import { Subject, Observable } from 'rxjs';
import { FormControl } from '@angular/forms';
import * as i0 from '@angular/core';
import { InjectionToken, OnInit, ElementRef, OnChanges, EventEmitter, SimpleChanges, PipeTransform } from '@angular/core';
import { NgScrollbar } from 'ngx-scrollbar';

declare const FONT_PICKER_CONFIG: InjectionToken<unknown>;
interface FontInterface {
    size: string;
    style: string;
    family: string;
    files?: any;
    styles?: string[];
    getStyles?: () => any;
}
interface GoogleFontInterface {
    kind: string;
    family: string;
    category: string;
    files: any[];
    variants: string[];
}
declare class GoogleFontsInterface {
    kind: string;
    items: any[];
}
declare class Font implements FontInterface {
    size: string;
    style: string;
    family: string;
    files: any;
    styles: string[];
    constructor(props?: Partial<FontInterface>);
    getStyles(): any;
}
interface FontPickerConfigInterface {
    apiKey?: string;
}
declare class FontPickerConfig implements FontPickerConfigInterface {
    apiKey?: string;
    constructor(config?: Partial<FontPickerConfigInterface>);
    assign(config?: Partial<FontPickerConfigInterface>): void;
}

declare class FontPickerComponent implements OnInit {
    private cdRef;
    private elRef;
    private service;
    private document;
    private readonly window;
    private initialFont;
    private testWidth;
    private testContainer;
    private autoWidth;
    private listenerResize;
    private listenerMouseDown;
    private directiveInstance;
    private directiveElementRef;
    private useRootViewContainer;
    font: Font;
    open: boolean;
    loading: boolean;
    top: number;
    left: number;
    position: string;
    arrowTop: number;
    listLabel: string;
    selectedFont: boolean;
    presetVisible: boolean;
    safeFonts: string[];
    fontAmount: number;
    loadedFonts: number;
    presetFonts: Font[];
    googleFonts: Font[];
    currentFonts: Font[];
    fpWidth: number;
    fpHeight: number;
    fpPosition: string;
    fpPositionOffset: number;
    fpSearchText: string;
    fpLoadingText: string;
    fpPopularLabel: string;
    fpResultsLabel: string;
    fpPresetLabel: string;
    fpPresetFonts: string[];
    fpPresetNotice: string;
    fpSizeSelect: boolean;
    fpStyleSelect: boolean;
    fpCancelButton: boolean;
    fpCancelButtonText: string;
    fpCancelButtonClass: string;
    fpUploadButton: boolean;
    fpUploadButtonText: string;
    fpUploadButtonClass: string;
    fpDialogDisplay: string;
    fpFilterByFamilies: string[];
    fpSortByFamilies: boolean;
    dialogArrowSize: number;
    dialogArrowOffset: number;
    searchTerm: FormControl<string>;
    renderMore: Subject<any>;
    dialogElement: ElementRef;
    scrollbar: NgScrollbar;
    handleEsc(event: any): void;
    handleEnter(event: any): void;
    constructor();
    ngOnInit(): void;
    trackFont(index: number, font: FontInterface): string;
    setDialog(instance: any, elementRef: ElementRef, fpUseRootViewContainer: boolean, defaultFont: FontInterface, fpWidth: string, fpHeight: string, fpDialogDisplay: string, fpSizeSelect: boolean, fpStyleSelect: boolean, fpPosition: string, fpPositionOffset: string, fpPositionRelativeToArrow: boolean, fpSearchText: string, fpLoadingText: string, fpPopularLabel: string, fpResultsLabel: string, fpPresetLabel: string, fpPresetFonts: string[], fpPresetNotice: string, fpCancelButton: boolean, fpCancelButtonText: string, fpCancelButtonClass: string, fpUploadButton: boolean, fpUploadButtonText: string, fpUploadButtonClass: string, fpFilterByFamilies: string[], fpSortByFamilies: boolean): void;
    updateDialog(font: FontInterface, fpWidth: string, fpHeight: string, fpDialogDisplay: string, fpSizeSelect: boolean, fpStyleSelect: boolean, fpPosition: string, fpPositionOffset: string, fpPositionRelativeToArrow: boolean, fpSearchText: string, fpLoadingText: string, fpPopularLabel: string, fpResultsLabel: string, fpPresetLabel: string, fpPresetFonts: string[], fpPresetNotice: string, fpCancelButton: boolean, fpCancelButtonText: string, fpCancelButtonClass: string, fpUploadButton: boolean, fpUploadButtonText: string, fpUploadButtonClass: string, fpFilterByFamilies: string[], fpSortByFamilies: boolean): void;
    openFontPicker(): void;
    closeFontPicker(): void;
    private isFontAvailable;
    private getPresetFonts;
    private setCurrentFonts;
    private findFont;
    private findFonts;
    private loadMoreFonts;
    private loadGoogleFonts;
    private searchGoogleFonts;
    private isDescendant;
    private createDialogBox;
    private setDialogPosition;
    private onResize;
    private onMouseDown;
    onUploadFont(event: any): void;
    onAcceptSelect(event: any): void;
    onCancelSelect(event: any): void;
    onSelectFont(font: any): void;
    onSearchReset(event: any): void;
    onFontSizeChange(event: any): void;
    onFontStyleChange(event: any, font: Font): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FontPickerComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FontPickerComponent, "font-picker", never, {}, {}, never, never, true, never>;
}

declare class FontPickerDirective implements OnInit, OnChanges {
    private injector;
    private appRef;
    private vcRef;
    private elRef;
    private cdRef;
    private service;
    private dialog;
    private viewAttachedToAppRef;
    private cmpRef;
    fontPicker: FontInterface;
    fpWidth: string;
    fpHeight: string;
    fpFallbackFont: FontInterface;
    fpAutoLoad: boolean;
    fpPresetLabel: string;
    fpPresetFonts: string[];
    fpPresetNotice: string;
    fpSizeSelect: boolean;
    fpStyleSelect: boolean;
    fpDialogDisplay: string;
    fpUseRootViewContainer: boolean;
    fpPosition: string;
    fpPositionOffset: string;
    fpPositionRelativeToArrow: boolean;
    fpSearchText: string;
    fpLoadingText: string;
    fpPopularLabel: string;
    fpResultsLabel: string;
    fpCancelButton: boolean;
    fpCancelButtonText: string;
    fpCancelButtonClass: string;
    fpUploadButton: boolean;
    fpUploadButtonText: string;
    fpUploadButtonClass: string;
    fpFilterByFamilies: string[];
    fpSortByFamilies: boolean;
    fontPickerUpload: EventEmitter<void>;
    fontPickerChange: EventEmitter<FontInterface>;
    onClick(): void;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    loadFont(font: FontInterface): void;
    uploadFont(): void;
    openDialog(): void;
    closeDialog(): void;
    toggleDialog(): void;
    fontChanged(font: FontInterface): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FontPickerDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FontPickerDirective, "[fontPicker]", ["ngxFontPicker"], { "fontPicker": { "alias": "fontPicker"; "required": false; }; "fpWidth": { "alias": "fpWidth"; "required": false; }; "fpHeight": { "alias": "fpHeight"; "required": false; }; "fpFallbackFont": { "alias": "fpFallbackFont"; "required": false; }; "fpAutoLoad": { "alias": "fpAutoLoad"; "required": false; }; "fpPresetLabel": { "alias": "fpPresetLabel"; "required": false; }; "fpPresetFonts": { "alias": "fpPresetFonts"; "required": false; }; "fpPresetNotice": { "alias": "fpPresetNotice"; "required": false; }; "fpSizeSelect": { "alias": "fpSizeSelect"; "required": false; }; "fpStyleSelect": { "alias": "fpStyleSelect"; "required": false; }; "fpDialogDisplay": { "alias": "fpDialogDisplay"; "required": false; }; "fpUseRootViewContainer": { "alias": "fpUseRootViewContainer"; "required": false; }; "fpPosition": { "alias": "fpPosition"; "required": false; }; "fpPositionOffset": { "alias": "fpPositionOffset"; "required": false; }; "fpPositionRelativeToArrow": { "alias": "fpPositionRelativeToArrow"; "required": false; }; "fpSearchText": { "alias": "fpSearchText"; "required": false; }; "fpLoadingText": { "alias": "fpLoadingText"; "required": false; }; "fpPopularLabel": { "alias": "fpPopularLabel"; "required": false; }; "fpResultsLabel": { "alias": "fpResultsLabel"; "required": false; }; "fpCancelButton": { "alias": "fpCancelButton"; "required": false; }; "fpCancelButtonText": { "alias": "fpCancelButtonText"; "required": false; }; "fpCancelButtonClass": { "alias": "fpCancelButtonClass"; "required": false; }; "fpUploadButton": { "alias": "fpUploadButton"; "required": false; }; "fpUploadButtonText": { "alias": "fpUploadButtonText"; "required": false; }; "fpUploadButtonClass": { "alias": "fpUploadButtonClass"; "required": false; }; "fpFilterByFamilies": { "alias": "fpFilterByFamilies"; "required": false; }; "fpSortByFamilies": { "alias": "fpSortByFamilies"; "required": false; }; }, { "fontPickerUpload": "fontPickerUpload"; "fontPickerChange": "fontPickerChange"; }, never, never, true, never>;
}

declare class FontPickerService {
    private http;
    private _config;
    private apiKey;
    private baseUrl;
    constructor();
    /**
     * Loads the given font from Google Web Fonts.
     */
    loadFont(font: FontInterface): void;
    /**
     * Returns list of all fonts with given sort option:
     * date || alpha || style || trending || popularity
     */
    getAllFonts(sort: string): Observable<GoogleFontsInterface | null>;
    /**
     * Returns font object for the requested font family.
     */
    getRequestedFont(family: string): Observable<FontInterface>;
    /**
     * Handler method for all possible http request errors.
     */
    private handleHttpError;
    static ɵfac: i0.ɵɵFactoryDeclaration<FontPickerService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FontPickerService>;
}

declare class FontSizePipe implements PipeTransform {
    transform(value: string): number;
    static ɵfac: i0.ɵɵFactoryDeclaration<FontSizePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FontSizePipe, "FontSize", true>;
}
declare class FontStylesPipe implements PipeTransform {
    transform(value: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<FontStylesPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FontStylesPipe, "FontStyles", true>;
}
declare class StatefulSlicePipe implements PipeTransform {
    private slicedArray;
    private previousArrayRef;
    private previousEndValue;
    transform(arr: any[], start: number, end: number): any[];
    static ɵfac: i0.ɵɵFactoryDeclaration<StatefulSlicePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<StatefulSlicePipe, "StatefulSlice", true>;
}

export { FONT_PICKER_CONFIG, Font, FontPickerComponent, FontPickerConfig, FontPickerDirective, FontPickerService, FontSizePipe, FontStylesPipe, GoogleFontsInterface, StatefulSlicePipe };
export type { FontInterface, FontPickerConfigInterface, GoogleFontInterface };