Full-screen YouTube by Marco Wessel
Coinciding closely with Apple’s release of Safari 5, touting full-screen playback of HTML5 video, YouTube have disabled their use of the WebKit-API that makes this possible: webkitEnterFullScreen(). They now believe that the browser itself should provide a full-screen button. I do not. But that leaves me with full-browser-window YouTube, or Flash.
Luckily Safari as of version 5 supports extensions! So I made one that turns the Full Screen button on YouTube back into a real Full Screen button. This extension only works on the HTML 5 player (flash does full-screen on its own) and there is one known issue: to prevent stretching 4:3 videos to 16:9 screens, it has to explicitly set the size of the video element. But this size then sticks and I don’t think exiting full-screen is detectable, so after using full-screen the button next to it, changing the player size from smaller to larger and vice versa, is broken. If I ever find out how to fix that, I’ll update the extension.
