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, 231 insertions, 0 deletions

diff --git a/vcl/unx/generic/dtrans/X11_clipboard.cxx b/vcl/unx/generic/dtrans/X11_clipboard.cxx
new file mode 100644
index 000000000..17104ca75
--- /dev/null
+++ b/vcl/unx/generic/dtrans/X11_clipboard.cxx
@@ -0,0 +1,231 @@
+/* -*- 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 <X11/Xatom.h>
+#include "X11_clipboard.hxx"
+#include "X11_transferable.hxx"
+#include <com/sun/star/datatransfer/clipboard/RenderingCapabilities.hpp>
+#include <cppuhelper/supportsservice.hxx>
+#include <rtl/ref.hxx>
+#include <sal/log.hxx>
+
+#if OSL_DEBUG_LEVEL > 1
+#include <stdio.h>
+#endif
+
+using namespace com::sun::star::datatransfer;
+using namespace com::sun::star::datatransfer::clipboard;
+using namespace com::sun::star::lang;
+using namespace com::sun::star::uno;
+using namespace com::sun::star::awt;
+using namespace cppu;
+using namespace osl;
+using namespace x11;
+
+X11Clipboard::X11Clipboard( SelectionManager& rManager, Atom aSelection ) :
+        ::cppu::WeakComponentImplHelper<
+    css::datatransfer::clipboard::XSystemClipboard,
+    css::lang::XServiceInfo
+    >( rManager.getMutex() ),
+
+        m_xSelectionManager( &rManager ),
+        m_aSelection( aSelection )
+{
+#if OSL_DEBUG_LEVEL > 1
+    SAL_INFO("vcl.unx.dtrans", "creating instance of X11Clipboard (this="
+            << this << ").");
+#endif
+}
+
+css::uno::Reference<css::datatransfer::clipboard::XClipboard>
+X11Clipboard::create( SelectionManager& rManager, Atom aSelection )
+{
+    rtl::Reference<X11Clipboard> cb(new X11Clipboard(rManager, aSelection));
+    if( aSelection != None )
+    {
+        rManager.registerHandler(aSelection, *cb);
+    }
+    else
+    {
+        rManager.registerHandler(XA_PRIMARY, *cb);
+        rManager.registerHandler(rManager.getAtom("CLIPBOARD"), *cb);
+    }
+    return cb.get();
+}
+
+X11Clipboard::~X11Clipboard()
+{
+    MutexGuard aGuard( *Mutex::getGlobalMutex() );
+
+#if OSL_DEBUG_LEVEL > 1
+    SAL_INFO("vcl.unx.dtrans", "shutting down instance of X11Clipboard (this="
+            << this
+            << ", Selection=\""
+            << m_xSelectionManager->getString( m_aSelection )
+            << "\").");
+#endif
+
+    if( m_aSelection != None )
+        m_xSelectionManager->deregisterHandler( m_aSelection );
+    else
+    {
+        m_xSelectionManager->deregisterHandler( XA_PRIMARY );
+        m_xSelectionManager->deregisterHandler( m_xSelectionManager->getAtom( "CLIPBOARD" ) );
+    }
+}
+
+void X11Clipboard::fireChangedContentsEvent()
+{
+    ClearableMutexGuard aGuard( m_xSelectionManager->getMutex() );
+#if OSL_DEBUG_LEVEL > 1
+    SAL_INFO("vcl.unx.dtrans", "X11Clipboard::fireChangedContentsEvent for "
+            << m_xSelectionManager->getString( m_aSelection )
+            << " (" << m_aListeners.size() << " listeners).");
+#endif
+    ::std::vector< Reference< XClipboardListener > > listeners( m_aListeners );
+    aGuard.clear();
+
+    ClipboardEvent aEvent( static_cast<OWeakObject*>(this), m_aContents);
+    for (auto const& listener : listeners)
+    {
+        if( listener.is() )
+            listener->changedContents(aEvent);
+    }
+}
+
+void X11Clipboard::clearContents()
+{
+    ClearableMutexGuard aGuard(m_xSelectionManager->getMutex());
+    // protect against deletion during outside call
+    Reference< XClipboard > xThis( static_cast<XClipboard*>(this));
+    // copy member references on stack so they can be called
+    // without having the mutex
+    Reference< XClipboardOwner > xOwner( m_aOwner );
+    Reference< XTransferable > xKeepAlive( m_aContents );
+    // clear members
+    m_aOwner.clear();
+    m_aContents.clear();
+
+    // release the mutex
+    aGuard.clear();
+
+    // inform previous owner of lost ownership
+    if ( xOwner.is() )
+        xOwner->lostOwnership(xThis, m_aContents);
+}
+
+Reference< XTransferable > SAL_CALL X11Clipboard::getContents()
+{
+    MutexGuard aGuard(m_xSelectionManager->getMutex());
+
+    if( ! m_aContents.is() )
+        m_aContents = new X11Transferable( SelectionManager::get(), m_aSelection );
+    return m_aContents;
+}
+
+void SAL_CALL X11Clipboard::setContents(
+    const Reference< XTransferable >& xTrans,
+    const Reference< XClipboardOwner >& xClipboardOwner )
+{
+    // remember old values for callbacks before setting the new ones.
+    ClearableMutexGuard aGuard(m_xSelectionManager->getMutex());
+
+    Reference< XClipboardOwner > oldOwner( m_aOwner );
+    m_aOwner = xClipboardOwner;
+
+    Reference< XTransferable > oldContents( m_aContents );
+    m_aContents = xTrans;
+
+    aGuard.clear();
+
+    // for now request ownership for both selections
+    if( m_aSelection != None )
+        m_xSelectionManager->requestOwnership( m_aSelection );
+    else
+    {
+        m_xSelectionManager->requestOwnership( XA_PRIMARY );
+        m_xSelectionManager->requestOwnership( m_xSelectionManager->getAtom( "CLIPBOARD" ) );
+    }
+
+    // notify old owner on loss of ownership
+    if( oldOwner.is() )
+        oldOwner->lostOwnership(static_cast < XClipboard * > (this), oldContents);
+
+    // notify all listeners on content changes
+    fireChangedContentsEvent();
+}
+
+OUString SAL_CALL X11Clipboard::getName()
+{
+    return m_xSelectionManager->getString( m_aSelection );
+}
+
+sal_Int8 SAL_CALL X11Clipboard::getRenderingCapabilities()
+{
+    return RenderingCapabilities::Delayed;
+}
+
+void SAL_CALL X11Clipboard::addClipboardListener( const Reference< XClipboardListener >& listener )
+{
+    MutexGuard aGuard( m_xSelectionManager->getMutex() );
+    m_aListeners.push_back( listener );
+}
+
+void SAL_CALL X11Clipboard::removeClipboardListener( const Reference< XClipboardListener >& listener )
+{
+    MutexGuard aGuard( m_xSelectionManager->getMutex() );
+    m_aListeners.erase( std::remove(m_aListeners.begin(), m_aListeners.end(), listener), m_aListeners.end() );
+}
+
+Reference< XTransferable > X11Clipboard::getTransferable()
+{
+    return getContents();
+}
+
+void X11Clipboard::clearTransferable()
+{
+    clearContents();
+}
+
+void X11Clipboard::fireContentsChanged()
+{
+    fireChangedContentsEvent();
+}
+
+Reference< XInterface > X11Clipboard::getReference() throw()
+{
+    return Reference< XInterface >( static_cast< OWeakObject* >(this) );
+}
+
+OUString SAL_CALL X11Clipboard::getImplementationName(  )
+{
+    return X11_CLIPBOARD_IMPLEMENTATION_NAME;
+}
+
+sal_Bool SAL_CALL X11Clipboard::supportsService( const OUString& ServiceName )
+{
+    return cppu::supportsService(this, ServiceName);
+}
+
+Sequence< OUString > SAL_CALL X11Clipboard::getSupportedServiceNames(    )
+{
+    return X11Clipboard_getSupportedServiceNames();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */