[Webkit-unassigned] [Bug 122212] Optimizations to remove 300ms touch > mouse events delay

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=122212





--- Comment #7 from Benjamin Poulain <benjamin at webkit.org>  2013-10-03 13:53:57 PST ---
(In reply to comment #6)
> i'm embarassed to admit that despite being an iOS user for a good 5 years, i was unaware of the "double-tap to scroll" gesture. interesting, and i can see how this puts a spanner in the optimization works as currently present on android. wonder if it's still worth optimizing away when the page itself is not scrollable either in addition to not being zoomable, or if that's too much of an edge case to warrant it...

I see your point but I am not sure that would be a good direction for the Web platform.

Page scrolling is a far better model than touch scrolling or overflow scrolling. By providing a useful feature only if page scrolling is disabled, we would push developers away from the most efficient scrolling mechanism.

It would also be providing a feature only under certain layout conditions. I think it is bad from the engine to impose artificial constraints on web developers for arbitrary reasons (at that is also a fragile model).

Personally, I am more in favor of a solution involving a new kind of touch-action, or a declarative syntax with CSS.

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