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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /vcl/source/components/dtranscomp.cxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/source/components/dtranscomp.cxx')
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1 files changed, 467 insertions, 0 deletions
diff --git a/vcl/source/components/dtranscomp.cxx b/vcl/source/components/dtranscomp.cxx
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+/* -*- 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 <sal/config.h>
+
+#include <comphelper/lok.hxx>
+#include <comphelper/processfactory.hxx>
+#include <osl/mutex.hxx>
+#include <tools/debug.hxx>
+#include <vcl/svapp.hxx>
+
+#include <factory.hxx>
+#include <svdata.hxx>
+#include <salinst.hxx>
+
+#include <com/sun/star/lang/IllegalArgumentException.hpp>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/lang/XSingleServiceFactory.hpp>
+#include <com/sun/star/lang/XInitialization.hpp>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/datatransfer/clipboard/LokClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
+#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
+#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
+#include <com/sun/star/datatransfer/dnd/XDropTarget.hpp>
+#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
+
+#include <comphelper/compbase.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+using namespace com::sun::star;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::lang;
+
+namespace vcl
+{
+namespace {
+
+// generic implementation to satisfy SalInstance
+class GenericClipboard :
+ public comphelper::WeakComponentImplHelper<
+ datatransfer::clipboard::XSystemClipboard,
+ XServiceInfo
+ >
+{
+ Reference< css::datatransfer::XTransferable > m_aContents;
+ Reference< css::datatransfer::clipboard::XClipboardOwner > m_aOwner;
+ std::vector< Reference< css::datatransfer::clipboard::XClipboardListener > > m_aListeners;
+
+public:
+
+ GenericClipboard()
+ {}
+
+ /*
+ * XServiceInfo
+ */
+
+ virtual OUString SAL_CALL getImplementationName() override;
+ virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
+ virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
+
+ static Sequence< OUString > getSupportedServiceNames_static();
+
+ /*
+ * XClipboard
+ */
+
+ virtual Reference< css::datatransfer::XTransferable > SAL_CALL getContents() override;
+
+ virtual void SAL_CALL setContents(
+ const Reference< css::datatransfer::XTransferable >& xTrans,
+ const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner ) override;
+
+ virtual OUString SAL_CALL getName() override;
+
+ /*
+ * XClipboardEx
+ */
+
+ virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
+
+ /*
+ * XClipboardNotifier
+ */
+ virtual void SAL_CALL addClipboardListener(
+ const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
+
+ virtual void SAL_CALL removeClipboardListener(
+ const Reference< css::datatransfer::clipboard::XClipboardListener >& listener ) override;
+};
+
+}
+
+Sequence< OUString > GenericClipboard::getSupportedServiceNames_static()
+{
+ Sequence< OUString > aRet { "com.sun.star.datatransfer.clipboard.SystemClipboard" };
+ return aRet;
+}
+
+OUString GenericClipboard::getImplementationName()
+{
+ return "com.sun.star.datatransfer.VCLGenericClipboard";
+}
+
+Sequence< OUString > GenericClipboard::getSupportedServiceNames()
+{
+ return getSupportedServiceNames_static();
+}
+
+sal_Bool GenericClipboard::supportsService( const OUString& ServiceName )
+{
+ return cppu::supportsService(this, ServiceName);
+}
+
+Reference< css::datatransfer::XTransferable > GenericClipboard::getContents()
+{
+ return m_aContents;
+}
+
+void GenericClipboard::setContents(
+ const Reference< css::datatransfer::XTransferable >& xTrans,
+ const Reference< css::datatransfer::clipboard::XClipboardOwner >& xClipboardOwner )
+{
+ std::unique_lock aGuard( m_aMutex );
+ Reference< datatransfer::clipboard::XClipboardOwner > xOldOwner( m_aOwner );
+ Reference< datatransfer::XTransferable > xOldContents( m_aContents );
+ m_aContents = xTrans;
+ m_aOwner = xClipboardOwner;
+
+ std::vector< Reference< datatransfer::clipboard::XClipboardListener > > aListeners( m_aListeners );
+ datatransfer::clipboard::ClipboardEvent aEv;
+ aEv.Contents = m_aContents;
+
+ aGuard.unlock();
+
+ if( xOldOwner.is() && xOldOwner != xClipboardOwner )
