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Diffstat (limited to 'embeddedobj/source/msole/advisesink.cxx')
-rw-r--r-- | embeddedobj/source/msole/advisesink.cxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/embeddedobj/source/msole/advisesink.cxx b/embeddedobj/source/msole/advisesink.cxx new file mode 100644 index 000000000..5601c8d9e --- /dev/null +++ b/embeddedobj/source/msole/advisesink.cxx @@ -0,0 +1,124 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <osl/diagnose.h> +#include "advisesink.hxx" +#include "olecomponent.hxx" + +#include <rtl/ref.hxx> + +OleWrapperAdviseSink::OleWrapperAdviseSink( OleComponent* pOleComp ) +: m_nRefCount( 0 ) +, m_pOleComp( pOleComp ) +{ + OSL_ENSURE( m_pOleComp, "No ole component is provided!" ); +} + +OleWrapperAdviseSink::~OleWrapperAdviseSink() +{ +} + +STDMETHODIMP OleWrapperAdviseSink::QueryInterface( REFIID riid , void** ppv ) +{ + *ppv=nullptr; + + if ( riid == IID_IUnknown ) + *ppv = static_cast<IUnknown*>(this); + + if ( riid == IID_IAdviseSink ) + *ppv = static_cast<IAdviseSink*>(this); + + if ( *ppv != nullptr ) + { + static_cast<IUnknown*>(*ppv)->AddRef(); + return S_OK; + } + + return E_NOINTERFACE; +} + +STDMETHODIMP_(ULONG) OleWrapperAdviseSink::AddRef() +{ + return osl_atomic_increment( &m_nRefCount); +} + +STDMETHODIMP_(ULONG) OleWrapperAdviseSink::Release() +{ + ULONG nReturn = --m_nRefCount; + if ( m_nRefCount == 0 ) + delete this; + + return nReturn; +} + +void OleWrapperAdviseSink::disconnectOleComponent() +{ + // must not be called from the descructor of OleComponent!!! + osl::MutexGuard aGuard( m_aMutex ); + m_pOleComp = nullptr; +} + +STDMETHODIMP_(void) OleWrapperAdviseSink::OnDataChange(FORMATETC *, STGMEDIUM *) +{ + // Unused for now ( no registration for IDataObject events ) +} + +STDMETHODIMP_(void) OleWrapperAdviseSink::OnViewChange(DWORD dwAspect, LONG) +{ + ::rtl::Reference< OleComponent > xLockComponent; + + { + osl::MutexGuard aGuard( m_aMutex ); + if ( m_pOleComp ) + xLockComponent = m_pOleComp; + } + + if ( xLockComponent.is() ) + xLockComponent->OnViewChange_Impl( dwAspect ); +} + +STDMETHODIMP_(void) OleWrapperAdviseSink::OnRename(IMoniker *) +{ + // handled by default inprocess handler +} + +STDMETHODIMP_(void) OleWrapperAdviseSink::OnSave() +{ + // TODO: ??? + // The object already knows about document saving, since it controls it as ClientSide + // other interested listeners must be registered for the object +} + +STDMETHODIMP_(void) OleWrapperAdviseSink::OnClose() +{ + ::rtl::Reference< OleComponent > xLockComponent; + + { + osl::MutexGuard aGuard( m_aMutex ); + if ( m_pOleComp ) + xLockComponent = m_pOleComp; + } + + if ( xLockComponent.is() ) + xLockComponent->OnClose_Impl(); + + // TODO: sometimes it can be necessary to simulate OnShowWindow( False ) here +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |