LCOV - code coverage report
Current view: top level - libreoffice/vcl/source/app - session.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 155 0.0 %
Date: 2012-12-27 Functions: 0 23 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "sal/config.h"
      21             : 
      22             : #include <boost/scoped_ptr.hpp>
      23             : #include <cppuhelper/compbase1.hxx>
      24             : 
      25             : #include <tools/debug.hxx>
      26             : 
      27             : #include <vcl/svapp.hxx>
      28             : 
      29             : #include <svdata.hxx>
      30             : #include <salinst.hxx>
      31             : #include <salsession.hxx>
      32             : 
      33             : #include <com/sun/star/frame/XSessionManagerClient.hpp>
      34             : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
      35             : #include <com/sun/star/frame/XSessionManagerListener2.hpp>
      36             : 
      37             : #include <list>
      38             : 
      39             : using namespace com::sun::star::uno;
      40             : using namespace com::sun::star::lang;
      41             : using namespace com::sun::star::frame;
      42             : 
      43             : using ::rtl::OUString;
      44             : 
      45           0 : SalSession::~SalSession()
      46             : {
      47           0 : }
      48             : 
      49             : class VCLSession:
      50             :     private osl::Mutex,
      51             :     public cppu::WeakComponentImplHelper1 < XSessionManagerClient >
      52             : {
      53           0 :     struct Listener
      54             :     {
      55             :         css::uno::Reference< XSessionManagerListener >      m_xListener;
      56             :         bool                                        m_bInteractionRequested;
      57             :         bool                                        m_bInteractionDone;
      58             :         bool                                        m_bSaveDone;
      59             : 
      60           0 :         Listener( const css::uno::Reference< XSessionManagerListener >& xListener )
      61             :                 : m_xListener( xListener ),
      62             :                   m_bInteractionRequested( false ),
      63             :                   m_bInteractionDone( false ),
      64           0 :                   m_bSaveDone( false )
      65           0 :         {}
      66             :     };
      67             : 
      68             :     std::list< Listener >                           m_aListeners;
      69             :     boost::scoped_ptr< SalSession >                 m_pSession;
      70             :     bool                                            m_bInteractionRequested;
      71             :     bool                                            m_bInteractionGranted;
      72             :     bool                                            m_bInteractionDone;
      73             :     bool                                            m_bSaveDone;
      74             : 
      75             :     static void SalSessionEventProc( void* pData, SalSessionEvent* pEvent );
      76             : 
      77           0 :     virtual ~VCLSession() {}
      78             : 
      79             :     virtual void SAL_CALL addSessionManagerListener( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
      80             :     virtual void SAL_CALL removeSessionManagerListener( const css::uno::Reference< XSessionManagerListener>& xListener ) throw( RuntimeException );
      81             :     virtual void SAL_CALL queryInteraction( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
      82             :     virtual void SAL_CALL interactionDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
      83             :     virtual void SAL_CALL saveDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException );
      84             :     virtual sal_Bool SAL_CALL cancelShutdown() throw( RuntimeException );
      85             : 
      86             :     void callSaveRequested( bool bShutdown, bool bCancelable );
      87             :     void callShutdownCancelled();
      88             :     void callInteractionGranted( bool bGranted );
      89             :     void callQuit();
      90             : 
      91             : public:
      92             :     VCLSession();
      93             : };
      94             : 
      95           0 : VCLSession::VCLSession()
      96             :         : cppu::WeakComponentImplHelper1< XSessionManagerClient >( *static_cast< osl::Mutex * >(this) ),
      97           0 :           m_pSession( ImplGetSVData()->mpDefInst->CreateSalSession() ),
      98             :           m_bInteractionRequested( false ),
      99             :           m_bInteractionGranted( false ),
     100             :           m_bInteractionDone( false ),
     101           0 :           m_bSaveDone( false )
     102             : {
     103           0 :     if( m_pSession )
     104           0 :         m_pSession->SetCallback( SalSessionEventProc, this );
     105           0 : }
     106             : 
     107           0 : void VCLSession::callSaveRequested( bool bShutdown, bool bCancelable )
     108             : {
     109           0 :     std::list< Listener > aListeners;
     110             :     {
     111           0 :         osl::MutexGuard aGuard( *this );
     112             :         // reset listener states
     113           0 :         for( std::list< Listener >::iterator it = m_aListeners.begin();
     114           0 :              it != m_aListeners.end(); ++it )
     115             :         {
     116           0 :             it->m_bSaveDone = it->m_bInteractionRequested = it->m_bInteractionDone = false;
     117             :         }
     118             : 
     119             :         // copy listener list since calling a listener may remove it.
     120           0 :         aListeners = m_aListeners;
     121             :         // set back interaction state
     122           0 :         m_bSaveDone = false;
     123           0 :         m_bInteractionDone = false;
     124             :         // without session we assume UI is always possible,
     125             :         // so it was reqeusted and granted
     126           0 :         m_bInteractionRequested = m_bInteractionGranted = !m_pSession;
     127             : 
     128             :         // answer the session manager even if no listeners available anymore
     129             :         DBG_ASSERT( ! aListeners.empty(), "saveRequested but no listeners !" );
     130           0 :         if( aListeners.empty() )
     131             :         {
     132           0 :             if( m_pSession )
     133           0 :                 m_pSession->saveDone();
     134           0 :             return;
     135           0 :         }
     136             :     }
     137             : 
     138           0 :     sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
     139           0 :     for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
     140           0 :         it->m_xListener->doSave( bShutdown, bCancelable );
     141           0 :     Application::AcquireSolarMutex( nAcquireCount );
     142             : }
     143             : 
     144           0 : void VCLSession::callInteractionGranted( bool bInteractionGranted )
     145             : {
     146           0 :     std::list< Listener > aListeners;
     147             :     {
     148           0 :         osl::MutexGuard aGuard( *this );
     149             :         // copy listener list since calling a listener may remove it.
     150           0 :         for( std::list< Listener >::const_iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
     151           0 :             if( it->m_bInteractionRequested )
     152           0 :                 aListeners.push_back( *it );
     153             : 
     154           0 :         m_bInteractionGranted = bInteractionGranted;
     155             : 
     156             :         // answer the session manager even if no listeners available anymore
     157             :         DBG_ASSERT( ! aListeners.empty(), "interactionGranted but no listeners !" );
     158           0 :         if( aListeners.empty() )
     159             :         {
     160           0 :             if( m_pSession )
     161           0 :                 m_pSession->interactionDone();
     162           0 :             return;
     163           0 :         }
     164             :     }
     165             : 
     166           0 :     sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
     167           0 :     for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
     168           0 :         it->m_xListener->approveInteraction( bInteractionGranted );
     169             : 
     170           0 :     Application::AcquireSolarMutex( nAcquireCount );
     171             : }
     172             : 
     173           0 : void VCLSession::callShutdownCancelled()
     174             : {
     175           0 :     std::list< Listener > aListeners;
     176             :     {
     177           0 :         osl::MutexGuard aGuard( *this );
     178             :         // copy listener list since calling a listener may remove it.
     179           0 :         aListeners = m_aListeners;
     180             :         // set back interaction state
     181           0 :         m_bInteractionRequested = m_bInteractionDone = m_bInteractionGranted = false;
     182             :     }
     183             : 
     184           0 :     sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
     185           0 :     for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
     186           0 :         it->m_xListener->shutdownCanceled();
     187           0 :     Application::AcquireSolarMutex( nAcquireCount );
     188           0 : }
     189             : 
     190           0 : void VCLSession::callQuit()
     191             : {
     192           0 :     std::list< Listener > aListeners;
     193             :     {
     194           0 :         osl::MutexGuard aGuard( *this );
     195             :         // copy listener list since calling a listener may remove it.
     196           0 :         aListeners = m_aListeners;
     197             :         // set back interaction state
     198           0 :         m_bInteractionRequested = m_bInteractionDone = m_bInteractionGranted = false;
     199             :     }
     200             : 
     201           0 :     sal_uLong nAcquireCount = Application::ReleaseSolarMutex();
     202           0 :     for( std::list< Listener >::const_iterator it = aListeners.begin(); it != aListeners.end(); ++it )
     203             :     {
     204           0 :         css::uno::Reference< XSessionManagerListener2 > xListener2( it->m_xListener, UNO_QUERY );
     205           0 :         if( xListener2.is() )
     206           0 :             xListener2->doQuit();
     207           0 :     }
     208           0 :     Application::AcquireSolarMutex( nAcquireCount );
     209           0 : }
     210             : 
     211           0 : void VCLSession::SalSessionEventProc( void* pData, SalSessionEvent* pEvent )
     212             : {
     213           0 :     VCLSession * pThis = static_cast< VCLSession * >( pData );
     214           0 :     switch( pEvent->m_eType )
     215             :     {
     216             :         case Interaction:
     217             :         {
     218           0 :             SalSessionInteractionEvent* pIEv = static_cast<SalSessionInteractionEvent*>(pEvent);
     219           0 :             pThis->callInteractionGranted( pIEv->m_bInteractionGranted );
     220             :         }
     221           0 :         break;
     222             :         case SaveRequest:
     223             :         {
     224           0 :             SalSessionSaveRequestEvent* pSEv = static_cast<SalSessionSaveRequestEvent*>(pEvent);
     225           0 :             pThis->callSaveRequested( pSEv->m_bShutdown, pSEv->m_bCancelable );
     226             :         }
     227           0 :         break;
     228             :         case ShutdownCancel:
     229           0 :             pThis->callShutdownCancelled();
     230           0 :             break;
     231             :         case Quit:
     232           0 :             pThis->callQuit();
     233           0 :             break;
     234             :     }
     235           0 : }
     236             : 
     237           0 : void SAL_CALL VCLSession::addSessionManagerListener( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException )
     238             : {
     239           0 :     osl::MutexGuard aGuard( *this );
     240             : 
     241           0 :     m_aListeners.push_back( Listener( xListener ) );
     242           0 : }
     243             : 
     244           0 : void SAL_CALL VCLSession::removeSessionManagerListener( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException )
     245             : {
     246           0 :     osl::MutexGuard aGuard( *this );
     247             : 
     248           0 :     std::list< Listener >::iterator it = m_aListeners.begin();
     249           0 :     while( it != m_aListeners.end() )
     250             :     {
     251           0 :         if( it->m_xListener == xListener )
     252             :         {
     253           0 :             m_aListeners.erase( it );
     254           0 :             it = m_aListeners.begin();
     255             :         }
     256             :         else
     257           0 :             ++it;
     258           0 :     }
     259           0 : }
     260             : 
     261           0 : void SAL_CALL VCLSession::queryInteraction( const css::uno::Reference<XSessionManagerListener>& xListener ) throw( RuntimeException )
     262             : {
     263           0 :     if( m_bInteractionGranted )
     264             :     {
     265           0 :         if( m_bInteractionDone )
     266           0 :             xListener->approveInteraction( false );
     267             :         else
     268           0 :             xListener->approveInteraction( true );
     269           0 :         return;
     270             :     }
     271             : 
     272           0 :     osl::MutexGuard aGuard( *this );
     273           0 :     if( ! m_bInteractionRequested )
     274             :     {
     275           0 :         m_pSession->queryInteraction();
     276           0 :         m_bInteractionRequested = true;
     277             :     }
     278           0 :     for( std::list< Listener >::iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
     279             :     {
     280           0 :         if( it->m_xListener == xListener )
     281             :         {
     282           0 :             it->m_bInteractionRequested = true;
     283           0 :             it->m_bInteractionDone      = false;
     284             :         }
     285           0 :     }
     286             : }
     287             : 
     288           0 : void SAL_CALL VCLSession::interactionDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException )
     289             : {
     290           0 :     osl::MutexGuard aGuard( *this );
     291           0 :     int nRequested = 0, nDone = 0;
     292           0 :     for( std::list< Listener >::iterator it = m_aListeners.begin(); it != m_aListeners.end(); ++it )
     293             :     {
     294           0 :         if( it->m_bInteractionRequested )
     295             :         {
     296           0 :             nRequested++;
     297           0 :             if( xListener == it->m_xListener )
     298           0 :                 it->m_bInteractionDone = true;
     299             :         }
     300           0 :         if( it->m_bInteractionDone )
     301           0 :             nDone++;
     302             :     }
     303           0 :     if( nDone == nRequested && nDone > 0 )
     304             :     {
     305           0 :         m_bInteractionDone = true;
     306           0 :         if( m_pSession )
     307           0 :             m_pSession->interactionDone();
     308           0 :     }
     309           0 : }
     310             : 
     311           0 : void SAL_CALL VCLSession::saveDone( const css::uno::Reference< XSessionManagerListener >& xListener ) throw( RuntimeException )
     312             : {
     313           0 :     osl::MutexGuard aGuard( *this );
     314             : 
     315           0 :     bool bSaveDone = true;
     316           0 :     for( std::list< Listener >::iterator it = m_aListeners.begin();
     317           0 :          it != m_aListeners.end(); ++it )
     318             :     {
     319           0 :         if( it->m_xListener == xListener )
     320           0 :             it->m_bSaveDone = true;
     321           0 :         if( ! it->m_bSaveDone )
     322           0 :             bSaveDone = false;
     323             :     }
     324           0 :     if( bSaveDone )
     325             :     {
     326           0 :         m_bSaveDone = true;
     327           0 :         if( m_pSession )
     328           0 :             m_pSession->saveDone();
     329           0 :     }
     330           0 : }
     331             : 
     332           0 : sal_Bool SAL_CALL VCLSession::cancelShutdown() throw( RuntimeException )
     333             : {
     334           0 :     return m_pSession && m_pSession->cancelShutdown();
     335             : }
     336             : 
     337             : // service implementation
     338             : 
     339           0 : OUString SAL_CALL vcl_session_getImplementationName()
     340             : {
     341           0 :     return OUString( "com.sun.star.frame.VCLSessionManagerClient" );
     342             : }
     343             : 
     344           0 : Sequence< rtl::OUString > SAL_CALL vcl_session_getSupportedServiceNames()
     345             : {
     346           0 :     Sequence< OUString > aRet(1);
     347           0 :     aRet[0] = "com.sun.star.frame.SessionManagerClient";
     348           0 :     return aRet;
     349             : }
     350             : 
     351           0 : css::uno::Reference< XInterface > SAL_CALL vcl_session_createInstance( SAL_UNUSED_PARAMETER const css::uno::Reference< XMultiServiceFactory > & )
     352             : {
     353           0 :     return static_cast< cppu::OWeakObject * >(new VCLSession);
     354             : }
     355             : 
     356             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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