LCOV - code coverage report
Current view: top level - forms/source/component - EventThread.cxx (source / functions) Hit Total Coverage
Test: commit e02a6cb2c3e2b23b203b422e4e0680877f232636 Lines: 0 96 0.0 %
Date: 2014-04-14 Functions: 0 13 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 "EventThread.hxx"
      21             : #include <comphelper/guarding.hxx>
      22             : #include <tools/debug.hxx>
      23             : 
      24             : 
      25             : namespace frm
      26             : {
      27             : 
      28             : using namespace ::com::sun::star::uno;
      29             : using namespace ::com::sun::star::awt;
      30             : using namespace ::com::sun::star::lang;
      31             : 
      32           0 : OComponentEventThread::OComponentEventThread( ::cppu::OComponentHelper* pCompImpl ) :
      33           0 :     m_pCompImpl( pCompImpl )
      34             : {
      35             : 
      36           0 :     increment(m_refCount);
      37             : 
      38             :     // Hold a reference of the Control
      39             :     {
      40           0 :         InterfaceRef xIFace(static_cast<XWeak*>(pCompImpl));
      41           0 :         query_interface(xIFace, m_xComp);
      42             :     }
      43             : 
      44             :     // and add us at the Control
      45             :     {
      46           0 :         Reference<XEventListener> xEvtLstnr = static_cast<XEventListener*>(this);
      47           0 :         m_xComp->addEventListener( xEvtLstnr );
      48             :     }
      49             : 
      50           0 :     decrement(m_refCount);
      51           0 : }
      52             : 
      53           0 : OComponentEventThread::~OComponentEventThread()
      54             : {
      55             : 
      56             :     DBG_ASSERT( m_aEvents.empty(),
      57             :         "OComponentEventThread::~OComponentEventThread: Didn't call dispose?" );
      58             : 
      59           0 :     impl_clearEventQueue();
      60           0 : }
      61             : 
      62           0 : Any SAL_CALL OComponentEventThread::queryInterface(const Type& _rType) throw (RuntimeException, std::exception)
      63             : {
      64           0 :     Any aReturn;
      65             : 
      66           0 :     aReturn = OWeakObject::queryInterface(_rType);
      67             : 
      68           0 :     if (!aReturn.hasValue())
      69           0 :         aReturn = ::cppu::queryInterface(_rType,
      70             :             static_cast<XEventListener*>(this)
      71           0 :         );
      72             : 
      73           0 :     return aReturn;
      74             : }
      75             : 
      76           0 : void OComponentEventThread::impl_clearEventQueue()
      77             : {
      78           0 :     while ( m_aEvents.size() )
      79             :     {
      80           0 :         delete *m_aEvents.begin();
      81           0 :         m_aEvents.erase( m_aEvents.begin() );
      82             :     }
      83           0 :     m_aControls.erase( m_aControls.begin(), m_aControls.end() );
      84           0 :     m_aFlags.erase( m_aFlags.begin(), m_aFlags.end() );
      85           0 : }
      86             : 
      87           0 : void OComponentEventThread::disposing( const EventObject& evt ) throw ( ::com::sun::star::uno::RuntimeException, std::exception)
      88             : {
      89           0 :     if( evt.Source == m_xComp )
      90             :     {
      91           0 :         ::osl::MutexGuard aGuard( m_aMutex );
      92             : 
      93             :         // Remove EventListener
      94           0 :         Reference<XEventListener>  xEvtLstnr = static_cast<XEventListener*>(this);
      95           0 :         m_xComp->removeEventListener( xEvtLstnr );
      96             : 
      97             :         // Clear EventQueue
      98           0 :         impl_clearEventQueue();
      99             : 
     100             :         // Free the Control and set pCompImpl to 0,
     101             :         // so that the thread knows, that it should terminate.
