Hi Fred,
thanks for starting the discussion on that!
> Below are suggest hookpoint list and reason:
> ----------------
> 1. text selection actions
> allow addon to intercept selected text and make meanningful actions. Ex:
> search, find definition
> 2. Rocketbar instant suggestions
> allow addon to intercept inputed text and pop related suggestion or result.
> Ex: weather in orlando, map disney swan hotel
> (does that reminds anyone the ubiquity addon(2008-2010) from mozilla lab?)
These all look like useful extensions points.
In general, I think each app owner should look at which features we
want/can make accessible to add-ons and do the appropriate changes we
need in the apps. One thing to remember is that injected scripts have
access to the `window` and `document` objects, so anything we leak on
these will be (ab)used by add-on authors.
That also means that as we make changes to apps, we may have to maintain
some backward compatibility to not break add-ons written for older
versions. That's very similar to the situation we know with xul/xpcom
add-ons: each time we want to make a non-backward compatible change to a
public xpcom API, we check how many add-ons will be impacted and we warn
add-on authors in advance. We also may have to enforce a min/max
compatibility version check when installing add-ons that inject into the
system app (and possibly all gaia apps).
Fabrice
--
Fabrice Desré
b2g team
Mozilla Corporation
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