {
  39. // touchstart
  40. plt.registerListener(touchEventsTarget, s._touchEvents.start, function (ev) {
  41. onTouchStart(s, plt, ev);
  42. }, { passive: true, zone: false }, unregs);
  43. // touchmove
  44. plt.registerListener(touchEventsTarget, s._touchEvents.move, function (ev) {
  45. onTouchMove(s, plt, ev);
  46. }, { zone: false }, unregs);
  47. // touchend
  48. plt.registerListener(touchEventsTarget, s._touchEvents.end, function (ev) {
  49. onTouchEnd(s, plt, ev);
  50. }, { passive: true, zone: false }, unregs);
  51. }
  52. if ((s.simulateTouch && !plt.is('ios') && !plt.is('android')) || (s.simulateTouch && !s._supportTouch && plt.is('ios')) || plt.getQueryParam('ionicPlatform')) {
  53. // mousedown
  54. plt.registerListener(touchEventsTarget, 'mousedown', function (ev) {
  55. onTouchStart(s, plt, ev);
  56. }, { zone: false }, unregs);
  57. // mousemove
  58. plt.registerListener(touchEventsTarget, 'mousemove', function (ev) {
  59. onTouchMove(s, plt, ev);
  60. }, { zone: false }, unregs);
  61. // mouseup
  62. plt.registerListener(touchEventsTarget, 'mouseup', function (ev) {
  63. onTouchEnd(s, plt, ev);
  64. }, { zone: false }, unregs);
  65. }
  66. // onresize
  67. var resizeObs = plt.resize.subscribe(function () { return onResize(s, plt, false); });
  68. // Next, Prev, Index
  69. if (s.nextButton) {
  70. plt.registerListener(s.nextButton, 'click', function (ev) {
  71. onClickNext(s, plt, ev);
  72. }, { zone: false }, unregs);
  73. }
  74. if (s.prevButton) {
  75. plt.registerListener(s.prevButton, 'click', function (ev) {
  76. onClickPrev(s, plt, ev);
  77. }, { zone: false }, unregs);
  78. }
  79. if (s.paginationType) {
  80. plt.registerListener(s._paginationContainer, 'click', function (ev) {
  81. onClickIndex(s, plt, ev);
  82. }, { zone: false }, unregs);
  83. }
  84. // Prevent Links Clicks
  85. if (s.preventClicks || s.preventClicksPropagation) {
  86. plt.registerListener(touchEventsTarget, 'click', function (ev) {
  87. preventClicks(s, ev);
  88. }, { zone: false, capture: true }, unregs);
  89. }
  90. // return a function that removes all of the added listeners
  91. return function () {
  92. resizeObs.unsubscribe();
  93. unregs.forEach(function (unreg) {
  94. unreg();
  95. });
  96. unregs = null;
  97. };
  98. }
  99. /*=========================
  100. Handle Clicks
  101. ===========================*/
  102. // Prevent Clicks
  103. function preventClicks(s, e) {
  104. if (!s._allowClick) {
  105. if (s.preventClicks) {
  106. e.preventDefault();
  107. }
  108. if (s.preventClicksPropagation && s._animating) {
  109. e.stopPropagation();
  110. e.stopImmediatePropagation();
  111. }
  112. }
  113. }
  114. // Clicks
  115. function onClickNext(s, plt, e) {
  116. e.preventDefault();
  117. if (s._isEnd && !s.loop) {
  118. return;
  119. }
  120. slideNext(s, plt);
  121. }
  122. function onClickPrev(s, plt, e) {
  123. e.preventDefault();
  124. if (s._isBeginning && !s.loop) {
  125. return;
  126. }
  127. slidePrev(s, plt);
  128. }
  129. function onClickIndex(s, plt, e) {
  130. var indexStr = e.target.getAttribute('data-slide-index');
  131. if (indexStr) {
  132. var index = parseInt(indexStr, 10);
  133. e.preventDefault();
  134. if (s.loop) {
  135. index = index + s.loopedSlides;
  136. }
  137. slideTo(s, plt, index);
  138. }
  139. }
  140. /*=========================
  141. Handle Touches
  142. ===========================*/
  143. function findElementInEvent(e, selector) {
  144. var el = e.target;
  145. if (!el.matches(selector)) {
  146. if (typeof selector === 'string') {
  147. el = el.closest(selector);
  148. }
  149. else if (selector.nodeType) {
  150. var parentEl = el.parentElement;
  151. while (parentEl) {
  152. if (parentEl === selector) {
  153. return selector;
  154. }
  155. }
  156. return undefined;
  157. }
  158. }
  159. return el;
  160. }
  161. function updateClickedSlide(s, plt, e) {
  162. var slide = findElementInEvent(e, '.' + CLS.slide);
  163. var slideIndex = -1;
  164. if (slide) {
  165. for (var i = 0; i < s._slides.length; i++) {
  166. if (s._slides[i] === slide) {
  167. slideIndex = i;
  168. break;
  169. }
  170. }
  171. }
  172. if (slide && slideIndex > -1) {
  173. s.clickedSlide = slide;
  174. s.clickedIndex = slideIndex;
  175. }
  176. else {
  177. s.clickedSlide = undefined;
  178. s.clickedIndex = undefined;
  179. return;
  180. }
  181. if (s.slideToClickedSlide && s.clickedIndex !== undefined && s.clickedIndex !== s._activeIndex) {
  182. var slideToIndex = s.clickedIndex;
  183. var realIndex;
  184. var slidesPerView = s.slidesPerView === 'auto' ? currentSlidesPerView(s) : s.slidesPerView;
  185. if (s.loop) {
  186. if (s._animating)
  187. return;
  188. realIndex = parseInt(s.clickedSlide.getAttribute('data-swiper-slide-index'), 10);
  189. if (s.centeredSlides) {
  190. if ((slideToIndex < s.loopedSlides - slidesPerView / 2) || (slideToIndex > s._slides.length - s.loopedSlides + slidesPerView / 2)) {
  191. fixLoop(s, plt);
  192. slideToIndex = getElementIndex(s._wrapper.querySelector('.' + CLS.slide + '[data-swiper-slide-index="' + realIndex + '"]:not(.' + CLS.slideDuplicate + ')'));
  193. plt.timeout(function () {
  194. slideTo(s, plt, slideToIndex);
  195. });
  196. }
  197. else {
  198. slideTo(s, plt, slideToIndex);
  199. }
  200. }
  201. else {
  202. if (slideToIndex > s._slides.length - slidesPerView) {
  203. fixLoop(s, plt);
  204. slideToIndex = getElementIndex(s._wrapper.querySelector('.' + CLS.slide + '[data-swiper-slide-index="' + realIndex + '"]:not(.' + CLS.slideDuplicate + ')'));
  205. plt.timeout(function () {
  206. slideTo(s, plt, slideToIndex);
  207. });
  208. }
  209. else {
  210. slideTo(s, plt, slideToIndex);
  211. }
  212. }
  213. }
  214. else {
  215. slideTo(s, plt, slideToIndex);
  216. }
  217. }
  218. }
  219. var isTouched;
  220. var isMoved;
  221. var allowTouchCallbacks;
  222. var touchStartTime;
  223. var isScrolling;
  224. var currentTranslate;
  225. var startTranslate;
  226. var allowThresholdMove;
  227. // Last click time
  228. var lastClickTime = Date.now();
  229. var clickTimeout;
  230. // Velocities
  231. var velocities = [];
  232. var allowMomentumBounce;
  233. // Touch handlers
  234. var isTouchEvent;
  235. var startMoving;
  236. function onTouchStart(s, plt, ev) {
  237. (void 0) /* console.debug */;
  238. if (ev.originalEvent) {
  239. ev = ev.originalEvent;
  240. }
  241. s.originalEvent = ev;
  242. isTouchEvent = ev.type === 'touchstart';
  243. if (!isTouchEvent && 'which' in ev && ev.which === 3) {
  244. return;
