AX: After a dynamic contenteditable change, accessibility objects do …

…not update their role https://bugs.webkit.org/show_bug.cgi?id=244126 rdar://problem/98886191 Reviewed by Chris Fleizach. With this patch, we now update the role of the object associated with the contenteditable change. * LayoutTests/accessibility/dynamically-unignored-contenteditable-expected.txt: Added. * LayoutTests/accessibility/dynamically-unignored-contenteditable.html: Added. * LayoutTests/platform/glib/accessibility/dynamically-unignored-contenteditable-expected.txt: Added. * Source/WebCore/accessibility/AXObjectCache.cpp: (WebCore::AXObjectCache::handleAttributeChange): Canonical link: https://commits.webkit.org/253630@main
WebKit · Aug 21, 2022 · c05d71c · c05d71c
1 parent 16a4b06
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diff --git a/LayoutTests/accessibility/dynamically-unignored-contenteditable-expected.txt b/LayoutTests/accessibility/dynamically-unignored-contenteditable-expected.txt
@@ -0,0 +1,23 @@
+This test ensures that we properly change an object's ignored status after dynamically changing its contenteditable attribute.
+
+#div is initially ignored: true
+#wrapper children:
+
+Adding contenteditable='true' to #div.
+#div is ignored: false
+#wrapper children:
+AXRole: AXTextArea
+
+Removing contenteditable='true' from #div.
+#div is ignored: true
+#wrapper children:
+
+Adding role='button' to #div.
+#div is ignored: false
+#wrapper children:
+AXRole: AXButton
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
diff --git a/LayoutTests/accessibility/dynamically-unignored-contenteditable.html b/LayoutTests/accessibility/dynamically-unignored-contenteditable.html
@@ -0,0 +1,64 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<script src="../resources/accessibility-helper.js"></script>
+<script src="../resources/js-test.js"></script>
+</head>
+<body>
+
+<div id="wrapper" role="group">
+    <div id="div"></div>
+</div>
+
+<script>
+    var testOutput = "This test ensures that we properly change an object's ignored status after dynamically changing its contenteditable attribute.\n\n";
+
+    function isIgnored(id) {
+        const axElement = accessibilityController.accessibleElementById(id);
+        if (!axElement)
+            return true;
+        return axElement.isIgnored;
+    }
+
+    function addWrapperChildrenToOutput() {
+        testOutput += "#wrapper children:\n";
+        const wrapper = accessibilityController.accessibleElementById("wrapper");
+        for (let i = 0; i < wrapper.childrenCount; i++)
+            testOutput += `${wrapper.childAtIndex(i).role}\n`;
+    }
+
+    if (window.accessibilityController) {
+        window.jsTestIsAsync = true;
+
+        testOutput += `#div is initially ignored: ${isIgnored("div")}\n`;
+        addWrapperChildrenToOutput();
+
+        testOutput += "\nAdding contenteditable='true' to #div.\n";
+        document.getElementById("div").contentEditable = "true";
+        setTimeout(async function() {
+            await waitFor(() => !isIgnored("div"));
+            testOutput += `#div is ignored: ${isIgnored("div")}\n`;
+            addWrapperChildrenToOutput();
+
+            testOutput += "\nRemoving contenteditable='true' from #div.\n";
+            document.getElementById("div").removeAttribute("contenteditable");
+
+            await waitFor(() => isIgnored("div"));
+            testOutput += `#div is ignored: ${isIgnored("div")}\n`;
+            addWrapperChildrenToOutput();
+
+            testOutput += "\nAdding role='button' to #div.\n";
+            document.getElementById("div").setAttribute("role", "button");
+
+            await waitFor(() => !isIgnored("div"));
+            testOutput += `#div is ignored: ${isIgnored("div")}\n`;
+            addWrapperChildrenToOutput();
+
+            debug(testOutput);
+            finishJSTest();
+        }, 0);
+    }
+</script>
+</body>
+</html>
+
diff --git a/LayoutTests/platform/glib/accessibility/dynamically-unignored-contenteditable-expected.txt b/LayoutTests/platform/glib/accessibility/dynamically-unignored-contenteditable-expected.txt
@@ -0,0 +1,23 @@
+This test ensures that we properly change an object's ignored status after dynamically changing its contenteditable attribute.
+
+#div is initially ignored: true
+#wrapper children:
+
+Adding contenteditable='true' to #div.
+#div is ignored: false
+#wrapper children:
+AXRole: AXTextField
+
+Removing contenteditable='true' from #div.
+#div is ignored: true
+#wrapper children:
+
+Adding role='button' to #div.
+#div is ignored: false
+#wrapper children:
+AXRole: AXButton
+
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
diff --git a/LayoutTests/platform/win/TestExpectations b/LayoutTests/platform/win/TestExpectations
@@ -467,6 +467,9 @@ fast/events/mouseover-button.html [ Skip ]
 # TODO Accept header is handled by the browser
 http/tests/misc/image-checks-for-accept.html [ Skip ]
 
+# Failing since added in https://bugs.webkit.org/show_bug.cgi?id=244126.
+accessibility/dynamically-unignored-contenteditable.html [ Skip ]
+
 # Timing out since added in https://bugs.webkit.org/show_bug.cgi?id=240750 (likely some missing AccessibilityUIElement implementation).
 accessibility/table-exposure-updates-dynamically.html [ Skip ]
 

diff --git a/Source/WebCore/accessibility/AXObjectCache.cpp b/Source/WebCore/accessibility/AXObjectCache.cpp
@@ -1953,6 +1953,10 @@ void AXObjectCache::handleAttributeChange(Element* element, const QualifiedName&
         handleRoleChanged(element);
     else if (attrName == altAttr || attrName == titleAttr)
         handleTextChanged(getOrCreate(element));
+    else if (attrName == contenteditableAttr) {
+        if (auto* axObject = get(element))
+            axObject->updateRole();
+    }
     else if (attrName == disabledAttr)
         postNotification(element, AXObjectCache::AXDisabledStateChanged);
     else if (attrName == forAttr && is<HTMLLabelElement>(*element))