[Webkit-unassigned] [Bug 253337] New: AX: Optimize AccessibilityObject::supportsPressAction() and eagerly cache AXPropertyName::SupportsPressAction
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Fri Mar 3 12:14:34 PST 2023
https://bugs.webkit.org/show_bug.cgi?id=253337
Bug ID: 253337
Summary: AX: Optimize
AccessibilityObject::supportsPressAction() and eagerly
cache AXPropertyName::SupportsPressAction
Product: WebKit
Version: Other
Hardware: Unspecified
OS: Unspecified
Status: NEW
Severity: Normal
Priority: P2
Component: Accessibility
Assignee: webkit-unassigned at lists.webkit.org
Reporter: tyler_w at apple.com
CC: andresg_22 at apple.com,
webkit-bug-importer at group.apple.com
In https://bugs.webkit.org/show_bug.cgi?id=240473, we moved AXPropertyName::SupportsPressAction to a lazy-caching mechanism because it was too expensive to compute. This is not ideal as many AX clients ask for accessibilityActionNames (through which `AXCoreObject::supportsPressAction` is called) once per navigation request, meaning we have to hit the main-thread for each navigation request.
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