+ xOldOwner->lostOwnership( this, xOldContents );
+ for (auto const& listener : aListeners)
+ {
+ listener->changedContents( aEv );
+ }
+}
+
+OUString GenericClipboard::getName()
+{
+ return "CLIPBOARD";
+}
+
+sal_Int8 GenericClipboard::getRenderingCapabilities()
+{
+ return 0;
+}
+
+void GenericClipboard::addClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
+{
+ std::unique_lock aGuard(m_aMutex);
+
+ m_aListeners.push_back( listener );
+}
+
+void GenericClipboard::removeClipboardListener( const Reference< datatransfer::clipboard::XClipboardListener >& listener )
+{
+ std::unique_lock aGuard(m_aMutex);
+
+ std::erase(m_aListeners, listener);
+}
+
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+vcl_SystemClipboard_get_implementation(
+ css::uno::XComponentContext* , css::uno::Sequence<css::uno::Any> const& args)
+{
+ SolarMutexGuard aGuard;
+ auto xClipboard = ImplGetSVData()->mpDefInst->CreateClipboard( args );
+ if (xClipboard.is())
+ xClipboard->acquire();
+ return xClipboard.get();
+}
+
+namespace {
+
+/*
+* generic DragSource dummy
+*/
+class GenericDragSource : public ::comphelper::WeakComponentImplHelper<
+ datatransfer::dnd::XDragSource,
+ XInitialization,
+ css::lang::XServiceInfo
+ >
+{
+ css::uno::Reference<css::datatransfer::XTransferable> m_xTrans;
+public:
+ GenericDragSource() {}
+
+ // XDragSource
+ virtual sal_Bool SAL_CALL isDragImageSupported() override;
+ virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction ) override;
+ virtual void SAL_CALL startDrag(
+ const datatransfer::dnd::DragGestureEvent& trigger,
+ sal_Int8 sourceActions, sal_Int32 cursor, sal_Int32 image,
+ const Reference< datatransfer::XTransferable >& transferable,
+ const Reference< datatransfer::dnd::XDragSourceListener >& listener
+ ) override;
+
+ // XInitialization
+ virtual void SAL_CALL initialize( const Sequence< Any >& arguments ) override;
+
+ OUString SAL_CALL getImplementationName() override
+ { return "com.sun.star.datatransfer.dnd.VclGenericDragSource"; }
+
+ sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
+ { return cppu::supportsService(this, ServiceName); }
+
+ css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+ { return getSupportedServiceNames_static(); }
+
+ static Sequence< OUString > getSupportedServiceNames_static()
+ {
+ return { "com.sun.star.datatransfer.dnd.GenericDragSource" };
+ }
+};
+
+}
+
+sal_Bool GenericDragSource::isDragImageSupported()
+{
+ return false;
+}
+
+sal_Int32 GenericDragSource::getDefaultCursor( sal_Int8 )
+{
+ return 0;
+}
+
+void GenericDragSource::startDrag( const datatransfer::dnd::DragGestureEvent&,
+ sal_Int8 /*sourceActions*/, sal_Int32 /*cursor*/, sal_Int32 /*image*/,
+ const Reference< datatransfer::XTransferable >& rTrans,
+ const Reference< datatransfer::dnd::XDragSourceListener >& listener
+ )
+{
+ if (comphelper::LibreOfficeKit::isActive()) {
+ m_xTrans = rTrans;
+ return;
+ }
+
+ datatransfer::dnd::DragSourceDropEvent aEv;
+ aEv.DropAction = datatransfer::dnd::DNDConstants::ACTION_COPY;
+ aEv.DropSuccess = false;
+ listener->dragDropEnd( aEv );
+}
+
+void GenericDragSource::initialize( const Sequence< Any >& )
+{
+}
+
+Sequence< OUString > DragSource_getSupportedServiceNames()
+{
+#if defined MACOSX
+ return { "com.sun.star.datatransfer.dnd.OleDragSource" };
+#elif defined UNX
+ return { "com.sun.star.datatransfer.dnd.X11DragSource" };
+#else
+ return { "com.sun.star.datatransfer.dnd.VclGenericDragSource" };
+#endif
+}
+
+OUString DragSource_getImplementationName()
+{
+#if defined MACOSX
+ return "com.sun.star.comp.datatransfer.dnd.OleDragSource_V1";
+#elif defined UNX
+ return "com.sun.star.datatransfer.dnd.XdndSupport";
+#else
+ return "com.sun.star.datatransfer.dnd.VclGenericDragSource";
+#endif
+}
+
+Reference< XInterface > DragSource_createInstance( const Reference< XMultiServiceFactory >& )
+{
+ SolarMutexGuard aGuard;
+ Reference< XInterface > xResult = ImplGetSVData()->mpDefInst->CreateDragSource();
+ return xResult;
+}
+
+/*
+* generic DragSource dummy
+*/
+
+namespace {
+
+class GenericDropTarget : public comphelper::WeakComponentImplHelper<
+ datatransfer::dnd::XDropTarget,
+ XInitialization,
+ css::lang::XServiceInfo
+ >
+{
+public:
+ GenericDropTarget() {}
+
+ // XInitialization
+ virtual void SAL_CALL initialize( const Sequence< Any >& args ) override;
+
+ // XDropTarget
