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Issue metadata

Status: WontFix
Owner: ----
Closed: Jan 2018
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Windows
Pri: 3
Type: Bug



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maxTouchPoints occasionally returns 1 instead of 0 on non-touch Windows 10 laptop

Reported by wojtek....@gmail.com, Dec 19 2017

Issue description

Chrome Version       : 63.0.3239.108
OS Version: Windows 10 16299.125
URLs (if applicable) : n/a
Other browsers tested:
  Add OK or FAIL after other browsers where you have tested this issue:
     Safari: not tested
    Firefox: OK
    IE/Edge: OK when pointer events enabled by dom.w3c_pointer_events.enabled flag set to true

What steps will reproduce the problem?
1. On non touch enabled computer, open console
2. Type navigator.maxTouchPoints

What is the expected result?

Console always returns 0

What happens instead of that?

Console occasionally returns 1. Interestingly, while I'm testing it on the same machine, I cannot reproduce this 100% at the time. I have a laptop with 1 external monitor plugged in.

Please provide any additional information below. Attach a screenshot if
possible.

 
maxTouchPoints issue.png
61.9 KB View Download

Comment 1 by bokan@chromium.org, Dec 19 2017

Cc: bokan@chromium.org
Components: Blink>Input
It may actually be a false positive, connected with device emulation.
Labels: Needs-Triage-M63
Labels: TE-NeedsTriageFromHYD Triaged-ET
Unable to reproduce the issue on Win-10 non-touch enabled desktop using chrome reported version #63.0.3239.108 and latest canary #65.0.3299.0.

As per bug summary it seems the issue is specific to non-touch Windows 10 laptop and ET-team doesn't have the above mentioned device. Hence, forwarding the issue to inhouse team for further investigation.

Thanks...!!
Cc: dtapu...@chromium.org
Status: WontFix (was: Unconfirmed)
You have devtools mobile emulation mode enabled which will indicate there is a touch point. Disable the emulation mode and all should be well.

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