embedserv/source/inprocserv/advisesink.cxx

   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 #include <sal/config.h>
  21
  22 #include "advisesink.hxx"
  23
  24 namespace inprocserv
  25 {
  26
  27 OleWrapperAdviseSink::OleWrapperAdviseSink()
  28 : m_nRefCount( 0 )
  29 , m_nAspect( DVASPECT_CONTENT )
  30 , m_nRegID( 0 )
  31 , m_bObjectAdvise( TRUE )
  32 , m_nDataRegFlag( 0 )
  33 , m_nViewRegFlag( 0 )
  34 , m_bHandleClosed( TRUE )
  35 , m_bClosed( FALSE )
  36 {
  37 }
  38
  39 OleWrapperAdviseSink::OleWrapperAdviseSink( const sal::systools::COMReference< IAdviseSink >& pListener )
  40 : m_nRefCount( 0 )
  41 , m_pListener( pListener )
  42 , m_nAspect( DVASPECT_CONTENT )
  43 , m_nRegID( 0 )
  44 , m_bObjectAdvise( TRUE )
  45 , m_nDataRegFlag( 0 )
  46 , m_nViewRegFlag( 0 )
  47 , m_bHandleClosed( FALSE )
  48 , m_bClosed( FALSE )
  49 {
  50 }
  51
  52 OleWrapperAdviseSink::OleWrapperAdviseSink( const sal::systools::COMReference< IAdviseSink >& pListener, FORMATETC* pFormatEtc, DWORD nDataRegFlag )
  53 : m_nRefCount( 0 )
  54 , m_pListener( pListener )
  55 , m_nAspect( DVASPECT_CONTENT )
  56 , m_nRegID( 0 )
  57 , m_bObjectAdvise( FALSE )
  58 , m_nDataRegFlag( nDataRegFlag )
  59 , m_nViewRegFlag( 0 )
  60 , m_bHandleClosed( FALSE )
  61 , m_bClosed( FALSE )
  62 {
  63     if ( pFormatEtc )
  64     {
  65         m_pFormatEtc = std::make_unique<FORMATETC>();
  66         m_pFormatEtc->cfFormat = pFormatEtc->cfFormat;
  67         m_pFormatEtc->ptd = nullptr;
  68         m_pFormatEtc->dwAspect = pFormatEtc->dwAspect;
  69         m_pFormatEtc->lindex = pFormatEtc->lindex;
  70         m_pFormatEtc->tymed = pFormatEtc->tymed;
  71     }
  72 }
  73
  74 OleWrapperAdviseSink::OleWrapperAdviseSink( const sal::systools::COMReference< IAdviseSink >& pListener, DWORD nAspect, DWORD nViewRegFlag )
  75 : m_nRefCount( 0 )
  76 , m_pListener( pListener )
  77 , m_nAspect( nAspect )
  78 , m_nRegID( 0 )
  79 , m_bObjectAdvise( TRUE )
  80 , m_nDataRegFlag( 0 )
  81 , m_nViewRegFlag( nViewRegFlag )
  82 , m_bHandleClosed( FALSE )
  83 , m_bClosed( FALSE )
  84 {
  85 }
  86
  87 OleWrapperAdviseSink::~OleWrapperAdviseSink()
  88 {}
  89
  90 STDMETHODIMP OleWrapperAdviseSink::QueryInterface( REFIID riid , void** ppv )
  91 {
  92     *ppv=nullptr;
  93
  94     if ( riid == IID_IUnknown )
  95         *ppv = static_cast<IUnknown*>(this);
  96
  97     if ( riid == IID_IAdviseSink )
  98         *ppv = static_cast<IAdviseSink*>(this);
  99
 100     if ( *ppv != nullptr )
 101     {
 102         static_cast<IUnknown*>(*ppv)->AddRef();
 103         return S_OK;
 104     }
 105
 106     return E_NOINTERFACE;
 107 }
 108
 109 STDMETHODIMP_(ULONG) OleWrapperAdviseSink::AddRef()
 110 {
 111     return ++m_nRefCount;
 112 }
 113
 114 STDMETHODIMP_(ULONG) OleWrapperAdviseSink::Release()
 115 {
 116     ULONG nReturn = --m_nRefCount;
 117     if ( m_nRefCount == 0 )
 118         delete this;
 119
 120     return nReturn;
 121 }
 122
 123 STDMETHODIMP_(void) OleWrapperAdviseSink::OnDataChange( FORMATETC * pFetc, STGMEDIUM * pMedium )
 124 {
 125     if ( m_pListener )
 126     {
 127         m_pListener->OnDataChange( pFetc, pMedium );
 128     }
 129 }
 130
 131 STDMETHODIMP_(void) OleWrapperAdviseSink::OnViewChange( DWORD dwAspect, LONG lindex )
 132 {
 133     if ( m_pListener )
 134     {
 135         m_pListener->OnViewChange( dwAspect, lindex );
 136     }
 137 }
 138
 139 STDMETHODIMP_(void) OleWrapperAdviseSink::OnRename( IMoniker * pMoniker )
 140 {
 141     if ( m_pListener )
 142     {
 143         m_pListener->OnRename( pMoniker );
 144     }
 145 }
 146
 147 STDMETHODIMP_(void) OleWrapperAdviseSink::OnSave()
 148 {
 149     if ( m_pListener )
 150     {
 151         m_pListener->OnSave();
 152     }
 153 }
 154
 155 STDMETHODIMP_(void) OleWrapperAdviseSink::OnClose()
 156 {
 157     if ( m_pListener )
 158     {
 159         m_pListener->OnClose();
 160     }
 161
 162     if ( m_bHandleClosed )
 163         m_bClosed = TRUE;
 164 }
 165
 166 } // namespace inprocserv
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */