Getting rid of popup windows for good

Rimas Kudelis rq at
Sat Aug 30 07:17:34 UTC 2014


+1 from me on everything Benjamin said. Not sure about the exact wording
of the "Block unrequested" option, but that is up to the UX people to


2014.08.29 16:24, Benjamin Smedberg wrote:
> On 8/29/2014 8:38 AM, Gijs Kruitbosch wrote:
>> On 26/08/2014 19:06, Rimas Kudelis wrote:
>>> I believe that the ability of a blacklisted website to open pop-ups in
>>> response to certain JS events is certainly a bug (I took time to
>>> blacklist it, why is that preference not being favored?). If we don't
>>> want to block all pop-ups by default, than perhaps at least this bug
>>> should be fixed. However, in that case, our permissions UI should also
>>> be updated, because this setting is then effectively not binary (allow
>>> [all]/block [some] pop-ups), but trinary (allow all/allow some/block
>>> all
>>> popups).
>> At the risk of sounding very ignorant about the product I'm working
>> on... what blacklist is this, and how are you modifying it?
>> The popup notification bar, about:permissions, the prefs dialog, and
>> the page info dialog all expose the same system, AFAICT, which is
>> hardcoded to "block most popups by default" (ie based on the events
>> pref you discussed previously), and where changing the pref to
>> "allow" will adjust the whitelist, AIUI.
> That's the problem. The current "Block" default only blocks
> unrequested popups, and so if a site has a habit of popping things up
> on click so that they look like a requested popup, there's no way to
> get Firefox to stop that.
> In about:permissions terms, we should change the current "Open Pop-up
> Windows" permission from a binary "Block/Allow" to a three-way "Block
> unrequested (default)/Block all/Allow".
>> Finally, I expect that there'll be issues where sites both use "good"
>> popups (ie, you specifically click something which tries to open a
>> new window, and if you prevent that from happening, you can't do
>> whatever you were trying to accomplish - things like the dialog you
>> noted was broken, but done by the webpage instead of by chrome, and
>> therefore not "fixable" by us) and bad ones (the ones we *want* to
>> block). Adding a blacklist wouldn't really fix the issue on those
>> sites, as it's an all-or-nothing approach.
> I have never encountered a single site which had both behaviors. It's
> certainly not the case that we should be designing for!
> --BDS

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