embedserv/source/inprocserv/advisesink.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   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:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <sal/config.h>
  23
  24 #include <memory>
  25
  26 #if !defined WIN32_LEAN_AND_MEAN
  27 #define WIN32_LEAN_AND_MEAN
  28 #endif
  29 #include <windows.h>
  30 #include <objidl.h>
  31 #include <systools/win32/comtools.hxx>
  32
  33 namespace inprocserv
  34 {
  35 class OleWrapperAdviseSink : public IAdviseSink
  36 {
  37 protected:
  38     ULONG m_nRefCount;
  39
  40     sal::systools::COMReference<IAdviseSink> m_pListener;
  41     DWORD m_nListenerID;
  42
  43     std::unique_ptr<FORMATETC> m_pFormatEtc;
  44     DWORD m_nAspect;
  45
  46     DWORD m_nRegID;
  47     DWORD m_bObjectAdvise;
  48     DWORD m_nDataRegFlag;
  49     DWORD m_nViewRegFlag;
  50
  51     BOOL m_bHandleClosed;
  52     BOOL m_bClosed;
  53
  54 public:
  55     // an AdviseSink for own needs, should be created always
  56     OleWrapperAdviseSink();
  57
  58     // an AdviseSink for IOleObject interface
  59     explicit OleWrapperAdviseSink(const sal::systools::COMReference<IAdviseSink>& pListener);
  60
  61     // an AdviseSink for IDataObject interface
  62     OleWrapperAdviseSink(const sal::systools::COMReference<IAdviseSink>& pListener,
  63                          FORMATETC* pFormatEtc, DWORD nDataRegFlag);
  64
  65     // an AdviseSink for IViewObject interface
  66     OleWrapperAdviseSink(const sal::systools::COMReference<IAdviseSink>& pListener, DWORD nAspect,
  67                          DWORD nViewRegFlag);
  68
  69     virtual ~OleWrapperAdviseSink();
  70
  71     void SetRegID(DWORD nRegID) { m_nRegID = nRegID; }
  72     DWORD GetRegID() { return m_nRegID; }
  73
  74     bool IsOleAdvise() { return m_bObjectAdvise; }
  75     DWORD GetDataAdviseFlag() { return m_nDataRegFlag; }
  76     DWORD GetViewAdviseFlag() { return m_nViewRegFlag; }
  77
  78     FORMATETC* GetFormatEtc() { return m_pFormatEtc.get(); }
  79     DWORD GetAspect() { return m_nAspect; }
  80     sal::systools::COMReference<IAdviseSink>& GetOrigAdvise() { return m_pListener; }
  81     void DisconnectOrigAdvise() { m_pListener = nullptr; }
  82
  83     void SetClosed() { m_bClosed = TRUE; }
  84     void UnsetClosed() { m_bClosed = FALSE; }
  85     BOOL IsClosed() { return m_bClosed; }
  86
  87     STDMETHODIMP QueryInterface(REFIID, void**) override;
  88     STDMETHODIMP_(ULONG) AddRef() override;
  89     STDMETHODIMP_(ULONG) Release() override;
  90
  91     STDMETHODIMP_(void) OnDataChange(FORMATETC*, STGMEDIUM*) override;
  92     STDMETHODIMP_(void) OnViewChange(DWORD, LONG) override;
  93     STDMETHODIMP_(void) OnRename(IMoniker*) override;
  94     STDMETHODIMP_(void) OnSave() override;
  95     STDMETHODIMP_(void) OnClose() override;
  96 };
  97
  98 }; // namespace advisesink
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */