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Diffstat (limited to 'slideshow/source/engine/animationnodes/basecontainernode.cxx')
| -rw-r--r-- | slideshow/source/engine/animationnodes/basecontainernode.cxx | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/slideshow/source/engine/animationnodes/basecontainernode.cxx b/slideshow/source/engine/animationnodes/basecontainernode.cxx new file mode 100644 index 000000000000..5d12390d38dd --- /dev/null +++ b/slideshow/source/engine/animationnodes/basecontainernode.cxx @@ -0,0 +1,175 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_slideshow.hxx" + +// must be first +#include <canvas/debug.hxx> +#include <canvas/verbosetrace.hxx> + +#include "basecontainernode.hxx" +#include "tools.hxx" +#include "nodetools.hxx" +#include "delayevent.hxx" + +#include <boost/mem_fn.hpp> +#include <algorithm> + +using namespace com::sun::star; + +namespace slideshow { +namespace internal { + +BaseContainerNode::BaseContainerNode( + const uno::Reference< animations::XAnimationNode >& xNode, + const BaseContainerNodeSharedPtr& rParent, + const NodeContext& rContext ) + : BaseNode( xNode, rParent, rContext ), + maChildren(), + mnFinishedChildren(0), + mbDurationIndefinite( isIndefiniteTiming( xNode->getEnd() ) && + isIndefiniteTiming( xNode->getDuration() ) ) +{ +} + +void BaseContainerNode::dispose() +{ + forEachChildNode( boost::mem_fn(&Disposable::dispose) ); + maChildren.clear(); + BaseNode::dispose(); +} + +bool BaseContainerNode::init_st() +{ + mnFinishedChildren = 0; + // initialize all children + return (std::count_if( + maChildren.begin(), maChildren.end(), + boost::mem_fn(&AnimationNode::init) ) == + static_cast<VectorOfNodes::difference_type>(maChildren.size())); +} + +void BaseContainerNode::deactivate_st( NodeState eDestState ) +{ + if (eDestState == FROZEN) { + // deactivate all children that are not FROZEN or ENDED: + forEachChildNode( boost::mem_fn(&AnimationNode::deactivate), + ~(FROZEN | ENDED) ); + } + else { + // end all children that are not ENDED: + forEachChildNode( boost::mem_fn(&AnimationNode::end), ~ENDED ); + } +} + +bool BaseContainerNode::hasPendingAnimation() const +{ + // does any of our children returns "true" on + // AnimationNode::hasPendingAnimation()? + // If yes, we, too, return true + VectorOfNodes::const_iterator const iEnd( maChildren.end() ); + return (std::find_if( + maChildren.begin(), iEnd, + boost::mem_fn(&AnimationNode::hasPendingAnimation) ) != iEnd); +} + +void BaseContainerNode::appendChildNode( AnimationNodeSharedPtr const& pNode ) +{ + if (! checkValidNode()) + return; + + // register derived classes as end listeners at all children. + // this is necessary to control the children animation + // sequence, and to determine our own end event + if (pNode->registerDeactivatingListener( getSelf() )) { + maChildren.push_back( pNode ); + } +} + +bool BaseContainerNode::isChildNode( AnimationNodeSharedPtr const& pNode ) const +{ + // find given notifier in child vector + VectorOfNodes::const_iterator const iBegin( maChildren.begin() ); + VectorOfNodes::const_iterator const iEnd( maChildren.end() ); + VectorOfNodes::const_iterator const iFind( + std::find( iBegin, iEnd, pNode ) ); + return (iFind != iEnd); +} + +bool BaseContainerNode::notifyDeactivatedChild( + AnimationNodeSharedPtr const& pChildNode ) +{ + OSL_ASSERT( pChildNode->getState() == FROZEN || + pChildNode->getState() == ENDED ); + // early exit on invalid nodes + OSL_ASSERT( getState() != INVALID ); + if( getState() == INVALID ) + return false; + + if (! isChildNode(pChildNode)) { + OSL_ENSURE( false, "unknown notifier!" ); + return false; + } + + std::size_t const nSize = maChildren.size(); + OSL_ASSERT( mnFinishedChildren < nSize ); + ++mnFinishedChildren; + bool const bFinished = (mnFinishedChildren >= nSize); + + // all children finished, and we've got indefinite duration? + // think of ParallelTimeContainer::notifyDeactivating() + // if duration given, we will be deactivated by some end event + // @see fillCommonParameters() + if (bFinished && isDurationIndefinite()) { + deactivate(); + } + + return bFinished; +} + +#if defined(VERBOSE) && defined(DBG_UTIL) +void BaseContainerNode::showState() const +{ + for( std::size_t i=0; i<maChildren.size(); ++i ) + { + BaseNodeSharedPtr pNode = + boost::shared_dynamic_cast<BaseNode>(maChildren[i]); + VERBOSE_TRACE( + "Node connection: n0x%X -> n0x%X", + (const char*)this+debugGetCurrentOffset(), + (const char*)pNode.get()+debugGetCurrentOffset() ); + pNode->showState(); + } + + BaseNode::showState(); +} +#endif + +} // namespace internal +} // namespace slideshow + |