47 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			47 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// APIs for normalizing fullscreen operations. Note that Edge uses
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// the WebKit-prefixed APIs currently (as of Edge 16).
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export const isFullscreen = () => document.fullscreenElement ||
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  document.webkitFullscreenElement ||
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  document.mozFullScreenElement;
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export const exitFullscreen = () => {
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  if (document.exitFullscreen) {
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    document.exitFullscreen();
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  } else if (document.webkitExitFullscreen) {
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    document.webkitExitFullscreen();
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  } else if (document.mozCancelFullScreen) {
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    document.mozCancelFullScreen();
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  }
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};
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export const requestFullscreen = el => {
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  if (el.requestFullscreen) {
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    el.requestFullscreen();
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  } else if (el.webkitRequestFullscreen) {
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    el.webkitRequestFullscreen();
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  } else if (el.mozRequestFullScreen) {
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    el.mozRequestFullScreen();
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  }
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};
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export const attachFullscreenListener = (listener) => {
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  if ('onfullscreenchange' in document) {
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    document.addEventListener('fullscreenchange', listener);
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  } else if ('onwebkitfullscreenchange' in document) {
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    document.addEventListener('webkitfullscreenchange', listener);
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  } else if ('onmozfullscreenchange' in document) {
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    document.addEventListener('mozfullscreenchange', listener);
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  }
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};
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export const detachFullscreenListener = (listener) => {
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  if ('onfullscreenchange' in document) {
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    document.removeEventListener('fullscreenchange', listener);
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  } else if ('onwebkitfullscreenchange' in document) {
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    document.removeEventListener('webkitfullscreenchange', listener);
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  } else if ('onmozfullscreenchange' in document) {
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    document.removeEventListener('mozfullscreenchange', listener);
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  }
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};
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