  245. }
  246. if (s.noSwiping && findElementInEvent(ev, '.' + CLS.noSwiping)) {
  247. s._allowClick = true;
  248. return;
  249. }
  250. if (s.swipeHandler) {
  251. if (!findElementInEvent(ev, s.swipeHandler))
  252. return;
  253. }
  254. var startX = s._touches.currentX = ev.type === 'touchstart' ? ev.targetTouches[0].pageX : ev.pageX;
  255. var startY = s._touches.currentY = ev.type === 'touchstart' ? ev.targetTouches[0].pageY : ev.pageY;
  256. // Do NOT start if iOS edge swipe is detected. Otherwise iOS app (UIWebView) cannot swipe-to-go-back anymore
  257. if (plt.is('ios') && s.iOSEdgeSwipeDetection && startX <= s.iOSEdgeSwipeThreshold) {
  258. return;
  259. }
  260. isTouched = true;
  261. isMoved = false;
  262. allowTouchCallbacks = true;
  263. isScrolling = undefined;
  264. startMoving = undefined;
  265. s._touches.startX = startX;
  266. s._touches.startY = startY;
  267. touchStartTime = Date.now();
  268. s._allowClick = true;
  269. updateContainerSize(s, plt);
  270. s.swipeDirection = undefined;
  271. if (s.threshold > 0) {
  272. allowThresholdMove = false;
  273. }
  274. if (ev.type !== 'touchstart') {
  275. var preventDefault = true;
  276. if (isFormElement(ev.target)) {
  277. preventDefault = false;
  278. }
  279. plt.focusOutActiveElement();
  280. if (preventDefault) {
  281. ev.preventDefault();
  282. }
  283. }
  284. s.ionSlideTouchStart.emit(ev);
  285. }
  286. function onTouchMove(s, plt, ev) {
  287. (void 0) /* console.debug */;
  288. if (ev.originalEvent) {
  289. ev = ev.originalEvent;
  290. }
  291. s.originalEvent = ev;
  292. if (isTouchEvent && ev.type === 'mousemove')
  293. return;
  294. if (ev.preventedByNestedSwiper) {
  295. s._touches.startX = ev.type === 'touchmove' ? ev.targetTouches[0].pageX : ev.pageX;
  296. s._touches.startY = ev.type === 'touchmove' ? ev.targetTouches[0].pageY : ev.pageY;
  297. return;
  298. }
  299. if (s.onlyExternal) {
  300. // isMoved = true;
  301. s._allowClick = false;
  302. if (isTouched) {
  303. s._touches.startX = s._touches.currentX = ev.type === 'touchmove' ? ev.targetTouches[0].pageX : ev.pageX;
  304. s._touches.startY = s._touches.currentY = ev.type === 'touchmove' ? ev.targetTouches[0].pageY : ev.pageY;
  305. touchStartTime = Date.now();
  306. }
  307. return;
  308. }
  309. if (isTouchEvent && s.touchReleaseOnEdges && !s.loop) {
  310. if (!isHorizontal(s)) {
  311. // Vertical
  312. if ((s._touches.currentY < s._touches.startY && s._translate <= maxTranslate(s)) ||
  313. (s._touches.currentY > s._touches.startY && s._translate >= minTranslate(s))) {
  314. return;
  315. }
  316. }
  317. else {
  318. if ((s._touches.currentX < s._touches.startX && s._translate <= maxTranslate(s)) ||
  319. (s._touches.currentX > s._touches.startX && s._translate >= minTranslate(s))) {
  320. return;
  321. }
  322. }
  323. }
  324. var activeEle = plt.getActiveElement();
  325. if (isTouchEvent && activeEle) {
  326. if (ev.target === activeEle && isFormElement(ev.target)) {
  327. isMoved = true;
  328. s._allowClick = false;
  329. return;
  330. }
  331. }
  332. if (ev.targetTouches && ev.targetTouches.length > 1)
  333. return;
  334. s._touches.currentX = ev.type === 'touchmove' ? ev.targetTouches[0].pageX : ev.pageX;
  335. s._touches.currentY = ev.type === 'touchmove' ? ev.targetTouches[0].pageY : ev.pageY;
