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 { namespace 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
  62 //----- XSlideShowListener ----------------------------------------------------
  63
  64 void SAL_CALL PresenterCurrentSlideObserver::beginEvent (
  65     const Reference<animations::XAnimationNode>&)
  66 {}
  67
  68 void SAL_CALL PresenterCurrentSlideObserver::endEvent (
  69     const Reference<animations::XAnimationNode>&)
  70 {}
  71
  72 void SAL_CALL PresenterCurrentSlideObserver::repeat (
  73     const css::uno::Reference<css::animations::XAnimationNode>&,
  74     sal_Int32)
  75 {}
  76
  77 void SAL_CALL PresenterCurrentSlideObserver::paused()
  78 {
  79 }
  80
  81 void SAL_CALL PresenterCurrentSlideObserver::resumed()
  82 {
  83 }
  84
  85 void SAL_CALL PresenterCurrentSlideObserver::slideEnded (sal_Bool bReverse)
  86 {
  87     // Determine whether the new current slide (the one after the one that
  88     // just ended) is the slide past the last slide in the presentation,
  89     // i.e. the one that says something like "click to end presentation...".
  90     if (mxSlideShowController.is() && !bReverse)
  91         if (mxSlideShowController->getNextSlideIndex() < 0)
  92             if( mpPresenterController.is() )
  93                 mpPresenterController->UpdateCurrentSlide(+1);
  94 }
  95
  96 void SAL_CALL PresenterCurrentSlideObserver::hyperLinkClicked (const OUString &)
  97 {
  98 }
  99
 100 void SAL_CALL PresenterCurrentSlideObserver::slideTransitionStarted()
 101 {
 102     if( mpPresenterController.is() )
 103         mpPresenterController->UpdateCurrentSlide(0);
 104 }
 105
 106 void SAL_CALL PresenterCurrentSlideObserver::slideTransitionEnded()
 107 {
 108 }
 109
 110 void SAL_CALL PresenterCurrentSlideObserver::slideAnimationsEnded()
 111 {
 112 }
 113
 114 //----- XEventListener --------------------------------------------------------
 115
 116 void SAL_CALL PresenterCurrentSlideObserver::disposing (
 117     const lang::EventObject& rEvent)
 118 {
 119     if (rEvent.Source == Reference<XInterface>(static_cast<XWeak*>(mpPresenterController.get())))
 120         dispose();
 121     else if (rEvent.Source == mxSlideShowController)
 122         mxSlideShowController = nullptr;
 123 }
 124
 125 } } // end of namespace ::sdext::presenter
 126
 127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */