libreoffice/sdext/source/presenter/PresenterCurrentSlideObserver.cxx

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#include "PresenterCurrentSlideObserver.hxx"

using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using ::rtl::OUString;

namespace sdext { namespace presenter {

//===== PresenterCurrentSlideObserver =========================================

PresenterCurrentSlideObserver::PresenterCurrentSlideObserver (
    const ::rtl::Reference<PresenterController>& rxPresenterController,
    const Reference<presentation::XSlideShowController>& rxSlideShowController)
    : PresenterCurrentSlideObserverInterfaceBase(m_aMutex),
      mpPresenterController(rxPresenterController),
      mxSlideShowController(rxSlideShowController)
{
    if( mpPresenterController.is() )
    {
        mpPresenterController->addEventListener(this);
    }

    if( mxSlideShowController.is() )
    {
        // Listen for events from the slide show controller.
        mxSlideShowController->addSlideShowListener(static_cast<XSlideShowListener*>(this));
    }
}

PresenterCurrentSlideObserver::~PresenterCurrentSlideObserver (void)
{
}

void SAL_CALL PresenterCurrentSlideObserver::disposing (void)
{
    // Disconnect form the slide show controller.
    if(mxSlideShowController.is())
    {
        mxSlideShowController->removeSlideShowListener(static_cast<XSlideShowListener*>(this));
        mxSlideShowController = NULL;
    }
}

//----- XSlideShowListener ----------------------------------------------------

void SAL_CALL PresenterCurrentSlideObserver::beginEvent (
    const Reference<animations::XAnimationNode>& rNode)
    throw (css::uno::RuntimeException)
{
    (void)rNode;
}

void SAL_CALL PresenterCurrentSlideObserver::endEvent (
    const Reference<animations::XAnimationNode>& rNode)
    throw(css::uno::RuntimeException)
{
    (void)rNode;
}

void SAL_CALL PresenterCurrentSlideObserver::repeat (
    const css::uno::Reference<css::animations::XAnimationNode>& rNode,
    sal_Int32)
    throw (com::sun::star::uno::RuntimeException)
{
    (void)rNode;
}

void SAL_CALL PresenterCurrentSlideObserver::paused (void)
    throw (com::sun::star::uno::RuntimeException)
{
}

void SAL_CALL PresenterCurrentSlideObserver::resumed (void)
    throw (css::uno::RuntimeException)
{
}

void SAL_CALL PresenterCurrentSlideObserver::slideEnded (sal_Bool bReverse)
    throw (css::uno::RuntimeException)
{
    // Determine whether the new current slide (the one after the one that
    // just ended) is the slide past the last slide in the presentation,
    // i.e. the one that says something like "click to end presentation...".
    if (mxSlideShowController.is() && !bReverse)
        if (mxSlideShowController->getNextSlideIndex() < 0)
            if( mpPresenterController.is() )
                mpPresenterController->UpdateCurrentSlide(+1);
}

void SAL_CALL PresenterCurrentSlideObserver::hyperLinkClicked (const rtl::OUString &)
    throw (css::uno::RuntimeException)
{
}

void SAL_CALL PresenterCurrentSlideObserver::slideTransitionStarted (void)
    throw (css::uno::RuntimeException)
{
    if( mpPresenterController.is() )
        mpPresenterController->UpdateCurrentSlide(0);
}

void SAL_CALL PresenterCurrentSlideObserver::slideTransitionEnded (void)
    throw (css::uno::RuntimeException)
{
}

void SAL_CALL PresenterCurrentSlideObserver::slideAnimationsEnded (void)
    throw (css::uno::RuntimeException)
{
}

//----- XEventListener --------------------------------------------------------

void SAL_CALL PresenterCurrentSlideObserver::disposing (
    const lang::EventObject& rEvent)
    throw (RuntimeException)
{
    if (rEvent.Source == Reference<XInterface>(static_cast<XWeak*>(mpPresenterController.get())))
        dispose();
    else if (rEvent.Source == mxSlideShowController)
        mxSlideShowController = NULL;
}

} } // end of namespace ::sdext::presenter

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