[WIP] Implement UIA Invoke Method (#11874)

* Implement Invoke

* Change files

* Format

* Adjust Call

* Adjust Call

* Address Feedback

* Format

* Fix

* Merge

* Address Feedback

* Fix

* Remove

* Fix

* Format

* Fix UIA Tree Issue

* Address Feedback

* Implement Invoke

* Change files

* Remove Unneeded

* Format

Author: chiaramooney

change/react-native-windows-fcb20088-d74a-479f-8b41-d95d797de8a4.json

@@ -0,0 +1,7 @@
+{
+  "type": "prerelease",
+  "comment": "Implement Invoke",
+  "packageName": "react-native-windows",
+  "email": "34109996+chiaramooney@users.noreply.github.com",
+  "dependentChangeType": "patch"
+}

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

@@ -129,6 +129,24 @@ HRESULT __stdcall CompositionDynamicAutomationProvider::GetPatternProvider(PATTE
 
   *pRetVal = nullptr;
 
+  auto strongView = m_view.view();
+  if (strongView == nullptr)
+    return UIA_E_ELEMENTNOTAVAILABLE;
+
+  auto props = std::static_pointer_cast<const facebook::react::ViewProps>(strongView->props());
+  if (props == nullptr)
+    return UIA_E_ELEMENTNOTAVAILABLE;
+  auto accessibilityRole = props->accessibilityRole;
+  // Invoke control pattern is used to support controls that do not maintain state
+  // when activated but rather initiate or perform a single, unambiguous action.
+  if (patternId == UIA_InvokePatternId &&
+      (accessibilityRole == "button" || accessibilityRole == "imagebutton" || accessibilityRole == "link" ||
+       accessibilityRole == "splitbutton" || (accessibilityRole == "menuitem" && props->onAccessibilityTap) ||
+       (accessibilityRole == "treeitem" && props->onAccessibilityTap))) {
+    *pRetVal = static_cast<IInvokeProvider *>(this);
+    AddRef();
+  }
+
   return S_OK;
 }
 
@@ -278,4 +296,24 @@ HRESULT __stdcall CompositionDynamicAutomationProvider::get_HostRawElementProvid
   return S_OK;
 }
 
+HRESULT __stdcall CompositionDynamicAutomationProvider::Invoke() {
+  auto strongView = m_view.view();
+
+  if (!strongView)
+    return UIA_E_ELEMENTNOTAVAILABLE;
+
+  auto baseView = std::static_pointer_cast<::Microsoft::ReactNative::CompositionBaseComponentView>(strongView);
+  if (baseView == nullptr)
+    return UIA_E_ELEMENTNOTAVAILABLE;
+
+  baseView.get()->GetEventEmitter().get()->onAccessibilityTap();
+  auto uiaProvider = baseView->EnsureUiaProvider();
+  auto spProviderSimple = uiaProvider.try_as<IRawElementProviderSimple>();
+  if (spProviderSimple != nullptr) {
+    UiaRaiseAutomationEvent(spProviderSimple.get(), UIA_Invoke_InvokedEventId);
+  }
+
+  return S_OK;
+}
+
 } // namespace winrt::Microsoft::ReactNative::implementation

vnext/Microsoft.ReactNative/Fabric/Composition/CompositionDynamicAutomationProvider.h

@@ -4,14 +4,16 @@
 #include <Fabric/ReactTaggedView.h>
 #include <UIAutomation.h>
 #include <inspectable.h>
+#include <uiautomationcore.h>
 
 namespace winrt::Microsoft::ReactNative::implementation {
 
 class CompositionDynamicAutomationProvider : public winrt::implements<
                                                  CompositionDynamicAutomationProvider,
                                                  IInspectable,
                                                  IRawElementProviderFragment,
-                                                 IRawElementProviderSimple> {
+                                                 IRawElementProviderSimple,
+                                                 IInvokeProvider> {
  public:
   CompositionDynamicAutomationProvider(
       const std::shared_ptr<::Microsoft::ReactNative::CompositionBaseComponentView> &componentView) noexcept;
@@ -31,6 +33,9 @@ class CompositionDynamicAutomationProvider : public winrt::implements<
   virtual HRESULT __stdcall get_HostRawElementProvider(IRawElementProviderSimple **pRetVal) override;
   // virtual HRESULT __stdcall ShowContextMenu() noexcept override;
 
+  // inherited via IInvokeProvider
+  virtual HRESULT __stdcall Invoke() override;
+
  private:
   ::Microsoft::ReactNative::ReactTaggedView m_view;
 };