(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('@angular/cdk/platform'), require('@angular/common'), require('@angular/core'), require('@angular/cdk/keycodes'), require('ng-zorro-antd/core/config'), require('ng-zorro-antd/core/services'), require('ng-zorro-antd/core/util'), require('rxjs'), require('rxjs/operators')) :
    typeof define === 'function' && define.amd ? define('ng-zorro-antd/carousel', ['exports', '@angular/cdk/platform', '@angular/common', '@angular/core', '@angular/cdk/keycodes', 'ng-zorro-antd/core/config', 'ng-zorro-antd/core/services', 'ng-zorro-antd/core/util', 'rxjs', 'rxjs/operators'], factory) :
    (global = global || self, factory((global['ng-zorro-antd'] = global['ng-zorro-antd'] || {}, global['ng-zorro-antd'].carousel = {}), global.ng.cdk.platform, global.ng.common, global.ng.core, global.ng.cdk.keycodes, global['ng-zorro-antd'].core.config, global['ng-zorro-antd'].core.services, global['ng-zorro-antd'].core.util, global.rxjs, global.rxjs.operators));
}(this, (function (exports, platform, common, core, keycodes, config, services, util, rxjs, operators) { 'use strict';

    /**
     * @fileoverview added by tsickle
     * Generated from: carousel-content.directive.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzCarouselContentDirective = /** @class */ (function () {
        /**
         * @param {?} elementRef
         * @param {?} renderer
         */
        function NzCarouselContentDirective(elementRef, renderer) {
            this.renderer = renderer;
            this._active = false;
            this.el = elementRef.nativeElement;
            this.renderer.addClass(elementRef.nativeElement, 'slick-slide');
        }
        Object.defineProperty(NzCarouselContentDirective.prototype, "isActive", {
            /**
             * @return {?}
             */
            get: function () {
                return this._active;
            },
            /**
             * @param {?} value
             * @return {?}
             */
            set: function (value) {
                this._active = value;
                if (this.isActive) {
                    this.renderer.addClass(this.el, 'slick-active');
                }
                else {
                    this.renderer.removeClass(this.el, 'slick-active');
                }
            },
            enumerable: false,
            configurable: true
        });
        return NzCarouselContentDirective;
    }());
    NzCarouselContentDirective.decorators = [
        { type: core.Directive, args: [{
                    selector: '[nz-carousel-content]',
                    exportAs: 'nzCarouselContent'
                },] }
    ];
    /** @nocollapse */
    NzCarouselContentDirective.ctorParameters = function () { return [
        { type: core.ElementRef },
        { type: core.Renderer2 }
    ]; };
    if (false) {
        /** @type {?} */
        NzCarouselContentDirective.prototype.el;
        /**
         * @type {?}
         * @private
         */
        NzCarouselContentDirective.prototype._active;
        /**
         * @type {?}
         * @private
         */
        NzCarouselContentDirective.prototype.renderer;
    }

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */
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    /**
     * @fileoverview added by tsickle
     * Generated from: strategies/base-strategy.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    /**
     * Use of this source code is governed by an MIT-style license that can be
     * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
     */
    /**
     * @abstract
     */
    var NzCarouselBaseStrategy = /** @class */ (function () {
        /**
         * @param {?} carouselComponent
         * @param {?} cdr
         * @param {?} renderer
         */
        function NzCarouselBaseStrategy(carouselComponent, cdr, renderer) {
            this.cdr = cdr;
            this.renderer = renderer;
            this.carouselComponent = carouselComponent;
        }
        Object.defineProperty(NzCarouselBaseStrategy.prototype, "maxIndex", {
            /**
             * @protected
             * @return {?}
             */
            get: function () {
                return this.length - 1;
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(NzCarouselBaseStrategy.prototype, "firstEl", {
            /**
             * @protected
             * @return {?}
             */
            get: function () {
                return this.contents[0].el;
            },
            enumerable: false,
            configurable: true
        });
        Object.defineProperty(NzCarouselBaseStrategy.prototype, "lastEl", {
            /**
             * @protected
             * @return {?}
             */
            get: function () {
                return this.contents[this.maxIndex].el;
            },
            enumerable: false,
            configurable: true
        });
        /**
         * Initialize dragging sequences.
         * @param {?} contents
         * @return {?}
         */
        NzCarouselBaseStrategy.prototype.withCarouselContents = function (contents) {
            // TODO: carousel and its contents should be separated.