  336. if (typeof isScrolling === 'undefined') {
  337. var touchAngle;
  338. if (isHorizontal(s) && s._touches.currentY === s._touches.startY || !isHorizontal(s) && s._touches.currentX === s._touches.startX) {
  339. isScrolling = false;
  340. }
  341. else {
  342. touchAngle = Math.atan2(Math.abs(s._touches.currentY - s._touches.startY), Math.abs(s._touches.currentX - s._touches.startX)) * 180 / Math.PI;
  343. isScrolling = isHorizontal(s) ? touchAngle > s.touchAngle : (90 - touchAngle > s.touchAngle);
  344. }
  345. }
  346. if (!isTouched)
  347. return;
  348. if (isScrolling) {
  349. isTouched = false;
  350. return;
  351. }
  352. s._allowClick = false;
  353. s.ionSlideDrag.emit(s);
  354. ev.preventDefault();
  355. if (s.touchMoveStopPropagation) {
  356. ev.stopPropagation();
  357. }
  358. if (!isMoved) {
  359. if (s.loop) {
  360. fixLoop(s, plt);
  361. }
  362. startTranslate = getWrapperTranslate(s, plt);
  363. setWrapperTransition(s, plt, 0);
  364. if (s._animating) {
  365. triggerTransitionEnd(plt, s._wrapper);
  366. }
  367. if (s.autoplay && s._autoplaying) {
  368. if (s.autoplayDisableOnInteraction) {
  369. stopAutoplay(s);
  370. }
  371. else {
  372. pauseAutoplay(s, plt);
  373. }
  374. }
  375. allowMomentumBounce = false;
  376. }
  377. isMoved = true;
  378. var diff = s._touches.diff = isHorizontal(s) ? s._touches.currentX - s._touches.startX : s._touches.currentY - s._touches.startY;
  379. diff = diff * s.touchRatio;
  380. if (s._rtl)
  381. diff = -diff;
  382. s.swipeDirection = diff > 0 ? 'prev' : 'next';
  383. currentTranslate = diff + startTranslate;
  384. var disableParentSwiper = true;
  385. if ((diff > 0 && currentTranslate > minTranslate(s))) {
  386. disableParentSwiper = false;
  387. if (s.resistance) {
  388. currentTranslate = minTranslate(s) - 1 + Math.pow(-minTranslate(s) + startTranslate + diff, s.resistanceRatio);
  389. }
  390. }
  391. else if (diff < 0 && currentTranslate < maxTranslate(s)) {
  392. disableParentSwiper = false;
  393. if (s.resistance)
  394. currentTranslate = maxTranslate(s) + 1 - Math.pow(maxTranslate(s) - startTranslate - diff, s.resistanceRatio);
  395. }
  396. if (disableParentSwiper) {
  397. ev.preventedByNestedSwiper = true;
  398. }
  399. // Directions locks
  400. if (!s._allowSwipeToNext && s.swipeDirection === 'next' && currentTranslate < startTranslate) {
  401. currentTranslate = startTranslate;
  402. }
  403. if (!s._allowSwipeToPrev && s.swipeDirection === 'prev' && currentTranslate > startTranslate) {
  404. currentTranslate = startTranslate;
  405. }
  406. // Threshold
  407. if (s.threshold > 0) {
  408. if (Math.abs(diff) > s.threshold || allowThresholdMove) {
  409. if (!allowThresholdMove) {
  410. allowThresholdMove = true;
  411. s._touches.startX = s._touches.currentX;
  412. s._touches.startY = s._touches.currentY;
  413. currentTranslate = startTranslate;
  414. s._touches.diff = isHorizontal(s) ? s._touches.currentX - s._touches.startX : s._touches.currentY - s._touches.startY;
  415. return;
  416. }
  417. }
  418. else {
  419. currentTranslate = startTranslate;
  420. return;
  421. }
  422. }
  423. if (!s.followFinger)
  424. return;
  425. // Update active index in free mode
  426. if (s.freeMode || s.watchSlidesProgress) {
  427. updateActiveIndex(s);
  428. }
  429. if (s.freeMode) {
  430. // Velocity
  431. if (velocities.length === 0) {
  432. velocities.push({
  433. position: s._touches[isHorizontal(s) ? 'startX' : 'startY'],
  434. time: touchStartTime
  435. });
  436. }
  437. velocities.push({
  438. position: s._touches[isHorizontal(s) ? 'currentX' : 'currentY'],
  439. time: (new Date()).getTime()
  440. });
  441. }
  442. // Update progress
  443. updateProgress(s, currentTranslate);
  444. // Update translate
  445. setWrapperTranslate(s, plt, currentTranslate);
  446. }
  447. function onTouchEnd(s, plt, ev) {
  448. (void 0) /* console.debug */;
  449. if (ev.originalEvent) {
  450. ev = ev.originalEvent;
  451. }
  452. s.originalEvent = ev;
  453. if (allowTouchCallbacks) {
  454. s.ionSlideTouchEnd.emit(ev);
  455. }
  456. allowTouchCallbacks = false;
  457. if (!isTouched)
  458. return;
  459. // Time diff
  460. var touchEndTime = Date.now();
  461. var timeDiff = touchEndTime - touchStartTime;
  462. // Tap, doubleTap, Click
  463. if (s._allowClick) {
  464. updateClickedSlide(s, plt, ev);
  465. s._zone.run(function () {
  466. s.ionSlideTap.emit(s);
  467. if (timeDiff < 300 && (touchEndTime - lastClickTime) > 300) {
  468. if (clickTimeout) {
  469. plt.cancelTimeout(clickTimeout);
  470. }
  471. clickTimeout = plt.timeout(function () {
  472. if (!s)
  473. return;
  474. if (s.paginationHide && s._paginationContainer && !ev.target.classList.contains(CLS.bullet)) {
  475. s._paginationContainer.classList.toggle(CLS.paginationHidden);
  476. }
  477. }, 300);
  478. }
  479. if (timeDiff < 300 && (touchEndTime - lastClickTime) < 300) {
  480. if (clickTimeout)
  481. clearTimeout(clickTimeout);
  482. s.ionSlideDoubleTap.emit(s);
  483. }
  484. });
  485. }
  486. lastClickTime = Date.now();
  487. plt.timeout(function () {
  488. if (s) {
  489. s._allowClick = true;
  490. }
  491. });
  492. if (!isTouched || !isMoved || !s.swipeDirection || s._touches.diff === 0 || currentTranslate === startTranslate) {
  493. isTouched = isMoved = false;
  494. return;
  495. }
  496. isTouched = isMoved = false;
  497. var currentPos;
  498. if (s.followFinger) {
  499. currentPos = s._rtl ? s._translate : -s._translate;
  500. }
  501. else {
  502. currentPos = -currentTranslate;
  503. }
  504. if (s.freeMode) {
  505. if (currentPos < -minTranslate(s)) {
  506. slideTo(s, plt, s._activeIndex);
  507. return;
  508. }
  509. else if (currentPos > -maxTranslate(s)) {
  510. if (s._slides.length < s._snapGrid.length) {
  511. slideTo(s, plt, s._snapGrid.length - 1);
  512. }
  513. else {
  514. slideTo(s, plt, s._slides.length - 1);
  515. }
  516. return;
  517. }
  518. if (s.freeModeMomentum) {
  519. if (velocities.length > 1) {
  520. var lastMoveEvent = velocities.pop(), velocityEvent = velocities.pop();
  521. var distance = lastMoveEvent.position - velocityEvent.position;
  522. var time = lastMoveEvent.time - velocityEvent.time;
  523. s.velocity = distance / time;
  524. s.velocity = s.velocity / 2;
  525. if (Math.abs(s.velocity) < s.freeModeMinimumVelocity) {
  526. s.velocity = 0;
  527. }
  528. // this implies that the user stopped moving a finger then released.
  529. // There would be no events with distance zero, so the last event is stale.
  530. if (time > 150 || (new Date().getTime() - lastMoveEvent.time) > 300) {
  531. s.velocity = 0;
  532. }
  533. }
  534. else {
  535. s.velocity = 0;
  536. }
  537. s.velocity = s.velocity * s.freeModeMomentumVelocityRatio;
  538. velocities.length = 0;
  539. var momentumDuration = 1000 * s.freeModeMomentumRatio;
  540. var momentumDistance = s.velocity * momentumDuration;
  541. var newPosition = s._translate + momentumDistance;
  542. if (s._rtl)
  543. newPosition = -newPosition;
  544. var doBounce = false;
  545. var afterBouncePosition;
  546. var bounceAmount = Math.abs(s.velocity) * 20 * s.freeModeMomentumBounceRatio;
  547. if (newPosition < maxTranslate(s)) {
  548. if (s.freeModeMomentumBounce) {
  549. if (newPosition + maxTranslate(s) < -bounceAmount) {
  550. newPosition = maxTranslate(s) - bounceAmount;
  551. }
  552. afterBouncePosition = maxTranslate(s);
  553. doBounce = true;
  554. allowMomentumBounce = true;
  555. }
  556. else {
  557. newPosition = maxTranslate(s);
  558. }
  559. }
  560. else if (newPosition > minTranslate(s)) {
  561. if (s.freeModeMomentumBounce) {
  562. if (newPosition - minTranslate(s) > bounceAmount) {
  563. newPosition = minTranslate(s) + bounceAmount;
  564. }
  565. afterBouncePosition = minTranslate(s);
  566. doBounce = true;
  567. allowMomentumBounce = true;
  568. }
  569. else {
  570. newPosition = minTranslate(s);
  571. }
  572. }
  573. else if (s.freeModeSticky) {
  574. var j = 0;
  575. var nextSlide;
  576. for (j = 0; j < s._snapGrid.length; j += 1) {
  577. if (s._snapGrid[j] > -newPosition) {
  578. nextSlide = j;
  579. break;
  580. }
  581. }
  582. if (Math.abs(s._snapGrid[nextSlide] - newPosition) < Math.abs(s._snapGrid[nextSlide - 1] - newPosition) || s.swipeDirection === 'next') {
  583. newPosition = s._snapGrid[nextSlide];
  584. }
  585. else {
  586. newPosition = s._snapGrid[nextSlide - 1];
  587. }
  588. if (!s._rtl)
  589. newPosition = -newPosition;
  590. }
  591. // Fix duration
  592. if (s.velocity !== 0) {
  593. if (s._rtl) {
  594. momentumDuration = Math.abs((-newPosition - s._translate) / s.velocity);
  595. }
  596. else {
  597. momentumDuration = Math.abs((newPosition - s._translate) / s.velocity);
  598. }
  599. }
  600. else if (s.freeModeSticky) {
  601. slideReset(s, plt);
  602. return;
  603. }
  604. if (s.freeModeMomentumBounce && doBounce) {
  605. updateProgress(s, afterBouncePosition);
  606. setWrapperTransition(s, plt, momentumDuration);
  607. setWrapperTranslate(s, plt, newPosition);
  608. onTransitionStart(s);
  609. s._animating = true;
  610. plt.transitionEnd(s._wrapper, function () {
  611. if (!s || !allowMomentumBounce)
  612. return;
  613. setWrapperTransition(s, plt, s.speed);
  614. setWrapperTranslate(s, plt, afterBouncePosition);
  615. plt.transitionEnd(s._wrapper, function () {
  616. if (!s)
  617. return;
  618. onTransitionEnd(s, plt);
  619. });
  620. });
  621. }
  622. else if (s.velocity) {
  623. updateProgress(s, newPosition);
  624. setWrapperTransition(s, plt, momentumDuration);
  625. setWrapperTranslate(s, plt, newPosition);
  626. onTransitionStart(s);
  627. if (!s._animating) {
  628. s._animating = true;
  629. plt.transitionEnd(s._wrapper, function () {
  630. if (!s)
  631. return;
  632. onTransitionEnd(s, plt);
  633. });
  634. }
  635. }
  636. else {
  637. updateProgress(s, newPosition);
  638. }
  639. updateActiveIndex(s);
  640. }
  641. if (!s.freeModeMomentum || timeDiff >= s.longSwipesMs) {
  642. updateProgress(s);
  643. updateActiveIndex(s);
