1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _MTAOLECLIPB_HXX_ 29*cdf0e10cSrcweir #define _MTAOLECLIPB_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <sal/types.h> 32*cdf0e10cSrcweir #include <osl/mutex.hxx> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir #if defined _MSC_VER 35*cdf0e10cSrcweir #pragma warning(push,1) 36*cdf0e10cSrcweir #endif 37*cdf0e10cSrcweir #include <objidl.h> 38*cdf0e10cSrcweir #if defined _MSC_VER 39*cdf0e10cSrcweir #pragma warning(pop) 40*cdf0e10cSrcweir #endif 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir //-------------------------------------------------------- 43*cdf0e10cSrcweir // the Mta-Ole clipboard class is for internal use only! 44*cdf0e10cSrcweir // only one instance of this class should be created, the 45*cdf0e10cSrcweir // user has to ensure this! 46*cdf0e10cSrcweir // the class is not thread-safe because it will be used 47*cdf0e10cSrcweir // only from within the clipboard service and the methods 48*cdf0e10cSrcweir // of the clipboard service are already synchronized 49*cdf0e10cSrcweir //-------------------------------------------------------- 50*cdf0e10cSrcweir 51*cdf0e10cSrcweir class CMtaOleClipboard 52*cdf0e10cSrcweir { 53*cdf0e10cSrcweir public: 54*cdf0e10cSrcweir typedef void ( WINAPI *LPFNC_CLIPVIEWER_CALLBACK_t )( void ); 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir public: 57*cdf0e10cSrcweir CMtaOleClipboard( ); 58*cdf0e10cSrcweir ~CMtaOleClipboard( ); 59*cdf0e10cSrcweir 60*cdf0e10cSrcweir // clipboard functions 61*cdf0e10cSrcweir HRESULT setClipboard( IDataObject* pIDataObject ); 62*cdf0e10cSrcweir HRESULT getClipboard( IDataObject** ppIDataObject ); 63*cdf0e10cSrcweir HRESULT flushClipboard( ); 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir // register/unregister a clipboard viewer; there can only 66*cdf0e10cSrcweir // be one at a time; parameter NULL means unregister 67*cdf0e10cSrcweir // a clipboard viewer 68*cdf0e10cSrcweir // returns true on success else false; use GetLastError( ) in 69*cdf0e10cSrcweir // false case 70*cdf0e10cSrcweir sal_Bool registerClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback ); 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir private: 73*cdf0e10cSrcweir unsigned int run( ); 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir // create a hidden windows which serves as an request 76*cdf0e10cSrcweir // target; so we guarantee synchronization 77*cdf0e10cSrcweir void createMtaOleReqWnd( ); 78*cdf0e10cSrcweir 79*cdf0e10cSrcweir // message support 80*cdf0e10cSrcweir sal_Bool postMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 ); 81*cdf0e10cSrcweir LRESULT sendMessage( UINT msg, WPARAM wParam = 0, LPARAM lParam = 0 ); 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir //--------------------------------------------------------------- 84*cdf0e10cSrcweir // message handler functions; remeber these functions are called 85*cdf0e10cSrcweir // from a different thread context! 86*cdf0e10cSrcweir //--------------------------------------------------------------- 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir LRESULT onSetClipboard( IDataObject* pIDataObject ); 89*cdf0e10cSrcweir LRESULT onGetClipboard( LPSTREAM* ppStream ); 90*cdf0e10cSrcweir LRESULT onFlushClipboard( ); 91*cdf0e10cSrcweir sal_Bool onRegisterClipViewer( LPFNC_CLIPVIEWER_CALLBACK_t pfncClipViewerCallback ); 92*cdf0e10cSrcweir 93*cdf0e10cSrcweir // win32 clipboard-viewer support 94*cdf0e10cSrcweir LRESULT onChangeCBChain( HWND hWndRemove, HWND hWndNext ); 95*cdf0e10cSrcweir LRESULT onDrawClipboard( ); 96*cdf0e10cSrcweir 97*cdf0e10cSrcweir static LRESULT CALLBACK mtaOleReqWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); 98*cdf0e10cSrcweir static unsigned int WINAPI oleThreadProc( LPVOID pParam ); 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir static unsigned int WINAPI clipboardChangedNotifierThreadProc( LPVOID pParam ); 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir sal_Bool WaitForThreadReady( ) const; 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir private: 105*cdf0e10cSrcweir HANDLE m_hOleThread; 106*cdf0e10cSrcweir unsigned m_uOleThreadId; 107*cdf0e10cSrcweir HANDLE m_hEvtThrdReady; 108*cdf0e10cSrcweir HWND m_hwndMtaOleReqWnd; 109*cdf0e10cSrcweir ATOM m_MtaOleReqWndClassAtom; 110*cdf0e10cSrcweir HWND m_hwndNextClipViewer; 111*cdf0e10cSrcweir LPFNC_CLIPVIEWER_CALLBACK_t m_pfncClipViewerCallback; 112*cdf0e10cSrcweir sal_Bool m_bInRegisterClipViewer; 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir sal_Bool m_bRunClipboardNotifierThread; 115*cdf0e10cSrcweir HANDLE m_hClipboardChangedNotifierThread; 116*cdf0e10cSrcweir HANDLE m_hClipboardChangedNotifierEvents[2]; 117*cdf0e10cSrcweir HANDLE& m_hClipboardChangedEvent; 118*cdf0e10cSrcweir HANDLE& m_hTerminateClipboardChangedNotifierEvent; 119*cdf0e10cSrcweir osl::Mutex m_ClipboardChangedEventCountMutex; 120*cdf0e10cSrcweir sal_Int32 m_ClipboardChangedEventCount; 121*cdf0e10cSrcweir 122*cdf0e10cSrcweir osl::Mutex m_pfncClipViewerCallbackMutex; 123*cdf0e10cSrcweir 124*cdf0e10cSrcweir static CMtaOleClipboard* s_theMtaOleClipboardInst; 125*cdf0e10cSrcweir 126*cdf0e10cSrcweir // not allowed 127*cdf0e10cSrcweir private: 128*cdf0e10cSrcweir CMtaOleClipboard( const CMtaOleClipboard& ); 129*cdf0e10cSrcweir CMtaOleClipboard& operator=( const CMtaOleClipboard& ); 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir friend LRESULT CALLBACK mtaOleReqWndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam ); 132*cdf0e10cSrcweir }; 133*cdf0e10cSrcweir 134*cdf0e10cSrcweir #endif 135