On Tue, Sep 23, 2014 at 8:58 PM, Rick Byers <rbyers@chromium.org> wrote: > In blink we really only have this statefull property for touch scrolling > (i.e. we hit-test once when scrolling starts, and don't re hit-test on each > update in the gesture). We convert touchpad into a series of wheel events, > each of which hit tests on each update. Personally I find this annoying - > it means I may scroll through a long document and suddenly switch to > scrolling an overflow:scroll div without having lifted my fingers. To make > scroll-chaining apply to touchpad scrolling, I think we'd want to first > shift our touchpad scrolling from the wheel-like behavior to the > touchscreen-like behavior. > In Gecko we have a heuristic we call "mousewheel transactions" which groups wheel events into "transactions" to avoid that problem for mousewheel/touchpad events. Rob -- oIo otoeololo oyooouo otohoaoto oaonoyooonoeo owohooo oioso oaonogoroyo owoiotoho oao oboroootohoeoro oooro osoiosotoeoro owoiololo oboeo osouobojoeocoto otooo ojouodogomoeonoto.o oAogoaoiono,o oaonoyooonoeo owohooo osoaoyoso otooo oao oboroootohoeoro oooro osoiosotoeoro,o o‘oRoaocoao,o’o oioso oaonosowoeoroaoboloeo otooo otohoeo ocooouoroto.o oAonodo oaonoyooonoeo owohooo osoaoyoso,o o‘oYooouo ofooooolo!o’o owoiololo oboeo oiono odoaonogoeoro ooofo otohoeo ofoioroeo ooofo ohoeololo.
Received on Wednesday, 24 September 2014 02:15:49 UTC