  644. }
  645. return;
  646. }
  647. // Find current slide
  648. var stopIndex = 0;
  649. var groupSize = s._slidesSizesGrid[0];
  650. for (var i = 0; i < s._slidesGrid.length; i += s.slidesPerGroup) {
  651. if (typeof s._slidesGrid[i + s.slidesPerGroup] !== 'undefined') {
  652. if (currentPos >= s._slidesGrid[i] && currentPos < s._slidesGrid[i + s.slidesPerGroup]) {
  653. stopIndex = i;
  654. groupSize = s._slidesGrid[i + s.slidesPerGroup] - s._slidesGrid[i];
  655. }
  656. }
  657. else {
  658. if (currentPos >= s._slidesGrid[i]) {
  659. stopIndex = i;
  660. groupSize = s._slidesGrid[s._slidesGrid.length - 1] - s._slidesGrid[s._slidesGrid.length - 2];
  661. }
  662. }
  663. }
  664. // Find current slide size
  665. var ratio = (currentPos - s._slidesGrid[stopIndex]) / groupSize;
  666. if (timeDiff > s.longSwipesMs) {
  667. // Long touches
  668. if (!s.longSwipes) {
  669. slideTo(s, plt, s._activeIndex);
  670. return;
  671. }
  672. if (s.swipeDirection === 'next') {
  673. if (ratio >= s.longSwipesRatio) {
  674. slideTo(s, plt, stopIndex + s.slidesPerGroup);
  675. }
  676. else {
  677. slideTo(s, plt, stopIndex);
  678. }
  679. }
  680. if (s.swipeDirection === 'prev') {
  681. if (ratio > (1 - s.longSwipesRatio)) {
  682. slideTo(s, plt, stopIndex + s.slidesPerGroup);
  683. }
  684. else {
  685. slideTo(s, plt, stopIndex);
  686. }
  687. }
  688. }
  689. else {
  690. // Short swipes
  691. if (!s.shortSwipes) {
  692. slideTo(s, plt, s._activeIndex);
  693. return;
  694. }
  695. if (s.swipeDirection === 'next') {
  696. slideTo(s, plt, stopIndex + s.slidesPerGroup);
  697. }
  698. if (s.swipeDirection === 'prev') {
  699. slideTo(s, plt, stopIndex);
  700. }
  701. }
  702. }
  703. /*=========================
  704. Resize Handler
  705. ===========================*/
  706. var resizeId;
  707. function onResize(s, plt, forceUpdatePagination) {
  708. // TODO: hacky, we should use Resize Observer in the future
  709. if (resizeId) {
  710. plt.cancelTimeout(resizeId);
  711. resizeId = null;
  712. }
  713. resizeId = plt.timeout(function () { return doResize(s, plt, forceUpdatePagination); }, 200);
  714. }
  715. function doResize(s, plt, forceUpdatePagination) {
  716. resizeId = null;
  717. // Disable locks on resize
  718. var allowSwipeToPrev = s._allowSwipeToPrev;
  719. var allowSwipeToNext = s._allowSwipeToNext;
  720. s._allowSwipeToPrev = s._allowSwipeToNext = true;
  721. updateContainerSize(s, plt);
  722. updateSlidesSize(s, plt);
  723. if (s.slidesPerView === 'auto' || s.freeMode || forceUpdatePagination) {
  724. updatePagination(s);
  725. }
  726. if (s._spline) {
  727. s._spline = undefined;
  728. }
  729. var slideChangedBySlideTo = false;
  730. if (s.freeMode) {
  731. var newTranslate = Math.min(Math.max(s._translate, maxTranslate(s)), minTranslate(s));
  732. setWrapperTranslate(s, plt, newTranslate);
  733. updateActiveIndex(s);
  734. updateClasses(s);
  735. if (s.autoHeight) {
  736. updateAutoHeight(s);
  737. }
  738. }
  739. else {
  740. updateClasses(s);
  741. if ((s.slidesPerView === 'auto' || s.slidesPerView > 1) && s._isEnd && !s.centeredSlides) {
  742. slideChangedBySlideTo = slideTo(s, plt, s._slides.length - 1, 0, false, true);
  743. }
  744. else {
  745. slideChangedBySlideTo = slideTo(s, plt, s._activeIndex, 0, false, true);
  746. }
  747. }
  748. // Return locks after resize
  749. s._allowSwipeToPrev = allowSwipeToPrev;
  750. s._allowSwipeToNext = allowSwipeToNext;
  751. }
  752. //# sourceMappingURL=swiper-events.js.map