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copied!<p>Safari plugin development is non-trivial. The interface is written in Objective-C, and most of it is not even part of WebKit (so you can't see the source), but there's machinery to inspect and patch the object hierarchy of a running application. It requires understanding of Cocoa and Objective-C, but no lower.</p> <p>Here's a high level overview I had in my bookmarks of the process <a href="http://livingcode.org/2006/tab-dumping-in-safari" rel="nofollow noreferrer">http://livingcode.org/2006/tab-dumping-in-safari</a>. It goes over creating Safari plugins using Python with working (probably outdated) code. Instead of Python you can use anything that has Objective-C bindings.</p> <p>There are two major parts to it:</p> <ul> <li><p>You need to attach your code to a running Safari. This is typically done with SIMBL <a href="http://www.culater.net/software/SIMBL/SIMBL.php" rel="nofollow noreferrer">http://www.culater.net/software/SIMBL/SIMBL.php</a>.</p></li> <li><p>Once you're inside, you need to figure what to patch. There's a tutorial on reversing Cocoa applications <a href="http://www.culater.net/wiki/moin.cgi/CocoaReverseEngineering" rel="nofollow noreferrer">http://www.culater.net/wiki/moin.cgi/CocoaReverseEngineering</a>, which links to the most important tool, class-dump <a href="http://www.codethecode.com/projects/class-dump/" rel="nofollow noreferrer">http://www.codethecode.com/projects/class-dump/</a> (the link on wiki is broken). Class-dump gives you a complete hierarchy of Safari's classes, where you can guess by names what, specifically, you need to patch. This is a very trial and error mode.</p></li> </ul> <p>Reading the links above will give you the scope of the project.</p>

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