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Firebug Internals I. – Data Providers and Viewers

by Honza

One of the achievements of Firebug 2 alpha 1 release has been adoption of new JSD2 API and this task required significant changes and improvements in our code base. Among other things, we have also introduced a new concept that allows to nicely build asynchronously updated UI.

There are other concepts in Firebug 2 and this version is with no doubt the best one we have released. Try it and let us know how it works for you (Firefox 30+ needed).

In order to implement remote access to the server side debugger API, Firebug UI needs to know how to deal with asynchronous update. We applied Viewer Provider pattern and extended it with support for asynchronous data processing.

If you like using Document View, Model View Controller or similar design patterns to build your code base, you'll probably like Viewer Provider too.

So, follow this post if you are interested to know what Viewer Provider looks like.

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Firebug 2: Support for dynamic scripts

by Honza

Firebug 2 (first alpha) has been released this week and it's time to checkout some of the new features. Note that you need at least Firefox 30 to run it.

This brand new version introduces a lot of changes where the most important one is probably the fact that it's based on new Firefox debugging engine known as JSD2.

Also Firebug UI has been polished to match Australis theme introduced in Firefox 29.


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