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