import { isFunction } from "@videojs/utils/predicate";
//#region src/dom/presentation/fullscreen.ts
function isFullscreenEnabled() {
	const doc = document;
	if (doc.fullscreenEnabled || doc.webkitFullscreenEnabled) return true;
	return isFunction(document.createElement("video").webkitSetPresentationMode);
}
function getFullscreenElement() {
	const doc = document;
	return doc.fullscreenElement ?? doc.webkitFullscreenElement ?? null;
}
function matchesFullscreen(element) {
	if (!(element instanceof Element)) return false;
	try {
		return element.matches(":fullscreen");
	} catch {
		return false;
	}
}
function isFullscreen(container, media) {
	if (media.webkitPresentationMode === "fullscreen") return true;
	const fullscreenElement = getFullscreenElement();
	if (fullscreenElement && (fullscreenElement === container || fullscreenElement === media)) return true;
	if (matchesFullscreen(container) || matchesFullscreen(media)) return true;
	return media.isFullscreen ?? false;
}
async function requestFullscreen(container, media) {
	const doc = document;
	if (container && (doc.fullscreenEnabled || doc.webkitFullscreenEnabled)) {
		const el = container;
		if (isFunction(el.requestFullscreen)) return el.requestFullscreen();
		if (isFunction(el.webkitRequestFullscreen)) return el.webkitRequestFullscreen();
	}
	const webkitVideo = media;
	if (isFunction(webkitVideo.webkitSetPresentationMode)) {
		webkitVideo.webkitSetPresentationMode("fullscreen");
		return;
	}
	const video = media;
	if (isFunction(video.requestFullscreen)) return video.requestFullscreen();
}
async function exitFullscreen(media) {
	const doc = document;
	const webkitVideo = media;
	if (webkitVideo.webkitPresentationMode === "fullscreen" && isFunction(webkitVideo.webkitSetPresentationMode)) {
		webkitVideo.webkitSetPresentationMode("inline");
		return;
	}
	if (isFunction(doc.exitFullscreen)) return doc.exitFullscreen();
	if (isFunction(doc.webkitExitFullscreen)) return doc.webkitExitFullscreen();
	const video = media;
	if (isFunction(video.exitFullscreen)) return video.exitFullscreen();
}
//#endregion
export { exitFullscreen, getFullscreenElement, isFullscreen, isFullscreenEnabled, requestFullscreen };

//# sourceMappingURL=fullscreen.js.map