[Webkit-unassigned] [Bug 210716] pointermove event sometimes has incorrect pointerType of 'mouse' on touch interactions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=210716

--- Comment #8 from ae at seven.systems ---
OK, I've managed to isolate a test case. This took me literally hours and the bug is extremely odd:

It is actually connected to the HTML BUTTON element!

http://seven.systems/webkit-pointermove-test.html

The page has a global (window) 'pointermove' handler registered, which correctly gives 'touch' as pointerType.

HOWEVER, if you tap the BUTTON in the lower right corner, the global pointermove event will be fired (oddity #1), and it will have a pointerType of 'mouse'! (oddity #2).

I'm not ENTIRELY sure that this is exactly the same bug as the one I encountered in the larger app, but it WAS connected to various button elements in that app as well, so I assume it's the same or closely related.

You might want to change the title then!

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