RESOLVED DUPLICATE of bug 139681 197773
[GTK] Touchscreen detection false positive 
https://bugs.webkit.org/show_bug.cgi?id=197773
Summary [GTK] Touchscreen detection false positive
Ryan DeBeasi
Reported 2019-05-10 07:34:43 PDT
WebKitGTK is detecting a touch screen on my device, even though I don't have a touch screen. I'm not seeing this behavior on Firefox or Chrome. I'm running GNOME Web 3.28.1 on Elementary OS Juno (Ubuntu 18.04.2 LTS) on a Dell XPS 13 (9343). To reproduce: 1. Open GNOME Web on a device that does not have a touchscreen. 2. Open the browser developer tools. 3. Go to Console. 4. Type `window.matchMedia("(any-pointer:coarse)").matches`. 5. `true` appears. Following the same steps in Firefox or Chrome produces `false`. Alternately, this page also reproduces the problem: https://patrickhlauke.github.io/touch/touchscreen-detection/ Potential related issue: https://bugs.webkit.org/show_bug.cgi?id=144765 Thank you!!
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Carlos Garcia Campos
Comment 1 2019-05-22 04:12:09 PDT
*** This bug has been marked as a duplicate of bug 139681 ***
Michael Catanzaro
Comment 2 2019-05-22 06:31:43 PDT
Are you sure this is a duplicate that would be fixed by bug #139681? This isn't about touch events, this is about window.matchMedia().
Carlos Garcia Campos
Comment 3 2019-05-22 07:19:15 PDT
Yes, window.matchMedia("(any-pointer:coarse)").matches is false when building with touch events disabled.
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