> system can only store simple types like integers and booleans. Now > that JSON.stringify and JSON.parse are implemented in Firefox,
The preference system supports Strings + Integers + Booleans. As of now, afaik, localStorage is a key value system only supporting strings. Regards Devdatta 2009/11/29 Adam Barth <[email protected]>: > On Sun, Nov 29, 2009 at 6:34 PM, Devdatta <[email protected]> wrote: >>> 3) One of the things we found in our study (which Adrienne has made >>> public at >>> <http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-139.pdf>) >>> is that many extensions use nsIFile to store extension-local >>> persistent state. You might consider providing an alternative API >>> (e.g., something like localStorage) that lets Jetpacks store >>> persistent state without the authority to read and write arbitrary >>> files. >> >> The study says that extensions use nsIFile to 'store information that >> is too complex for the preferences system'. What is 'too complex' ? If >> a key value store (viz. the preferences system) isn't good enough, >> would localStorage work ? Do you have a list of extensions for whom >> localStorage would be good enough (but can't work with just the >> preferences system) ? > > That's a good question for Adrienne, but my understanding is the prefs > system can only store simple types like integers and booleans. Now > that JSON.stringify and JSON.parse are implemented in Firefox, > localStorage can store many interesting objects. I think the HTML5 > spec also as support for storing things like images in localStorage, > but I'm not sure that's implemented in Firefox yet. > > It's possible that we could design a persistent storage API that's > better optimized for extensions, but I think it makes sense to re-use > interfaces the web platform whenever possible. For example, if jQuery > adds an abstraction for localStorage, Jetpacks can use that for free. > > Adam > _______________________________________________ dev-security mailing list [email protected] https://lists.mozilla.org/listinfo/dev-security
