[whatwg] Web Storage: apparent contradiction in spec
snej at google.com
Wed Aug 26 17:06:42 PDT 2009
On Aug 26, 2009, at 4:55 PM, Michael Nordman wrote:
> What seems inevitable are vista-like prompts to allow something (or
> prods to delete something) seemingly unrelated to a user's
> interaction with a site... please, oh please, lets avoid making that
> part of the web platform.
Doesn't Gears already do this? If I do something like enabling local
draft storage in WordPress, I get a prompt asking me if I want to
allow myblog.com to store some local data on my disk, and I click OK
because after all that's what I asked the site to do.
> I'm assuming that UA will have out-of-band mechanisms to 'bless'
> certain sites which should not be subject to automated eviction.
If this is out-of-spec and browser-dependent, there won't be a good
way for an app to request that blessing; it'll be something the user
has to know to do, otherwise their data can get lost. That seems
dangerous. In most systems user data loss is just about the worst-case
scenario of what could go wrong, and you try to prevent it at all costs.
My suggestion to have separate 'important' and 'cache' local storage
areas would provide such a mechanism in a standard way. The first time
an app tried to put stuff in the 'important' area, you'd be asked for
approval. And 'important' stores wouldn't be deleted without your
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