import * as _angular_core from '@angular/core';
import { AfterViewInit, OnChanges, ElementRef, SimpleChanges } from '@angular/core';
import * as i2 from '@angular/common';

interface NcGalleriaImage {
    src: string;
    title?: string;
}
type NcObjectFitType = 'contain' | 'cover' | 'fill';
type NcIndicatorsPositionType = 'inside' | 'outside';
type NcNavButtonsDisplayType = 'hover' | 'always';
type NcFullscreenButtonDisplayType = 'hover' | 'always' | 'hidden';
declare class GalleriaComponent implements AfterViewInit, OnChanges {
    /** 图片数组 */
    ncImages: _angular_core.InputSignalWithTransform<NcGalleriaImage[], string[] | NcGalleriaImage[] | null | undefined>;
    /** 组件宽度 */
    ncWidth: _angular_core.InputSignal<string>;
    /** 组件高度 */
    ncHeight: _angular_core.InputSignal<string>;
    /** 缩略图宽度 */
    ncThumbnailWidth: _angular_core.InputSignal<number>;
    /** 缩略图高度 */
    ncThumbnailHeight: _angular_core.InputSignal<number>;
    /** 图片适应方式 */
    ncObjectFit: _angular_core.InputSignal<NcObjectFitType>;
    /** 自动播放 */
    ncAutoPlay: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 自动播放间隔 */
    ncAutoPlayInterval: _angular_core.InputSignal<number>;
    /** 显示缩略图 */
    ncShowThumbnails: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 显示指示器 */
    ncShowIndicators: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 指示器显示位置 */
    ncIndicatorsPosition: _angular_core.InputSignal<NcIndicatorsPositionType>;
    /** 显示导航按钮 */
    ncShowNavButtons: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 导航按钮显示方式 */
    ncNavButtonsDisplay: _angular_core.InputSignal<NcNavButtonsDisplayType>;
    /** 启用全屏预览 */
    ncEnableFullscreen: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 全屏按钮显示方式 */
    ncFullscreenButtonDisplay: _angular_core.InputSignal<NcFullscreenButtonDisplayType>;
    /** 显示图片数目 */
    ncShowIndex: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 显示图片标题 */
    ncShowTitle: _angular_core.InputSignalWithTransform<boolean, unknown>;
    /** 滚轮缩放 */
    ncWheelScale: _angular_core.InputSignalWithTransform<boolean, unknown>;
    currentIndex: number;
    thumbnailStartIndex: number;
    thumbnailTransform: number;
    isFullscreen: boolean;
    isFullscreenAutoPlaying: boolean;
    private autoPlayTimer;
    fullscreenScale: number;
    fullscreenTranslateX: number;
    fullscreenTranslateY: number;
    private minScale;
    private maxScale;
    private isDragging;
    private lastMouseX;
    private lastMouseY;
    galleriaContainer?: ElementRef<HTMLElement>;
    private actualContainerWidth;
    private resizeTimeout;
    private initTimeout;
    private removeResizeListener;
    private bodyStyleSnapshot;
    private readonly document;
    private readonly destroyRef;
    private readonly renderer;
    private readonly cdr;
    constructor();
    get thumbnailActualWidth(): number;
    get actualVisibleThumbnailCount(): number;
    get shouldCenterThumbnails(): boolean;
    private getMaxThumbnailScroll;
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    startInit(): void;
    private updateActualContainerWidth;
    init(): void;
    private cleanup;
    selectImage(index: number): void;
    private resetFullscreenZoom;
    previousImage(): void;
    nextImage(): void;
    private updateThumbnailView;
    scrollThumbnailsLeft(): void;
    scrollThumbnailsRight(): void;
    canScrollLeft(): boolean;
    canScrollRight(): boolean;
    private startAutoPlay;
    private stopAutoPlay;
    onMouseEnter(): void;
    onMouseLeave(): void;
    private onWindowResize;
    onKeyboardSelect(event: Event, index: number): void;
    onKeyDown(event: KeyboardEvent): void;
    onImageError(event: Event): void;
    onThumbnailError(event: Event): void;
    private createErrorImageSvg;
    openFullscreen(): void;
    closeFullscreen(): void;
    toggleFullscreenAutoPlay(): void;
    onFullscreenKeyDown(event: KeyboardEvent): void;
    onFullscreenWheel(event: WheelEvent): void;
    onFullscreenMouseDown(event: MouseEvent): void;
    onFullscreenMouseMove(event: MouseEvent): void;
    onFullscreenMouseUp(event: MouseEvent): void;
    private constrainTranslation;
    getFullscreenImageTransform(): string;
    onFullscreenDoubleClick(event: MouseEvent): void;
    private ensureCurrentIndexInRange;
    private saveBodyStyles;
    private restoreBodyCursor;
    private restoreBodyStyles;
    private restoreStyle;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<GalleriaComponent, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<GalleriaComponent, "nc-galleria", never, { "ncImages": { "alias": "ncImages"; "required": false; "isSignal": true; }; "ncWidth": { "alias": "ncWidth"; "required": false; "isSignal": true; }; "ncHeight": { "alias": "ncHeight"; "required": false; "isSignal": true; }; "ncThumbnailWidth": { "alias": "ncThumbnailWidth"; "required": false; "isSignal": true; }; "ncThumbnailHeight": { "alias": "ncThumbnailHeight"; "required": false; "isSignal": true; }; "ncObjectFit": { "alias": "ncObjectFit"; "required": false; "isSignal": true; }; "ncAutoPlay": { "alias": "ncAutoPlay"; "required": false; "isSignal": true; }; "ncAutoPlayInterval": { "alias": "ncAutoPlayInterval"; "required": false; "isSignal": true; }; "ncShowThumbnails": { "alias": "ncShowThumbnails"; "required": false; "isSignal": true; }; "ncShowIndicators": { "alias": "ncShowIndicators"; "required": false; "isSignal": true; }; "ncIndicatorsPosition": { "alias": "ncIndicatorsPosition"; "required": false; "isSignal": true; }; "ncShowNavButtons": { "alias": "ncShowNavButtons"; "required": false; "isSignal": true; }; "ncNavButtonsDisplay": { "alias": "ncNavButtonsDisplay"; "required": false; "isSignal": true; }; "ncEnableFullscreen": { "alias": "ncEnableFullscreen"; "required": false; "isSignal": true; }; "ncFullscreenButtonDisplay": { "alias": "ncFullscreenButtonDisplay"; "required": false; "isSignal": true; }; "ncShowIndex": { "alias": "ncShowIndex"; "required": false; "isSignal": true; }; "ncShowTitle": { "alias": "ncShowTitle"; "required": false; "isSignal": true; }; "ncWheelScale": { "alias": "ncWheelScale"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

declare class NcGalleriaModule {
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<NcGalleriaModule, never>;
    static ɵmod: _angular_core.ɵɵNgModuleDeclaration<NcGalleriaModule, never, [typeof GalleriaComponent, typeof i2.CommonModule], [typeof GalleriaComponent]>;
    static ɵinj: _angular_core.ɵɵInjectorDeclaration<NcGalleriaModule>;
}

export { GalleriaComponent, NcGalleriaModule };
export type { NcFullscreenButtonDisplayType, NcGalleriaImage, NcIndicatorsPositionType, NcNavButtonsDisplayType, NcObjectFitType };