void AXObjectCache::textMarkerDataForVisiblePosition(TextMarkerData& textMarkerData, const VisiblePosition& visiblePos) { // This memory must be bzero'd so instances of TextMarkerData can be tested for byte-equivalence. // This also allows callers to check for failure by looking at textMarkerData upon return. memset(&textMarkerData, 0, sizeof(TextMarkerData)); if (visiblePos.isNull()) return; Position deepPos = visiblePos.deepEquivalent(); Node* domNode = deepPos.deprecatedNode(); ASSERT(domNode); if (!domNode) return; if (domNode->isHTMLElement()) { HTMLInputElement* inputElement = domNode->toInputElement(); if (inputElement && inputElement->isPasswordField()) return; } // find or create an accessibility object for this node AXObjectCache* cache = domNode->document()->axObjectCache(); RefPtr<AccessibilityObject> obj = cache->getOrCreate(domNode); textMarkerData.axID = obj.get()->axObjectID(); textMarkerData.node = domNode; textMarkerData.offset = deepPos.deprecatedEditingOffset(); textMarkerData.affinity = visiblePos.affinity(); cache->setNodeInUse(domNode); }