672dde158f
2008/02/08 18:44:44 jcn 1.1.2.1: Initial toolkit import from ee9a2fcc29d7e2f01cc80ef7c13bf7bc7d55ae7e.
layout/source/awt -> toolkit/source/awt
layout/source/core -> toolkit/source/layout
layout/source/wrapper -> toolkit/source/vclcompat
layout/inc/layout -> toolkit/inc/layout
layout/source/inc -> toolkit/inc/layout
layout/workben -> toolkit/workben/layout
That's ooo-build trunk r11539 @ ooh680-m5/src680-m245.
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
#include "timer.hxx"
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#include <vector>
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#include <list>
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#include <vcl/timer.hxx>
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#include <com/sun/star/awt/XLayoutContainer.hpp>
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namespace layoutimpl
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{
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using namespace ::com::sun::star;
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class AllocateTimer : public Timer
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{
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typedef std::list< uno::Reference< awt::XLayoutContainer > > ContainerList;
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ContainerList mxContainers;
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uno::Reference< awt::XLayoutContainer > mxLastAdded;
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public:
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AllocateTimer()
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{
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// timer set to 0 -- just process it as soon as it gets idle
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SetTimeout( 0 );
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}
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static inline bool isParentOf( uno::Reference< awt::XLayoutContainer > xParent,
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uno::Reference< awt::XLayoutContainer > xWidget )
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{
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while ( xWidget.is() )
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{
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if ( xWidget == xParent )
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return true;
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xWidget = uno::Reference< awt::XLayoutContainer >( xWidget->getParent(), uno::UNO_QUERY );
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}
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return false;
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}
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static inline void eraseChildren( ContainerList::iterator &it, ContainerList &list )
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{
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ContainerList::iterator jt = list.begin();
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while ( jt != list.end() )
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{
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if ( it != jt && isParentOf( *it, *jt ) )
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jt = list.erase( jt );
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else
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jt++;
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}
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}
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static inline bool isContainerDamaged( uno::Reference< awt::XLayoutContainer > xContainer )
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{
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uno::Reference< awt::XLayoutConstrains > xConstrains( xContainer, uno::UNO_QUERY );
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awt::Size lastReq( xContainer->getRequestedSize() );
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awt::Size curReq( xConstrains->getMinimumSize() );
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return lastReq.Width != curReq.Width || lastReq.Height != curReq.Height;
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}
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void add( const uno::Reference< awt::XLayoutContainer > &xContainer )
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{
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// small optimization
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if ( mxLastAdded == xContainer )
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return;
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mxLastAdded = xContainer;
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mxContainers.push_back( xContainer );
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}
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virtual void Timeout()
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{
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mxLastAdded = uno::Reference< awt::XLayoutContainer >();
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// 1. remove duplications and children
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for( ContainerList::iterator it = mxContainers.begin();
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it != mxContainers.end(); it++ )
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eraseChildren( it, mxContainers );
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// 2. check damage extent
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for( ContainerList::iterator it = mxContainers.begin();
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it != mxContainers.end(); it++ )
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{
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uno::Reference< awt::XLayoutContainer > xContainer = *it;
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while ( xContainer->getParent().is() && isContainerDamaged( xContainer ) )
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{
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xContainer = uno::Reference< awt::XLayoutContainer >(
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xContainer->getParent(), uno::UNO_QUERY );
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}
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if ( *it != xContainer )
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{
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// 2.2 replace it with parent
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*it = xContainer;
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// 2.3 remove children of new parent
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eraseChildren( it, mxContainers );
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}
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}
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// 3. force re-calculations
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for( ContainerList::iterator it = mxContainers.begin();
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it != mxContainers.end(); it++ )
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(*it)->allocateArea( (*it)->getAllocatedArea() );
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}
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};
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static void AddResizeTimeout( const uno::Reference< awt::XLayoutContainer > &xCont )
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{
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static AllocateTimer timer;
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timer.add( xCont );
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timer.Start();
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}
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LayoutUnit::LayoutUnit() : LayoutUnit_Base()
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{
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}
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void SAL_CALL LayoutUnit::queueResize( const uno::Reference< awt::XLayoutContainer > &xContainer )
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throw( uno::RuntimeException )
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{
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AddResizeTimeout( xContainer );
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}
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}
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