angular-gallery
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Responsive gallery for Angular with touch screen support.
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JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/core'), require('@angular/common'), require('rxjs')) :
typeof define === 'function' && define.amd ? define('angular-gallery', ['exports', '@angular/core', '@angular/common', 'rxjs'], factory) :
(global = global || self, factory(global['angular-gallery'] = {}, global.ng.core, global.ng.common, global.rxjs));
}(this, (function (exports, core, common, rxjs) { 'use strict';
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
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var Touches = /** @class */ (function () {
function Touches(properties) {
var _this = this;
this.eventType = undefined;
this.handlers = {};
this.startX = 0;
this.startY = 0;
this.lastTap = 0;
this.doubleTapMinTimeout = 300;
this.tapMinTimeout = 200;
this.touchstartTime = 0;
this.i = 0;
this.isMousedown = false;
this.touchListeners = {
"touchstart": "handleTouchstart",
"touchmove": "handleTouchmove",
"touchend": "handleTouchend"
};
this.mouseListeners = {
"mousedown": "handleMousedown",
"mousemove": "handleMousemove",
"mouseup": "handleMouseup",
"wheel": "handleWheel"
};
this.otherListeners = {
"resize": "handleResize"
};
/*
* Listeners
*/
/* Touchstart */
this.handleTouchstart = function (event) {
_this.elementPosition = _this.getElementPosition();
_this.touchstartTime = new Date().getTime();
if (_this.eventType === undefined) {
_this.getTouchstartPosition(event);
}
_this.runHandler("touchstart", event);
};
/* Touchmove */
this.handleTouchmove = function (event) {
var touches = event.touches;
// Pan
if (_this.detectPan(touches)) {
_this.runHandler("pan", event);
}
// Pinch
if (_this.detectPinch(event)) {
_this.runHandler("pinch", event);
}
// Linear swipe
switch (_this.detectLinearSwipe(event)) {
case "horizontal-swipe":
event.swipeType = "horizontal-swipe";
_this.runHandler("horizontal-swipe", event);
break;
case "vertical-swipe":
event.swipeType = "vertical-swipe";
_this.runHandler("vertical-swipe", event);
break;
}
// Linear swipe
if (_this.detectLinearSwipe(event) ||
_this.eventType === 'horizontal-swipe' ||
_this.eventType === 'vertical-swipe') {
_this.handleLinearSwipe(event);
}
};
/* Touchend */
this.handleTouchend = function (event) {
var touches = event.touches;
// Double Tap
if (_this.detectDoubleTap()) {
_this.runHandler("double-tap", event);
}
// Tap
_this.detectTap();
_this.runHandler("touchend", event);
_this.eventType = 'touchend';
if (touches && touches.length === 0) {
_this.eventType = undefined;
_this.i = 0;
}
};
/* Mousedown */
this.handleMousedown = function (event) {
_this.isMousedown = true;
_this.elementPosition = _this.getElementPosition();
_this.touchstartTime = new Date().getTime();
if (_this.eventType === undefined) {
_this.getMousedownPosition(event);
}
_this.runHandler("mousedown", event);
};
/* Mousemove */
this.handleMousemove = function (event) {
//event.preventDefault();
if (!_this.isMousedown) {
return;
}
// Pan
_this.runHandler("pan", event);
// Linear swipe
switch (_this.detectLinearSwipe(event)) {
case "horizontal-swipe":
event.swipeType = "horizontal-swipe";
_this.runHandler("horizontal-swipe", event);
break;
case "vertical-swipe":
event.swipeType = "vertical-swipe";
_this.runHandler("vertical-swipe", event);
break;
}
// Linear swipe
if (_this.detectLinearSwipe(event) ||
_this.eventType === 'horizontal-swipe' ||
_this.eventType === 'vertical-swipe') {
_this.handleLinearSwipe(event);
}
};
/* Mouseup */
this.handleMouseup = function (event) {
// Tap
_this.detectTap();
_this.isMousedown = false;
_this.runHandler("mouseup", event);
_this.eventType = undefined;
_this.i = 0;
};
/* Wheel */
this.handleWheel = function (event) {
_this.runHandler("wheel", event);
};
/* Resize */
this.handleResize = function (event) {
_this.runHandler("resize", event);
};
this.properties = properties;
this.element = this.properties.element;
this.elementPosition = this.getElementPosition();
this.toggleEventListeners('addEventListener');
}
Touches.prototype.destroy = function () {
this.toggleEventListeners('removeEventListener');
};
Touches.prototype.toggleEventListeners = function (action) {
var listeners;
