the-obelisk/app/Elements/Modules/Fullscreen.ts

/// <reference path="../Elements.ts" />
function toggleFullScreen() {
    var doc = <any> window.document;
    var docEl = <any> doc.documentElement;

    var requestFullScreen = docEl.requestFullscreen || docEl.mozRequestFullScreen || docEl.webkitRequestFullScreen || docEl.msRequestFullscreen;
    var cancelFullScreen = doc.exitFullscreen || doc.mozCancelFullScreen || doc.webkitExitFullscreen || doc.msExitFullscreen;

    if(!doc.fullscreenElement && !doc.mozFullScreenElement && !doc.webkitFullscreenElement && !doc.msFullscreenElement) {
        requestFullScreen.call(docEl);
    }
    else {
        cancelFullScreen.call(doc);
    }
}