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RE: IE implementation of navigator.maxTouchPoints

From: Jacob Rossi <Jacob.Rossi@microsoft.com>
Date: Fri, 12 Sep 2014 17:49:00 +0000
To: Sangwhan Moon <sangwhan@iki.fi>, Rick Byers <rbyers@chromium.org>
CC: Sangwhan Moon <smoon@opera.com>, "public-pointer-events@w3.org" <public-pointer-events@w3.org>, David Bokan <bokan@chromium.org>
Message-ID: <5729f2a7eff44d35b00a803b78da1cc7@BY2PR03MB457.namprd03.prod.outlook.com>
On Wed, Sep 10, 2014 at 6:46 PM, Rick Byers <rbyers@chromium.org> wrote:
>
> Thank you!  Indeed it looks like this is Windows 7 only, and unlike IE we do still want to support touchscreens on Windows 7 (a small but non-trivial fraction of our touchscreen users are still on Windows 7).  It looks like SM_DIGITIZER is false in these cases, so I think we can try looking at SM_MAXIMUMTOUCHES only when SM_DIGITIZER is true. Sound reasonable to you?

I'm not an expert with these APIs. I have a mail thread with the Windows team that builds these APIs asking for advice and any implications of the design you suggested. I'll let you know what I find out.

-Jacob
Received on Friday, 12 September 2014 17:49:30 UTC

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