if (this.properties.listeners === 'mouse and touch') {
listeners = Object.assign(this.touchListeners, this.mouseListeners);
}
else {
listeners = this.detectTouchScreen() ? this.touchListeners : this.mouseListeners;
}
if (this.properties.resize) {
listeners = Object.assign(listeners, this.otherListeners);
}
for (var listener in listeners) {
var handler = listeners[listener];
// Window
if (listener === "resize") {
if (action === 'addEventListener') {
window.addEventListener(listener, this[handler], false);
}
if (action === 'removeEventListener') {
window.removeEventListener(listener, this[handler], false);
}
// Document
}
else if (listener === 'mouseup' || listener === "mousemove") {
if (action === 'addEventListener') {
document.addEventListener(listener, this[handler], false);
}
if (action === 'removeEventListener') {
document.removeEventListener(listener, this[handler], false);
}
// Element
}
else {
if (action === 'addEventListener') {
this.element.addEventListener(listener, this[handler], false);
}
if (action === 'removeEventListener') {
this.element.removeEventListener(listener, this[handler], false);
}
}
}
};
Touches.prototype.handleLinearSwipe = function (event) {
//event.preventDefault();
this.i++;
if (this.i > 3) {
this.eventType = this.getLinearSwipeType(event);
}
if (this.eventType === 'horizontal-swipe') {
this.runHandler('horizontal-swipe', event);
}
if (this.eventType === 'vertical-swipe') {
this.runHandler('vertical-swipe', event);
}
};
Touches.prototype.runHandler = function (eventName, response) {
if (this.handlers[eventName]) {
this.handlers[eventName](response);
}
};
/*
* Detection
*/
Touches.prototype.detectPan = function (touches) {
return touches.length === 1 && !this.eventType || this.eventType === 'pan';
};
Touches.prototype.detectDoubleTap = function () {
var _this = this;
if (this.eventType != undefined) {
return;
}
var currentTime = new Date().getTime();
var tapLength = currentTime - this.lastTap;
clearTimeout(this.doubleTapTimeout);
if (tapLength < this.doubleTapMinTimeout && tapLength > 0) {
return true;
}
else {
this.doubleTapTimeout = setTimeout(function () {
clearTimeout(_this.doubleTapTimeout);
}, this.doubleTapMinTimeout);
}
this.lastTap = currentTime;
};
Touches.prototype.detectTap = function () {
if (this.eventType != undefined) {
return;
}
var currentTime = new Date().getTime();
var tapLength = currentTime - this.touchstartTime;
if (tapLength > 0) {
if (tapLength < this.tapMinTimeout) {
this.runHandler("tap", event);
}
else {
this.runHandler("longtap", event);
}
}
};
Touches.prototype.detectPinch = function (event) {
var touches = event.touches;
return (touches.length === 2 && this.eventType === undefined) || this.eventType === 'pinch';
};
Touches.prototype.detectLinearSwipe = function (event) {
var touches = event.touches;
if (touches) {
if (touches.length === 1 && !this.eventType || this.eventType === 'horizontal-swipe' || this.eventType === 'vertical-swipe') {
return this.getLinearSwipeType(event);
}
}
else {
if (!this.eventType || this.eventType === 'horizontal-swipe' || this.eventType === 'vertical-swipe') {
return this.getLinearSwipeType(event);
}
}
};
Touches.prototype.getLinearSwipeType = function (event) {
if (this.eventType !== 'horizontal-swipe' && this.eventType !== 'vertical-swipe') {
var movementX = Math.abs(this.moveLeft(0, event) - this.startX);
var movementY = Math.abs(this.moveTop(0, event) - this.startY);
if ((movementY * 3) > movementX) {
return 'vertical-swipe';
}
else {
return 'horizontal-swipe';
}
}
else {
return this.eventType;
}
};
Touches.prototype.getElementPosition = function () {
return this.element.getBoundingClientRect();
};
Touches.prototype.getTouchstartPosition = function (event) {
this.startX = event.touches[0].clientX - this.elementPosition.left;
this.startY = event.touches[0].clientY - this.elementPosition.top;
};
Touches.prototype.getMousedownPosition = function (event) {
this.startX = event.clientX - this.elementPosition.left;
this.startY = event.clientY - this.elementPosition.top;
};
Touches.prototype.moveLeft = function (index, event) {
var touches = event.touches;
if (touches) {
return touches[index].clientX - this.elementPosition.left;
}
else {
return event.clientX - this.elementPosition.left;
}
};
Touches.prototype.moveTop = function (index, event) {
var touches = event.touches;
