diff --git a/bigbluebutton-html5/imports/ui/components/nav-bar/settings-dropdown/component.jsx b/bigbluebutton-html5/imports/ui/components/nav-bar/settings-dropdown/component.jsx index 92f7dc830c6c6e31984eb64c6ddff419fbca9ab9..3832c6bd4335426d086565ef894174b8380e26c5 100755 --- a/bigbluebutton-html5/imports/ui/components/nav-bar/settings-dropdown/component.jsx +++ b/bigbluebutton-html5/imports/ui/components/nav-bar/settings-dropdown/component.jsx @@ -51,22 +51,32 @@ const toggleFullScreen = () => { if (document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled) { - if (element.requestFullscreen) { - element.requestFullscreen(); - } else if (element.mozRequestFullScreen) { - element.mozRequestFullScreen(); - } else if (element.webkitRequestFullscreen) { - element.webkitRequestFullscreen(); - } else if (element.msRequestFullscreen) { - element.msRequestFullscreen(); - } - } else { - if (document.exitFullscreen) { - document.exitFullscreen(); - } else if (document.mozCancelFullScreen) { - document.mozCancelFullScreen(); - } else if (document.webkitExitFullscreen) { - document.webkitExitFullscreen(); + + // If the page is already fullscreen, exit fullscreen + if (document.fullscreenElement + || document.webkitFullscreenElement + || document.mozFullScreenElement + || document.msFullscreenElement) { + + if (document.exitFullscreen) { + document.exitFullscreen(); + } else if (document.mozCancelFullScreen) { + document.mozCancelFullScreen(); + } else if (document.webkitExitFullscreen) { + document.webkitExitFullscreen(); + } + + // If the page is not currently fullscreen, make fullscreen + } else { + if (element.requestFullscreen) { + element.requestFullscreen(); + } else if (element.mozRequestFullScreen) { + element.mozRequestFullScreen(); + } else if (element.webkitRequestFullscreen) { + element.webkitRequestFullscreen(); + } else if (element.msRequestFullscreen) { + element.msRequestFullscreen(); + } } } };