The Mozilla Toolkit is a set of APIs, built on top of Gecko, which provide advanced services to XUL applications. These services include Profile Management, Chrome Registration, Browsing History, Extension and Theme Management, Application Update Service, and Safe Mode. (More info)
For issues relating to the process of downloading files to disk, including for example progress calculation and timing, folder choice, file naming, and file system access.
Does NOT cover:
- The user interface (see Firefox :: Downloads Panel)
- Networking issues (see Core :: Networking)
- Choosing the handler application (see Firefox :: File Handling)
- Saving complete web pages (see Firefox :: File Handling)