if (touches) {
return touches[index].clientY - this.elementPosition.top;
}
else {
return event.clientY - this.elementPosition.top;
}
};
Touches.prototype.detectTouchScreen = function () {
var prefixes = ' -webkit- -moz- -o- -ms- '.split(' ');
var mq = function (query) {
return window.matchMedia(query).matches;
};
if (('ontouchstart' in window)) {
return true;
}
// include the 'heartz' as a way to have a non matching MQ to help terminate the join
// https://git.io/vznFH
var query = ['(', prefixes.join('touch-enabled),('), 'heartz', ')'].join('');
return mq(query);
};
/* Public properties and methods */
Touches.prototype.on = function (event, handler) {
if (event) {
this.handlers[event] = handler;
}
};
return Touches;
}());
var Carousel = /** @class */ (function () {
function Carousel(properties) {
var _this = this;
this.initialPositionX = 0;
this.newContainerPositionIndex = 0; // The index of the new position relative to the active index, for example -1 or +1
this.preliminarySlideCounter = 0;
this.slideCounter = 0; // Scrolling Index (counter)
this.previousSlideCounter = 0;
this.isContentImages = true;
this.isLazyLoad = true;
this.isContainerLocked = false;
this.alignCells = "left";
this.initialContainerPosition = 0;
this.handleTouchstart = function (event) {
_this.isTouchstart = true;
if (_this.isSlideInProgress) {
return;
}
var touches = event.touches;
if (touches) {
_this.startX = touches[0].clientX - _this.getCarouselElementPosition()['left'];
}
else {
_this.startX = event.clientX - _this.getCarouselElementPosition()['left'];
}
_this.containerInitialPositionX = _this.getElementPosition()['left'] - _this.getCarouselElementPosition()['left'];
_this.isMoveInProgress = true;
};
this.handleHorizontalSwipe = function (event) {
if (_this.isSlideInProgress) {
return;
}
var touches = event.touches;
if (touches) {
_this.moveX = touches[0].clientX - _this.getCarouselElementPosition()['left'];
}
else {
_this.moveX = event.clientX - _this.getCarouselElementPosition()['left'];
}
_this.distanceAbs = _this.getDistanceAbs();
_this.direction = _this.getDirection();
_this.moveContainer();
};
this.handleTouchend = function (event) {
if (_this.isSlideInProgress || !_this.isTouchstart) {
_this.isTouchstart = false;
return;
}
_this.isMoveInProgress = false;
if (_this.detectSlide()) {
_this.handleSlide();
}
else {
_this.newContainerPositionIndex = 0;
_this.alignContainer();
}
_this.startX = _this.moveX = _this.distanceAbs = undefined;
_this.isTouchstart = false;
};
this.element = properties.element;
this.properties = properties;
this.cells = this.element.children;
this.visibleWidth = this.properties.visibleWidth || this.element.parentElement.clientWidth;
this.setContainerWidth();
this.alignContainer(0);
}
Object.defineProperty(Carousel.prototype, "isFirstCell", {
get: function () {
return this.slideCounter === 0;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "lastCellIndex", {
get: function () {
return this.images.length ? (this.images.length - 1) : (this.cells.length - 1);
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "overflowCellsLimit", {
get: function () {
return this.properties.overflowCellsLimit;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "cellLimit", {
get: function () {
return this.visibleCellsCount + this.overflowCellsLimit * 2;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "images", {
get: function () {
return this.properties.images;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "margin", {
get: function () {
return this.properties.margin;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "minSwipeDistance", {
get: function () {
return this.properties.minSwipeDistance;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "transitionDuration", {
get: function () {
return this.properties.transitionDuration;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "transitionTimingFunction", {
get: function () {
return this.properties.transitionTimingFunction;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "fullCellWidth", {
get: function () {
return this.properties.cellWidth + this.margin;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "visibleCellsCount", {
get: function () {
return Math.ceil(this.visibleWidth / this.fullCellWidth);
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "lapCounter", {
get: function () {
