1 files changed, 114 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/ds9/compointer.h b/src/3rdparty/phonon/ds9/compointer.h
new file mode 100644
index 0000000000..180febf820
--- /dev/null
+++ b/src/3rdparty/phonon/ds9/compointer.h
@@ -0,0 +1,114 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library 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 for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PHONON_COMPOINTER_H
+#define PHONON_COMPOINTER_H
+
+#include <windows.h>
+#include <dshow.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+    namespace DS9
+    {
+        template<class T> class ComPointer
+        {
+        public:
+            explicit ComPointer(T *t = 0) : m_t(t)
+            {
+            }
+
+            explicit ComPointer( const IID &clsid, const IID &iid) : m_t(0)
+            {
+                ::CoCreateInstance(clsid, 0, CLSCTX_INPROC_SERVER, iid,
+                    reinterpret_cast<void**>(&m_t));
+            }
+
+            explicit ComPointer(IUnknown *_unk, const GUID &guid) : m_t(0)
+            {
+                if (_unk) {
+                    _unk->QueryInterface(guid, reinterpret_cast<void**>(&m_t));
+                }
+            }
+
+            ComPointer(const ComPointer<T> &other) : m_t(other.m_t)
+            {
+                if (m_t) {
+                    m_t->AddRef();
+                }
+            }
+
+            ComPointer<T> &operator=(const ComPointer<T> &other)
+            {
+                if (other.m_t) {
+                    other.m_t->AddRef();
+                }
+                if (m_t) { 
+                    m_t->Release();
+                }
+                m_t = other.m_t;
+                return *this;
+            }
+
+            T *operator->() const 
+            {
+                return m_t;
+            }
+
+            operator T*() const 
+            {
+                return m_t; 
+            }
+
+            //the following method first reinitialize their value to avoid mem leaks
+            T ** pparam()
+            {
+                if (m_t) { 
+                    m_t->Release();
+                    m_t = 0;
+                }
+                return &m_t;
+            }
+
+			bool operator==(const ComPointer<T> &other) const
+            {
+                return m_t == other.m_t;
+            }
+
+            bool operator!=(const ComPointer<T> &other) const
+            {
+                return m_t != other.m_t;
+            }
+
+            ~ComPointer()
+            {
+                if (m_t) { 
+                    m_t->Release();
+                }
+            }
+
+        private:
+            T *m_t;
+        };
+    }
+}
+
+QT_END_NAMESPACE
+
+#endif