[webkit-changes] [WebKit/WebKit] 8ac07e: Fix extra PointerEvents sometimes firing based on ...

[lilyspiniolas]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8ac07ed467eb20658b0335d847dce99dba51bc73
      https://github.com/WebKit/WebKit/commit/8ac07ed467eb20658b0335d847dce99dba51bc73
  Author: Lily Spiniolas <lily_spiniolas at apple.com>
  Date:   2024-08-20 (Tue, 20 Aug 2024)

  Changed paths:
    M Source/WebCore/dom/ios/PointerEventIOS.cpp
    M Source/WebKit/UIProcess/ios/WKTouchEventsGestureRecognizer.mm

  Log Message:
  -----------
  Fix extra PointerEvents sometimes firing based on altitudeAngle value
https://bugs.webkit.org/show_bug.cgi?id=278416
rdar://133721404

Reviewed by Abrar Rahman Protyasha.

A previous update to WKTouchEventsGestureRecognizer which changed the default value of altitudeAngle from 0 to pi/2
resulted in extra PointerEvents firing under certain circumstances.  This change reverts the value back to 0, and
instead checks if a stylus or touch input is being used in PointerEventIOS, setting altitudeAngle to the angle
reported by the stylus hardware or the default value of pi/2, respectively.

* Source/WebCore/dom/ios/PointerEventIOS.cpp:
(WebCore::m_predictedEvents):
* Source/WebKit/UIProcess/ios/WKTouchEventsGestureRecognizer.mm:
(-[WKTouchEventsGestureRecognizer _recordTouches:type:coalescedTouches:predictedTouches:]):

Canonical link: https://commits.webkit.org/282540@main



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