350 lines
12 KiB
C++
350 lines
12 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 "sal/config.h"
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#include <cppuhelper/basemutex.hxx>
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#include <cppuhelper/compbase1.hxx>
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#include <tools/debug.hxx>
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#include <vcl/svapp.hxx>
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#include <factory.hxx>
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#include <svdata.hxx>
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#include <salinst.hxx>
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#include <salsession.hxx>
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#include <com/sun/star/frame/XSessionManagerClient.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/frame/XSessionManagerListener2.hpp>
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#include <list>
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using namespace com::sun::star::uno;
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using namespace com::sun::star::lang;
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using namespace com::sun::star::frame;
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SalSession::~SalSession()
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{
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}
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class VCLSession:
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private cppu::BaseMutex,
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public cppu::WeakComponentImplHelper1 < XSessionManagerClient >
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{
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struct Listener
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{
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css::uno::Reference< XSessionManagerListener > m_xListener;
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bool m_bInteractionRequested;
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bool m_bInteractionDone;
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bool m_bSaveDone;
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explicit Listener( const css::uno::Reference< XSessionManagerListener >& xListener )
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: m_xListener( xListener ),
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m_bInteractionRequested( false ),
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m_bInteractionDone( false ),
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m_bSaveDone( false )
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{}
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};
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std::list< Listener > m_aListeners;
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std::unique_ptr< SalSession > m_xSession;
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bool m_bInteractionRequested;
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bool m_bInteractionGranted;
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bool m_bInteractionDone;
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bool m_bSaveDone;
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static void SalSessionEventProc( void* pData, SalSessionEvent* pEvent );
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virtual ~VCLSession() {}
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virtual void SAL_CALL addSessionManagerListener( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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virtual void SAL_CALL removeSessionManagerListener( const css::uno::Reference< XSessionManagerListener>& xListener ) throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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virtual void SAL_CALL queryInteraction( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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virtual void SAL_CALL interactionDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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virtual void SAL_CALL saveDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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virtual sal_Bool SAL_CALL cancelShutdown() throw( RuntimeException, std::exception ) SAL_OVERRIDE;
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void callSaveRequested( bool bShutdown, bool bCancelable );
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void callShutdownCancelled();
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void callInteractionGranted( bool bGranted );
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void callQuit();
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public:
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VCLSession();
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};
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VCLSession::VCLSession()
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: cppu::WeakComponentImplHelper1< XSessionManagerClient >( m_aMutex ),
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m_xSession( ImplGetSVData()->mpDefInst->CreateSalSession() ),
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m_bInteractionRequested( false ),
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m_bInteractionGranted( false ),
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m_bInteractionDone( false ),
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m_bSaveDone( false )
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{
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if (m_xSession)
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m_xSession->SetCallback( SalSessionEventProc, this );
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}
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void VCLSession::callSaveRequested( bool bShutdown, bool bCancelable )
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{
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std::list< Listener > aListeners;
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{
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osl::MutexGuard aGuard( m_aMutex );
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// reset listener states
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for( std::list< Listener >::iterator it = m_aListeners.begin();
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it != m_aListeners.end(); ++it )
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{
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it->m_bSaveDone = it->m_bInteractionRequested = it->m_bInteractionDone = false;
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}
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// copy listener list since calling a listener may remove it.
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aListeners = m_aListeners;
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// set back interaction state
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m_bSaveDone = false;
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m_bInteractionDone = false;
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// without session we assume UI is always possible,
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// so it was reqeusted and granted
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m_bInteractionRequested = m_bInteractionGranted = !m_xSession;
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// answer the session manager even if no listeners available anymore
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DBG_ASSERT( ! aListeners.empty(), "saveRequested but no listeners !" );
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if( aListeners.empty() )
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{
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if (m_xSession)
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m_xSession->saveDone();
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return;
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}
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}
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SolarMutexReleaser aReleaser;
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for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
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it->m_xListener->doSave( bShutdown, bCancelable );
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}
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void VCLSession::callInteractionGranted( bool bInteractionGranted )
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{
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std::list< Listener > aListeners;
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{
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osl::MutexGuard aGuard( m_aMutex );
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// copy listener list since calling a listener may remove it.
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for( std::list< Listener >::const_iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
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if( it->m_bInteractionRequested )
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aListeners.push_back( *it );
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m_bInteractionGranted = bInteractionGranted;
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// answer the session manager even if no listeners available anymore
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DBG_ASSERT( ! aListeners.empty(), "interactionGranted but no listeners !" );
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if( aListeners.empty() )
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{
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if (m_xSession)
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m_xSession->interactionDone();
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return;
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}
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}
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SolarMutexReleaser aReleaser;
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for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
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it->m_xListener->approveInteraction( bInteractionGranted );
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}
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void VCLSession::callShutdownCancelled()
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{
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std::list< Listener > aListeners;
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{
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osl::MutexGuard aGuard( m_aMutex );
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// copy listener list since calling a listener may remove it.
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aListeners = m_aListeners;
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// set back interaction state
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m_bInteractionRequested = m_bInteractionDone = m_bInteractionGranted = false;
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}
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SolarMutexReleaser aReleaser;
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for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
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it->m_xListener->shutdownCanceled();
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}
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void VCLSession::callQuit()
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{
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std::list< Listener > aListeners;
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{
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osl::MutexGuard aGuard( m_aMutex );
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// copy listener list since calling a listener may remove it.
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aListeners = m_aListeners;
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// set back interaction state
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m_bInteractionRequested = m_bInteractionDone = m_bInteractionGranted = false;
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}
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SolarMutexReleaser aReleaser;
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for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
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{
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css::uno::Reference< XSessionManagerListener2 > xListener2( it->m_xListener, UNO_QUERY );
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if( xListener2.is() )
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xListener2->doQuit();
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}
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}
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void VCLSession::SalSessionEventProc( void* pData, SalSessionEvent* pEvent )
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{
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VCLSession * pThis = static_cast< VCLSession * >( pData );
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switch( pEvent->m_eType )
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{
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case Interaction:
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{
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SalSessionInteractionEvent* pIEv = static_cast<SalSessionInteractionEvent*>(pEvent);
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pThis->callInteractionGranted( pIEv->m_bInteractionGranted );
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}
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break;
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case SaveRequest:
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{
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SalSessionSaveRequestEvent* pSEv = static_cast<SalSessionSaveRequestEvent*>(pEvent);
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pThis->callSaveRequested( pSEv->m_bShutdown, pSEv->m_bCancelable );
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}
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break;
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case ShutdownCancel:
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pThis->callShutdownCancelled();
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break;
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case Quit:
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pThis->callQuit();
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break;
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}
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}
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void SAL_CALL VCLSession::addSessionManagerListener( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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m_aListeners.push_back( Listener( xListener ) );
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}
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void SAL_CALL VCLSession::removeSessionManagerListener( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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std::list< Listener >::iterator it = m_aListeners.begin();
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while( it != m_aListeners.end() )
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{
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if( it->m_xListener == xListener )
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{
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it = m_aListeners.erase(it);
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}
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else
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++it;
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}
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}
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void SAL_CALL VCLSession::queryInteraction( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException, std::exception )
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{
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if( m_bInteractionGranted )
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{
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if( m_bInteractionDone )
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xListener->approveInteraction( false );
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else
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xListener->approveInteraction( true );
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return;
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}
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osl::MutexGuard aGuard( m_aMutex );
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if( ! m_bInteractionRequested )
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{
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m_xSession->queryInteraction();
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m_bInteractionRequested = true;
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}
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for( std::list< Listener >::iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
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{
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if( it->m_xListener == xListener )
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{
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it->m_bInteractionRequested = true;
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it->m_bInteractionDone = false;
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}
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}
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}
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void SAL_CALL VCLSession::interactionDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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int nRequested = 0, nDone = 0;
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for( std::list< Listener >::iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
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{
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if( it->m_bInteractionRequested )
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{
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nRequested++;
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if( xListener == it->m_xListener )
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it->m_bInteractionDone = true;
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}
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if( it->m_bInteractionDone )
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nDone++;
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}
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if( nDone == nRequested && nDone > 0 )
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{
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m_bInteractionDone = true;
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if (m_xSession)
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m_xSession->interactionDone();
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}
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}
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void SAL_CALL VCLSession::saveDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException, std::exception )
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{
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osl::MutexGuard aGuard( m_aMutex );
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bool bSaveDone = true;
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for( std::list< Listener >::iterator it = m_aListeners.begin();
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it != m_aListeners.end(); ++it )
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{
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if( it->m_xListener == xListener )
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it->m_bSaveDone = true;
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if( ! it->m_bSaveDone )
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bSaveDone = false;
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}
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if( bSaveDone )
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{
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m_bSaveDone = true;
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if (m_xSession)
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m_xSession->saveDone();
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}
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}
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sal_Bool SAL_CALL VCLSession::cancelShutdown() throw( RuntimeException, std::exception )
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{
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return m_xSession && m_xSession->cancelShutdown();
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}
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// service implementation
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OUString SAL_CALL vcl_session_getImplementationName()
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{
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return OUString( "com.sun.star.frame.VCLSessionManagerClient" );
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}
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Sequence< OUString > SAL_CALL vcl_session_getSupportedServiceNames()
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{
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Sequence< OUString > aRet(1);
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aRet[0] = "com.sun.star.frame.SessionManagerClient";
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return aRet;
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}
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css::uno::Reference< XInterface > SAL_CALL vcl_session_createInstance( SAL_UNUSED_PARAMETER const css::uno::Reference< XMultiServiceFactory > & )
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{
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return static_cast< cppu::OWeakObject * >(new VCLSession);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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