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             : #ifndef _VCL_SALSESSION_HXX
      21             : #define _VCL_SALSESSION_HXX
      22             : 
      23             : #include "vcl/dllapi.h"
      24             : 
      25             : enum SalSessionEventType
      26             : {
      27             :     Interaction,
      28             :     SaveRequest,
      29             :     ShutdownCancel,
      30             :     Quit
      31             : };
      32             : 
      33             : struct SalSessionEvent
      34             : {
      35             :     SalSessionEventType         m_eType;
      36             : 
      37           0 :     SalSessionEvent( SalSessionEventType eType )
      38           0 :             : m_eType( eType )
      39           0 :     {}
      40             : };
      41             : 
      42             : struct SalSessionInteractionEvent : public SalSessionEvent
      43             : {
      44             :     bool                        m_bInteractionGranted;
      45             : 
      46           0 :     SalSessionInteractionEvent( bool bGranted )
      47             :             : SalSessionEvent( Interaction ),
      48           0 :               m_bInteractionGranted( bGranted )
      49           0 :     {}
      50             : };
      51             : 
      52             : struct SalSessionSaveRequestEvent : public SalSessionEvent
      53             : {
      54             :     bool                        m_bShutdown;
      55             :     bool                        m_bCancelable;
      56             : 
      57           0 :     SalSessionSaveRequestEvent( bool bShutdown, bool bCancelable )
      58             :             : SalSessionEvent( SaveRequest ),
      59             :               m_bShutdown( bShutdown ),
      60           0 :               m_bCancelable( bCancelable )
      61           0 :     {}
      62             : };
      63             : 
      64             : struct SalSessionShutdownCancelEvent : public SalSessionEvent
      65             : {
      66           0 :     SalSessionShutdownCancelEvent()
      67           0 :             : SalSessionEvent( ShutdownCancel )
      68           0 :     {}
      69             : };
      70             : 
      71             : struct SalSessionQuitEvent : public SalSessionEvent
      72             : {
      73           0 :     SalSessionQuitEvent()
      74           0 :             : SalSessionEvent( Quit )
      75           0 :     {}
      76             : };
      77             : 
      78             : typedef void(*SessionProc)(void *pData, SalSessionEvent *pEvent);
      79             : 
      80             : class VCL_PLUGIN_PUBLIC SalSession
      81             : {
      82             :     SessionProc         m_aProc;
      83             :     void *              m_pProcData;
      84             : public:
      85           0 :     SalSession()
      86           0 :             : m_aProc( 0 )
      87           0 :     {}
      88             :     virtual ~SalSession();
      89             : 
      90           0 :     void SetCallback( SessionProc aCallback, void * pCallbackData )
      91             :     {
      92           0 :         m_aProc = aCallback;
      93           0 :         m_pProcData = pCallbackData;
      94           0 :     }
      95           0 :     void CallCallback( SalSessionEvent* pEvent )
      96             :     {
      97           0 :         if( m_aProc )
      98           0 :             m_aProc( m_pProcData, pEvent );
      99           0 :     }
     100             : 
     101             :     // query the session manager for a user interaction slot
     102             :     virtual void queryInteraction() = 0;
     103             :     // signal the session manager that we're done with user interaction
     104             :     virtual void interactionDone() = 0;
     105             :     // signal that we're done saving
     106             :     virtual void saveDone() = 0;
     107             :     // try to cancel the sutdown in progress
     108             :     virtual bool cancelShutdown() = 0;
     109             : };
     110             : 
     111             : #endif
     112             : 
     113             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */