lhl
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zyAdmin


			
				
					
						
						
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							/// <reference lib="dom"/>

declare namespace screenfull {
	type RawEventNames = {
		readonly requestFullscreen: string;
		readonly exitFullscreen: string;
		readonly fullscreenElement: string;
		readonly fullscreenEnabled: string;
		readonly fullscreenchange: string;
		readonly fullscreenerror: string;
	};

	type EventName = 'change' | 'error';

	interface Screenfull {
		/**
		Whether fullscreen is active.
		*/
		readonly isFullscreen: boolean;

		/**
		The element currently in fullscreen, otherwise `null`.
		*/
		readonly element: Element | null;

		/**
		Whether you are allowed to enter fullscreen. If your page is inside an `<iframe>` you will need to add a `allowfullscreen` attribute (+ `webkitallowfullscreen` and `mozallowfullscreen`).

		@example
		```
		if (screenfull.isEnabled) {
			screenfull.request();
		}
		```
		*/
		readonly isEnabled: true;

		/**
		Exposes the raw properties (prefixed if needed) used internally.
		*/
		raw: RawEventNames;

		/**
		Make an element fullscreen.

		If your page is inside an `<iframe>` you will need to add a `allowfullscreen` attribute (+ `webkitallowfullscreen` and `mozallowfullscreen`).

		Keep in mind that the browser will only enter fullscreen when initiated by user events like click, touch, key.

		@param element - Default is `<html>`. If called with another element than the currently active, it will switch to that if it's a descendant.
		@param options - [`FullscreenOptions`](https://developer.mozilla.org/en-US/docs/Web/API/FullscreenOptions).
		@returns A promise that resolves after the element enters fullscreen.

		@example
		```
		// Fullscreen the page
		document.getElementById('button').addEventListener('click', () => {
			if (screenfull.isEnabled) {
				screenfull.request();
			} else {
				// Ignore or do something else
			}
		});

		// Fullscreen an element
		const element = document.getElementById('target');

		document.getElementById('button').addEventListener('click', () => {
			if (screenfull.isEnabled) {
				screenfull.request(element);
			}
		});

		// Fullscreen an element with options
		const element = document.getElementById('target');

		document.getElementById('button').addEventListener('click', () => {
			if (screenfull.isEnabled) {
				screenfull.request(element, {navigationUI: 'hide'});
			}
		});

		// Fullscreen an element with jQuery
		const element = $('#target')[0]; // Get DOM element from jQuery collection

		$('#button').on('click', () => {
			if (screenfull.isEnabled) {
				screenfull.request(element);
			}
		});
		```
		*/
		request(element?: Element, options?: FullscreenOptions): Promise<void>;

		/**
		Brings you out of fullscreen.

		@returns A promise that resolves after the element exits fullscreen.
		*/
		exit(): Promise<void>;

		/**
		Requests fullscreen if not active, otherwise exits.

		@param element - Default is `<html>`. If called with another element than the currently active, it will switch to that if it's a descendant.
		@param options - [`FullscreenOptions`](https://developer.mozilla.org/en-US/docs/Web/API/FullscreenOptions).
		@returns A promise that resolves after the element enters/exits fullscreen.

		@example
		```
		// Toggle fullscreen on a image with jQuery

		$('img').on('click', event => {
			if (screenfull.isEnabled) {
				screenfull.toggle(event.target);
			}
		});
		```
		*/
		toggle(element?: Element, options?: FullscreenOptions): Promise<void>;

		/**
		Add a listener for when the browser switches in and out of fullscreen or when there is an error.

		@example
		```
		// Detect fullscreen change
		if (screenfull.isEnabled) {
			screenfull.on('change', () => {
				console.log('Am I fullscreen?', screenfull.isFullscreen ? 'Yes' : 'No');
			});
		}

		// Detect fullscreen error
		if (screenfull.isEnabled) {
			screenfull.on('error', event => {
				console.error('Failed to enable fullscreen', event);
			});
		}
		```
		*/
		on(name: EventName, handler: (event: Event) => void): void;

		/**
		Remove a previously registered event listener.

		@example
		```
		screenfull.off('change', callback);
		```
		*/
		off(name: EventName, handler: (event: Event) => void): void;

		/**
		Alias for `.on('change', function)`.
		*/
		onchange(handler: (event: Event) => void): void;

		/**
		Alias for `.on('error', function)`.
		*/
		onerror(handler: (event: Event) => void): void;
	}
}

/**
Simple wrapper for cross-browser usage of the JavaScript [Fullscreen API](https://developer.mozilla.org/en/DOM/Using_full-screen_mode), which lets you bring the page or any element into fullscreen. Smoothens out the browser implementation differences, so you don't have to.
*/
declare const screenfull: screenfull.Screenfull;

export = screenfull;
export as namespace screenfull;