return Math.floor(this.slideCounter / this.totalContainerCellsCount);
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carousel.prototype, "visibleCellsOverflowContainer", {
get: function () {
return (this.visibleCellsCount * this.fullCellWidth - this.margin) > this.visibleWidth;
},
enumerable: true,
configurable: true
});
/* Move */
Carousel.prototype.moveContainer = function () {
var positionX = this.getMovePositionX();
this.transformPositionX(positionX, 0);
};
Carousel.prototype.getMovePositionX = function () {
var distance = this.getDistance();
return this.containerInitialPositionX - distance;
};
/* Align */
Carousel.prototype.alignContainer = function (duration) {
if (duration === void 0) { duration = this.transitionDuration; }
var positionX = this.getContainerPosition();
this.transformPositionX(positionX, duration);
this.setInitialContainerPosition(positionX);
};
Carousel.prototype.getContainerPosition = function () {
var correction = this.getContainerPositionCorrection();
this.isContainerPositionCorrection = correction != 0;
return (this.initialContainerPosition + this.newContainerPositionIndex * this.fullCellWidth) + correction;
};
Carousel.prototype.setInitialContainerPosition = function (position) {
var correction = this.getContainerPositionCorrection();
this.initialContainerPosition = position - correction;
};
Carousel.prototype.getContainerPositionCorrection = function () {
var correction = 0;
if ((this.images.length - this.preliminarySlideCounter) < this.visibleCellsCount || this.isSlideLengthLimited) {
if (this.visibleWidth < this.totalContainerCellsCount * this.fullCellWidth) {
correction = -(this.visibleCellsCount * this.fullCellWidth - this.visibleWidth - this.margin);
}
if (correction >= -this.margin) {
correction = 0;
}
}
return correction;
};
/* Quickly center */
Carousel.prototype.quicklyPositionContainer = function () {
var correction = this.getContainerPositionCorrection();
var initialPosition = this.getNewContainerPosition() + correction;
this.transformPositionX(initialPosition, 0);
this.setInitialContainerPosition(initialPosition);
};
Carousel.prototype.getNewContainerPosition = function () {
if (this.slideCounter > this.overflowCellsLimit) {
if (this.alignCells === "left") {
this.lineUpCells();
return -(this.overflowCellsLimit * this.fullCellWidth);
}
}
if (this.slideCounter <= this.overflowCellsLimit) {
if (this.previousSlideCounter > this.overflowCellsLimit) {
this.lineUpCells();
}
return -(this.slideCounter * this.fullCellWidth);
}
};
Carousel.prototype.setContainerWidth = function () {
var containerWidth = this.getContainerWidth();
this.element.style.width = containerWidth + "px";
};
Carousel.prototype.getContainerWidth = function () {
this.totalContainerCellsCount = this.visibleCellsCount + this.overflowCellsLimit * 2;
var containerWidth = this.totalContainerCellsCount * this.fullCellWidth;
var totalImageWidth = this.images.length * this.fullCellWidth;
if (totalImageWidth < containerWidth) {
containerWidth = totalImageWidth;
}
return containerWidth;
};
Carousel.prototype.getFile = function (cellIndex) {
var imageIndex = this.getFileIndex(cellIndex);
var file = this.images[imageIndex];
if (file && !file.type) {
file.type = 'image';
}
return {
image: this.images[imageIndex],
imageIndex: imageIndex
};
};
Carousel.prototype.getFileIndex = function (cellIndex) {
var positionIndex = this.getPositionIndex(cellIndex);
var numberLeftCells = (this.totalContainerCellsCount - 1) / 2;
var imageIndex;
if (!this.isContainerLocked) {
if (this.slideCounter <= this.overflowCellsLimit) {
return cellIndex;
}
else {
var cellLimitOverflow = this.slideCounter - this.overflowCellsLimit;
imageIndex = positionIndex + cellLimitOverflow;
return imageIndex;
}
}
if (this.alignCells === "left") {
if (this.slideCounter > this.overflowCellsLimit) {
var cellLimitOverflow = this.slideCounter - this.overflowCellsLimit;
imageIndex = positionIndex + cellLimitOverflow;
}
else {
imageIndex = cellIndex;
}
}
if (imageIndex > this.lastCellIndex) {
return false;
}
return imageIndex;
};
Carousel.prototype.transformPositionX = function (value, duration) {
if (duration === void 0) { duration = this.transitionDuration; }
this.element.style.transition = 'transform ' + duration + 'ms ' + this.transitionTimingFunction;
