Created
October 19, 2023 11:54
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ReaveaJS Video Full Screen
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| <!-- Add this before your HTML's closing body tag --> | |
| <script> | |
| Reveal.initialize({ | |
| controls: true, | |
| progress: true, | |
| history: true, | |
| center: true, | |
| plugins: [ | |
| RevealMarkdown, | |
| RevealHighlight, | |
| RevealNotes, | |
| RevealMath.KaTeX, | |
| ], | |
| }); | |
| // Function to make a video element fullscreen | |
| function makeVideoFullScreen(videoElement) { | |
| if (videoElement.requestFullscreen) { | |
| videoElement.requestFullscreen(); | |
| } else if (videoElement.mozRequestFullScreen) { | |
| videoElement.mozRequestFullScreen(); | |
| } else if (videoElement.webkitRequestFullscreen) { | |
| videoElement.webkitRequestFullscreen(); | |
| } else if (videoElement.msRequestFullscreen) { | |
| videoElement.msRequestFullscreen(); | |
| } | |
| } | |
| // Listen for slide changes | |
| Reveal.addEventListener('slidechanged', function (event) { | |
| // Get the current slide | |
| var currentSlide = event.currentSlide; | |
| // Find video elements within the current slide | |
| var videos = currentSlide.querySelectorAll('video'); | |
| // If there are videos on the current slide, make them fullscreen | |
| if (videos.length > 0) { | |
| makeVideoFullScreen(videos[0]); | |
| } | |
| }); | |
| // Keyboard event listener for navigating between slides | |
| document.addEventListener('keydown', function (event) { | |
| // Check if a video is in fullscreen mode | |
| if (!document.fullscreenElement) { | |
| return; | |
| } | |
| if (event.code === 'space') { | |
| event.preventDefault(); | |
| return; | |
| } | |
| switch (event.key) { | |
| case 'ArrowRight': | |
| case 'ArrowDown': | |
| case 'PageDown': | |
| document.exitFullscreen(); | |
| // Navigate to the next slide | |
| Reveal.next(); | |
| break; | |
| case 'ArrowUp': | |
| case 'ArrowLeft': | |
| case 'PageUp': | |
| document.exitFullscreen(); | |
| // Navigate to the previous slide | |
| Reveal.prev(); | |
| break; | |
| } | |
| }); | |
| </script> |
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