1 files changed, 134 insertions, 0 deletions
diff --git a/dtrans/source/inc/MtaOleClipb.hxx b/dtrans/source/inc/MtaOleClipb.hxx
new file mode 100644
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+++ b/dtrans/source/inc/MtaOleClipb.hxx
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+/*************************************************************************
+ *
+ * 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.
+ *
+ ************************************************************************/
+
+#ifndef _MTAOLECLIPB_HXX_
+#define _MTAOLECLIPB_HXX_
+
+#include <sal/types.h>
+#include <osl/mutex.hxx>
+
+#if defined _MSC_VER
+#pragma warning(push,1)
+#endif
+#include <objidl.h>
+#if defined _MSC_VER
+#pragma warning(pop)
+#endif
+
+//--------------------------------------------------------
+// the Mta-Ole clipboard class is for internal use only!
+// only one instance of this class should be created, the
+// user has to ensure this!
+// the class is not thread-safe because it will be used
+// only from within the clipboard service and the methods
+// of the clipboard service are already synchronized
+//--------------------------------------------------------
+
+class CMtaOleClipboard
+{
+public:
+    typedef void ( WINAPI *LPFNC_CLIPVIEWER_CALLBACK_t )( void );
+
+public:
+    CMtaOleClipboard( );
+    ~CMtaOleClipboard( );
+
+    // clipboard functions
+    HRESULT setClipboard( IDataObject* pIDataObject );
+    HRESULT getClipboard( IDataObject** ppIDataObject );
+    HRESULT flushClipboard( );
+
+    // register/unregister a clipboard viewer; there can only
+    // be one at a time; parameter NULL means unregister
+    // a clipboard viewer
+    // returns true on success else false; use GetLastError( ) in
+    // false case
+    sal_Bool registerClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback );
+
+private:
+    unsigned int run( );
+
+    // create a hidden windows which serves as an request
+    // target; so we guarantee synchronization
+    void createMtaOleReqWnd( );
+
+    // message support
+    sal_Bool postMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 );
+    LRESULT  sendMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 );
+
+    //---------------------------------------------------------------
+    // message handler functions; remeber these functions are called
+    // from a different thread context!
+    //---------------------------------------------------------------
+
+    LRESULT  onSetClipboard( IDataObject* pIDataObject );
+    LRESULT  onGetClipboard( LPSTREAM* ppStream );
+    LRESULT  onFlushClipboard( );
+    sal_Bool onRegisterClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback );
+
+    // win32 clipboard-viewer support
+    LRESULT onChangeCBChain( HWND hWndRemove, HWND hWndNext );
+    LRESULT onDrawClipboard( );
+
+    static LRESULT CALLBACK mtaOleReqWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
+    static unsigned int WINAPI oleThreadProc( LPVOID pParam );
+
+    static unsigned int WINAPI clipboardChangedNotifierThreadProc( LPVOID pParam );
+
+    sal_Bool WaitForThreadReady( ) const;
+
+private:
+    HANDLE                      m_hOleThread;
+    unsigned                    m_uOleThreadId;
+    HANDLE                      m_hEvtThrdReady;
+    HWND                        m_hwndMtaOleReqWnd;
+    ATOM                        m_MtaOleReqWndClassAtom;
+    HWND                        m_hwndNextClipViewer;
+    LPFNC_CLIPVIEWER_CALLBACK_t m_pfncClipViewerCallback;
+    sal_Bool                    m_bInRegisterClipViewer;
+
+    sal_Bool                    m_bRunClipboardNotifierThread;
+    HANDLE                      m_hClipboardChangedNotifierThread;
+    HANDLE                      m_hClipboardChangedNotifierEvents[2];
+    HANDLE&                     m_hClipboardChangedEvent;
+    HANDLE&                     m_hTerminateClipboardChangedNotifierEvent;
+    osl::Mutex                  m_ClipboardChangedEventCountMutex;
+    sal_Int32                   m_ClipboardChangedEventCount;
+
+    osl::Mutex                  m_pfncClipViewerCallbackMutex;
+
+    static CMtaOleClipboard*    s_theMtaOleClipboardInst;
+
+// not allowed
+private:
+    CMtaOleClipboard( const CMtaOleClipboard& );
+    CMtaOleClipboard& operator=( const CMtaOleClipboard& );
+
+    friend LRESULT CALLBACK mtaOleReqWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
+};
+
+#endif