this.element.style.transform = 'translateX(' + value + 'px)';
};
Carousel.prototype.detectSlide = function () {
return this.distanceAbs >= this.minSwipeDistance;
};
Carousel.prototype.next = function () {
if (this.isSlideInProgress) {
return;
}
this.direction = 'left';
this.handleSlide(1);
};
Carousel.prototype.prev = function () {
if (this.isSlideInProgress) {
return;
}
this.direction = 'right';
this.handleSlide(1);
};
Carousel.prototype.select = function (index) {
this.slideCounter = index;
this.quicklyPositionContainer();
};
Carousel.prototype.handleSlide = function (slideLength) {
if (slideLength === void 0) { slideLength = undefined; }
this.slideLength = this.getSlideLength();
this.slideLength = slideLength ? slideLength : this.limitSlideLength(this.slideLength);
if (this.direction === 'left' && !this.isSlideInProgress) {
this.preliminarySlideCounter = this.slideCounter + this.slideLength;
if (!this.detectLastSlide(this.slideCounter + this.slideLength)) {
this.newContainerPositionIndex = this.newContainerPositionIndex - this.slideLength;
this.isSlideInProgress = true;
if (this.isLazyLoad) {
this.isContainerLocked = this.preliminarySlideCounter > this.overflowCellsLimit;
if (this.detectContainerUnlock()) {
this.isContainerLocked = false;
}
}
}
}
if (this.direction === 'right' && !this.isSlideInProgress) {
if (this.slideCounter - this.slideLength < 0) {
this.slideLength = this.slideCounter;
}
this.preliminarySlideCounter = this.slideCounter - this.slideLength;
if (!this.isFirstCell) {
this.newContainerPositionIndex = this.newContainerPositionIndex + this.slideLength;
this.isSlideInProgress = true;
if (this.isLazyLoad) {
if (this.preliminarySlideCounter > this.overflowCellsLimit) {
this.isContainerLocked = true;
}
else {
this.isContainerLocked = false;
}
if (this.detectContainerUnlock()) {
this.isContainerLocked = false;
}
}
}
}
this.alignContainer();
};
Carousel.prototype.getSlideLength = function () {
var correction = this.getContainerPositionCorrection();
var length = Math.floor((this.distanceAbs + correction) / this.fullCellWidth);
if (this.distanceAbs % this.fullCellWidth >= this.minSwipeDistance) {
length++;
}
return length;
};
Carousel.prototype.limitSlideLength = function (slideLength) {
if (slideLength > 1) {
for (var i = 0; i < slideLength; i++) {
var newSlideCounter = this.slideCounter + (slideLength - i);
if (!this.detectLastSlide(newSlideCounter)) {
slideLength = slideLength - i;
this.isSlideLengthLimited = i > 0;
break;
}
}
}
return slideLength;
};
Carousel.prototype.detectLastSlide = function (slideCounter) {
return (this.images.length - slideCounter) < this.visibleCellsCount;
};
Carousel.prototype.isNextArrowDisabled = function () {
if (this.visibleCellsOverflowContainer) {
return this.detectLastSlide(this.slideCounter + 1) && this.isContainerPositionCorrection;
}
else {
return this.detectLastSlide(this.slideCounter + 1);
}
};
Carousel.prototype.isPrevArrowDisabled = function () {
return this.slideCounter === 0;
};
Carousel.prototype.detectContainerUnlock = function () {
return (this.images.length - this.preliminarySlideCounter) < (this.visibleCellsCount + this.overflowCellsLimit);
};
Carousel.prototype.handleSlideEnd = function () {
if (this.isSlideInProgress) {
this.transformSlideEnd();
this.isSlideInProgress = false;
this.newContainerPositionIndex = 0;
this.isSlideLengthLimited = undefined;
}
};
Carousel.prototype.transformSlideEnd = function () {
if (this.isLazyLoad) {
this.setSlideCounter();
this.quicklyPositionContainer();
}
this.previousSlideCounter = this.slideCounter;
};
Carousel.prototype.setSlideCounter = function () {
if (this.direction === 'left') {
this.slideCounter = this.slideCounter + this.slideLength;
}
if (this.direction === 'right') {
this.slideCounter = this.slideCounter - this.slideLength;
}
this.direction = undefined;
this.slideLength = 0;
};
Carousel.prototype.resetTransition = function () {
this.element.style.transition = '';
};
Carousel.prototype.getElementPosition = function () {
return this.element.getBoundingClientRect();
};
Carousel.prototype.getCarouselElementPosition = function () {
return this.properties.container.getBoundingClientRect();
};
Carousel.prototype.getDistance = function () {
return this.startX - this.moveX;
};
Carousel.prototype.getDistanceAbs = function () {
return Math.abs(this.startX - this.moveX);
};
