1 files changed, 171 insertions, 0 deletions
diff --git a/shell/source/win32/shlxthandler/classfactory.cxx b/shell/source/win32/shlxthandler/classfactory.cxx
new file mode 100755
index 000000000000..e19dd68383b4
--- /dev/null
+++ b/shell/source/win32/shlxthandler/classfactory.cxx
@@ -0,0 +1,171 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_shell.hxx"
+#include "internal/global.hxx"
+#include "classfactory.hxx"
+#include "internal/infotips.hxx"
+#include "internal/propsheets.hxx"
+#include "internal/columninfo.hxx"
+#ifdef __MINGW32__
+#include <algorithm>
+using ::std::max;
+using ::std::min;
+#endif
+#include "internal/thumbviewer.hxx"
+#include "internal/shlxthdl.hxx"
+
+//-----------------------------
+//
+//-----------------------------
+
+long CClassFactory::s_ServerLocks = 0;
+
+//-----------------------------
+//
+//-----------------------------
+
+CClassFactory::CClassFactory(const CLSID& clsid) :
+    m_RefCnt(1),
+    m_Clsid(clsid)
+{
+    InterlockedIncrement(&g_DllRefCnt);
+}
+
+//-----------------------------
+//
+//-----------------------------
+
+CClassFactory::~CClassFactory()
+{
+    InterlockedDecrement(&g_DllRefCnt);
+}
+
+//-----------------------------
+// IUnknown methods
+//-----------------------------
+
+HRESULT STDMETHODCALLTYPE CClassFactory::QueryInterface(REFIID riid, void __RPC_FAR *__RPC_FAR *ppvObject)
+{
+    *ppvObject = 0;
+
+    if (IID_IUnknown == riid || IID_IClassFactory == riid)
+    {
+        IUnknown* pUnk = this;
+        pUnk->AddRef();
+        *ppvObject = pUnk;
+        return S_OK;
+    }
+
+    return E_NOINTERFACE;
+}
+
+//-----------------------------
+//
+//-----------------------------
+
+ULONG STDMETHODCALLTYPE CClassFactory::AddRef(void)
+{
+    return InterlockedIncrement(&m_RefCnt);
+}
+
+//-----------------------------
+//
+//-----------------------------
+
+ULONG STDMETHODCALLTYPE CClassFactory::Release(void)
+{
+    long refcnt = InterlockedDecrement(&m_RefCnt);
+
+    if (0 == refcnt)
+        delete this;
+
+    return refcnt;
+}
+
+//-----------------------------
+// IClassFactory methods
+//-----------------------------
+
+HRESULT STDMETHODCALLTYPE CClassFactory::CreateInstance(
+            IUnknown __RPC_FAR *pUnkOuter,
+            REFIID riid,
+            void __RPC_FAR *__RPC_FAR *ppvObject)
+{
+    if ((pUnkOuter != NULL))
+        return CLASS_E_NOAGGREGATION;
+
+    IUnknown* pUnk = 0;
+
+    if (CLSID_PROPERTYSHEET_HANDLER == m_Clsid)
+        pUnk = static_cast<IShellExtInit*>(new CPropertySheet());
+
+    else if (CLSID_INFOTIP_HANDLER == m_Clsid)
+        pUnk = static_cast<IQueryInfo*>(new CInfoTip());
+
+    else if (CLSID_COLUMN_HANDLER == m_Clsid)
+        pUnk = static_cast<IColumnProvider*>(new CColumnInfo());
+
+    else if (CLSID_THUMBVIEWER_HANDLER == m_Clsid)
+        pUnk = static_cast<IExtractImage*>(new CThumbviewer());
+
+    POST_CONDITION(pUnk != 0, "Could not create COM object");
+
+    if (0 == pUnk)
+        return E_OUTOFMEMORY;
+
+    HRESULT hr = pUnk->QueryInterface(riid, ppvObject);
+
+    // if QueryInterface failed the component will destroy itself
+    pUnk->Release();
+
+    return hr;
+}
+
+//-----------------------------
+//
+//-----------------------------
+
+HRESULT STDMETHODCALLTYPE CClassFactory::LockServer(BOOL fLock)
+{
+    if (fLock)
+        InterlockedIncrement(&s_ServerLocks);
+    else
+        InterlockedDecrement(&s_ServerLocks);
+
+    return S_OK;
+}
+
+//-----------------------------
+//
+//-----------------------------
+
+bool CClassFactory::IsLocked()
+{
+    return (s_ServerLocks > 0);
+}