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 "PresenterFrameworkObserver.hxx"
      21             : #include <com/sun/star/lang/IllegalArgumentException.hpp>
      22             : 
      23             : using namespace ::com::sun::star;
      24             : using namespace ::com::sun::star::uno;
      25             : using namespace ::com::sun::star::drawing::framework;
      26             : 
      27             : 
      28             : namespace sdext { namespace presenter {
      29             : 
      30           0 : PresenterFrameworkObserver::PresenterFrameworkObserver (
      31             :     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
      32             :     const OUString& rsEventName,
      33             :     const Predicate& rPredicate,
      34             :     const Action& rAction)
      35             :     : PresenterFrameworkObserverInterfaceBase(m_aMutex),
      36             :       mxConfigurationController(rxController),
      37             :       maPredicate(rPredicate),
      38           0 :       maAction(rAction)
      39             : {
      40           0 :     if ( ! mxConfigurationController.is())
      41           0 :         throw lang::IllegalArgumentException();
      42             : 
      43           0 :     if (mxConfigurationController->hasPendingRequests())
      44             :     {
      45           0 :         if (!rsEventName.isEmpty())
      46             :         {
      47           0 :             mxConfigurationController->addConfigurationChangeListener(
      48             :                 this,
      49             :                 rsEventName,
      50           0 :                 Any());
      51             :         }
      52           0 :         mxConfigurationController->addConfigurationChangeListener(
      53             :             this,
      54             :             "ConfigurationUpdateEnd",
      55           0 :             Any());
      56             :     }
      57             :     else
      58             :     {
      59           0 :         rAction(maPredicate());
      60             :     }
      61           0 : }
      62             : 
      63           0 : PresenterFrameworkObserver::~PresenterFrameworkObserver()
      64             : {
      65           0 : }
      66             : 
      67           0 : void PresenterFrameworkObserver::RunOnUpdateEnd (
      68             :     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
      69             :     const Action& rAction)
      70             : {
      71             :     new PresenterFrameworkObserver(
      72             :         rxController,
      73             :         OUString(),
      74             :         &PresenterFrameworkObserver::True,
      75           0 :         rAction);
      76           0 : }
      77             : 
      78           0 : bool PresenterFrameworkObserver::True()
      79             : {
      80           0 :     return true;
      81             : }
      82             : 
      83           0 : void SAL_CALL PresenterFrameworkObserver::disposing()
      84             : {
      85           0 :     if ( ! maAction.empty())
      86           0 :         maAction(false);
      87           0 :     Shutdown();
      88           0 : }
      89             : 
      90           0 : void PresenterFrameworkObserver::Shutdown()
      91             : {
      92           0 :     maAction = Action();
      93           0 :     maPredicate = Predicate();
      94             : 
      95           0 :     if (mxConfigurationController != NULL)
      96             :     {
      97           0 :         mxConfigurationController->removeConfigurationChangeListener(this);
      98           0 :         mxConfigurationController = NULL;
      99             :     }
     100           0 : }
     101             : 
     102           0 : void SAL_CALL PresenterFrameworkObserver::disposing (const lang::EventObject& rEvent)
     103             :     throw (RuntimeException, std::exception)
     104             : {
     105           0 :     if ( ! rEvent.Source.is())
     106           0 :         return;
     107             : 
     108           0 :     if (rEvent.Source == mxConfigurationController)
     109             :     {
     110           0 :         mxConfigurationController = NULL;
     111           0 :         if ( ! maAction.empty())
     112           0 :             maAction(false);
     113             :     }
     114             : }
     115             : 
     116           0 : void SAL_CALL PresenterFrameworkObserver::notifyConfigurationChange (
     117             :     const ConfigurationChangeEvent& rEvent)
     118             :     throw (RuntimeException, std::exception)
     119             : {
     120           0 :     bool bDispose(false);
     121             : 
     122           0 :     Action aAction (maAction);
     123           0 :     Predicate aPredicate (maPredicate);
     124           0 :     if (rEvent.Type == "ConfigurationUpdateEnd")
     125             :     {
     126           0 :         Shutdown();
     127           0 :         aAction(aPredicate);
     128           0 :         bDispose = true;
     129             :     }
     130           0 :     else if (aPredicate())
     131             :     {
     132           0 :         Shutdown();
     133           0 :         aAction(true);
     134           0 :         bDispose = true;
     135             :     }
     136             : 
     137           0 :     if (bDispose)
     138             :     {
     139           0 :         maAction.clear();
     140           0 :         dispose();
     141           0 :     }
     142           0 : }
     143             : 
     144             : } }  // end of namespace ::sdext::presenter
     145             : 
     146             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */