[Webkit-unassigned] [Bug 133112] Touch-action css property support

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue May 20 10:28:19 PDT 2014


--- Comment #4 from Patrick H. Lauke <redux at splintered.co.uk>  2014-05-20 10:28:42 PST ---
Adding this from https://bugs.webkit.org/show_bug.cgi?id=133114 here:

Although there seems to be no immediate desire to implement the full Pointer Events specification (see https://bugs.webkit.org/show_bug.cgi?id=105463), it may be worth considering at least supporting the touch-action:manipulation CSS property/value. 
This recent addition (the "manipulation" value) to the Pointer Events specification is used - in essence - to allow developers to suppress the classic 300ms delay present on touchscreen devices that by default allows for "double-tap to zoom", while retaining other abilities such as scrolling and pinch-to-zoom. It offers a compromise to the often drastic preventDefault() commonly used in touch-optimised applications (which does remove the 300ms delay, but also kills any other default interactions).

touch-action:manipulation is on track to be rolled out in both Firefox and Chrome - see

"Bug 979345 - Implement "touch-action: manipulation" CSS value for Pointer Events" https://bugzilla.mozilla.org/show_bug.cgi?id=979345
"Issue 349016:    Add support for touch-action: manipulation" https://code.google.com/p/chromium/issues/detail?id=349016

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