            /** @type {?} */
            var carousel = ( /** @type {?} */(this.carouselComponent));
            /** @type {?} */
            var rect = carousel.el.getBoundingClientRect();
            this.slickListEl = carousel.slickListEl;
            this.slickTrackEl = carousel.slickTrackEl;
            this.unitWidth = rect.width;
            this.unitHeight = rect.height;
            this.contents = contents ? contents.toArray() : [];
            this.length = this.contents.length;
        };
        /**
         * When user drag the carousel component.
         * \@optional
         * @param {?} _vector
         * @return {?}
         */
        NzCarouselBaseStrategy.prototype.dragging = function (_vector) { };
        /**
         * Destroy a scroll strategy.
         * @return {?}
         */
        NzCarouselBaseStrategy.prototype.dispose = function () { };
        /**
         * @protected
         * @param {?} f
         * @param {?} t
         * @return {?}
         */
        NzCarouselBaseStrategy.prototype.getFromToInBoundary = function (f, t) {
            /** @type {?} */
            var length = this.maxIndex + 1;
            return { from: (f + length) % length, to: (t + length) % length };
        };
        return NzCarouselBaseStrategy;
    }());
    if (false) {
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.carouselComponent;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.contents;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.slickListEl;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.slickTrackEl;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.length;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.unitWidth;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.unitHeight;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.cdr;
        /**
         * @type {?}
         * @protected
         */
        NzCarouselBaseStrategy.prototype.renderer;
        /**
         * Trigger transition.
         * @abstract
         * @param {?} _f
         * @param {?} _t
         * @return {?}
         */
        NzCarouselBaseStrategy.prototype.switch = function (_f, _t) { };
    }

    var NzCarouselOpacityStrategy = /** @class */ (function (_super) {
        __extends(NzCarouselOpacityStrategy, _super);
        function NzCarouselOpacityStrategy() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        /**
         * @param {?} contents
         * @return {?}
         */
        NzCarouselOpacityStrategy.prototype.withCarouselContents = function (contents) {
            var _this = this;
            _super.prototype.withCarouselContents.call(this, contents);
            if (this.contents) {
                this.slickTrackEl.style.width = this.length * this.unitWidth + "px";
                this.contents.forEach(( /**
                 * @param {?} content
                 * @param {?} i
                 * @return {?}
                 */function (content, i) {
                    _this.renderer.setStyle(content.el, 'opacity', ( /** @type {?} */(_this.carouselComponent)).activeIndex === i ? '1' : '0');
                    _this.renderer.setStyle(content.el, 'position', 'relative');
                    _this.renderer.setStyle(content.el, 'width', _this.unitWidth + "px");
                    _this.renderer.setStyle(content.el, 'left', -_this.unitWidth * i + "px");
                    _this.renderer.setStyle(content.el, 'transition', ['opacity 500ms ease 0s', 'visibility 500ms ease 0s']);
                }));
            }
        };
        /**
         * @param {?} _f
         * @param {?} _t
         * @return {?}
         */
        NzCarouselOpacityStrategy.prototype.switch = function (_f, _t) {
            var _this = this;
            var t = this.getFromToInBoundary(_f, _t).to;
            /** @type {?} */
            var complete$ = new rxjs.Subject();
            this.contents.forEach(( /**
             * @param {?} content
             * @param {?} i
             * @return {?}
             */function (content, i) {
                _this.renderer.setStyle(content.el, 'opacity', t === i ? '1' : '0');
            }));
            setTimeout(( /**
             * @return {?}
             */function () {
                complete$.next();
                complete$.complete();
            }), ( /** @type {?} */(this.carouselComponent)).nzTransitionSpeed);
            return complete$;
        };
        /**
         * @return {?}
         */
        NzCarouselOpacityStrategy.prototype.dispose = function () {
            var _this = this;
            this.contents.forEach(( /**
             * @param {?} content
             * @return {?}
             */function (content) {
                _this.renderer.setStyle(content.el, 'transition', null);
            }));
            _super.prototype.dispose.call(this);
        };
        return NzCarouselOpacityStrategy;
    }(NzCarouselBaseStrategy));

    var NzCarouselTransformStrategy = /** @class */ (function (_super) {
        __extends(NzCarouselTransformStrategy, _super);
        function NzCarouselTransformStrategy() {
            var _this = _super.apply(this, __spread(arguments)) || this;
            _this.isDragging = false;
            _this.isTransitioning = false;
            return _this;
        }
        Object.defineProperty(NzCarouselTransformStrategy.prototype, "vertical", {
            /**
             * @private
             * @return {?}
             */
            get: function () {
                return ( /** @type {?} */(this.carouselComponent)).vertical;
            },
            enumerable: false,
            configurable: true
        });
        /**
