Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

1 files changed, 467 insertions, 0 deletions

diff --git a/vcl/source/components/dtranscomp.cxx b/vcl/source/components/dtranscomp.cxx
new file mode 100644
index 0000000000..92554d3fb7
--- /dev/null
+++ b/vcl/source/components/dtranscomp.cxx
@@ -0,0 +1,467 @@
+/* -*- 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: */