Great, I can't wait for GWT 2.0.
On 30 Oct, 19:36, Thomas Broyer <[email protected]> wrote:
> On 30 oct, 17:48, Shaun <[email protected]> wrote:
>
>
>
> > Hi,
>
> > I'm looking for a way to support additional sub-environments with
> > GWT. By sub-environment, I mean an environment that is similar to an
> > existing environment, but requires specific tweaks of it's own that
> > don't merit a full user.agent right now.
>
> > Two examples that are causing me pain at the moment:
>
> > (1) Widget environments like Vista sidebar, Google Desktop, Mac
> > Dashboard. While these use the installed browser as their base, they
> > all have their own quirks to take account of.
>
> > (2) Mobile phone environments, where we end up pegging them all to
> > "safari" when in fact they each have their own capabilities.
>
> > It seems like dynamic binding would be a good solution here but.
> > Unfortunately, I hit problems right now if I try to use dynamic
> > binding because I have two choices, neither of which is great:
>
> > (1) extend the user.agent property with a new value "ie6gd" say --
> > this seems like the right thing to do but it means that I have to
> > repeat all of the declarations from all of the ie6-specific modules I
> > inherit and hence it's impractical/difficult to maintain.
>
> > (2) add an extra permutation axis -- this is an option but it means
> > I'll get a lot of permutations I don't need like safari-vista-sidbar,
> > killing my compile time.
>
> > I'd like to be able to tell GWT to "extend the user.agent property
> > with new user agent ie6.gd but base it on the existing ie6 value". An
> > alternative based on (2) would be giving a method to say "only these
> > permutations make sense" in the manifest file, to avoid compiling
> > unneeded code.
>
> > What do you think?
>
> GWT 2.0 already has this second
> option:http://code.google.com/p/google-web-toolkit/wiki/ConditionalProperties
> (see Example 2)
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