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.dispose = function () {
            _super.prototype.dispose.call(this);
            this.renderer.setStyle(this.slickTrackEl, 'transform', null);
        };
        /**
         * @param {?} contents
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.withCarouselContents = function (contents) {
            var _this = this;
            _super.prototype.withCarouselContents.call(this, contents);
            /** @type {?} */
            var carousel = ( /** @type {?} */(this.carouselComponent));
            /** @type {?} */
            var activeIndex = carousel.activeIndex;
            if (this.contents.length) {
                this.renderer.setStyle(this.slickListEl, 'height', this.unitHeight + "px");
                if (this.vertical) {
                    this.renderer.setStyle(this.slickTrackEl, 'width', this.unitWidth + "px");
                    this.renderer.setStyle(this.slickTrackEl, 'height', this.length * this.unitHeight + "px");
                    this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(0, " + -activeIndex * this.unitHeight + "px, 0)");
                }
                else {
                    this.renderer.setStyle(this.slickTrackEl, 'height', this.unitHeight + "px");
                    this.renderer.setStyle(this.slickTrackEl, 'width', this.length * this.unitWidth + "px");
                    this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(" + -activeIndex * this.unitWidth + "px, 0, 0)");
                }
                this.contents.forEach(( /**
                 * @param {?} content
                 * @return {?}
                 */function (content) {
                    _this.renderer.setStyle(content.el, 'position', 'relative');
                    _this.renderer.setStyle(content.el, 'width', _this.unitWidth + "px");
                    _this.renderer.setStyle(content.el, 'height', _this.unitHeight + "px");
                }));
            }
        };
        /**
         * @param {?} _f
         * @param {?} _t
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.switch = function (_f, _t) {
            var _this = this;
            var t = this.getFromToInBoundary(_f, _t).to;
            /** @type {?} */
            var complete$ = new rxjs.Subject();
            this.renderer.setStyle(this.slickTrackEl, 'transition', "transform " + ( /** @type {?} */(this.carouselComponent)).nzTransitionSpeed + "ms ease");
            if (this.vertical) {
                this.verticalTransform(_f, _t);
            }
            else {
                this.horizontalTransform(_f, _t);
            }
            this.isTransitioning = true;
            this.isDragging = false;
            setTimeout(( /**
             * @return {?}
             */function () {
                _this.renderer.setStyle(_this.slickTrackEl, 'transition', null);
                _this.contents.forEach(( /**
                 * @param {?} content
                 * @return {?}
                 */function (content) {
                    _this.renderer.setStyle(content.el, _this.vertical ? 'top' : 'left', null);
                }));
                if (_this.vertical) {
                    _this.renderer.setStyle(_this.slickTrackEl, 'transform', "translate3d(0, " + -t * _this.unitHeight + "px, 0)");
                }
                else {
                    _this.renderer.setStyle(_this.slickTrackEl, 'transform', "translate3d(" + -t * _this.unitWidth + "px, 0, 0)");
                }
                _this.isTransitioning = false;
                complete$.next();
                complete$.complete();
            }), ( /** @type {?} */(this.carouselComponent)).nzTransitionSpeed);
            return complete$.asObservable();
        };
        /**
         * @param {?} _vector
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.dragging = function (_vector) {
            if (this.isTransitioning) {
                return;
            }
            /** @type {?} */
            var activeIndex = ( /** @type {?} */(this.carouselComponent)).activeIndex;
            if (( /** @type {?} */(this.carouselComponent)).vertical) {
                if (!this.isDragging && this.length > 2) {
                    if (activeIndex === this.maxIndex) {
                        this.prepareVerticalContext(true);
                    }
                    else if (activeIndex === 0) {
                        this.prepareVerticalContext(false);
                    }
                }
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(0, " + (-activeIndex * this.unitHeight + _vector.x) + "px, 0)");
            }
            else {
                if (!this.isDragging && this.length > 2) {
                    if (activeIndex === this.maxIndex) {
                        this.prepareHorizontalContext(true);
                    }
                    else if (activeIndex === 0) {
                        this.prepareHorizontalContext(false);
                    }
                }
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(" + (-activeIndex * this.unitWidth + _vector.x) + "px, 0, 0)");
            }
            this.isDragging = true;
        };
        /**
         * @private
         * @param {?} _f
         * @param {?} _t
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.verticalTransform = function (_f, _t) {
            var _a = this.getFromToInBoundary(_f, _t), f = _a.from, t = _a.to;
            /** @type {?} */
            var needToAdjust = this.length > 2 && _t !== t;
            if (needToAdjust) {
                this.prepareVerticalContext(t < f);
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(0, " + -_t * this.unitHeight + "px, 0)");
            }
            else {
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(0, " + -t * this.unitHeight + "px, 0");
            }
        };
        /**
         * @private
         * @param {?} _f
         * @param {?} _t
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.horizontalTransform = function (_f, _t) {
            var _a = this.getFromToInBoundary(_f, _t), f = _a.from, t = _a.to;
            /** @type {?} */
            var needToAdjust = this.length > 2 && _t !== t;
            if (needToAdjust) {
                this.prepareHorizontalContext(t < f);
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(" + -_t * this.unitWidth + "px, 0, 0)");
            }
            else {
                this.renderer.setStyle(this.slickTrackEl, 'transform', "translate3d(" + -t * this.unitWidth + "px, 0, 0");
            }
        };
        /**
         * @private
         * @param {?} lastToFirst
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.prepareVerticalContext = function (lastToFirst) {
            if (lastToFirst) {
                this.renderer.setStyle(this.firstEl, 'top', this.length * this.unitHeight + "px");
                this.renderer.setStyle(this.lastEl, 'top', null);
            }
            else {
                this.renderer.setStyle(this.firstEl, 'top', null);
                this.renderer.setStyle(this.lastEl, 'top', -this.unitHeight * this.length + "px");
            }
        };
        /**
         * @private
         * @param {?} lastToFirst
         * @return {?}
         */
        NzCarouselTransformStrategy.prototype.prepareHorizontalContext = function (lastToFirst) {
            if (lastToFirst) {
                this.renderer.setStyle(this.firstEl, 'left', this.length * this.unitWidth + "px");
                this.renderer.setStyle(this.lastEl, 'left', null);
            }
            else {
                this.renderer.setStyle(this.firstEl, 'left', null);
                this.renderer.setStyle(this.lastEl, 'left', -this.unitWidth * this.length + "px");
            }
        };
        return NzCarouselTransformStrategy;
    }(NzCarouselBaseStrategy));
    if (false) {
        /**
         * @type {?}
         * @private
         */
        NzCarouselTransformStrategy.prototype.isDragging;
        /**
         * @type {?}
         * @private
         */
        NzCarouselTransformStrategy.prototype.isTransitioning;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: typings.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    /**
     * @record
     */
    function NzCarouselComponentAsSource() { }
    if (false) {
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.carouselContents;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.el;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.nzTransitionSpeed;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.vertical;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.slickListEl;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.slickTrackEl;
        /** @type {?} */
        NzCarouselComponentAsSource.prototype.activeIndex;
    }
    /**
     * @record
     */
    function NzCarouselStrategyRegistryItem() { }
    if (false) {
        /** @type {?} */
        NzCarouselStrategyRegistryItem.prototype.name;
        /** @type {?} */
        NzCarouselStrategyRegistryItem.prototype.strategy;
    }
    /** @type {?} */
    var NZ_CAROUSEL_CUSTOM_STRATEGIES = new core.InjectionToken('nz-carousel-custom-strategies');
    /**
     * @record
     */
    function PointerVector() { }
    if (false) {
        /** @type {?} */
        PointerVector.prototype.x;
        /** @type {?} */
        PointerVector.prototype.y;
    }
    /**
     * @record
     */
    function FromToInterface() { }
    if (false) {
        /** @type {?} */
        FromToInterface.prototype.from;
        /** @type {?} */
        FromToInterface.prototype.to;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: carousel.component.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    /** @type {?} */
    var NZ_CONFIG_COMPONENT_NAME = 'carousel';
    var NzCarouselComponent = /** @class */ (function () {
        /**
         * @param {?} elementRef
         * @param {?} nzConfigService
         * @param {?} renderer
         * @param {?} cdr
         * @param {?} platform
         * @param {?} resizeService
         * @param {?} nzDragService
         * @param {?} customStrategies
         */
        function NzCarouselComponent(elementRef, nzConfigService, renderer, cdr, platform, resizeService, nzDragService, customStrategies) {
            var _this = this;
            this.nzConfigService = nzConfigService;
            this.renderer = renderer;
            this.cdr = cdr;
            this.platform = platform;
            this.resizeService = resizeService;
            this.nzDragService = nzDragService;
            this.customStrategies = customStrategies;
            this.nzEffect = 'scrollx';
            this.nzEnableSwipe = true;
            this.nzDots = true;
            this.nzAutoPlay = false;
            this.nzAutoPlaySpeed = 3000;
            this.nzTransitionSpeed = 500;
            this._dotPosition = 'bottom';
            this.nzBeforeChange = new core.EventEmitter();
            this.nzAfterChange = new core.EventEmitter();
            this.activeIndex = 0;
            this.vertical = false;
            this.transitionInProgress = null;
            this.destroy$ = new rxjs.Subject();
            this.gestureRect = null;
            this.pointerDelta = null;
            this.isTransiting = false;
            this.isDragging = false;
            /**
             * Drag carousel.
             */
            this.pointerDown = ( /**
             * @param {?} event
             * @return {?}
             */function (event) {
                if (!_this.isDragging && !_this.isTransiting && _this.nzEnableSwipe) {
                    _this.clearScheduledTransition();
                    _this.gestureRect = _this.slickListEl.getBoundingClientRect();
                    _this.nzDragService.requestDraggingSequence(event).subscribe(( /**
                     * @param {?} delta
                     * @return {?}
                     */function (/**
                     * @param {?} delta
                     * @return {?}
                     */ delta) {
                        var _a;
                        _this.pointerDelta = delta;
                        _this.isDragging = true;
                        (_a = _this.strategy) === null || _a === void 0 ? void 0 : _a.dragging(_this.pointerDelta);
                    }), ( /**
                     * @return {?}
                     */function () { }), ( /**
                     * @return {?}
                     */function () {
                        if (_this.nzEnableSwipe && _this.isDragging) {
                            /** @type {?} */
                            var xDelta = _this.pointerDelta ? _this.pointerDelta.x : 0;
                            // Switch to another slide if delta is bigger than third of the width.
                            if (Math.abs(xDelta) > ( /** @type {?} */(_this.gestureRect)).width / 3) {
                                _this.goTo(xDelta > 0 ? _this.activeIndex - 1 : _this.activeIndex + 1);
                            }
                            else {
                                _this.goTo(_this.activeIndex);
                            }
                            _this.gestureRect = null;
                            _this.pointerDelta = null;
                        }
                        _this.isDragging = false;
                    }));
                }
            });
            this.nzDotPosition = 'bottom';
            this.renderer.addClass(elementRef.nativeElement, 'ant-carousel');
            this.el = elementRef.nativeElement;
        }
        Object.defineProperty(NzCarouselComponent.prototype, "nzDotPosition", {
            /**
             * @return {?}
             */
            get: function () {
                return this._dotPosition;
            },
            /**
             * @param {?} value
             * @return {?}
             */
            set: function (value) {
                this._dotPosition = value;
                if (value === 'left' || value === 'right') {
                    this.vertical = true;
                }
                else {
                    this.vertical = false;
                }
            },
            enumerable: false,
            configurable: true
        });
        /**
         * @return {?}
         */
        NzCarouselComponent.prototype.ngAfterContentInit = function () {
            this.markContentActive(0);
        };
        /**
         * @return {?}
         */
        NzCarouselComponent.prototype.ngAfterViewInit = function () {
            var _this = this;
            if (!this.platform.isBrowser) {
                return;
            }
            this.slickListEl = ( /** @type {?} */(this.slickList)).nativeElement;
            this.slickTrackEl = ( /** @type {?} */(this.slickTrack)).nativeElement;
            this.carouselContents.changes.pipe(operators.takeUntil(this.destroy$)).subscribe(( /**
             * @return {?}
             */function () {
                _this.markContentActive(0);
                _this.syncStrategy();
            }));
            this.resizeService
                .subscribe()
                .pipe(operators.takeUntil(this.destroy$))
                .subscribe(( /**
         * @return {?}
         */function () {
                _this.syncStrategy();
            }));
            this.switchStrategy();
            this.markContentActive(0);
            this.syncStrategy();
            // If embedded in an entry component, it may do initial render at a inappropriate time.
            // ngZone.onStable won't do this trick
            Promise.resolve().then(( /**
             * @return {?}
             */function () {
                _this.syncStrategy();
            }));
        };
        /**
         * @param {?} changes
         * @return {?}
         */
        NzCarouselComponent.prototype.ngOnChanges = function (changes) {
            var nzEffect = changes.nzEffect, nzDotPosition = changes.nzDotPosition;
            if (nzEffect && !nzEffect.isFirstChange()) {
                this.switchStrategy();
                this.markContentActive(0);
                this.syncStrategy();
            }
            if (nzDotPosition && !nzDotPosition.isFirstChange()) {
                this.switchStrategy();
                this.markContentActive(0);
                this.syncStrategy();
            }
            if (!this.nzAutoPlay || !this.nzAutoPlaySpeed) {
                this.clearScheduledTransition();
            }
            else {
                this.scheduleNextTransition();
            }
        };
        /**
         * @return {?}
         */
        NzCarouselComponent.prototype.ngOnDestroy = function () {
            this.clearScheduledTransition();
            if (this.strategy) {
                this.strategy.dispose();
            }
            this.destroy$.next();
            this.destroy$.complete();
        };
        /**
         * @param {?} e
         * @return {?}
         */
        NzCarouselComponent.prototype.onKeyDown = function (e) {
            if (e.keyCode === keycodes.LEFT_ARROW) {
                e.preventDefault();
                this.pre();
            }
            else if (e.keyCode === keycodes.RIGHT_ARROW) {
                this.next();
                e.preventDefault();
            }
        };
        /**
         * @return {?}
         */
        NzCarouselComponent.prototype.next = function () {
            this.goTo(this.activeIndex + 1);
        };
        /**
         * @return {?}
         */
        NzCarouselComponent.prototype.pre = function () {
            this.goTo(this.activeIndex - 1);
        };
        /**
         * @param {?} index
         * @return {?}
         */
        NzCarouselComponent.prototype.goTo = function (index) {
            var _this = this;
            if (this.carouselContents && this.carouselContents.length && !this.isTransiting) {
                /** @type {?} */
                var length = this.carouselContents.length;
                /** @type {?} */
                var from = this.activeIndex;
                /** @type {?} */
                var to = (index + length) % length;
                this.isTransiting = true;
                this.nzBeforeChange.emit({ from: from, to: to });
                ( /** @type {?} */(this.strategy)).switch(this.activeIndex, index).subscribe(( /**
                 * @return {?}
                 */function () {
                    _this.scheduleNextTransition();
                    _this.nzAfterChange.emit(index);
                    _this.isTransiting = false;
                }));
                this.markContentActive(to);
                this.cdr.markForCheck();
            }
        };
        /**
         * @private
         * @return {?}
         */
        NzCarouselComponent.prototype.switchStrategy = function () {
            var _this = this;
            if (this.strategy) {
                this.strategy.dispose();
            }
            // Load custom strategies first.
            /** @type {?} */
            var customStrategy = this.customStrategies ? this.customStrategies.find(( /**
             * @param {?} s
             * @return {?}
             */function (/**
             * @param {?} s
             * @return {?}
             */ s) { return s.name === _this.nzEffect; })) : null;
            if (customStrategy) {
                this.strategy = new (( /** @type {?} */(customStrategy.strategy)))(this, this.cdr, this.renderer);
                return;
            }
            this.strategy =
                this.nzEffect === 'scrollx'
                    ? new NzCarouselTransformStrategy(this, this.cdr, this.renderer)
                    : new NzCarouselOpacityStrategy(this, this.cdr, this.renderer);
        };
        /**
         * @private
         * @return {?}
         */
        NzCarouselComponent.prototype.scheduleNextTransition = function () {
            var _this = this;
            this.clearScheduledTransition();
            if (this.nzAutoPlay && this.nzAutoPlaySpeed > 0 && this.platform.isBrowser) {
                this.transitionInProgress = setTimeout(( /**
                 * @return {?}
                 */function () {
                    _this.goTo(_this.activeIndex + 1);
                }), this.nzAutoPlaySpeed);
            }
        };
        /**
         * @private
         * @return {?}
         */
        NzCarouselComponent.prototype.clearScheduledTransition = function () {
            if (this.transitionInProgress) {
                clearTimeout(this.transitionInProgress);
                this.transitionInProgress = null;
            }
        };
        /**
         * @private
         * @param {?} index
         * @return {?}
         */
        NzCarouselComponent.prototype.markContentActive = function (index) {
            this.activeIndex = index;
            if (this.carouselContents) {
                this.carouselContents.forEach(( /**
                 * @param {?} slide
                 * @param {?} i
                 * @return {?}
                 */function (slide, i) {
                    slide.isActive = index === i;
                }));
            }
            this.cdr.markForCheck();
        };
        /**
         * @private
         * @return {?}
         */
        NzCarouselComponent.prototype.syncStrategy = function () {
            if (this.strategy) {
                this.strategy.withCarouselContents(this.carouselContents);
            }
        };
        return NzCarouselComponent;
    }());
    NzCarouselComponent.decorators = [
        { type: core.Component, args: [{
                    changeDetection: core.ChangeDetectionStrategy.OnPush,
                    encapsulation: core.ViewEncapsulation.None,
                    selector: 'nz-carousel',
                    exportAs: 'nzCarousel',
                    preserveWhitespaces: false,
                    template: "\n    <div class=\"slick-initialized slick-slider\" [class.slick-vertical]=\"nzDotPosition === 'left' || nzDotPosition === 'right'\">\n      <div\n        #slickList\n        class=\"slick-list\"\n        tabindex=\"-1\"\n        (keydown)=\"onKeyDown($event)\"\n        (mousedown)=\"pointerDown($event)\"\n        (touchstart)=\"pointerDown($event)\"\n      >\n        <!-- Render carousel items. -->\n        <div class=\"slick-track\" #slickTrack>\n          <ng-content></ng-content>\n        </div>\n      </div>\n      <!-- Render dots. -->\n      <ul\n        class=\"slick-dots\"\n        *ngIf=\"nzDots\"\n        [class.slick-dots-top]=\"nzDotPosition === 'top'\"\n        [class.slick-dots-bottom]=\"nzDotPosition === 'bottom'\"\n        [class.slick-dots-left]=\"nzDotPosition === 'left'\"\n        [class.slick-dots-right]=\"nzDotPosition === 'right'\"\n      >\n        <li *ngFor=\"let content of carouselContents; let i = index\" [class.slick-active]=\"content.isActive\" (click)=\"goTo(i)\">\n          <ng-template [ngTemplateOutlet]=\"nzDotRender || renderDotTemplate\" [ngTemplateOutletContext]=\"{ $implicit: i }\"></ng-template>\n        </li>\n      </ul>\n    </div>\n\n    <ng-template #renderDotTemplate let-index>\n      <button>{{ index + 1 }}</button>\n    </ng-template>\n  ",
                    host: {
                        '[class.ant-carousel-vertical]': 'vertical'
                    }
                }] }
    ];
    /** @nocollapse */
    NzCarouselComponent.ctorParameters = function () { return [
        { type: core.ElementRef },
        { type: config.NzConfigService },
        { type: core.Renderer2 },
        { type: core.ChangeDetectorRef },
        { type: platform.Platform },
        { type: services.NzResizeService },
        { type: services.NzDragService },
        { type: Array, decorators: [{ type: core.Optional }, { type: core.Inject, args: [NZ_CAROUSEL_CUSTOM_STRATEGIES,] }] }
    ]; };
    NzCarouselComponent.propDecorators = {
        carouselContents: [{ type: core.ContentChildren, args: [NzCarouselContentDirective,] }],
        slickList: [{ type: core.ViewChild, args: ['slickList', { static: false },] }],
        slickTrack: [{ type: core.ViewChild, args: ['slickTrack', { static: false },] }],
        nzDotRender: [{ type: core.Input }],
        nzEffect: [{ type: core.Input }],
        nzEnableSwipe: [{ type: core.Input }],
        nzDots: [{ type: core.Input }],
        nzAutoPlay: [{ type: core.Input }],
        nzAutoPlaySpeed: [{ type: core.Input }],
        nzTransitionSpeed: [{ type: core.Input }],
        nzDotPosition: [{ type: core.Input }],
        nzBeforeChange: [{ type: core.Output }],
        nzAfterChange: [{ type: core.Output }]
    };
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        __metadata("design:type", String)
    ], NzCarouselComponent.prototype, "nzEffect", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputBoolean(),
        __metadata("design:type", Boolean)
    ], NzCarouselComponent.prototype, "nzEnableSwipe", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputBoolean(),
        __metadata("design:type", Boolean)
    ], NzCarouselComponent.prototype, "nzDots", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputBoolean(),
        __metadata("design:type", Boolean)
    ], NzCarouselComponent.prototype, "nzAutoPlay", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        util.InputNumber(),
        __metadata("design:type", Number)
    ], NzCarouselComponent.prototype, "nzAutoPlaySpeed", void 0);
    __decorate([
        util.InputNumber(),
        __metadata("design:type", Object)
    ], NzCarouselComponent.prototype, "nzTransitionSpeed", void 0);
    __decorate([
        config.WithConfig(NZ_CONFIG_COMPONENT_NAME),
        __metadata("design:type", String),
        __metadata("design:paramtypes", [String])
    ], NzCarouselComponent.prototype, "nzDotPosition", null);
    if (false) {
        /** @type {?} */
        NzCarouselComponent.ngAcceptInputType_nzEnableSwipe;
        /** @type {?} */
        NzCarouselComponent.ngAcceptInputType_nzDots;
        /** @type {?} */
        NzCarouselComponent.ngAcceptInputType_nzAutoPlay;
        /** @type {?} */
        NzCarouselComponent.ngAcceptInputType_nzAutoPlaySpeed;
        /** @type {?} */
        NzCarouselComponent.ngAcceptInputType_nzTransitionSpeed;
        /** @type {?} */
        NzCarouselComponent.prototype.carouselContents;
        /** @type {?} */
        NzCarouselComponent.prototype.slickList;
        /** @type {?} */
        NzCarouselComponent.prototype.slickTrack;
        /** @type {?} */
        NzCarouselComponent.prototype.nzDotRender;
        /** @type {?} */
        NzCarouselComponent.prototype.nzEffect;
        /** @type {?} */
        NzCarouselComponent.prototype.nzEnableSwipe;
        /** @type {?} */
        NzCarouselComponent.prototype.nzDots;
        /** @type {?} */
        NzCarouselComponent.prototype.nzAutoPlay;
        /** @type {?} */
        NzCarouselComponent.prototype.nzAutoPlaySpeed;
        /** @type {?} */
        NzCarouselComponent.prototype.nzTransitionSpeed;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype._dotPosition;
        /** @type {?} */
        NzCarouselComponent.prototype.nzBeforeChange;
        /** @type {?} */
        NzCarouselComponent.prototype.nzAfterChange;
        /** @type {?} */
        NzCarouselComponent.prototype.activeIndex;
        /** @type {?} */
        NzCarouselComponent.prototype.el;
        /** @type {?} */
        NzCarouselComponent.prototype.slickListEl;
        /** @type {?} */
        NzCarouselComponent.prototype.slickTrackEl;
        /** @type {?} */
        NzCarouselComponent.prototype.strategy;
        /** @type {?} */
        NzCarouselComponent.prototype.vertical;
        /** @type {?} */
        NzCarouselComponent.prototype.transitionInProgress;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.destroy$;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.gestureRect;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.pointerDelta;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.isTransiting;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.isDragging;
        /**
         * Drag carousel.
         * @type {?}
         */
        NzCarouselComponent.prototype.pointerDown;
        /** @type {?} */
        NzCarouselComponent.prototype.nzConfigService;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.renderer;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.cdr;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.platform;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.resizeService;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.nzDragService;
        /**
         * @type {?}
         * @private
         */
        NzCarouselComponent.prototype.customStrategies;
    }

    /**
     * @fileoverview added by tsickle
     * Generated from: carousel.module.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */
    var NzCarouselModule = /** @class */ (function () {
        function NzCarouselModule() {
        }
        return NzCarouselModule;
    }());
    NzCarouselModule.decorators = [
        { type: core.NgModule, args: [{
                    declarations: [NzCarouselComponent, NzCarouselContentDirective],
                    exports: [NzCarouselComponent, NzCarouselContentDirective],
                    imports: [common.CommonModule, platform.PlatformModule]
                },] }
    ];

    /**
     * @fileoverview added by tsickle
     * Generated from: public-api.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */

    /**
     * @fileoverview added by tsickle
     * Generated from: ng-zorro-antd-carousel.ts
     * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
     */

    exports.NZ_CAROUSEL_CUSTOM_STRATEGIES = NZ_CAROUSEL_CUSTOM_STRATEGIES;
    exports.NzCarouselBaseStrategy = NzCarouselBaseStrategy;
    exports.NzCarouselComponent = NzCarouselComponent;
    exports.NzCarouselContentDirective = NzCarouselContentDirective;
    exports.NzCarouselModule = NzCarouselModule;

    Object.defineProperty(exports, '__esModule', { value: true });

})));
//# sourceMappingURL=ng-zorro-antd-carousel.umd.js.map
