/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sdext.hxx"

#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