124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <osl/diagnose.h>
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#include "advisesink.hxx"
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#include "olecomponent.hxx"
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#include <rtl/ref.hxx>
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OleWrapperAdviseSink::OleWrapperAdviseSink( OleComponent* pOleComp )
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: m_nRefCount( 0 )
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, m_pOleComp( pOleComp )
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{
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OSL_ENSURE( m_pOleComp, "No ole component is provided!" );
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}
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OleWrapperAdviseSink::~OleWrapperAdviseSink()
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{
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}
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STDMETHODIMP OleWrapperAdviseSink::QueryInterface( REFIID riid , void** ppv )
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{
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*ppv=nullptr;
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if ( riid == IID_IUnknown )
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*ppv = static_cast<IUnknown*>(this);
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if ( riid == IID_IAdviseSink )
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*ppv = static_cast<IAdviseSink*>(this);
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if ( *ppv != nullptr )
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{
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static_cast<IUnknown*>(*ppv)->AddRef();
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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STDMETHODIMP_(ULONG) OleWrapperAdviseSink::AddRef()
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{
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return osl_atomic_increment( &m_nRefCount);
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}
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STDMETHODIMP_(ULONG) OleWrapperAdviseSink::Release()
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{
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ULONG nReturn = --m_nRefCount;
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if ( m_nRefCount == 0 )
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delete this;
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return nReturn;
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}
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void OleWrapperAdviseSink::disconnectOleComponent()
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{
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// must not be called from the descructor of OleComponent!!!
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osl::MutexGuard aGuard( m_aMutex );
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m_pOleComp = nullptr;
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}
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STDMETHODIMP_(void) OleWrapperAdviseSink::OnDataChange(FORMATETC *, STGMEDIUM *)
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{
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// Unused for now ( no registration for IDataObject events )
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}
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STDMETHODIMP_(void) OleWrapperAdviseSink::OnViewChange(DWORD dwAspect, LONG)
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{
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::rtl::Reference< OleComponent > xLockComponent;
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pOleComp )
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xLockComponent = m_pOleComp;
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}
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if ( xLockComponent.is() )
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xLockComponent->OnViewChange_Impl( dwAspect );
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}
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STDMETHODIMP_(void) OleWrapperAdviseSink::OnRename(IMoniker *)
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{
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// handled by default inprocess handler
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}
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STDMETHODIMP_(void) OleWrapperAdviseSink::OnSave()
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{
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// TODO: ???
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// The object already knows about document saving, since it controls it as ClientSide
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// other interested listeners must be registered for the object
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}
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STDMETHODIMP_(void) OleWrapperAdviseSink::OnClose()
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{
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::rtl::Reference< OleComponent > xLockComponent;
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pOleComp )
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xLockComponent = m_pOleComp;
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}
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if ( xLockComponent.is() )
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xLockComponent->OnClose_Impl();
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// TODO: sometimes it can be necessary to simulate OnShowWindow( False ) here
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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