1 files changed, 47 insertions, 0 deletions
diff --git a/src/native/windows/msofficecomm/WeakReference.cxx b/src/native/windows/msofficecomm/WeakReference.cxx
new file mode 100644
index 0000000..a858917
--- /dev/null
+++ b/src/native/windows/msofficecomm/WeakReference.cxx
@@ -0,0 +1,47 @@
+/*
+ * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+#include "WeakReference.h"
+
+STDMETHODIMP WeakReference::QueryInterface(REFIID iid, PVOID *obj)
+{
+    HRESULT hr;
+
+    if (!obj)
+        hr = E_POINTER;
+    else if (IID_IWeakReferenceSource == iid)
+    {
+        /*
+         * While a weak reference to a weak reference should technically be
+         * possible, such functionality does not seem necessary at the time of
+         * this writing.
+         */
+        *obj = NULL;
+        hr = E_NOINTERFACE;
+    }
+    else
+        hr = UnknownImpl::QueryInterface(iid, obj);
+    return hr;
+}
+
+STDMETHODIMP WeakReference::Resolve(REFIID iid, PVOID *obj)
+{
+    HRESULT hr;
+
+    if (obj)
+    {
+        if (_iUnknown)
+            hr = _iUnknown->QueryInterface(iid, obj);
+        else
+        {
+            *obj = NULL;
+            hr = E_FAIL;
+        }
+    }
+    else
+        hr = E_POINTER;
+    return hr;
+}