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Diffstat (limited to '')
| -rw-r--r-- | svx/source/svdraw/svdouno.cxx | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/svx/source/svdraw/svdouno.cxx b/svx/source/svdraw/svdouno.cxx new file mode 100644 index 000000000..49cea290a --- /dev/null +++ b/svx/source/svdraw/svdouno.cxx @@ -0,0 +1,510 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <sdr/contact/viewcontactofunocontrol.hxx> +#include <sdr/contact/viewobjectcontactofunocontrol.hxx> +#include <com/sun/star/container/XChild.hpp> +#include <com/sun/star/beans/XPropertySet.hpp> +#include <com/sun/star/util/XCloneable.hpp> +#include <com/sun/star/uno/XComponentContext.hpp> +#include <comphelper/processfactory.hxx> +#include <svx/svdouno.hxx> +#include <svx/svdpagv.hxx> +#include <svx/svdmodel.hxx> +#include <svx/dialmgr.hxx> +#include <svx/strings.hrc> +#include <svx/svdview.hxx> +#include <svx/svdorect.hxx> +#include <svx/svdviter.hxx> +#include <rtl/ustrbuf.hxx> +#include <rtl/ref.hxx> +#include <svx/sdrpagewindow.hxx> +#include <tools/diagnose_ex.h> +#include <tools/debug.hxx> +#include <o3tl/sorted_vector.hxx> + +using namespace ::com::sun::star; +using namespace sdr::contact; + + +// Defines + + +// Helper class SdrControlEventListenerImpl + +#include <com/sun/star/lang/XEventListener.hpp> + +#include <cppuhelper/implbase.hxx> + + +class SdrControlEventListenerImpl : public ::cppu::WeakImplHelper< css::lang::XEventListener > +{ +protected: + SdrUnoObj* pObj; + +public: + explicit SdrControlEventListenerImpl(SdrUnoObj* _pObj) + : pObj(_pObj) + {} + + // XEventListener + virtual void SAL_CALL disposing( const css::lang::EventObject& Source ) override; + + void StopListening(const uno::Reference< lang::XComponent >& xComp); + void StartListening(const uno::Reference< lang::XComponent >& xComp); +}; + +// XEventListener +void SAL_CALL SdrControlEventListenerImpl::disposing( const css::lang::EventObject& /*Source*/) +{ + if (pObj) + { + pObj->xUnoControlModel = nullptr; + } +} + +void SdrControlEventListenerImpl::StopListening(const uno::Reference< lang::XComponent >& xComp) +{ + if (xComp.is()) + xComp->removeEventListener(this); +} + +void SdrControlEventListenerImpl::StartListening(const uno::Reference< lang::XComponent >& xComp) +{ + if (xComp.is()) + xComp->addEventListener(this); +} + + +struct SdrUnoObjDataHolder +{ + mutable ::rtl::Reference< SdrControlEventListenerImpl > + pEventListener; +}; + + +namespace +{ + void lcl_ensureControlVisibility( SdrView const * _pView, const SdrUnoObj* _pObject, bool _bVisible ) + { + OSL_PRECOND( _pObject, "lcl_ensureControlVisibility: no object -> no survival!" ); + + SdrPageView* pPageView = _pView ? _pView->GetSdrPageView() : nullptr; + DBG_ASSERT( pPageView, "lcl_ensureControlVisibility: no view found!" ); + if ( !pPageView ) + return; + + ViewContact& rUnoControlContact( _pObject->GetViewContact() ); + + for ( sal_uInt32 i = 0; i < pPageView->PageWindowCount(); ++i ) + { + SdrPageWindow* pPageWindow = pPageView->GetPageWindow( i ); + DBG_ASSERT( pPageWindow, "lcl_ensureControlVisibility: invalid PageViewWindow!" ); + if ( !pPageWindow ) + continue; + + if ( !pPageWindow->HasObjectContact() ) + continue; + + ObjectContact& rPageViewContact( pPageWindow->GetObjectContact() ); + const ViewObjectContact& rViewObjectContact( rUnoControlContact.GetViewObjectContact( rPageViewContact ) ); + const ViewObjectContactOfUnoControl* pUnoControlContact = dynamic_cast< const ViewObjectContactOfUnoControl* >( &rViewObjectContact ); + DBG_ASSERT( pUnoControlContact, "lcl_ensureControlVisibility: wrong ViewObjectContact type!" ); + if ( !pUnoControlContact ) + continue; + + pUnoControlContact->ensureControlVisibility( _bVisible ); + } + } +} + +SdrUnoObj::SdrUnoObj( + SdrModel& rSdrModel, + const OUString& rModelName) +: SdrRectObj(rSdrModel), + m_pImpl( new SdrUnoObjDataHolder ) +{ + bIsUnoObj = true; + + m_pImpl->pEventListener = new SdrControlEventListenerImpl(this); + + // only an owner may create independently + if (!rModelName.isEmpty()) + CreateUnoControlModel(rModelName); +} + +SdrUnoObj::SdrUnoObj( + SdrModel& rSdrModel, + const OUString& rModelName, + const uno::Reference< lang::XMultiServiceFactory >& rxSFac) +: SdrRectObj(rSdrModel), + m_pImpl( new SdrUnoObjDataHolder ) +{ + bIsUnoObj = true; + + m_pImpl->pEventListener = new SdrControlEventListenerImpl(this); + + // only an owner may create independently + if (!rModelName.isEmpty()) + CreateUnoControlModel(rModelName,rxSFac); +} + +SdrUnoObj::~SdrUnoObj() +{ + try + { + // clean up the control model + uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY); + if (xComp.is()) + { + // is the control model owned by its environment? + uno::Reference< container::XChild > xContent(xUnoControlModel, uno::UNO_QUERY); + if (xContent.is() && !xContent->getParent().is()) + xComp->dispose(); + else + m_pImpl->pEventListener->StopListening(xComp); + } + } + catch( const uno::Exception& ) + { + TOOLS_WARN_EXCEPTION( "svx", "SdrUnoObj::~SdrUnoObj" ); + } +} + +void SdrUnoObj::TakeObjInfo(SdrObjTransformInfoRec& rInfo) const +{ + rInfo.bRotateFreeAllowed = false; + rInfo.bRotate90Allowed = false; + rInfo.bMirrorFreeAllowed = false; + rInfo.bMirror45Allowed = false; + rInfo.bMirror90Allowed = false; + rInfo.bTransparenceAllowed = false; + rInfo.bShearAllowed = false; + rInfo.bEdgeRadiusAllowed = false; + rInfo.bNoOrthoDesired = false; + rInfo.bCanConvToPath = false; + rInfo.bCanConvToPoly = false; + rInfo.bCanConvToPathLineToArea = false; + rInfo.bCanConvToPolyLineToArea = false; + rInfo.bCanConvToContour = false; +} + +sal_uInt16 SdrUnoObj::GetObjIdentifier() const +{ + return sal_uInt16(OBJ_UNO); +} + +void SdrUnoObj::SetContextWritingMode( const sal_Int16 _nContextWritingMode ) +{ + try + { + uno::Reference< beans::XPropertySet > xModelProperties( GetUnoControlModel(), uno::UNO_QUERY_THROW ); + xModelProperties->setPropertyValue( "ContextWritingMode", uno::makeAny( _nContextWritingMode ) ); + } + catch( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION("svx"); + } +} + +OUString SdrUnoObj::TakeObjNameSingul() const +{ + OUStringBuffer sName(SvxResId(STR_ObjNameSingulUno)); + + OUString aName(GetName()); + if (!aName.isEmpty()) + { + sName.append(' '); + sName.append('\''); + sName.append(aName); + sName.append('\''); + } + + return sName.makeStringAndClear(); +} + +OUString SdrUnoObj::TakeObjNamePlural() const +{ + return SvxResId(STR_ObjNamePluralUno); +} + +SdrUnoObj* SdrUnoObj::CloneSdrObject(SdrModel& rTargetModel) const +{ + return CloneHelper< SdrUnoObj >(rTargetModel); +} + +SdrUnoObj& SdrUnoObj::operator= (const SdrUnoObj& rObj) +{ + if( this == &rObj ) + return *this; + SdrRectObj::operator= (rObj); + + // release the reference to the current control model + SetUnoControlModel( nullptr ); + + aUnoControlModelTypeName = rObj.aUnoControlModelTypeName; + aUnoControlTypeName = rObj.aUnoControlTypeName; + + // copy the uno control model + const uno::Reference< awt::XControlModel > xSourceControlModel = rObj.GetUnoControlModel(); + if ( xSourceControlModel.is() ) + { + try + { + uno::Reference< util::XCloneable > xClone( xSourceControlModel, uno::UNO_QUERY_THROW ); + xUnoControlModel.set( xClone->createClone(), uno::UNO_QUERY_THROW ); + } + catch( const uno::Exception& ) + { + DBG_UNHANDLED_EXCEPTION("svx"); + } + } + + // get service name of the control from the control model + uno::Reference< beans::XPropertySet > xSet(xUnoControlModel, uno::UNO_QUERY); + if (xSet.is()) + { + uno::Any aValue( xSet->getPropertyValue("DefaultControl") ); + OUString aStr; + + if( aValue >>= aStr ) + aUnoControlTypeName = aStr; + } + + uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY); + if (xComp.is()) + m_pImpl->pEventListener->StartListening(xComp); + return *this; +} + +void SdrUnoObj::NbcResize(const Point& rRef, const Fraction& xFact, const Fraction& yFact) +{ + SdrRectObj::NbcResize(rRef,xFact,yFact); + + if (aGeo.nShearAngle!=0 || aGeo.nRotationAngle!=0) + { + // small correctors + if (aGeo.nRotationAngle>=9000 && aGeo.nRotationAngle<27000) + { + maRect.Move(maRect.Left()-maRect.Right(),maRect.Top()-maRect.Bottom()); + } + + aGeo.nRotationAngle = 0; + aGeo.nShearAngle = 0; + aGeo.nSin = 0.0; + aGeo.nCos = 1.0; + aGeo.nTan = 0.0; + SetRectsDirty(); + } +} + + +bool SdrUnoObj::hasSpecialDrag() const +{ + // no special drag; we have no rounding rect and + // do want frame handles + return false; +} + +void SdrUnoObj::NbcSetLayer( SdrLayerID _nLayer ) +{ + if ( GetLayer() == _nLayer ) + { // redundant call -> not interested in doing anything here + SdrRectObj::NbcSetLayer( _nLayer ); + return; + } + + // we need some special handling here in case we're moved from an invisible layer + // to a visible one, or vice versa + // (relative to a layer. Remember that the visibility of a layer is a view attribute + // - the same layer can be visible in one view, and invisible in another view, at the + // same time) + + // collect all views in which our old layer is visible + o3tl::sorted_vector< SdrView* > aPreviouslyVisible; + + { + SdrViewIter aIter( this ); + for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() ) + aPreviouslyVisible.insert( pView ); + } + + SdrRectObj::NbcSetLayer( _nLayer ); + + // collect all views in which our new layer is visible + o3tl::sorted_vector< SdrView* > aNewlyVisible; + + { + SdrViewIter aIter( this ); + for ( SdrView* pView = aIter.FirstView(); pView; pView = aIter.NextView() ) + { + if ( aPreviouslyVisible.erase(pView) == 0 ) + { + // in pView, we were visible _before_ the layer change, and are + // _not_ visible after the layer change + // => remember this view, as our visibility there changed + aNewlyVisible.insert( pView ); + } + } + } + + // now aPreviouslyVisible contains all views where we became invisible + for (const auto& rpView : aPreviouslyVisible) + { + lcl_ensureControlVisibility( rpView, this, false ); + } + + // and aNewlyVisible all views where we became visible + for (const auto& rpView : aNewlyVisible) + { + lcl_ensureControlVisibility( rpView, this, true ); + } +} + +void SdrUnoObj::CreateUnoControlModel(const OUString& rModelName) +{ + DBG_ASSERT(!xUnoControlModel.is(), "model already exists"); + + aUnoControlModelTypeName = rModelName; + + uno::Reference< awt::XControlModel > xModel; + uno::Reference< uno::XComponentContext > xContext( ::comphelper::getProcessComponentContext() ); + if (!aUnoControlModelTypeName.isEmpty() ) + { + xModel.set(xContext->getServiceManager()->createInstanceWithContext( + aUnoControlModelTypeName, xContext), uno::UNO_QUERY); + + if (xModel.is()) + SetChanged(); + } + + SetUnoControlModel(xModel); +} + +void SdrUnoObj::CreateUnoControlModel(const OUString& rModelName, + const uno::Reference< lang::XMultiServiceFactory >& rxSFac) +{ + DBG_ASSERT(!xUnoControlModel.is(), "model already exists"); + + aUnoControlModelTypeName = rModelName; + + uno::Reference< awt::XControlModel > xModel; + if (!aUnoControlModelTypeName.isEmpty() && rxSFac.is() ) + { + xModel.set(rxSFac->createInstance(aUnoControlModelTypeName), uno::UNO_QUERY); + + if (xModel.is()) + SetChanged(); + } + + SetUnoControlModel(xModel); +} + +void SdrUnoObj::SetUnoControlModel( const uno::Reference< awt::XControlModel >& xModel) +{ + if (xUnoControlModel.is()) + { + uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY); + if (xComp.is()) + m_pImpl->pEventListener->StopListening(xComp); + } + + xUnoControlModel = xModel; + + // control model has to contain service name of the control + if (xUnoControlModel.is()) + { + uno::Reference< beans::XPropertySet > xSet(xUnoControlModel, uno::UNO_QUERY); + if (xSet.is()) + { + uno::Any aValue( xSet->getPropertyValue("DefaultControl") ); + OUString aStr; + if( aValue >>= aStr ) + aUnoControlTypeName = aStr; + } + + uno::Reference< lang::XComponent > xComp(xUnoControlModel, uno::UNO_QUERY); + if (xComp.is()) + m_pImpl->pEventListener->StartListening(xComp); + } + + // invalidate all ViewObject contacts + ViewContactOfUnoControl* pVC = nullptr; + if ( impl_getViewContact( pVC ) ) + { + // flushViewObjectContacts() removes all existing VOCs for the local DrawHierarchy. This + // is always allowed since they will be re-created on demand (and with the changed model) + GetViewContact().flushViewObjectContacts(); + } +} + + +uno::Reference< awt::XControl > SdrUnoObj::GetUnoControl(const SdrView& _rView, const OutputDevice& _rOut) const +{ + uno::Reference< awt::XControl > xControl; + + SdrPageView* pPageView = _rView.GetSdrPageView(); + OSL_ENSURE( pPageView && getSdrPageFromSdrObject() == pPageView->GetPage(), "SdrUnoObj::GetUnoControl: This object is not displayed in that particular view!" ); + if ( !pPageView || getSdrPageFromSdrObject() != pPageView->GetPage() ) + return nullptr; + + SdrPageWindow* pPageWindow = pPageView->FindPageWindow( _rOut ); + OSL_ENSURE( pPageWindow, "SdrUnoObj::GetUnoControl: did not find my SdrPageWindow!" ); + if ( !pPageWindow ) + return nullptr; + + ViewObjectContact& rViewObjectContact( GetViewContact().GetViewObjectContact( pPageWindow->GetObjectContact() ) ); + ViewObjectContactOfUnoControl* pUnoContact = dynamic_cast< ViewObjectContactOfUnoControl* >( &rViewObjectContact ); + OSL_ENSURE( pUnoContact, "SdrUnoObj::GetUnoControl: wrong contact type!" ); + if ( pUnoContact ) + xControl = pUnoContact->getControl(); + + return xControl; +} + + +uno::Reference< awt::XControl > SdrUnoObj::GetTemporaryControlForWindow( + const vcl::Window& _rWindow, uno::Reference< awt::XControlContainer >& _inout_ControlContainer ) const +{ + uno::Reference< awt::XControl > xControl; + + ViewContactOfUnoControl* pVC = nullptr; + if ( impl_getViewContact( pVC ) ) + xControl = pVC->getTemporaryControlForWindow( _rWindow, _inout_ControlContainer ); + + return xControl; +} + + +bool SdrUnoObj::impl_getViewContact( ViewContactOfUnoControl*& _out_rpContact ) const +{ + ViewContact& rViewContact( GetViewContact() ); + _out_rpContact = dynamic_cast< ViewContactOfUnoControl* >( &rViewContact ); + DBG_ASSERT( _out_rpContact, "SdrUnoObj::impl_getViewContact: could not find my ViewContact!" ); + return ( _out_rpContact != nullptr ); +} + + +std::unique_ptr<sdr::contact::ViewContact> SdrUnoObj::CreateObjectSpecificViewContact() +{ + return std::make_unique<sdr::contact::ViewContactOfUnoControl>( *this ); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |