Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 844 insertions, 0 deletions

diff --git a/forms/source/component/clickableimage.cxx b/forms/source/component/clickableimage.cxx
new file mode 100644
index 000000000..68861e42c
--- /dev/null
+++ b/forms/source/component/clickableimage.cxx
@@ -0,0 +1,844 @@
+/* -*- 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 "clickableimage.hxx"
+#include <controlfeatureinterception.hxx>
+#include <urltransformer.hxx>
+#include <componenttools.hxx>
+#include <com/sun/star/form/XSubmit.hpp>
+#include <com/sun/star/frame/XDispatch.hpp>
+#include <com/sun/star/frame/XDispatchProvider.hpp>
+#include <com/sun/star/frame/FrameSearchFlag.hpp>
+#include <com/sun/star/frame/XController.hpp>
+#include <com/sun/star/frame/XFrame.hpp>
+#include <com/sun/star/awt/ActionEvent.hpp>
+#include <com/sun/star/awt/XActionListener.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/graphic/GraphicObject.hpp>
+#include <com/sun/star/util/VetoException.hpp>
+#include <tools/urlobj.hxx>
+#include <tools/debug.hxx>
+#include <vcl/graph.hxx>
+#include <vcl/svapp.hxx>
+#include <sfx2/docfile.hxx>
+#include <sfx2/objsh.hxx>
+#include <osl/mutex.hxx>
+#include <property.hxx>
+#include <services.hxx>
+#include <comphelper/interfacecontainer2.hxx>
+#include <comphelper/property.hxx>
+#include <comphelper/types.hxx>
+#include <cppuhelper/exc_hlp.hxx>
+#include <svtools/imageresourceaccess.hxx>
+#define LOCAL_URL_PREFIX    '#'
+
+
+namespace frm
+{
+
+
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::sdb;
+    using namespace ::com::sun::star::sdbc;
+    using namespace ::com::sun::star::beans;
+    using namespace ::com::sun::star::container;
+    using namespace ::com::sun::star::form;
+    using namespace ::com::sun::star::awt;
+    using namespace ::com::sun::star::io;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::util;
+    using namespace ::com::sun::star::frame;
+    using namespace ::com::sun::star::form::submission;
+    using namespace ::com::sun::star::graphic;
+    using ::com::sun::star::awt::MouseEvent;
+    using ::com::sun::star::task::XInteractionHandler;
+
+
+    // OClickableImageBaseControl
+
+
+    Sequence<Type> OClickableImageBaseControl::_getTypes()
+    {
+        static Sequence<Type> const aTypes =
+            concatSequences(OControl::_getTypes(), OClickableImageBaseControl_BASE::getTypes());
+        return aTypes;
+    }
+
+
+    OClickableImageBaseControl::OClickableImageBaseControl(const Reference<XComponentContext>& _rxFactory, const OUString& _aService)
+        :OControl(_rxFactory, _aService)
+        ,m_aSubmissionVetoListeners( m_aMutex )
+        ,m_aApproveActionListeners( m_aMutex )
+        ,m_aActionListeners( m_aMutex )
+    {
+        m_pFeatureInterception.reset( new ControlFeatureInterception( _rxFactory ) );
+    }
+
+
+    OClickableImageBaseControl::~OClickableImageBaseControl()
+    {
+        if (!OComponentHelper::rBHelper.bDisposed)
+        {
+            acquire();
+            dispose();
+        }
+    }
+
+    // UNO Binding
+
+    Any SAL_CALL OClickableImageBaseControl::queryAggregation(const Type& _rType)
+    {
+        Any aReturn = OControl::queryAggregation(_rType);
+        if (!aReturn.hasValue())
+            aReturn = OClickableImageBaseControl_BASE::queryInterface(_rType);
+        return aReturn;
+    }
+
+    // XApproveActionBroadcaster
+
+    void OClickableImageBaseControl::addApproveActionListener(
+            const Reference<XApproveActionListener>& l)
+    {
+        m_aApproveActionListeners.addInterface(l);
+    }
+
+
+    void OClickableImageBaseControl::removeApproveActionListener(
+            const Reference<XApproveActionListener>& l)
+    {
+        m_aApproveActionListeners.removeInterface(l);
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::registerDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor )
+    {
+        m_pFeatureInterception->registerDispatchProviderInterceptor( _rxInterceptor  );
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::releaseDispatchProviderInterceptor( const Reference< XDispatchProviderInterceptor >& _rxInterceptor )
+    {
+        m_pFeatureInterception->releaseDispatchProviderInterceptor( _rxInterceptor  );
+    }
+
+    // OComponentHelper
+
+    void OClickableImageBaseControl::disposing()
+    {
+        EventObject aEvent( static_cast< XWeak* >( this ) );
+        m_aApproveActionListeners.disposeAndClear( aEvent );
+        m_aActionListeners.disposeAndClear( aEvent );
+        m_aSubmissionVetoListeners.disposeAndClear( aEvent );
+        m_pFeatureInterception->dispose();
+
+        {
+            ::osl::MutexGuard aGuard( m_aMutex );
+            m_pThread.clear();
+        }
+
+        OControl::disposing();
+    }
+
+
+    OImageProducerThread_Impl* OClickableImageBaseControl::getImageProducerThread()
+    {
+        if ( !m_pThread.is() )
+        {
+            m_pThread = new OImageProducerThread_Impl( this );
+            m_pThread->create();
+        }
+        return m_pThread.get();
+    }
+
+
+    bool OClickableImageBaseControl::approveAction( )
+    {
+        bool bCancelled = false;
+        EventObject aEvent( static_cast< XWeak* >( this ) );
+
+        ::comphelper::OInterfaceIteratorHelper2 aIter( m_aApproveActionListeners );
+        while( !bCancelled && aIter.hasMoreElements() )
+        {
+            // Every approveAction method must be thread-safe!
+            if( !static_cast< XApproveActionListener* >( aIter.next() )->approveAction( aEvent ) )
+                bCancelled = true;
+        }
+
+        return !bCancelled;
+    }
+
+
+    // This method is also called from a thread and thus must be thread-safe.
+    void OClickableImageBaseControl::actionPerformed_Impl(bool bNotifyListener, const MouseEvent& rEvt)
+    {
+        if( bNotifyListener )
+        {
+            if ( !approveAction() )
+                return;
+        }
+
+        // Whether the rest of the code is thread-safe, one can't tell. Therefore
+        // we do most of the work on a locked solar mutex.
+        Reference<XPropertySet>  xSet;
+        Reference< XInterface > xModelsParent;
+        FormButtonType eButtonType = FormButtonType_PUSH;
+        {
+            SolarMutexGuard aGuard;
+
+            // Get parent
+            Reference<XFormComponent>  xComp(getModel(), UNO_QUERY);
+            if (!xComp.is())
+                return;
+
+            xModelsParent = xComp->getParent();
+            if (!xModelsParent.is())
+                return;
+
+            // Which button type?
+            xSet.set(xComp, css::uno::UNO_QUERY);
+            if ( !xSet.is() )
+                return;
+            xSet->getPropertyValue(PROPERTY_BUTTONTYPE) >>= eButtonType;
+        }
+
+        switch (eButtonType)
+        {
+            case FormButtonType_RESET:
+            {
+                // Reset methods must be thread-safe!
