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/* -*- 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: */
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