469 lines
15 KiB
C++
469 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sal/config.h>
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#include <comphelper/lok.hxx>
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#include <comphelper/processfactory.hxx>
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#include <o3tl/test_info.hxx>
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#include <osl/mutex.hxx>
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#include <tools/debug.hxx>
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#include <vcl/svapp.hxx>
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#include <factory.hxx>
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#include <svdata.hxx>
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#include <salinst.hxx>
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#include <com/sun/star/lang/IllegalArgumentException.hpp>
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#include <com/sun/star/lang/XMultiServiceFactory.hpp>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/lang/XSingleServiceFactory.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <com/sun/star/datatransfer/XTransferable.hpp>
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#include <com/sun/star/datatransfer/clipboard/LokClipboard.hpp>
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#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
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#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
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#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
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#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
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#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
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#include <comphelper/compbase.hxx>
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#include <cppuhelper/supportsservice.hxx>
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using namespace com::sun::star;
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using namespace com::sun::star::uno;
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using namespace com::sun::star::lang;
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namespace vcl
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{
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namespace {
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// generic implementation to satisfy SalInstance
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class GenericClipboard :
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public comphelper::WeakComponentImplHelper<
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datatransfer::clipboard::XSystemClipboard,
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XServiceInfo
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>
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{
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Reference< css::datatransfer::XTransferable > m_aContents;
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Reference< css::datatransfer::clipboard::XClipboardOwner > m_aOwner;
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std::vector< Reference< css::datatransfer::clipboard::XClipboardListener > > m_aListeners;
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public:
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GenericClipboard()
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{}
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/*
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* XServiceInfo
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*/
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virtual OUString SAL_CALL getImplementationName() override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
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static Sequence< OUString > getSupportedServiceNames_static();
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/*
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* XClipboard
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*/
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virtual Reference< css::datatransfer::XTransferable > SAL_CALL getContents() override;
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virtual void SAL_CALL setContents(
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const Reference< css::datatransfer::XTransferable >& xTrans,
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const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) override;
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virtual OUString SAL_CALL getName() override;
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/*
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* XClipboardEx
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*/
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virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
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/*
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* XClipboardNotifier
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*/
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virtual void SAL_CALL addClipboardListener(
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const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
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virtual void SAL_CALL removeClipboardListener(
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const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
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};
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}
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Sequence< OUString > GenericClipboard::getSupportedServiceNames_static()
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{
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Sequence< OUString > aRet { u"com.sun.star.datatransfer.clipboard.SystemClipboard"_ustr };
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return aRet;
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}
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OUString GenericClipboard::getImplementationName()
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{
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return u"com.sun.star.datatransfer.VCLGenericClipboard"_ustr;
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}
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Sequence< OUString > GenericClipboard::getSupportedServiceNames()
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{
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return getSupportedServiceNames_static();
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}
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sal_Bool GenericClipboard::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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Reference< css::datatransfer::XTransferable > GenericClipboard::getContents()
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{
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std::unique_lock aGuard(m_aMutex);
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return m_aContents;
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}
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void GenericClipboard::setContents(
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const Reference< css::datatransfer::XTransferable >& xTrans,
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const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner )
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{
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std::unique_lock aGuard( m_aMutex );
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Reference< datatransfer::clipboard::XClipboardOwner > xOldOwner( m_aOwner );
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Reference< datatransfer::XTransferable > xOldContents( m_aContents );
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m_aContents = xTrans;
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m_aOwner = xClipboardOwner;
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std::vector< Reference< datatransfer::clipboard::XClipboardListener > > aListeners( m_aListeners );
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datatransfer::clipboard::ClipboardEvent aEv;
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aEv.Contents = m_aContents;
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aGuard.unlock();
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if( xOldOwner.is() && xOldOwner != xClipboardOwner )
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xOldOwner->lostOwnership( this, xOldContents );
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for (auto const& listener : aListeners)
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{
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listener->changedContents( aEv );
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}
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}
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OUString GenericClipboard::getName()
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{
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return u"CLIPBOARD"_ustr;
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}
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sal_Int8 GenericClipboard::getRenderingCapabilities()
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{
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return 0;
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}
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void GenericClipboard::addClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
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{
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std::unique_lock aGuard(m_aMutex);
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m_aListeners.push_back( listener );
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}
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void GenericClipboard::removeClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
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{
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std::unique_lock aGuard(m_aMutex);
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std::erase(m_aListeners, listener);
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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vcl_SystemClipboard_get_implementation(
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css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const& args)
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{
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SolarMutexGuard aGuard;
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auto xClipboard = ImplGetSVData()->mpDefInst->CreateClipboard( args );
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if (xClipboard.is())
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xClipboard->acquire();
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return xClipboard.get();
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}
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namespace {
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/*
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* generic DragSource dummy
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*/
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class GenericDragSource : public ::comphelper::WeakComponentImplHelper<
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datatransfer::dnd::XDragSource,
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XInitialization,
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css::lang::XServiceInfo
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>
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{
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css::uno::Reference<css::datatransfer::XTransferable> m_xTrans;
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public:
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GenericDragSource() {}
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// XDragSource
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virtual sal_Bool SAL_CALL isDragImageSupported() override;
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virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction ) override;
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virtual void SAL_CALL startDrag(
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const datatransfer::dnd::DragGestureEvent& trigger,
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sal_Int8 sourceActions, sal_Int32 cursor, sal_Int32 image,
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const Reference< datatransfer::XTransferable >& transferable,
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const Reference< datatransfer::dnd::XDragSourceListener >& listener
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) override;
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// XInitialization
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virtual void SAL_CALL initialize( const Sequence< Any >& arguments ) override;
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OUString SAL_CALL getImplementationName() override
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{ return u"com.sun.star.datatransfer.dnd.VclGenericDragSource"_ustr; }
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sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
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{ return cppu::supportsService(this, ServiceName); }
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css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
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{ return getSupportedServiceNames_static(); }
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static Sequence< OUString > getSupportedServiceNames_static()
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{
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return { u"com.sun.star.datatransfer.dnd.GenericDragSource"_ustr };
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}
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};
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}
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sal_Bool GenericDragSource::isDragImageSupported()
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{
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return false;
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}
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sal_Int32 GenericDragSource::getDefaultCursor( sal_Int8 )
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{
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return 0;
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}
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void GenericDragSource::startDrag( const datatransfer::dnd::DragGestureEvent&,
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sal_Int8 /*sourceActions*/, sal_Int32 /*cursor*/, sal_Int32 /*image*/,
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const Reference< datatransfer::XTransferable >& rTrans,
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const Reference< datatransfer::dnd::XDragSourceListener >& listener
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)
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{
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if (comphelper::LibreOfficeKit::isActive()) {
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m_xTrans = rTrans;
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return;
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}
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datatransfer::dnd::DragSourceDropEvent aEv;
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aEv.DropAction = datatransfer::dnd::DNDConstants::ACTION_COPY;
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aEv.DropSuccess = false;
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listener->dragDropEnd( aEv );
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}
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void GenericDragSource::initialize( const Sequence< Any >& )
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{
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}
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Sequence< OUString > DragSource_getSupportedServiceNames()
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{
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#if defined MACOSX
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return { "com.sun.star.datatransfer.dnd.OleDragSource" };
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#elif defined UNX
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return { u"com.sun.star.datatransfer.dnd.X11DragSource"_ustr };
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#else
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return { "com.sun.star.datatransfer.dnd.VclGenericDragSource" };
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#endif
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}
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OUString DragSource_getImplementationName()
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{
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#if defined MACOSX
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return "com.sun.star.comp.datatransfer.dnd.OleDragSource_V1";
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#elif defined UNX
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return u"com.sun.star.datatransfer.dnd.XdndSupport"_ustr;
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#else
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return "com.sun.star.datatransfer.dnd.VclGenericDragSource";
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#endif
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}
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Reference< XInterface > DragSource_createInstance( const Reference< XMultiServiceFactory >& )
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{
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SolarMutexGuard aGuard;
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Reference< XInterface > xResult = ImplGetSVData()->mpDefInst->CreateDragSource();
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return xResult;
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}
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/*
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* generic DragSource dummy
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*/
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namespace {
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class GenericDropTarget : public comphelper::WeakComponentImplHelper<
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datatransfer::dnd::XDropTarget,
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XInitialization,
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css::lang::XServiceInfo
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>
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{
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public:
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GenericDropTarget() {}
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// XInitialization
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virtual void SAL_CALL initialize( const Sequence< Any >& args ) override;
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// XDropTarget
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virtual void SAL_CALL addDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& ) override;
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virtual void SAL_CALL removeDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& ) override;
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virtual sal_Bool SAL_CALL isActive() override;
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virtual void SAL_CALL setActive( sal_Bool active ) override;
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virtual sal_Int8 SAL_CALL getDefaultActions() override;
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virtual void SAL_CALL setDefaultActions( sal_Int8 actions ) override;
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OUString SAL_CALL getImplementationName() override
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{ return u"com.sun.star.datatransfer.dnd.VclGenericDropTarget"_ustr; }
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sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
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{ return cppu::supportsService(this, ServiceName); }
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css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
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{ return getSupportedServiceNames_static(); }
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static Sequence< OUString > getSupportedServiceNames_static()
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{
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return { u"com.sun.star.datatransfer.dnd.GenericDropTarget"_ustr };
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}
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};
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}
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void GenericDropTarget::initialize( const Sequence< Any >& )
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{
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}
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void GenericDropTarget::addDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& )
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{
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}
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void GenericDropTarget::removeDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& )
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{
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}
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sal_Bool GenericDropTarget::isActive()
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{
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return false;
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}
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void GenericDropTarget::setActive( sal_Bool )
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{
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}
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sal_Int8 GenericDropTarget::getDefaultActions()
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{
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return 0;
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}
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void GenericDropTarget::setDefaultActions( sal_Int8)
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{
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}
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Sequence< OUString > DropTarget_getSupportedServiceNames()
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{
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#if defined MACOSX
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return { "com.sun.star.datatransfer.dnd.OleDropTarget" };
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#elif defined UNX
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return { u"com.sun.star.datatransfer.dnd.X11DropTarget"_ustr };
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#else
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return GenericDropTarget::getSupportedServiceNames_static();
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#endif
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}
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OUString DropTarget_getImplementationName()
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{
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return
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#if defined MACOSX
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"com.sun.star.comp.datatransfer.dnd.OleDropTarget_V1"
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#elif defined UNX
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u"com.sun.star.datatransfer.dnd.XdndDropTarget"_ustr
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#else
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"com.sun.star.datatransfer.dnd.VclGenericDropTarget"
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#endif
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;
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}
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Reference< XInterface > DropTarget_createInstance( const Reference< XMultiServiceFactory >& )
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{
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SolarMutexGuard aGuard;
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Reference< XInterface > xResult = ImplGetSVData()->mpDefInst->CreateDropTarget();
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return xResult;
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}
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} // namespace vcl
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/*
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* SalInstance generic
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*/
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Reference< XInterface > SalInstance::CreateClipboard( const Sequence< Any >& arguments )
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{
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if (arguments.hasElements()) {
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throw css::lang::IllegalArgumentException(
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u"non-empty SalInstance::CreateClipboard arguments"_ustr, {}, -1);
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}
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#ifdef IOS
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return getXWeak(new vcl::GenericClipboard());
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#else
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if (comphelper::LibreOfficeKit::isActive()) {
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// In LOK, each document view shall have its own clipboard instance (whereas
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// in non-LOK below we keep handing out one single instance; see also
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// <https://lists.freedesktop.org/archives/libreoffice/2020-April/084824.html> "Re: Linux
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// SAL_USE_VCLPLUGIN=svp and the clipboard"):
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css::uno::Reference<css::datatransfer::clipboard::XClipboard> xClipboard =
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css::datatransfer::clipboard::LokClipboard::create(
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comphelper::getProcessComponentContext());
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return xClipboard;
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}
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#endif
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DBG_TESTSOLARMUTEX();
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if (!m_clipboard.is()) {
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m_clipboard = getXWeak(new vcl::GenericClipboard());
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}
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return m_clipboard;
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}
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uno::Reference<uno::XInterface> SalInstance::ImplCreateDragSource(const SystemEnvData*)
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{
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return css::uno::Reference<css::uno::XInterface>();
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}
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Reference< XInterface > SalInstance::CreateDragSource(const SystemEnvData* pSysEnv)
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{
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// We run unit tests in parallel, which is a problem when touching a shared resource
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// the system clipboard, so rather use the dummy GenericClipboard.
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if (Application::IsHeadlessModeEnabled() || o3tl::IsRunningUnitTest() || o3tl::IsRunningUITest())
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return getXWeak(new vcl::GenericDragSource());
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return ImplCreateDragSource(pSysEnv);
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}
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uno::Reference<uno::XInterface> SalInstance::ImplCreateDropTarget(const SystemEnvData*)
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{
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return css::uno::Reference<css::uno::XInterface>();
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}
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Reference< XInterface > SalInstance::CreateDropTarget(const SystemEnvData* pSysEnv)
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{
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// see SalInstance::CreateDragSource
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if (Application::IsHeadlessModeEnabled() || o3tl::IsRunningUnitTest() || o3tl::IsRunningUITest())
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return getXWeak(new vcl::GenericDropTarget());
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return ImplCreateDropTarget(pSysEnv);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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