+                Reference<XReset>  xReset(xModelsParent, UNO_QUERY);
+                if (!xReset.is())
+                    return;
+
+                xReset->reset();
+            }
+            break;
+
+            case FormButtonType_SUBMIT:
+            {
+                // if some outer component can provide an interaction handler, use it
+                Reference< XInteractionHandler > xHandler( m_pFeatureInterception->queryDispatch( "private:/InteractionHandler" ), UNO_QUERY );
+                try
+                {
+                    implSubmit( rEvt, xHandler );
+                }
+                catch( const Exception& )
+                {
+                    // ignore
+                }
+            }
+            break;
+
+            case FormButtonType_URL:
+            {
+                SolarMutexGuard aGuard;
+
+                Reference< XModel >  xModel = getXModel(xModelsParent);
+                if (!xModel.is())
+                    return;
+
+
+                // Execute URL now
+                Reference< XController >  xController = xModel->getCurrentController();
+                if (!xController.is())
+                    return;
+
+                Reference< XFrame >  xFrame = xController->getFrame();
+                if( !xFrame.is() )
+                    return;
+
+                URL aURL;
+                aURL.Complete =
+                    getString(xSet->getPropertyValue(PROPERTY_TARGET_URL));
+
+                if (!aURL.Complete.isEmpty() && (LOCAL_URL_PREFIX == aURL.Complete[0]))
+                {   // FIXME: The URL contains a local URL only. Since the URLTransformer does not handle this case correctly
+                    // (it can't: it does not know the document URL), we have to take care for this ourself.
+                    // The real solution would be to not allow such relative URLs (there is a rule that at runtime, all
+                    // URLs have to be absolute), but for compatibility reasons this is no option.
+                    // The more as the user does not want to see a local URL as "file://<path>/<document>#mark" if it
+                    // could be "#mark" as well.
+                    // If we someday say that this hack (yes, it's kind of a hack) is not sustainable anymore, the complete
+                    // solution would be:
+                    // * recognize URLs consisting of a mark only while _reading_ the document
+                    // * for this, allow the INetURLObject (which at the moment is invoked when reading URLs) to
+                    //   transform such mark-only URLs into correct absolute URLs
+                    // * at the UI, show only the mark
+                    // * !!! recognize every SAVEAS on the document, so the absolute URL can be adjusted. This seems
+                    // rather impossible !!!
+                    aURL.Mark = aURL.Complete;
+                    aURL.Complete = xModel->getURL();
+                    aURL.Complete += aURL.Mark;
+                }
+
+                bool bDispatchUrlInternal = false;
+                xSet->getPropertyValue(PROPERTY_DISPATCHURLINTERNAL) >>= bDispatchUrlInternal;
+                if ( bDispatchUrlInternal )
+                {
+                    m_pFeatureInterception->getTransformer().parseSmartWithAsciiProtocol( aURL, INET_FILE_SCHEME );
+
+                    OUString aTargetFrame;
+                    xSet->getPropertyValue(PROPERTY_TARGET_FRAME) >>= aTargetFrame;
+
+                    Reference< XDispatch >  xDisp = Reference< XDispatchProvider > (xFrame,UNO_QUERY_THROW)->queryDispatch( aURL, aTargetFrame,
+                            FrameSearchFlag::SELF | FrameSearchFlag::PARENT |
+                            FrameSearchFlag::SIBLINGS | FrameSearchFlag::CREATE );
+
+                    Sequence<PropertyValue> aArgs(1);
+                    PropertyValue& rProp = aArgs.getArray()[0];
+                    rProp.Name = "Referer";
+                    rProp.Value <<= xModel->getURL();
+
+                    if (xDisp.is())
+                        xDisp->dispatch( aURL, aArgs );
+                }
+                else
+                {
+                    URL aHyperLink = m_pFeatureInterception->getTransformer().getStrictURLFromAscii( ".uno:OpenHyperlink" );
+
+                    Reference< XDispatch >  xDisp = Reference< XDispatchProvider > (xFrame,UNO_QUERY_THROW)->queryDispatch(aHyperLink, OUString() , 0);
+
+                    if ( xDisp.is() )
+                    {
+                        Sequence<PropertyValue> aProps(3);
+                        aProps[0].Name  = "URL";
+                        aProps[0].Value <<= aURL.Complete;
+
+                        aProps[1].Name  = "FrameName";
+                        aProps[1].Value = xSet->getPropertyValue(PROPERTY_TARGET_FRAME);
+
+                        aProps[2].Name  = "Referer";
+                        aProps[2].Value <<= xModel->getURL();
+
+                        xDisp->dispatch( aHyperLink, aProps );
+                    }
+                }
+            }   break;
+            default:
+            {
+                // notify the action listeners for a push button
+                ActionEvent aEvt(static_cast<XWeak*>(this), m_aActionCommand);
+                m_aActionListeners.notifyEach( &XActionListener::actionPerformed, aEvt );
+            }
+        }
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::addSubmissionVetoListener( const Reference< submission::XSubmissionVetoListener >& listener )
+    {
+        m_aSubmissionVetoListeners.addInterface( listener );
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::removeSubmissionVetoListener( const Reference< submission::XSubmissionVetoListener >& listener )
+    {
+        m_aSubmissionVetoListeners.removeInterface( listener );
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::submitWithInteraction( const Reference< XInteractionHandler >& _rxHandler )
+    {
+        implSubmit( MouseEvent(), _rxHandler );
+    }
+
+
+    void SAL_CALL OClickableImageBaseControl::submit(  )
+    {
+        implSubmit( MouseEvent(), nullptr );
+    }
+
+
+    Sequence< OUString > SAL_CALL OClickableImageBaseControl::getSupportedServiceNames(  )
+    {
+        Sequence< OUString > aSupported = OControl::getSupportedServiceNames();
+        aSupported.realloc( aSupported.getLength() + 1 );
+
+        OUString* pArray = aSupported.getArray();
+        pArray[ aSupported.getLength() - 1 ] = FRM_SUN_CONTROL_SUBMITBUTTON;
+
+        return aSupported;
+    }
+
+
+    void OClickableImageBaseControl::implSubmit( const MouseEvent& _rEvent, const Reference< XInteractionHandler >& _rxHandler )
+    {
+        try
+        {
+            // allow the veto listeners to join the game
+            m_aSubmissionVetoListeners.notifyEach( &XSubmissionVetoListener::submitting, EventObject( *this ) );
+
+            // see whether there's an "submit interceptor" set at our model
+            Reference< submission::XSubmissionSupplier > xSubmissionSupp( getModel(), UNO_QUERY );
+            Reference< XSubmission > xSubmission;
+            if ( xSubmissionSupp.is() )
+                xSubmission = xSubmissionSupp->getSubmission();
+
+            if ( xSubmission.is() )
+            {
+                if ( !_rxHandler.is() )
+                    xSubmission->submit();
+                else
+                    xSubmission->submitWithInteraction( _rxHandler );
+            }
+            else
+            {
+                // no "interceptor" -> ordinary (old-way) submission
+                Reference< XChild > xChild( getModel(), UNO_QUERY );
+                Reference< XSubmit > xParentSubmission;
+                if ( xChild.is() )
+                    xParentSubmission.set(xChild->getParent(), css::uno::UNO_QUERY);
+                if ( xParentSubmission.is() )
+                    xParentSubmission->submit( this, _rEvent );
+            }
+        }
+        catch( const VetoException& )
+        {
+            // allowed to leave
+            throw;
+        }
+        catch( const RuntimeException& )
+        {
+            // allowed to leave
+            throw;
+        }
+        catch( const WrappedTargetException& )
+        {
+            // allowed to leave
+            throw;
+        }
+        catch( const Exception& )
+        {
+            css::uno::Any anyEx = cppu::getCaughtException();
+            OSL_FAIL( "OClickableImageBaseControl::implSubmit: caught an unknown exception!" );
+            throw WrappedTargetException( OUString(), *this, anyEx );
+        }
+    }
+
+
+    // OClickableImageBaseModel
+
+
+    Sequence<Type> OClickableImageBaseModel::_getTypes()
+    {
+        return concatSequences(
+            OControlModel::_getTypes(),
+            OClickableImageBaseModel_Base::getTypes()
+        );
+    }
+
+
+    OClickableImageBaseModel::OClickableImageBaseModel( const Reference< XComponentContext >& _rxFactory, const OUString& _rUnoControlModelTypeName,
+            const OUString& rDefault )
+        :OControlModel( _rxFactory, _rUnoControlModelTypeName, rDefault )
+        ,OPropertyChangeListener(m_aMutex)
+        ,m_xGraphicObject()
+        ,m_bDispatchUrlInternal(false)
+        ,m_bProdStarted(false)
+    {
+        implConstruct();
+        m_eButtonType = FormButtonType_PUSH;
+    }
+
+
+    OClickableImageBaseModel::OClickableImageBaseModel( const OClickableImageBaseModel* _pOriginal, const Reference<XComponentContext>& _rxFactory )
+        :OControlModel( _pOriginal, _rxFactory )
+        ,OPropertyChangeListener( m_aMutex )
+        ,m_xGraphicObject( _pOriginal->m_xGraphicObject )
+        ,m_bDispatchUrlInternal(false)
+        ,m_bProdStarted( false )
+    {
+        implConstruct();
+
+        // copy properties
+        m_eButtonType           = _pOriginal->m_eButtonType;
+        m_sTargetURL            = _pOriginal->m_sTargetURL;
+        m_sTargetFrame          = _pOriginal->m_sTargetFrame;
+        m_bDispatchUrlInternal  = _pOriginal->m_bDispatchUrlInternal;
+    }
+
+
+    void OClickableImageBaseModel::implInitializeImageURL( )
+    {
+        osl_atomic_increment( &m_refCount );
+        {
+            // simulate a propertyChanged event for the ImageURL
+            Any aImageURL;
+            getFastPropertyValue( aImageURL, PROPERTY_ID_IMAGE_URL );
+            _propertyChanged( PropertyChangeEvent( *this, PROPERTY_IMAGE_URL, false, PROPERTY_ID_IMAGE_URL, Any( ), aImageURL ) );
+        }
+        osl_atomic_decrement( &m_refCount );
+    }
+
+
+    void OClickableImageBaseModel::implConstruct()
+    {
+        m_xProducer = new ImageProducer;
+        m_xProducer->SetDoneHdl( LINK( this, OClickableImageBaseModel, OnImageImportDone ) );
+        osl_atomic_increment( &m_refCount );
+        {
+            if ( m_xAggregateSet.is() )
+            {
+                OPropertyChangeMultiplexer* pMultiplexer = new OPropertyChangeMultiplexer( this, m_xAggregateSet );
+                pMultiplexer->addProperty( PROPERTY_IMAGE_URL );
+            }
+        }
+        osl_atomic_decrement(&m_refCount);
+    }
+
+
+    OClickableImageBaseModel::~OClickableImageBaseModel()
+    {
+        if (!OComponentHelper::rBHelper.bDisposed)
+        {
+            acquire();
+            dispose();
+        }
+        DBG_ASSERT(m_pMedium == nullptr, "OClickableImageBaseModel::~OClickableImageBaseModel : leaving a memory leak ...");
+        // This should be cleaned up at least in the dispose
+
+    }
+
+    // XImageProducer
+
+    void SAL_CALL OClickableImageBaseModel::addConsumer( const Reference< XImageConsumer >& _rxConsumer )
+    {
+        ImageModelMethodGuard aGuard( *this );
+        GetImageProducer()->addConsumer( _rxConsumer );
+    }
+
+
+    void SAL_CALL OClickableImageBaseModel::removeConsumer( const Reference< XImageConsumer >& _rxConsumer )
+    {
+        ImageModelMethodGuard aGuard( *this );
+        GetImageProducer()->removeConsumer( _rxConsumer );
+    }
+
+
+    void SAL_CALL OClickableImageBaseModel::startProduction(  )
+    {
+        ImageModelMethodGuard aGuard( *this );
+        GetImageProducer()->startProduction();
+    }
+
+
+    Reference< submission::XSubmission > SAL_CALL OClickableImageBaseModel::getSubmission()
+    {
+        return m_xSubmissionDelegate;
+    }
+
+
+    void SAL_CALL OClickableImageBaseModel::setSubmission( const Reference< submission::XSubmission >& _submission )
+    {
+        m_xSubmissionDelegate = _submission;
+    }
+
+
+    Sequence< OUString > SAL_CALL OClickableImageBaseModel::getSupportedServiceNames(  )
+    {
+        Sequence< OUString > aSupported = OControlModel::getSupportedServiceNames();
+        aSupported.realloc( aSupported.getLength() + 1 );
+
+        OUString* pArray = aSupported.getArray();
+        pArray[ aSupported.getLength() - 1 ] = FRM_SUN_COMPONENT_SUBMITBUTTON;
+
+        return aSupported;
+    }
+
+    // OComponentHelper
+
+    void OClickableImageBaseModel::disposing()
+    {
+        OControlModel::disposing();
+        m_pMedium.reset();
+        m_xProducer.clear();
+    }
+
+
+    Any SAL_CALL OClickableImageBaseModel::queryAggregation(const Type& _rType)
+    {
+        // order matters:
+        // we definitely want to "override" the XImageProducer interface of our aggregate,
+        // thus check OClickableImageBaseModel_Base (which provides this) first
+        Any aReturn = OClickableImageBaseModel_Base::queryInterface( _rType );
+
+        // BUT: _don't_ let it feel responsible for the XTypeProvider interface
+        // (as this is implemented by our base class in the proper way)
+        if  (   _rType.equals( cppu::UnoType<XTypeProvider>::get() )
+            ||  !aReturn.hasValue()
+            )
+            aReturn = OControlModel::queryAggregation( _rType );
+
+        return aReturn;
+    }
+
+
+    void OClickableImageBaseModel::getFastPropertyValue(Any& rValue, sal_Int32 nHandle) const
+    {
+        switch (nHandle)
+        {
+            case PROPERTY_ID_BUTTONTYPE             : rValue <<= m_eButtonType; break;
+            case PROPERTY_ID_TARGET_URL             : rValue <<= m_sTargetURL; break;
+            case PROPERTY_ID_TARGET_FRAME           : rValue <<= m_sTargetFrame; break;
+            case PROPERTY_ID_DISPATCHURLINTERNAL    : rValue <<= m_bDispatchUrlInternal; break;
+            default:
+                OControlModel::getFastPropertyValue(rValue, nHandle);
+        }
+    }
+
+
+    void OClickableImageBaseModel::setFastPropertyValue_NoBroadcast(sal_Int32 nHandle, const Any& rValue)
+    {
+        switch (nHandle)
+        {
+            case PROPERTY_ID_BUTTONTYPE :
+                DBG_ASSERT(rValue.has<FormButtonType>(), "OClickableImageBaseModel::setFastPropertyValue_NoBroadcast : invalid type !" );
+                rValue >>= m_eButtonType;
+                break;
+
+            case PROPERTY_ID_TARGET_URL :
+                DBG_ASSERT(rValue.getValueType().getTypeClass() == TypeClass_STRING, "OClickableImageBaseModel::setFastPropertyValue_NoBroadcast : invalid type !" );
+                rValue >>= m_sTargetURL;
+                break;
+
+            case PROPERTY_ID_TARGET_FRAME :
+                DBG_ASSERT(rValue.getValueType().getTypeClass() == TypeClass_STRING, "OClickableImageBaseModel::setFastPropertyValue_NoBroadcast : invalid type !" );
+                rValue >>= m_sTargetFrame;
+                break;
+
+            case PROPERTY_ID_DISPATCHURLINTERNAL:
+                DBG_ASSERT(rValue.getValueType().getTypeClass() == TypeClass_BOOLEAN, "OClickableImageBaseModel::setFastPropertyValue_NoBroadcast : invalid type !" );
+                rValue >>= m_bDispatchUrlInternal;
+                break;
+
+            default:
+                OControlModel::setFastPropertyValue_NoBroadcast(nHandle, rValue);
+        }
+    }
+
+
+    sal_Bool OClickableImageBaseModel::convertFastPropertyValue(Any& rConvertedValue, Any& rOldValue, sal_Int32 nHandle, const Any& rValue)
+    {
+        switch (nHandle)
+        {
+            case PROPERTY_ID_BUTTONTYPE :
+                return tryPropertyValueEnum( rConvertedValue, rOldValue, rValue, m_eButtonType );
+
+            case PROPERTY_ID_TARGET_URL :
+                return tryPropertyValue(rConvertedValue, rOldValue, rValue, m_sTargetURL);
+
+            case PROPERTY_ID_TARGET_FRAME :
+                return tryPropertyValue(rConvertedValue, rOldValue, rValue, m_sTargetFrame);
+
+            case PROPERTY_ID_DISPATCHURLINTERNAL :
+                return tryPropertyValue(rConvertedValue, rOldValue, rValue, m_bDispatchUrlInternal);
+
+            default:
+                return OControlModel::convertFastPropertyValue(rConvertedValue, rOldValue, nHandle, rValue);
+        }
+    }
+
+
+    void OClickableImageBaseModel::StartProduction()
+    {
+        ImageProducer *pImgProd = GetImageProducer();
+        // grab the ImageURL
+        OUString sURL;
+        getPropertyValue("ImageURL") >>= sURL;
+        if (!m_pMedium)
+        {
+            if ( ::svt::GraphicAccess::isSupportedURL( sURL )  )
+                pImgProd->SetImage( sURL );
+            else
+                // caution: the medium may be NULL if somebody gave us an invalid URL to work with
+                pImgProd->SetImage(OUString());
+            return;
+        }
+        if (m_pMedium->GetErrorCode()==ERRCODE_NONE)
+        {
+            SvStream* pStream = m_pMedium->GetInStream();
+
+            pImgProd->SetImage(*pStream);
+            pImgProd->startProduction();
+            m_bProdStarted = true;
+        }
+        else
+        {
+            pImgProd->SetImage(OUString());
+            m_pMedium.reset();
+        }
+    }
+
+    SfxObjectShell* OClickableImageBaseModel::GetObjectShell()
+    {
+        // Find the XModel to get to the Object shell or at least the
+        // Referer.
+        // There's only a Model if we load HTML documents and the URL is
+        // changed in a document that is already loaded. There's no way
+        // we can get to the Model during loading.
+        Reference< XModel >  xModel;
+        css::uno::Reference<css::uno::XInterface>  xIfc( *this );
+        while( !xModel.is() && xIfc.is() )
+        {
+            Reference<XChild>  xChild( xIfc, UNO_QUERY );
+            xIfc = xChild->getParent();
+            xModel.set(xIfc, css::uno::UNO_QUERY);
+        }
+
+        // Search for the Object shell by iterating over all Object shells
+        // and comparing their XModel to ours.
+        // As an optimization, we try the current Object shell first.
+        SfxObjectShell *pObjSh = nullptr;
+
+        if( xModel.is() )
+        {
+            SfxObjectShell *pTestObjSh = SfxObjectShell::Current();
+            if( pTestObjSh )
+            {
+                Reference< XModel >  xTestModel = pTestObjSh->GetModel();
+                if( xTestModel == xModel )
+                    pObjSh = pTestObjSh;
+            }
+            if( !pObjSh )
+            {
+                pTestObjSh = SfxObjectShell::GetFirst();
+                while( !pObjSh && pTestObjSh )
+                {
+                    Reference< XModel > xTestModel = pTestObjSh->GetModel();
+                    if( xTestModel == xModel )
+                        pObjSh = pTestObjSh;
+                    else
+                        pTestObjSh = SfxObjectShell::GetNext( *pTestObjSh );
+                }
+            }
+        }
+
+        return pObjSh;
+    }
+
+    void OClickableImageBaseModel::SetURL( const OUString& rURL )
+    {
+        if (m_pMedium || rURL.isEmpty())
+        {
+            // Free the stream at the Producer, before the medium is deleted
+            GetImageProducer()->SetImage(OUString());
+            m_pMedium.reset();
+        }
+
+        // the SfxMedium is not allowed to be created with an invalid URL, so we have to check this first
+        INetURLObject aUrl(rURL);
+        if (INetProtocol::NotValid == aUrl.GetProtocol())
+            // we treat an invalid URL like we would treat no URL
+            return;
+
+        if (!rURL.isEmpty() && !::svt::GraphicAccess::isSupportedURL( rURL ) )
+        {
+            m_pMedium.reset(new SfxMedium(rURL, StreamMode::STD_READ));
+
+            SfxObjectShell *pObjSh = GetObjectShell();
+
+            if( pObjSh )
+            {
+                // Transfer target frame, so that javascript: URLs
+                // can also be "loaded"
+                const SfxMedium *pShMedium = pObjSh->GetMedium();
+                if( pShMedium )
+                    m_pMedium->SetLoadTargetFrame(pShMedium->GetLoadTargetFrame());
+            }
+
+            m_bProdStarted = false;
+
+            // Kick off download (caution: can be synchronous).
+            m_pMedium->Download(LINK(this, OClickableImageBaseModel, DownloadDoneLink));
+        }
+        else
+        {
+            if ( ::svt::GraphicAccess::isSupportedURL( rURL )  )
+                GetImageProducer()->SetImage( rURL );
+            GetImageProducer()->startProduction();
+        }
+    }
+
+
+    void OClickableImageBaseModel::DataAvailable()
+    {
+        if (!m_bProdStarted)
+            StartProduction();
+
+        GetImageProducer()->NewDataAvailable();
+    }
+
+
+    IMPL_LINK_NOARG( OClickableImageBaseModel, DownloadDoneLink, void*, void )
+    {
+        ::osl::MutexGuard aGuard( m_aMutex );
+        DataAvailable();
+    }
+
+
+    void OClickableImageBaseModel::_propertyChanged( const PropertyChangeEvent& rEvt )
+    {
+        // If a URL was set, it needs to be passed onto the ImageProducer.
+        ::osl::MutexGuard aGuard(m_aMutex);
+        SetURL( getString(rEvt.NewValue) );
+    }
+
+
+    Any OClickableImageBaseModel::getPropertyDefaultByHandle( sal_Int32 nHandle ) const
+    {
+        switch (nHandle)
+        {
+            case PROPERTY_ID_BUTTONTYPE             : return makeAny( FormButtonType_PUSH );
+            case PROPERTY_ID_TARGET_URL             :
+            case PROPERTY_ID_TARGET_FRAME           : return makeAny( OUString() );
+            case PROPERTY_ID_DISPATCHURLINTERNAL    : return makeAny( false );
+            default:
+                return OControlModel::getPropertyDefaultByHandle(nHandle);
+        }
+    }
+
+    IMPL_LINK( OClickableImageBaseModel, OnImageImportDone, Graphic*, i_pGraphic, void )
+    {
+        const Reference< XGraphic > xGraphic( i_pGraphic != nullptr ? Graphic(i_pGraphic->GetBitmapEx()).GetXGraphic() : nullptr );
+        if ( !xGraphic.is() )
+        {
+            m_xGraphicObject.clear();
+        }
+        else
+        {
+            m_xGraphicObject = css::graphic::GraphicObject::create( m_xContext );
+            m_xGraphicObject->setGraphic( xGraphic );
+        }
+    }
+
+
+    // OImageProducerThread_Impl
+
+    void OImageProducerThread_Impl::processEvent( ::cppu::OComponentHelper *pCompImpl,
+                                                const EventObject* pEvt,
+                                                const Reference<XControl>&,
+                                                bool )
+    {
+        static_cast<OClickableImageBaseControl *>(pCompImpl)->actionPerformed_Impl( true, *static_cast<const MouseEvent *>(pEvt) );
+    }
+
+
+}   // namespace frm
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */