sd/source/console/PresenterFrameworkObserver.cxx

   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 #include <utility>
  23
  24 using namespace ::com::sun::star;
  25 using namespace ::com::sun::star::uno;
  26 using namespace ::com::sun::star::drawing::framework;
  27
  28
  29 namespace sdext::presenter {
  30
  31 PresenterFrameworkObserver::PresenterFrameworkObserver (
  32     css::uno::Reference<css::drawing::framework::XConfigurationController> xController,
  33     const Action& rAction)
  34     : PresenterFrameworkObserverInterfaceBase(m_aMutex),
  35       mxConfigurationController(std::move(xController)),
  36       maAction(rAction)
  37 {
  38     if ( ! mxConfigurationController.is())
  39         throw lang::IllegalArgumentException();
  40
  41     if (mxConfigurationController->hasPendingRequests())
  42     {
  43         mxConfigurationController->addConfigurationChangeListener(
  44             this,
  45             "ConfigurationUpdateEnd",
  46             Any());
  47     }
  48     else
  49     {
  50         rAction(true);
  51     }
  52 }
  53
  54 PresenterFrameworkObserver::~PresenterFrameworkObserver()
  55 {
  56 }
  57
  58 void PresenterFrameworkObserver::RunOnUpdateEnd (
  59     const css::uno::Reference<css::drawing::framework::XConfigurationController>&rxController,
  60     const Action& rAction)
  61 {
  62     new PresenterFrameworkObserver(
  63         rxController,
  64         rAction);
  65 }
  66
  67 void SAL_CALL PresenterFrameworkObserver::disposing()
  68 {
  69     if (maAction)
  70         maAction(false);
  71     Shutdown();
  72 }
  73
  74 void PresenterFrameworkObserver::Shutdown()
  75 {
  76     maAction = Action();
  77     if (mxConfigurationController != nullptr)
  78     {
  79         mxConfigurationController->removeConfigurationChangeListener(this);
  80         mxConfigurationController = nullptr;
  81     }
  82 }
  83
  84 void SAL_CALL PresenterFrameworkObserver::disposing (const lang::EventObject& rEvent)
  85 {
  86     if ( ! rEvent.Source.is())
  87         return;
  88
  89     if (rEvent.Source == mxConfigurationController)
  90     {
  91         mxConfigurationController = nullptr;
  92         if (maAction)
  93             maAction(false);
  94     }
  95 }
  96
  97 void SAL_CALL PresenterFrameworkObserver::notifyConfigurationChange (
  98     const ConfigurationChangeEvent& /*rEvent*/)
  99 {
 100     Action aAction(maAction);
 101     Shutdown();
 102     aAction(true);
 103
 104     maAction = nullptr;
 105     dispose();
 106 }
 107
 108 }  // end of namespace ::sdext::presenter
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */