import { OnInit, OnDestroy, // @angular/router
AfterViewInit, ElementRef, DomSanitizer, ChangeDetectorRef } from 'angular-libs';
import { EvanAddressBookService } from '../../services/bcc/address-book';
import { EvanTranslationService } from '../../services/ui/translate';
import { EvanUtilService } from '../../services/utils';
/**
 * Component options structure interface
 */
export interface Options {
    video: boolean | any;
    cameraType: string;
    audio: boolean;
    width: number;
    height: number;
    fallbackSrc: string;
    fallbackMode: string;
    fallbackQuality: number;
}
/**************************************************************************************************/
/**
 * Component to take pictures using HTML 5.
 *
 * Usage:
 *   picture = await this.modalService.createModal(SnapshotDialogComponent, {});
 *
 * @class      Component SnapshotDialogComponent
 */
export declare class SnapshotDialogComponent implements OnInit, AfterViewInit, OnDestroy {
    private addressBook;
    private translate;
    private element;
    private sanitizer;
    private utils;
    private ref;
    /*****************    variables    *****************/
    /**
     * loading indicator
     */
    private loading;
    /**
     * resolvle function that is applied from modal service
     */
    private resolveDialog;
    /**
     * reject function that is applied from modal service
     */
    private rejectDialog;
    /**
     * current video stream of the camera
     */
    private stream;
    /**
     * camera device index (0, 1)
     */
    private streamIndex;
    /**
     * browser type
     */
    browser: any;
    /**
     * active camerea
     */
    camera: any;
    /**
     * isSupportWebRTC
     */
    isSupportWebRTC: boolean;
    /**
     * camera stream options
     */
    options: any;
    /**
     * camera ion-select options
     */
    selectOptions: any;
    /**
     * video src
     */
    videoSrc: any;
    /**
     * trigger scale(1) transition animation
     */
    private showAnimation;
    /***************** initialization  *****************/
    constructor(addressBook: EvanAddressBookService, translate: EvanTranslationService, element: ElementRef, sanitizer: DomSanitizer, utils: EvanUtilService, ref: ChangeDetectorRef);
    /**
     * initializes cameras and test browser for camerea support
     */
    ngOnInit(): void;
    /**
     * start video capturing when canvas elements were rendered
     *
     * @return     {<type>}  { description_of_the_return_value }
     */
    ngAfterViewInit(): void;
    /**
     * close camerea stream
     */
    ngOnDestroy(): void;
    /*****************    functions    *****************/
    /**
     * Switch to facing mode and setup web camera
     */
    onWebRTC(): any;
    /**
     * use next available camera
     */
    switchCamera(): Promise<{}>;
    /**
     * Setup web camera using native browser API
     */
    setWebcam(): any;
    /**
     * Start capturing video stream
     */
    startCapturingVideo(): any;
    /**
     * close active camera stream
     *
     * @return     {<type>}  { description_of_the_return_value }
     */
    stopCapturing(): any;
    /**
     * resolve the dialoag and return the snapshot
     *
     * @return     {<type>}  { description_of_the_return_value }
     */
    finish(): Promise<void>;
    /**
     * get the img data from the current canvas
     *
     * @return     {any}  img data
     */
    takeSnapshot(): Promise<any>;
    /**
     * get maximum video height to prevent dialog scrolling
     */
    videoMaxHeight(): string;
}