[Webkit-unassigned] [Bug 255138] New: AX: Eliminate all ways AXCoreObject::elementRect could be called on an AXIsolatedObject

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Apr 6 21:26:52 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=255138

            Bug ID: 255138
           Summary: AX: Eliminate all ways AXCoreObject::elementRect could
                    be called on an AXIsolatedObject
           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 a future patch, we will be caching the AXCoreObject::relativeFrame of each isolated object. The relative frame is the position of an object relative to the current viewport (i.e. relative frame is affected by things like scrolling). This is different than `AXCoreObject::elementRect`, which is the "absolute" rect (relative to the root document origin, not effected by scrolling).

To avoid the need to cache both `elementRect` and `relativeFrame`, we should eliminate all ways `elementRect` could be called on an `AXIsolatedObject` in the wrapper and elsewhere.

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