[Fabric] Fix for Text and TextInput focus issue with screen readers (#15088)

* Few more implementation of TextRange Provider

* Yarn change

* Update Change file

Author: vineethkuttan

change/react-native-windows-4046d3e2-cc00-459e-b62d-4489b3ef14d1.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "[Fabric] Fix for Text and TextInput focus issue with screen readers.",
+  "packageName": "react-native-windows",
+  "email": "kvineeth@microsoft.com",
+  "dependentChangeType": "patch"
+}

vnext/Microsoft.ReactNative/Fabric/Composition/CompositionTextRangeProvider.cpp

@@ -18,14 +18,30 @@ CompositionTextRangeProvider::CompositionTextRangeProvider(
 }
 
 HRESULT __stdcall CompositionTextRangeProvider::Clone(ITextRangeProvider **pRetVal) {
-  // no-op
-  *pRetVal = nullptr;
+  if (pRetVal == nullptr)
+    return E_POINTER;
+
+  auto clone = winrt::make<winrt::Microsoft::ReactNative::implementation::CompositionTextRangeProvider>(
+      m_view.view().as<winrt::Microsoft::ReactNative::Composition::ComponentView>(), m_parentProvider.get());
+  *pRetVal = clone.detach();
   return S_OK;
 }
 
 HRESULT __stdcall CompositionTextRangeProvider::Compare(ITextRangeProvider *range, BOOL *pRetVal) {
-  // no-op
-  *pRetVal = false;
+  if (pRetVal == nullptr)
+    return E_POINTER;
+  if (range == nullptr) {
+    *pRetVal = FALSE;
+    return S_OK;
+  }
+
+  // Try to cast to our type , considering provider only supports a single range per view
+  auto other = dynamic_cast<CompositionTextRangeProvider *>(range);
+  if (other && other->m_view.view() == m_view.view()) {
+    *pRetVal = TRUE;
+  } else {
+    *pRetVal = FALSE;
+  }
   return S_OK;
 }
 
@@ -34,7 +50,10 @@ HRESULT __stdcall CompositionTextRangeProvider::CompareEndpoints(
     ITextRangeProvider *targetRange,
     TextPatternRangeEndpoint targetEndpoint,
     int *pRetVal) {
-  // no-op
+  if (pRetVal == nullptr)
+    return E_POINTER;
+
+  // For a single-range provider, always equal:
   *pRetVal = 0;
   return S_OK;
 }
@@ -98,13 +117,13 @@ HRESULT __stdcall CompositionTextRangeProvider::GetAttributeValue(TEXTATTRIBUTEI
       textTransform = props->textAttributes.textTransform.value();
     }
     if (fontVariant == facebook::react::FontVariant::SmallCaps) {
-      return CapStyle_SmallCap;
+      pRetVal->lVal = CapStyle_SmallCap;
     } else if (textTransform == facebook::react::TextTransform::Capitalize) {
-      return CapStyle_Titling;
+      pRetVal->lVal = CapStyle_Titling;
     } else if (textTransform == facebook::react::TextTransform::Lowercase) {
-      return CapStyle_None;
+      pRetVal->lVal = CapStyle_None;
     } else if (textTransform == facebook::react::TextTransform::Uppercase) {
-      return CapStyle_AllCap;
+      pRetVal->lVal = CapStyle_AllCap;
     }
   } else if (attributeId == UIA_FontNameAttributeId) {
     pRetVal->vt = VT_BSTR;
@@ -282,6 +301,8 @@ HRESULT __stdcall CompositionTextRangeProvider::ScrollIntoView(BOOL alignToTop)
   return S_OK;
 }
 
+// All the below methods should be implemented once the selection comes for paragraph and TextInput
+
 HRESULT __stdcall CompositionTextRangeProvider::AddToSelection() {
   // no-op
   return S_OK;