ng-zorro-antd/esm2015/carousel/strategies/base-strategy.js

An enterprise-class UI components based on Ant Design and Angular

/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * @abstract
 */
export class NzCarouselBaseStrategy {
    /**
     * @param {?} carouselComponent
     * @param {?} cdr
     * @param {?} renderer
     */
    constructor(carouselComponent, cdr, renderer) {
        this.cdr = cdr;
        this.renderer = renderer;
        this.carouselComponent = carouselComponent;
    }
    /**
     * @protected
     * @return {?}
     */
    get maxIndex() {
        return this.length - 1;
    }
    /**
     * @protected
     * @return {?}
     */
    get firstEl() {
        return this.contents[0].el;
    }
    /**
     * @protected
     * @return {?}
     */
    get lastEl() {
        return this.contents[this.maxIndex].el;
    }
    /**
     * Initialize dragging sequences.
     * @param {?} contents
     * @return {?}
     */
    withCarouselContents(contents) {
        // TODO: carousel and its contents should be separated.
        /** @type {?} */
        const carousel = (/** @type {?} */ (this.carouselComponent));
        /** @type {?} */
        const 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 {?}
     */
    dragging(_vector) { }
    /**
     * Destroy a scroll strategy.
     * @return {?}
     */
    dispose() { }
    /**
     * @protected
     * @param {?} f
     * @param {?} t
     * @return {?}
     */
    getFromToInBoundary(f, t) {
        /** @type {?} */
        const length = this.maxIndex + 1;
        return { from: (f + length) % length, to: (t + length) % length };
    }
}
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) { };
}
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RoLCB0bzogKHQgKyBsZW5ndGgpICUgbGVuZ3RoIH07XG4gIH1cbn1cbiJdfQ==