sd/source/console/PresenterCurrentSlideObserver.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 <utility>
  21
  22 #include "PresenterCurrentSlideObserver.hxx"
  23
  24 using namespace ::com::sun::star;
  25 using namespace ::com::sun::star::uno;
  26
  27 namespace sdext::presenter {
  28
  29 //===== PresenterCurrentSlideObserver =========================================
  30
  31 PresenterCurrentSlideObserver::PresenterCurrentSlideObserver (
  32     ::rtl::Reference<PresenterController> xPresenterController,
  33     const Reference<presentation::XSlideShowController>& rxSlideShowController)
  34     : PresenterCurrentSlideObserverInterfaceBase(m_aMutex),
  35       mpPresenterController(std::move(xPresenterController)),
  36       mxSlideShowController(rxSlideShowController)
  37 {
  38     if( mpPresenterController.is() )
  39     {
  40         mpPresenterController->addEventListener(this);
  41     }
  42
  43     if( mxSlideShowController.is() )
  44     {
  45         // Listen for events from the slide show controller.
  46         mxSlideShowController->addSlideShowListener(static_cast<XSlideShowListener*>(this));
  47     }
  48 }
  49
  50 PresenterCurrentSlideObserver::~PresenterCurrentSlideObserver()
  51 {
  52 }
  53
  54 void SAL_CALL PresenterCurrentSlideObserver::disposing()
  55 {
  56     // Disconnect form the slide show controller.
  57     if(mxSlideShowController.is())
  58     {
  59         mxSlideShowController->removeSlideShowListener(static_cast<XSlideShowListener*>(this));
  60         mxSlideShowController = nullptr;
  61     }
  62
  63     if (mpPresenterController.is())
  64         mpPresenterController->removeEventListener(this);
  65 }
  66
  67 //----- XSlideShowListener ----------------------------------------------------
  68
  69 void SAL_CALL PresenterCurrentSlideObserver::beginEvent (
  70     const Reference<animations::XAnimationNode>&)
  71 {}
  72
  73 void SAL_CALL PresenterCurrentSlideObserver::endEvent (
  74     const Reference<animations::XAnimationNode>&)
  75 {}
  76
  77 void SAL_CALL PresenterCurrentSlideObserver::repeat (
  78     const css::uno::Reference<css::animations::XAnimationNode>&,
  79     sal_Int32)
  80 {}
  81
  82 void SAL_CALL PresenterCurrentSlideObserver::paused()
  83 {
  84 }
  85
  86 void SAL_CALL PresenterCurrentSlideObserver::resumed()
  87 {
  88 }
  89
  90 void SAL_CALL PresenterCurrentSlideObserver::slideEnded (sal_Bool bReverse)
  91 {
  92     // Determine whether the new current slide (the one after the one that
  93     // just ended) is the slide past the last slide in the presentation,
  94     // i.e. the one that says something like "click to end presentation...".
  95     if (mxSlideShowController.is() && !bReverse)
  96         if (mxSlideShowController->getNextSlideIndex() < 0)
  97             if( mpPresenterController.is() )
  98                 mpPresenterController->UpdateCurrentSlide(+1);
  99 }
 100
 101 void SAL_CALL PresenterCurrentSlideObserver::hyperLinkClicked (const OUString &)
 102 {
 103 }
 104
 105 void SAL_CALL PresenterCurrentSlideObserver::slideTransitionStarted()
 106 {
 107     if( mpPresenterController.is() )
 108         mpPresenterController->UpdateCurrentSlide(0);
 109 }
 110
 111 void SAL_CALL PresenterCurrentSlideObserver::slideTransitionEnded()
 112 {
 113 }
 114
 115 void SAL_CALL PresenterCurrentSlideObserver::slideAnimationsEnded()
 116 {
 117 }
 118
 119 //----- XEventListener --------------------------------------------------------
 120
 121 void SAL_CALL PresenterCurrentSlideObserver::disposing (
 122     const lang::EventObject& rEvent)
 123 {
 124     if (rEvent.Source == Reference<XInterface>(static_cast<XWeak*>(mpPresenterController.get())))
 125         dispose();
 126     else if (rEvent.Source == mxSlideShowController)
 127         mxSlideShowController = nullptr;
 128 }
 129
 130 } // end of namespace ::sdext::presenter
 131
 132 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */