[PATCH v41 8/8] win32u: Handle dbus notification balloons from system_tray_call

[Sergei Chernyadyev]

From: Sergei Chernyadyev

---
 dlls/win32u/systray.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dlls/win32u/systray.c b/dlls/win32u/systray.c
index 805a13fcf13..f914cd241d3 100644
--- a/dlls/win32u/systray.c
+++ b/dlls/win32u/systray.c
@@ -35,6 +35,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(systray);

#ifdef SONAME_LIBDBUS_1
 static volatile LONG sni_initialized = (LONG)FALSE;
+static volatile LONG dbus_notifications_initialized = (LONG)FALSE;
 #endif

LRESULT system_tray_call( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, void *data )
@@ -70,6 +71,18 @@ LRESULT system_tray_call( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, voi
         else if (msg == WINE_SYSTRAY_CLEANUP_ICONS)
             return snidrv_cleanup_notify_icons( hwnd );
     }
+
+    if (msg == WINE_SYSTRAY_SHOW_BALLOON)
+    {
+        LONG l_dbus_notifications_initialized = InterlockedCompareExchange(&dbus_notifications_initialized, (LONG)FALSE, (LONG)FALSE);
+        if (!l_dbus_notifications_initialized && snidrv_notification_init())
+        {
+            InterlockedCompareExchange(&dbus_notifications_initialized, TRUE, FALSE);
+            l_dbus_notifications_initialized = TRUE;
+        }
+        if (l_dbus_notifications_initialized)
+            return snidrv_show_balloon(hwnd, wparam, lparam, data);
+    }
 #endif

switch (msg)