148 lines
3.6 KiB
C++
148 lines
3.6 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 "olewrapclient.hxx"
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#include "olecomponent.hxx"
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// TODO: May be a mutex must be introduced
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OleWrapperClientSite::OleWrapperClientSite( 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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OleWrapperClientSite::~OleWrapperClientSite()
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{
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}
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STDMETHODIMP OleWrapperClientSite::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_IOleClientSite )
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*ppv = static_cast<IOleClientSite*>(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) OleWrapperClientSite::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) OleWrapperClientSite::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 OleWrapperClientSite::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 OleWrapperClientSite::SaveObject()
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{
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OleComponent* pLockComponent = nullptr;
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HRESULT hResult = E_FAIL;
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pOleComp )
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{
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pLockComponent = m_pOleComp;
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pLockComponent->acquire();
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}
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}
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if ( pLockComponent )
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{
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if ( pLockComponent->SaveObject_Impl() )
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hResult = S_OK;
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pLockComponent->release();
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}
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return hResult;
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}
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STDMETHODIMP OleWrapperClientSite::GetMoniker( DWORD, DWORD, IMoniker **ppmk )
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{
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*ppmk = nullptr;
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return E_NOTIMPL;
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}
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STDMETHODIMP OleWrapperClientSite::GetContainer( IOleContainer** ppContainer )
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{
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*ppContainer = nullptr;
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return E_NOTIMPL;
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}
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STDMETHODIMP OleWrapperClientSite::ShowObject()
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{
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return S_OK;
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}
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STDMETHODIMP OleWrapperClientSite::OnShowWindow( BOOL bShow )
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{
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OleComponent* pLockComponent = nullptr;
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// TODO/LATER: redirect the notification to the main thread so that SolarMutex can be locked
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{
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osl::MutexGuard aGuard( m_aMutex );
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if ( m_pOleComp )
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{
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pLockComponent = m_pOleComp;
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pLockComponent->acquire();
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}
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}
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if ( pLockComponent )
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{
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pLockComponent->OnShowWindow_Impl( bShow ); // the result is not interesting
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pLockComponent->release();
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}
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return S_OK;
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}
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STDMETHODIMP OleWrapperClientSite::RequestNewObjectLayout()
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{
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return E_NOTIMPL;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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