     102           0 :         m_xComp = 0;
     103           0 :         m_pCompImpl = 0;
     104             : 
     105             :         // Wake up the thread and terminate
     106           0 :         m_aCond.set();
     107           0 :         terminate();
     108             :     }
     109           0 : }
     110             : 
     111           0 : void OComponentEventThread::addEvent( const EventObject* _pEvt, sal_Bool bFlag )
     112             : {
     113           0 :     Reference<XControl>  xTmp;
     114           0 :     addEvent( _pEvt, xTmp, bFlag );
     115           0 : }
     116             : 
     117           0 : void OComponentEventThread::addEvent( const EventObject* _pEvt,
     118             :                                    const Reference<XControl>& rControl,
     119             :                                    sal_Bool bFlag )
     120             : {
     121           0 :     ::osl::MutexGuard aGuard( m_aMutex );
     122             : 
     123             :     // Put data into the queue
     124           0 :     m_aEvents.push_back( cloneEvent( _pEvt ) );
     125             : 
     126           0 :     Reference<XWeak>        xWeakControl(rControl, UNO_QUERY);
     127           0 :     Reference<XAdapter> xControlAdapter = xWeakControl.is() ? xWeakControl->queryAdapter() : Reference<XAdapter>();
     128           0 :     m_aControls.push_back( xControlAdapter );
     129             : 
     130           0 :     m_aFlags.push_back( bFlag );
     131             : 
     132             :     // Wake up thread
     133           0 :     m_aCond.set();
     134           0 : }
     135             : 
     136           0 : void OComponentEventThread::implStarted( )
     137             : {
     138           0 :     acquire( );
     139           0 : }
     140             : 
     141           0 : void OComponentEventThread::implTerminated( )
     142             : {
     143           0 :     release( );
     144           0 : }
     145             : 
     146           0 : void SAL_CALL OComponentEventThread::kill()
     147             : {
     148           0 :     OComponentEventThread_TBASE::terminate();
     149           0 :     OComponentEventThread_TBASE::join();
     150             : 
     151           0 :     implTerminated( );
     152           0 : }
     153             : 
     154           0 : void SAL_CALL OComponentEventThread::onTerminated()
     155             : {
     156           0 :     OComponentEventThread_TBASE::onTerminated();
     157             : 
     158           0 :     implTerminated( );
     159           0 : }
     160             : 
     161           0 : void OComponentEventThread::run()
     162             : {
     163           0 :     implStarted( );
     164             : 
     165             :     // Hold on to ourselves, so that we're not deleted if a dispose is called at some point in time
     166           0 :     InterfaceRef xThis(static_cast<XWeak*>(this));
     167             : 
     168             :     do
     169             :     {
     170           0 :         ::osl::MutexGuard aGuard(m_aMutex);
     171             : 
     172           0 :         while( m_aEvents.size() > 0 )
     173             :         {
     174             :             // Get the Control and hold on to it so that it cannot be deleted during actionPerformed
     175           0 :             Reference<XComponent>  xComp = m_xComp;
     176           0 :             ::cppu::OComponentHelper *pCompImpl = m_pCompImpl;
     177             : 
     178           0 :             ThreadEvents::iterator firstEvent( m_aEvents.begin() );
     179           0 :             EventObject* pEvt = *firstEvent;
     180           0 :             m_aEvents.erase( firstEvent );
     181             : 
     182           0 :             ThreadObjects::iterator firstControl( m_aControls.begin() );
     183           0 :             Reference<XAdapter> xControlAdapter = *firstControl;
     184           0 :             m_aControls.erase( firstControl );
     185             : 
     186           0 :             ThreadBools::iterator firstFlag( m_aFlags.begin() );
     187           0 :             sal_Bool bFlag = *firstFlag;
     188           0 :             m_aFlags.erase( firstFlag );
     189             : 
     190             :             {
     191           0 :                 MutexRelease aReleaseOnce(m_aMutex);
     192             :                 // Because a queryHardRef can throw an Exception, it shoudln't be called when
     193             :                 // the mutex is locked.
     194           0 :                 Reference<XControl>  xControl;
     195           0 :                 if ( xControlAdapter.is() )
     196           0 :                     query_interface(xControlAdapter->queryAdapted(), xControl);
     197             : 
     198           0 :                 if( xComp.is() )
     199           0 :                     processEvent( pCompImpl, pEvt, xControl, bFlag );
     200             :             }
     201             : 
     202           0 :             delete pEvt;
     203           0 :         };
     204             : 
     205             :         // After a Dispose, we do not know the Control anymore.
     206             :         // Thus, we must not wait either.
     207           0 :         if( !m_xComp.is() )
     208           0 :             return;
     209             : 
     210             :         // Reset waiting condition
     211           0 :         m_aCond.reset();
     212             :         {
     213           0 :             MutexRelease aReleaseOnce(m_aMutex);
     214             :             // And wait ... if, in the meantime, an Event came in after all
     215           0 :             m_aCond.wait();
     216           0 :         }
     217             :     }
     218           0 :     while( true );
     219             : }
     220             : 
     221             : 
     222             : }   // namespace frm
     223             : 
     224             : 
     225             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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