NEW230167
AX: Enable searching of plugin tree for NSAccessibilityUIElementsForSearchPredicateParameterizedAttribute requests 
https://bugs.webkit.org/show_bug.cgi?id=230167
Summary AX: Enable searching of plugin tree for NSAccessibilityUIElementsForSearchPre...
Tyler Wilcock
Reported 2021-09-10 12:55:23 PDT
Bug https://bugs.webkit.org/show_bug.cgi?id=229556 exposes the root plugin object for NSAccessibilityUIElementsForSearchPredicateParameterizedAttribute requests with SearchKey::AnyType. However, we should also support searching of elements inside the plugin tree. For example, if the underlying plugin is a PDF that has a control, and we receive a request with SearchKey::Control criteria, we should be able to return that PDF control. To do this, we'll either need to perform the plugin tree traversal and matching ourselves, or ask the plugin to do it in some standard way, since the plugin could represent anything (i.e. not just PDFs).
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Radar WebKit Bug Importer
Comment 1 2021-09-10 12:57:35 PDT
<rdar://problem/82985452>
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