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Changes between Initial Version and Version 1 of Ticket #1424, comment 3


Ignore:
Timestamp:
03/10/17 14:12:10 (4 years ago)
Author:
Antoine Martin
Comment:

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  • Ticket #1424, comment 3

    initial v1  
    1 I am moving video support to #1463. (too late for this release)
     1* video support moved to #1463. (too late for this release)
     2* tablet input device is ready: ticket:1390#comment:1
    23
    3 Tablet devices should be handled better than before as of r15253 + r15255.
    4 We normalize the wheel event values using the facebook code found here: [https://github.com/facebook/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js normalizeWheel.js]. And we try to send one event for each javascript wheel event we receive, unless those are very fine grained (from a tablet?).
    5 
    6 With debug enabled, the Javascript console shows that on Linux I'm getting a delta of 120 per event with Firefox, and ~156 for google chrome..
    7 We'll be able to handle this a lot better once we implement extended input device support (#173)
    8 
    9 Links:
    10 * [https://developer.mozilla.org/en-US/docs/Web/Events/wheel javascript wheel events] documentation
    11 * [http://phrogz.net/js/wheeldelta.html wheel delta test page]
    12 
    13 ----
    14 
    15 @afarr: since we don't have a reliable way of measuring performance, the only thing to test in this ticket is likely to be the scrolling with various browsers / os / devices.
     4@afarr: since we don't have a reliable way of measuring performance, I'm not sure there's anything here for you to test - feel free to close as FYI. (just bear in mind that the scrolling paint code still looks buggy with the html5 client: #1432?)