[PATCH v4 4/4] uiautomationcore: Return TRUE from UiaClientsAreListening().

[Connor McAdams]

From: Connor McAdams

This function always returns TRUE on Windows 7 and above, and now that we
have stubs for all the event raising functions there should be no harm
in doing the same.

Signed-off-by: Connor McAdams 
---
 dlls/uiautomationcore/tests/uiautomation.c | 10 ++++++++++
 dlls/uiautomationcore/uia_main.c           |  4 ++--
 include/uiautomationcoreapi.h              |  1 +
 3 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/dlls/uiautomationcore/tests/uiautomation.c b/dlls/uiautomationcore/tests/uiautomation.c
index 6cb6e56d99b..67dcb04dadc 100644
--- a/dlls/uiautomationcore/tests/uiautomation.c
+++ b/dlls/uiautomationcore/tests/uiautomation.c
@@ -18607,6 +18607,15 @@ static void test_uia_event_ProxyProviderWinEventHandler(void)
     UiaRegisterProviderCallback(NULL);
 }

+static void test_UiaClientsAreListening(void)
+{
+    BOOL ret;
+
+    /* Always returns TRUE on Windows 7 and above. */
+    ret = UiaClientsAreListening();
+    ok(!!ret, "ret != TRUE\n");
+}
+
 /*
  * Once a process returns a UI Automation provider with
  * UiaReturnRawElementProvider it ends up in an implicit MTA until exit. This
@@ -18663,6 +18672,7 @@ START_TEST(uiautomation)
         return;
     }

+    test_UiaClientsAreListening();
     test_UiaHostProviderFromHwnd();
     test_uia_reserved_value_ifaces();
     test_UiaLookupId();
diff --git a/dlls/uiautomationcore/uia_main.c b/dlls/uiautomationcore/uia_main.c
index 9ca320b1ba0..8c7a72bb35e 100644
--- a/dlls/uiautomationcore/uia_main.c
+++ b/dlls/uiautomationcore/uia_main.c
@@ -264,8 +264,8 @@ static const IRawElementProviderSimpleVtbl hwnd_host_provider_vtbl = {
  */
 BOOL WINAPI UiaClientsAreListening(void)
 {
-    FIXME("()\n");
-    return FALSE;
+    TRACE("()\n");
+    return TRUE;
 }

/***********************************************************************
diff --git a/include/uiautomationcoreapi.h b/include/uiautomationcoreapi.h
index 0fd942f3f37..fbfbc46b09c 100644
--- a/include/uiautomationcoreapi.h
+++ b/include/uiautomationcoreapi.h
@@ -559,6 +559,7 @@ HRESULT WINAPI UiaRemoveEvent(HUIAEVENT huiaevent);
 HRESULT WINAPI UiaEventAddWindow(HUIAEVENT huiaevent, HWND hwnd);
 HRESULT WINAPI UiaEventRemoveWindow(HUIAEVENT huiaevent, HWND hwnd);
 BOOL WINAPI UiaHasServerSideProvider(HWND hwnd);
+BOOL WINAPI UiaClientsAreListening(void);

#ifdef __cplusplus
 }