On 3/9/21 17:10, Anne van Kesteren wrote:
On Tue, Mar 9, 2021 at 4:45 PM Emilio Cobos Álvarez <emi...@mozilla.com> wrote:
Let me know if you have any concerns with this or what not.
So if I understand it correctly we'll have a getter with side effects.
Is the expectation that we can eventually remove this? Are other
browsers on board with this model?
Well, the side effect is not _quite_ that bad IMO, in the sense that the
page can't really tell whether the event is returning pixels because the
scroll was actually pixel-based (e.g., trackpads do this IIRC) or
because they didn't check deltaMode.
The only alternative to this that I can think of is basically never
return DOM_DELTA_LINE (which is what other browsers do in practice), but
that seemed both more risky for us, and also a potential regression
(knowing lines can be useful).
-- Emilio
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