LibreOffice Module dtrans (master)  1
dtobj/APNDataObject.hxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
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5  * This Source Code Form is subject to the terms of the Mozilla Public
6  * License, v. 2.0. If a copy of the MPL was not distributed with this
7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8  *
9  * This file incorporates work covered by the following license notice:
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11  * Licensed to the Apache Software Foundation (ASF) under one or more
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15  * License, Version 2.0 (the "License"); you may not use this file
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17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #ifndef INCLUDED_DTRANS_SOURCE_WIN32_DTOBJ_APNDATAOBJECT_HXX
21 #define INCLUDED_DTRANS_SOURCE_WIN32_DTOBJ_APNDATAOBJECT_HXX
22 
23 #include <systools/win32/comtools.hxx>
24 
25 /*
26  an APartment Neutral dataobject wrapper; this wrapper of an IDataObject
27  pointer can be used from any apartment without RPC_E_WRONG_THREAD
28  which normally occurs if an apartment tries to use an interface
29  pointer of another apartment; we use containment to hold the original
30  DataObject
31 */
32 class CAPNDataObject : public IDataObject
33 {
34 public:
35  explicit CAPNDataObject(IDataObjectPtr rIDataObject);
36  virtual ~CAPNDataObject();
37 
38  //IUnknown interface methods
39 
40  STDMETHODIMP QueryInterface(REFIID iid, void** ppvObject) override;
41  STDMETHODIMP_( ULONG ) AddRef( ) override;
42  STDMETHODIMP_( ULONG ) Release( ) override;
43 
44  // IDataObject interface methods
45 
46  STDMETHODIMP GetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
47  STDMETHODIMP GetDataHere( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
48  STDMETHODIMP QueryGetData( FORMATETC * pFormatetc ) override;
49  STDMETHODIMP GetCanonicalFormatEtc( FORMATETC * pFormatectIn, FORMATETC * pFormatetcOut ) override;
50  STDMETHODIMP SetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium, BOOL fRelease ) override;
51  STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ) override;
52  STDMETHODIMP DAdvise( FORMATETC * pFormatetc, DWORD advf, IAdviseSink * pAdvSink, DWORD* pdwConnection ) override;
53  STDMETHODIMP DUnadvise( DWORD dwConnection ) override;
54  STDMETHODIMP EnumDAdvise( IEnumSTATDATA** ppenumAdvise ) override;
55 
56  operator IDataObject*( );
57 
58 private:
59  HRESULT MarshalIDataObjectIntoCurrentApartment( IDataObject** ppIDataObj );
60 
61 private:
62  IDataObjectPtr m_rIDataObjectOrg;
63  HGLOBAL m_hGlobal;
64  LONG m_nRefCnt;
65 
66 // prevent copy and assignment
67 private:
68  CAPNDataObject( const CAPNDataObject& theOther );
69  CAPNDataObject& operator=( const CAPNDataObject& theOther );
70 };
71 
72 #endif
73 
74 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
STDMETHODIMP SetData(LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease)
CAPNDataObject(IDataObjectPtr rIDataObject)
STDMETHODIMP GetData(LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium)
STDMETHODIMP QueryInterface(REFIID iid, LPVOID *ppvObject)
STDMETHODIMP DAdvise(LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD *pdwConnection)
const wchar_t *typedef BOOL
IDataObjectPtr m_rIDataObjectOrg
STDMETHODIMP DUnadvise(DWORD dwConnection)
STDMETHODIMP GetCanonicalFormatEtc(LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut)
STDMETHODIMP EnumFormatEtc(DWORD dwDirection, IEnumFORMATETC **ppenumFormatetc)
STDMETHODIMP EnumDAdvise(LPENUMSTATDATA *ppenumAdvise)
STDMETHODIMP QueryGetData(LPFORMATETC pFormatetc)
STDMETHODIMP_(ULONG) AddRef()
STDMETHODIMP GetDataHere(LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium)
HRESULT MarshalIDataObjectIntoCurrentApartment(IDataObject **ppIDataObj)