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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: sequentialtimecontainer.cxx,v $
*
* $Revision: 1.5 $
*
* last change: $Author: obo $ $Date: 2005-10-11 08:44:25 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#include "canvas/debug.hxx"
#include "canvas/verbosetrace.hxx"
#include "sequentialtimecontainer.hxx"
#include "tools.hxx"
#include "nodetools.hxx"
#include "delayevent.hxx"
#include "com/sun/star/animations/EventTrigger.hpp"
#include "boost/bind.hpp"
#include "boost/mem_fn.hpp"
#include <algorithm>
using namespace ::com::sun::star;
namespace presentation
{
namespace internal
{
SequentialTimeContainer::SequentialTimeContainer( const uno::Reference< animations::XAnimationNode >& xNode,
const BaseContainerNodeSharedPtr& rParent,
const NodeContext& rContext ) :
BaseContainerNode( xNode, rParent, rContext )
{
}
bool SequentialTimeContainer::activate()
{
if( getState() == ACTIVE )
return true; // avoid duplicate event generation
if( !BaseContainerNode::activate() )
return false;
// resolve first child
if( !getChildren().empty() )
return resolveChild( getChildren().front() );
return true;
}
void SequentialTimeContainer::dispose()
{
BaseContainerNode::dispose();
m_pCurrentSkipEvent.reset();
}
bool SequentialTimeContainer::resolveChild(
BaseNodeSharedPtr const & pChildNode )
{
bool const bResolved = pChildNode->resolve();
if (bResolved && isMainSequenceRootNode()) {
if (m_pCurrentSkipEvent)
m_pCurrentSkipEvent->dispose();
m_pCurrentSkipEvent = makeEvent(
boost::bind( &BaseNode::deactivate, pChildNode ) );
// deactivate child node when skip event occurs:
getContext().mrUserEventQueue.registerSkipEffectEvent(
m_pCurrentSkipEvent );
}
return bResolved;
}
void SequentialTimeContainer::notifyDeactivating( const AnimationNodeSharedPtr& rNotifier )
{
// early exit on invalid nodes
if( getState() == INVALID )
return;
// find given notifier in child vector
const VectorOfNodes::const_iterator aBegin( getChildren().begin() );
const VectorOfNodes::const_iterator aEnd( getChildren().end() );
VectorOfNodes::const_iterator aIter;
if( (aIter=::std::find( aBegin,
aEnd,
rNotifier )) == aEnd )
{
OSL_ENSURE( false,
"SequentialTimeContainer::notifyDeactivating(): unknown notifier" );
return;
}
const ::std::size_t nIndex( ::std::distance(aBegin, aIter) );
// prevent duplicate actions (for children that notify
// more than once)
if( getFinishedStates()[ nIndex ] == false )
{
// store new child state
++getFinishedCount();
getFinishedStates()[ nIndex ] = true;
// resolve next child
if( isDurationInfinite() &&
getFinishedCount() < getChildren().size() &&
!resolveChild( getChildren()[getFinishedCount()] ))
{
// could not resolve child - since we risk to
// stall the chain of events here, play it safe
// and deactivate this node (only if we have
// indefinite duration - otherwise, we'll get a
// deactivation event, anyways).
deactivate();
return;
}
}
// all children finished, and we've got indefinite duration?
if( isDurationInfinite() &&
getFinishedCount() == getChildren().size() )
{
// yep. deactivate this node, too
deactivate();
}
}
#if defined(VERBOSE) && defined(DBG_UTIL)
const char* SequentialTimeContainer::getDescription() const
{
return "SequentialTimeContainer";
}
#endif
}
}
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