1 files changed, 66 insertions, 0 deletions
diff --git a/src/native/windows/msofficecomm/MessengerClassFactory.cxx b/src/native/windows/msofficecomm/MessengerClassFactory.cxx
new file mode 100644
index 0000000..2152df5
--- /dev/null
+++ b/src/native/windows/msofficecomm/MessengerClassFactory.cxx
@@ -0,0 +1,66 @@
+/*
+ * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+#include "MessengerClassFactory.h"
+
+#include "Messenger.h"
+
+EXTERN_C const GUID DECLSPEC_SELECTANY CLSID_Messenger
+    = { 0x8885370D, 0xB33E, 0x44b7, { 0x87, 0x5D, 0x28, 0xE4, 0x03, 0xCF, 0x92, 0x70 } };
+
+STDMETHODIMP
+MessengerClassFactory::CreateInstance(LPUNKNOWN outer, REFIID iid, PVOID *obj)
+{
+    HRESULT hr;
+
+    if (outer)
+    {
+        *obj = NULL;
+        hr = CLASS_E_NOAGGREGATION;
+    }
+    else
+    {
+        IMessenger *messenger;
+
+        if (_messenger)
+        {
+            hr = _messenger->Resolve(IID_IMessenger, (PVOID *) &messenger);
+            if (FAILED(hr) && (E_NOINTERFACE != hr))
+            {
+                _messenger->Release();
+                _messenger = NULL;
+            }
+        }
+        else
+            messenger = NULL;
+        if (!messenger)
+        {
+            messenger = new Messenger();
+
+            IWeakReferenceSource *weakReferenceSource;
+
+            hr
+                = messenger->QueryInterface(
+                        IID_IWeakReferenceSource,
+                        (PVOID *) &weakReferenceSource);
+            if (SUCCEEDED(hr))
+            {
+                IWeakReference *weakReference;
+
+                hr = weakReferenceSource->GetWeakReference(&weakReference);
+                if (SUCCEEDED(hr))
+                {
+                    if (_messenger)
+                        _messenger->Release();
+                    _messenger = weakReference;
+                }
+            }
+        }
+        hr = messenger->QueryInterface(iid, obj);
+        messenger->Release();
+    }
+    return hr;
+}