+ virtual void SAL_CALL addDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& ) override;
+ virtual void SAL_CALL removeDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& ) override;
+ virtual sal_Bool SAL_CALL isActive() override;
+ virtual void SAL_CALL setActive( sal_Bool active ) override;
+ virtual sal_Int8 SAL_CALL getDefaultActions() override;
+ virtual void SAL_CALL setDefaultActions( sal_Int8 actions ) override;
+
+ OUString SAL_CALL getImplementationName() override
+ { return "com.sun.star.datatransfer.dnd.VclGenericDropTarget"; }
+
+ sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override
+ { return cppu::supportsService(this, ServiceName); }
+
+ css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override
+ { return getSupportedServiceNames_static(); }
+
+ static Sequence< OUString > getSupportedServiceNames_static()
+ {
+ return { "com.sun.star.datatransfer.dnd.GenericDropTarget" };
+ }
+};
+
+}
+
+void GenericDropTarget::initialize( const Sequence< Any >& )
+{
+}
+
+void GenericDropTarget::addDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& )
+{
+}
+
+void GenericDropTarget::removeDropTargetListener( const Reference< css::datatransfer::dnd::XDropTargetListener >& )
+{
+}
+
+sal_Bool GenericDropTarget::isActive()
+{
+ return false;
+}
+
+void GenericDropTarget::setActive( sal_Bool )
+{
+}
+
+sal_Int8 GenericDropTarget::getDefaultActions()
+{
+ return 0;
+}
+
+void GenericDropTarget::setDefaultActions( sal_Int8)
+{
+}
+
+Sequence< OUString > DropTarget_getSupportedServiceNames()
+{
+#if defined MACOSX
+ return { "com.sun.star.datatransfer.dnd.OleDropTarget" };
+#elif defined UNX
+ return { "com.sun.star.datatransfer.dnd.X11DropTarget" };
+#else
+ return GenericDropTarget::getSupportedServiceNames_static();
+#endif
+}
+
+OUString DropTarget_getImplementationName()
+{
+ return
+ #if defined MACOSX
+ "com.sun.star.comp.datatransfer.dnd.OleDropTarget_V1"
+ #elif defined UNX
+ "com.sun.star.datatransfer.dnd.XdndDropTarget"
+ #else
+ "com.sun.star.datatransfer.dnd.VclGenericDropTarget"
+ #endif
+ ;
+}
+
+Reference< XInterface > DropTarget_createInstance( const Reference< XMultiServiceFactory >& )
+{
+ SolarMutexGuard aGuard;
+ Reference< XInterface > xResult = ImplGetSVData()->mpDefInst->CreateDropTarget();
+ return xResult;
+}
+
+} // namespace vcl
+
+/*
+* SalInstance generic
+*/
+Reference< XInterface > SalInstance::CreateClipboard( const Sequence< Any >& arguments )
+{
+ if (arguments.hasElements()) {
+ throw css::lang::IllegalArgumentException(
+ "non-empty SalInstance::CreateClipboard arguments", {}, -1);
+ }
+#ifdef IOS
+ return getXWeak(new vcl::GenericClipboard());
+#else
+ if (comphelper::LibreOfficeKit::isActive()) {
+ // In LOK, each document view shall have its own clipboard instance (whereas
+ // in non-LOK below we keep handing out one single instance; see also
+ // <https://lists.freedesktop.org/archives/libreoffice/2020-April/084824.html> "Re: Linux
+ // SAL_USE_VCLPLUGIN=svp and the clipboard"):
+ css::uno::Reference<css::datatransfer::clipboard::XClipboard> xClipboard =
+ css::datatransfer::clipboard::LokClipboard::create(
+ comphelper::getProcessComponentContext());
+ return xClipboard;
+ }
+#endif
+ DBG_TESTSOLARMUTEX();
+ if (!m_clipboard.is()) {
+ m_clipboard = getXWeak(new vcl::GenericClipboard());
+ }
+ return m_clipboard;
+}
+
+uno::Reference<uno::XInterface> SalInstance::ImplCreateDragSource(const SystemEnvData*)
+{
+ return css::uno::Reference<css::uno::XInterface>();
+}
+
+Reference< XInterface > SalInstance::CreateDragSource(const SystemEnvData* pSysEnv)
+{
+ // We run unit tests in parallel, which is a problem when touching a shared resource
+ // the system clipboard, so rather use the dummy GenericClipboard.
+ if (Application::IsHeadlessModeEnabled() || IsRunningUnitTest())
+ return getXWeak(new vcl::GenericDragSource());
+ return ImplCreateDragSource(pSysEnv);
+}
+
+uno::Reference<uno::XInterface> SalInstance::ImplCreateDropTarget(const SystemEnvData*)
+{
+ return css::uno::Reference<css::uno::XInterface>();
+}
+
+Reference< XInterface > SalInstance::CreateDropTarget(const SystemEnvData* pSysEnv)
+{
+ // see SalInstance::CreateDragSource
+ if (Application::IsHeadlessModeEnabled() || IsRunningUnitTest())
+ return getXWeak(new vcl::GenericDropTarget());
+ return ImplCreateDropTarget(pSysEnv);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */