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fullscreen.ts
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fullscreen.ts
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/*!
* Fullscreen.js
* Fullscreen.js is a lightweight wrapper around the fullscreen API
* for fast and browser compliant development.
*
* @version 1.0.0
* @author Eliott Robson, https://eliottrobson.me
* @link https://github.com/eliottrobson/fullscreen.js
*/
interface HTMLElement {
mozRequestFullScreen: () => void;
webkitRequestFullscreen: () => void;
msRequestFullscreen: () => void;
}
interface Document {
mozCancelFullScreen: () => void;
mozFullScreenElement: Element;
msFullscreenElement: Element;
}
class Fullscreen {
private item: HTMLElement;
public constructor(item: HTMLElement) {
this.item = item;
}
toggle(enable?: boolean): void {
if (typeof enable === "undefined") {
enable = !this.active();
}
if (enable) {
this.enable();
} else {
this.disable();
}
}
enable(): void {
let element = this.item;
if (element.requestFullscreen) {
element.requestFullscreen();
} else if (element.mozRequestFullScreen) {
element.mozRequestFullScreen();
} else if (element.webkitRequestFullscreen) {
element.webkitRequestFullscreen();
} else if (element.msRequestFullscreen) {
element.msRequestFullscreen();
}
}
disable(): void {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.mozCancelFullScreen) {
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) {
document.webkitExitFullscreen();
}
}
active(): boolean {
return !!(document.fullscreenElement ||
document.webkitFullscreenElement ||
document.mozFullScreenElement ||
document.msFullscreenElement);
}
}