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- var __extends = (this && this.__extends) || (function () {
- var extendStatics = Object.setPrototypeOf ||
- ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
- function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
- return function (d, b) {
- extendStatics(d, b);
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
- })();
- import { swipeShouldReset } from '../util/util';
- import { GESTURE_GO_BACK_SWIPE, GESTURE_PRIORITY_GO_BACK_SWIPE } from '../gestures/gesture-controller';
- import { SlideEdgeGesture } from '../gestures/slide-edge-gesture';
- /**
- * @hidden
- */
- var SwipeBackGesture = (function (_super) {
- __extends(SwipeBackGesture, _super);
- function SwipeBackGesture(plt, _nav, gestureCtlr, domCtrl) {
- var _this = _super.call(this, plt, plt.doc().body, {
- direction: 'x',
- edge: 'start',
- maxEdgeStart: 75,
- threshold: 5,
- zone: false,
- domController: domCtrl,
- gesture: gestureCtlr.createGesture({
- name: GESTURE_GO_BACK_SWIPE,
- priority: GESTURE_PRIORITY_GO_BACK_SWIPE,
- disableScroll: true
- })
- }) || this;
- _this._nav = _nav;
- return _this;
- }
- SwipeBackGesture.prototype.canStart = function (ev) {
- // the gesture swipe angle must be mainly horizontal and the
- // gesture distance would be relatively short for a swipe back
- // and swipe back must be possible on this nav controller
- return (this._nav.canSwipeBack() &&
- _super.prototype.canStart.call(this, ev));
- };
- SwipeBackGesture.prototype.onSlideBeforeStart = function (_ev) {
- this._nav.swipeBackStart();
- };
- SwipeBackGesture.prototype.onSlide = function (slide, ev) {
- ev.preventDefault();
- ev.stopPropagation();
- var stepValue = (slide.distance / slide.max);
- this._nav.swipeBackProgress(stepValue);
- };
- SwipeBackGesture.prototype.onSlideEnd = function (slide, _ev) {
- var velocity = slide.velocity;
- var currentStepValue = (slide.distance / slide.max);
- var isResetDirecction = velocity < 0;
- var isMovingFast = Math.abs(slide.velocity) > 0.4;
- var isInResetZone = Math.abs(slide.delta) < Math.abs(slide.max) * 0.5;
- var shouldComplete = !swipeShouldReset(isResetDirecction, isMovingFast, isInResetZone);
- this._nav.swipeBackEnd(shouldComplete, currentStepValue, velocity);
- };
- return SwipeBackGesture;
- }(SlideEdgeGesture));
- export { SwipeBackGesture };
- //# sourceMappingURL=swipe-back.js.map
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