diff options
Diffstat (limited to 'svx/source/svdraw/svdograf.cxx')
| -rw-r--r-- | svx/source/svdraw/svdograf.cxx | 192 |
1 files changed, 168 insertions, 24 deletions
diff --git a/svx/source/svdraw/svdograf.cxx b/svx/source/svdraw/svdograf.cxx index d1f65c30050d..27c96f6c819d 100644 --- a/svx/source/svdraw/svdograf.cxx +++ b/svx/source/svdraw/svdograf.cxx @@ -45,6 +45,7 @@ #include <vcl/svapp.hxx> #include <sfx2/linkmgr.hxx> +#include <sfx2/docfile.hxx> #include <svx/svdetc.hxx> #include "svdglob.hxx" #include "svdstr.hrc" @@ -69,6 +70,8 @@ #include <svx/sdr/contact/viewcontactofgraphic.hxx> #include <basegfx/polygon/b2dpolygon.hxx> #include <basegfx/polygon/b2dpolygontools.hxx> +#include <osl/thread.hxx> +#include <vos/mutex.hxx> using namespace ::com::sun::star::uno; using namespace ::com::sun::star::io; @@ -80,13 +83,48 @@ using namespace ::com::sun::star::io; #define GRAFSTREAMPOS_INVALID 0xffffffff #define SWAPGRAPHIC_TIMEOUT 5000 + // ------------------ // - SdrGraphicLink - // ------------------ + +const Graphic ImpLoadLinkedGraphic( const String& rFileName, const String& rFilterName ) +{ + Graphic aGraphic; + + SfxMedium xMed( rFileName, STREAM_STD_READ, TRUE ); + xMed.DownLoad(); + + SvStream* pInStrm = xMed.GetInStream(); + if ( pInStrm ) + { + pInStrm->Seek( STREAM_SEEK_TO_BEGIN ); + GraphicFilter* pGF = GraphicFilter::GetGraphicFilter(); + + const USHORT nFilter = rFilterName.Len() && pGF->GetImportFormatCount() + ? pGF->GetImportFormatNumber( rFilterName ) + : GRFILTER_FORMAT_DONTKNOW; + + String aEmptyStr; + com::sun::star::uno::Sequence< com::sun::star::beans::PropertyValue > aFilterData( 1 ); + + // Room for improvment: + // As this is a linked graphic the GfxLink is not needed if saving/loading our own format. + // But this link is required by some filters to access the native graphic (pdf export/ms export), + // there we should create a new service to provide this data if needed + aFilterData[ 0 ].Name = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "CreateNativeLink" ) ); + aFilterData[ 0 ].Value = Any( sal_True ); + pGF->ImportGraphic( aGraphic, aEmptyStr, *pInStrm, nFilter, NULL, 0, &aFilterData ); + } + return aGraphic; +} + +class SdrGraphicUpdater; class SdrGraphicLink : public sfx2::SvBaseLink { SdrGrafObj* pGrafObj; + SdrGraphicUpdater* pGraphicUpdater; public: SdrGraphicLink(SdrGrafObj* pObj); @@ -95,16 +133,87 @@ public: virtual void Closed(); virtual void DataChanged( const String& rMimeType, const ::com::sun::star::uno::Any & rValue ); + void DataChanged( const Graphic& rGraphic ); BOOL Connect() { return 0 != GetRealObject(); } - void UpdateSynchron(); + void UpdateAsynchron(); + void RemoveGraphicUpdater(); }; +class SdrGraphicUpdater : public ::osl::Thread +{ +public: + SdrGraphicUpdater( const String& rFileName, const String& rFilterName, SdrGraphicLink& ); + virtual ~SdrGraphicUpdater( void ); + + void SAL_CALL Terminate( void ); + + sal_Bool GraphicLinkChanged( const String& rFileName ){ return mrFileName != rFileName; }; + +protected: + + /** is called from the inherited create method and acts as the + main function of this thread. + */ + virtual void SAL_CALL run(void); + + /** Called after the thread is terminated via the terminate + method. Used to kill the thread by calling delete on this. + */ + virtual void SAL_CALL onTerminated(void); + +private: + + ::osl::Mutex maMutex; + const String& mrFileName; + const String& mrFilterName; + SdrGraphicLink& mrGraphicLink; + + volatile bool mbIsTerminated; +}; + +SdrGraphicUpdater::SdrGraphicUpdater( const String& rFileName, const String& rFilterName, SdrGraphicLink& rGraphicLink ) +: mrFileName( rFileName ) +, mrFilterName( rFilterName ) +, mrGraphicLink( rGraphicLink ) +, mbIsTerminated( sal_False ) +{ + create(); +} + +SdrGraphicUpdater::~SdrGraphicUpdater( void ) +{ +} + +void SdrGraphicUpdater::Terminate() +{ + ::osl::MutexGuard aGuard( maMutex ); + mbIsTerminated = sal_True; +} + +void SAL_CALL SdrGraphicUpdater::onTerminated(void) +{ + delete this; +} + +void SAL_CALL SdrGraphicUpdater::run(void) +{ + Graphic aGraphic( ImpLoadLinkedGraphic( mrFileName, mrFilterName ) ); + ::osl::MutexGuard aGuard(maMutex); + vos::OGuard aSolarGuard( Application::GetSolarMutex() ); + if ( !mbIsTerminated ) + { + mrGraphicLink.DataChanged( aGraphic ); + mrGraphicLink.RemoveGraphicUpdater(); + } +} + // ----------------------------------------------------------------------------- -SdrGraphicLink::SdrGraphicLink(SdrGrafObj* pObj): - ::sfx2::SvBaseLink( ::sfx2::LINKUPDATE_ONCALL, SOT_FORMATSTR_ID_SVXB ), - pGrafObj(pObj) +SdrGraphicLink::SdrGraphicLink(SdrGrafObj* pObj) +: ::sfx2::SvBaseLink( ::sfx2::LINKUPDATE_ONCALL, SOT_FORMATSTR_ID_SVXB ) +, pGrafObj( pObj ) +, pGraphicUpdater( NULL ) { SetSynchron( FALSE ); } @@ -113,6 +222,22 @@ SdrGraphicLink::SdrGraphicLink(SdrGrafObj* pObj): SdrGraphicLink::~SdrGraphicLink() { + if ( pGraphicUpdater ) + pGraphicUpdater->Terminate(); +} + +// ----------------------------------------------------------------------------- + +void SdrGraphicLink::DataChanged( const Graphic& rGraphic ) +{ + pGrafObj->ImpSetLinkedGraphic( rGraphic ); +} + +// ----------------------------------------------------------------------------- + +void SdrGraphicLink::RemoveGraphicUpdater() +{ + pGraphicUpdater = NULL; } // ----------------------------------------------------------------------------- @@ -135,9 +260,8 @@ void SdrGraphicLink::DataChanged( const String& rMimeType, } else if( SotExchange::GetFormatIdFromMimeType( rMimeType ) != sfx2::LinkManager::RegisterStatusInfoId() ) { - // only repaint, no objectchange - pGrafObj->ActionChanged(); - // pGrafObj->BroadcastObjectChange(); + // broadcasting, to update slidesorter + pGrafObj->BroadcastObjectChange(); } } } @@ -155,14 +279,20 @@ void SdrGraphicLink::Closed() // ----------------------------------------------------------------------------- -void SdrGraphicLink::UpdateSynchron() +void SdrGraphicLink::UpdateAsynchron() { if( GetObj() ) { - String aMimeType( SotExchange::GetFormatMimeType( GetContentType() )); - ::com::sun::star::uno::Any aValue; - GetObj()->GetData( aValue, aMimeType, TRUE ); - DataChanged( aMimeType, aValue ); + if ( pGraphicUpdater ) + { + if ( pGraphicUpdater->GraphicLinkChanged( pGrafObj->GetFileName() ) ) + { + pGraphicUpdater->Terminate(); + pGraphicUpdater = new SdrGraphicUpdater( pGrafObj->GetFileName(), pGrafObj->GetFilterName(), *this ); + } + } + else + pGraphicUpdater = new SdrGraphicUpdater( pGrafObj->GetFileName(), pGrafObj->GetFilterName(), *this ); } } @@ -447,8 +577,10 @@ void SdrGrafObj::ForceSwapIn() const const_cast< SdrGrafObj* >( this )->mbIsPreview = sal_False; } - - pGraphic->FireSwapInRequest(); + if ( pGraphicLink && pGraphic->IsSwappedOut() ) + ImpUpdateGraphicLink( sal_False ); + else + pGraphic->FireSwapInRequest(); if( pGraphic->IsSwappedOut() || ( pGraphic->GetType() == GRAPHIC_NONE ) || @@ -558,24 +690,36 @@ UINT16 SdrGrafObj::GetObjIdentifier() const // ----------------------------------------------------------------------------- -sal_Bool SdrGrafObj::ImpUpdateGraphicLink() const +/* The graphic of the GraphicLink will be loaded. If it is called with + bAsynchron = true then the graphic will be set later via DataChanged +*/ +sal_Bool SdrGrafObj::ImpUpdateGraphicLink( sal_Bool bAsynchron ) const { - sal_Bool bRet = sal_False; - + sal_Bool bRet = sal_False; if( pGraphicLink ) { - const sal_Bool bIsChanged = pModel->IsChanged(); - pGraphicLink->UpdateSynchron(); - pModel->SetChanged( bIsChanged ); - + if ( bAsynchron ) + pGraphicLink->UpdateAsynchron(); + else + pGraphicLink->DataChanged( ImpLoadLinkedGraphic( aFileName, aFilterName ) ); bRet = sal_True; } - return bRet; } // ----------------------------------------------------------------------------- +void SdrGrafObj::ImpSetLinkedGraphic( const Graphic& rGraphic ) +{ + const sal_Bool bIsChanged = GetModel()->IsChanged(); + NbcSetGraphic( rGraphic ); + ActionChanged(); + BroadcastObjectChange(); + GetModel()->SetChanged( bIsChanged ); +} + +// ----------------------------------------------------------------------------- + void SdrGrafObj::TakeObjNameSingul(XubString& rName) const { switch( pGraphic->GetType() ) @@ -1095,7 +1239,7 @@ IMPL_LINK( SdrGrafObj, ImpSwapHdl, GraphicObject*, pO ) if( ( pGraphic->HasUserData() || pGraphicLink ) && ( nSwapMode & SDR_SWAPGRAPHICSMODE_PURGE ) ) { - pRet = NULL; + pRet = GRFMGR_AUTOSWAPSTREAM_LINK; } else if( nSwapMode & SDR_SWAPGRAPHICSMODE_TEMP ) { @@ -1180,7 +1324,7 @@ IMPL_LINK( SdrGrafObj, ImpSwapHdl, GraphicObject*, pO ) } } } - else if( !ImpUpdateGraphicLink() ) + else if( !ImpUpdateGraphicLink( sal_False ) ) { pRet = GRFMGR_AUTOSWAPSTREAM_TEMP; } |