/*!
 * @license
 * Copyright © 2005-2025 Hyland Software, Inc. and its affiliates. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { ElementRef, NgZone, OnDestroy, OnInit, Renderer2 } from '@angular/core';
import { FileInfo } from '../common/utils/file-utils';
import * as i0 from "@angular/core";
export declare class UploadDirective implements OnInit, OnDestroy {
    private el;
    private renderer;
    private ngZone;
    /** Enables/disables uploading. */
    enabled: boolean;
    /** Data to upload. */
    data: any;
    /**
     * Upload mode. Can be "drop" (receives dropped files) or "click"
     * (clicking opens a file dialog). Both modes can be active at once.
     */
    mode: string[];
    /** Toggles multiple file uploads. */
    multiple: boolean;
    /** (Click mode only) MIME type filter for files to accept. */
    accept: string;
    /** (Click mode only) Toggles uploading of directories. */
    directory: boolean;
    isDragging: boolean;
    private cssClassName;
    private upload;
    private element;
    constructor(el: ElementRef, renderer: Renderer2, ngZone: NgZone);
    ngOnInit(): void;
    ngOnDestroy(): void;
    onClick(event: Event): void;
    onDragEnter(event: DragEvent): void;
    onDragOver(event: DragEvent): boolean;
    onDragLeave(): void;
    onDrop(event: Event): boolean;
    onUploadFiles(files: FileInfo[]): void;
    protected hasMode(mode: string): boolean;
    protected isDropMode(): boolean;
    protected isClickMode(): boolean;
    getDataTransfer(event: Event | any): DataTransfer;
    /**
     * Extract files from the DataTransfer object used to hold the data that is being dragged during a drag and drop operation.
     *
     * @param dataTransfer DataTransfer object
     * @returns a list of file info objects
     */
    getFilesDropped(dataTransfer: DataTransfer): Promise<FileInfo[]>;
    /**
     * Invoked when user selects files or folders by means of File Dialog
     *
     * @param event DOM event
     */
    onSelectFiles(event: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<UploadDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UploadDirective, "[adf-upload]", never, { "enabled": { "alias": "adf-upload"; "required": false; }; "data": { "alias": "adf-upload-data"; "required": false; }; "mode": { "alias": "mode"; "required": false; }; "multiple": { "alias": "multiple"; "required": false; }; "accept": { "alias": "accept"; "required": false; }; "directory": { "alias": "directory"; "required": false; }; }, {}, never, never, true, never>;
}