Carousel.prototype.getDirection = function () {
var direction = Math.sign(this.startX - this.moveX);
if (direction === -1) {
return 'right';
}
if (direction === 1) {
return 'left';
}
};
Carousel.prototype.lineUpCells = function () {
var cells = this.element.children;
for (var i = 0; i < cells.length; i++) {
var cell = cells[i];
var positionX = this.getCellPositionX(i);
cell.style.transform = 'translateX(' + positionX + 'px)';
}
;
};
Carousel.prototype.getCellPositionX = function (index) {
var positionIndex = this.getPositionIndex(index);
return positionIndex * this.fullCellWidth;
};
Carousel.prototype.getPositionIndex = function (cellIndex) {
var slideCounter = this.slideCounter - this.overflowCellsLimit;
var positionIndex;
if (slideCounter > this.totalContainerCellsCount) {
slideCounter = slideCounter % this.totalContainerCellsCount;
}
if (slideCounter < 0) {
return cellIndex;
}
else {
positionIndex = cellIndex - slideCounter;
if (positionIndex < 0) {
positionIndex = this.totalContainerCellsCount + positionIndex;
}
}
return positionIndex;
};
Object.defineProperty(Carousel.prototype, "containerOverflowRightCount", {
get: function () {
var totalOverflowCellsCount = this.images.length - this.totalContainerCellsCount;
var overflowRight = 0;
if (totalOverflowCellsCount > 0) {
overflowRight = totalOverflowCellsCount - (this.previousSlideCounter - this.overflowCellsLimit);
if (overflowRight > 0) {
return overflowRight;
}
}
return overflowRight;
},
enumerable: true,
configurable: true
});
Carousel.prototype.getCenterPositionIndex = function () {
return (this.totalContainerCellsCount - 1) / 2;
};
return Carousel;
}());
var EventService = /** @class */ (function () {
function EventService() {
this.emitter = new rxjs.ReplaySubject(1);
}
EventService.prototype.emitChangeEvent = function (data) {
this.emitter.next(data);
};
EventService = __decorate([
core.Injectable()
], EventService);
return EventService;
}());
var CarouselComponent = /** @class */ (function () {
function CarouselComponent(elementRef, ref, overlayEventService) {
var _this = this;
this.elementRef = elementRef;
this.ref = ref;
this.overlayEventService = overlayEventService;
this.minTimeout = 30;
this._cellWidth = 200;
this._transitionDuration = 200;
this.events = new core.EventEmitter();
this.height = 200;
this.margin = 10;
this.objectFit = 'cover';
this.minSwipeDistance = 50;
this.transitionTimingFunction = 'ease';
this.counterSeparator = " / ";
this.overflowCellsLimit = 3;
this.listeners = 'mouse and touch';
this.arrows = true;
this.arrowsTheme = 'light';
this.hostClassCarousel = true;
/* Touchstart */
this.handleTouchstart = function (event) {
event.preventDefault();
_this.carousel.handleTouchstart(event);
_this.isMoving = true;
_this.events.emit({
type: 'touchstart',
event: event
});
};
/* Touchmove */
this.handleHorizontalSwipe = function (event) {
event.preventDefault();
_this.carousel.handleHorizontalSwipe(event);
_this.events.emit({
type: 'swipe',
event: event
});
};
/* Touchend */
this.handleTouchend = function (event) {
var touches = event.touches;
_this.carousel.handleTouchend(event);
_this.isMoving = false;
_this.events.emit({
type: 'touchend',
event: event
});
};
/* Tap */
this.handleTap = function (event) {
var i = _this.carousel.slideCounter;
var cellIndex = _this.carousel.currentCellIndex;
var fileIndex = _this.carousel.getFileIndex(i);
var file = _this.carousel.getFile(cellIndex);
_this.events.emit({
type: 'click',
file: file,
index: fileIndex
});
};
}
Object.defineProperty(CarouselComponent.prototype, "isLandscape", {
get: function () {
return window.innerWidth > window.innerHeight;
},
enumerable: true,
configurable: true
});
Object.defineProperty(CarouselComponent.prototype, "isSafari", {
get: function () {
var ua = navigator.userAgent.toLowerCase();
if (ua.indexOf('safari') !== -1) {
return !(ua.indexOf('chrome') > -1);
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(CarouselComponent.prototype, "counter", {
get: function () {
return this.carousel.slideCounter + 1 + this.counterSeparator + this.images.length;
},
enumerable: true,
configurable: true
});
Object.defineProperty(CarouselComponent.prototype, "images", {
get: function () {
return this._images;
},
set: function (images) {
this._images = images;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Carou