383 lines
13 KiB
C++
383 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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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 <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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namespace {
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namespace css = com::sun::star;
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}
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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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using ::rtl::OUString;
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SalSession::~SalSession()
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{
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}
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class VCLSession : 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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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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SalSession* m_pSession;
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osl::Mutex m_aMutex;
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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( SalSessionEvent* pEvent );
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static VCLSession* pOneInstance;
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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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virtual ~VCLSession();
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virtual void SAL_CALL addSessionManagerListener( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
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virtual void SAL_CALL removeSessionManagerListener( const css::uno::Reference< XSessionManagerListener>& xListener ) throw( RuntimeException );
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virtual void SAL_CALL queryInteraction( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
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virtual void SAL_CALL interactionDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
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virtual void SAL_CALL saveDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
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virtual sal_Bool SAL_CALL cancelShutdown() throw( RuntimeException );
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};
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VCLSession* VCLSession::pOneInstance = NULL;
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VCLSession::VCLSession()
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: cppu::WeakComponentImplHelper1< XSessionManagerClient >( m_aMutex ),
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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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DBG_ASSERT( pOneInstance == 0, "One instance of VCLSession only !" );
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pOneInstance = this;
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m_pSession = ImplGetSVData()->mpDefInst->CreateSalSession();
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if( m_pSession )
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m_pSession->SetCallback( SalSessionEventProc );
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}
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VCLSession::~VCLSession()
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{
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DBG_ASSERT( pOneInstance == this, "Another instance of VCLSession in destructor !" );
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pOneInstance = NULL;
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delete m_pSession;
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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_pSession ? false : true;
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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_pSession )
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m_pSession->saveDone();
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return;
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}
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}
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sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
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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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Application::AcquireSolarMutex( nAcquireCount );
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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_pSession )
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m_pSession->interactionDone();
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return;
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}
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}
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sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
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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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Application::AcquireSolarMutex( nAcquireCount );
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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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sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
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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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Application::AcquireSolarMutex( nAcquireCount );
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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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sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
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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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Application::AcquireSolarMutex( nAcquireCount );
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}
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void VCLSession::SalSessionEventProc( SalSessionEvent* pEvent )
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{
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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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pOneInstance->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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pOneInstance->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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pOneInstance->callShutdownCancelled();
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break;
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case Quit:
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pOneInstance->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 )
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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 )
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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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m_aListeners.erase( it );
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it = m_aListeners.begin();
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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 )
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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_pSession->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 )
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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_pSession )
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m_pSession->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 )
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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_pSession )
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m_pSession->saveDone();
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}
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}
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sal_Bool SAL_CALL VCLSession::cancelShutdown() throw( RuntimeException )
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{
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return m_pSession ? (sal_Bool)m_pSession->cancelShutdown() : sal_False;
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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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static OUString aImplementationName( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.frame.VCLSessionManagerClient" ) );
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return aImplementationName;
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}
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Sequence< rtl::OUString > SAL_CALL vcl_session_getSupportedServiceNames()
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{
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Sequence< OUString > aRet(1);
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aRet[0] = OUString(RTL_CONSTASCII_USTRINGPARAM("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( const css::uno::Reference< XMultiServiceFactory > & /*xMultiServiceFactory*/ )
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{
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ImplSVData* pSVData = ImplGetSVData();
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if( ! pSVData->xSMClient.is() )
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pSVData->xSMClient = new VCLSession();
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return css::uno::Reference< XInterface >(pSVData->xSMClient, UNO_QUERY );
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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