Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 109 insertions, 0 deletions

diff --git a/vcl/win/dtrans/WinClipboard.hxx b/vcl/win/dtrans/WinClipboard.hxx
new file mode 100644
index 000000000..ac86d0d54
--- /dev/null
+++ b/vcl/win/dtrans/WinClipboard.hxx
@@ -0,0 +1,109 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <rtl/ustring.hxx>
+#include <sal/types.h>
+#include <cppuhelper/basemutex.hxx>
+#include <cppuhelper/compbase.hxx>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardEx.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
+#include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
+#include <com/sun/star/datatransfer/clipboard/XSystemClipboard.hpp>
+#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <osl/conditn.hxx>
+#include <systools/win32/comtools.hxx>
+
+#include "MtaOleClipb.hxx"
+#include "XNotifyingDataObject.hxx"
+
+// implements the XClipboard[Ex] ... interfaces
+// for the clipboard viewer mechanism we need a static callback function
+// and a static member to reassociate from this static function to the
+// class instance
+// watch out: we are using only one static member variable and not a list
+// because we assume to be instantiated only once
+// this will be assured by a OneInstanceFactory of the service and not
+// by this class!
+
+class CWinClipboard final
+    : public cppu::BaseMutex,
+      public cppu::WeakComponentImplHelper<css::datatransfer::clipboard::XSystemClipboard,
+                                           css::datatransfer::clipboard::XFlushableClipboard,
+                                           css::lang::XServiceInfo>
+{
+    friend STDMETHODIMP_(ULONG) CXNotifyingDataObject::Release();
+
+    css::uno::Reference<css::uno::XComponentContext> m_xContext;
+    const OUString m_itsName;
+    CMtaOleClipboard m_MtaOleClipboard;
+    CXNotifyingDataObject* m_pCurrentClipContent;
+    com::sun::star::uno::Reference<com::sun::star::datatransfer::XTransferable> m_foreignContent;
+    osl::Mutex m_aContentMutex;
+    osl::Mutex m_aContentCacheMutex;
+
+    void notifyAllClipboardListener();
+    void onReleaseDataObject(CXNotifyingDataObject* theCaller);
+
+    void registerClipboardViewer();
+    void unregisterClipboardViewer();
+
+    static void WINAPI onClipboardContentChanged();
+
+public:
+    CWinClipboard(const css::uno::Reference<css::uno::XComponentContext>& rxContext,
+                  const OUString& aClipboardName);
+    virtual ~CWinClipboard() override;
+
+    // XClipboard
+    virtual css::uno::Reference<css::datatransfer::XTransferable> SAL_CALL getContents() override;
+    virtual void SAL_CALL setContents(
+        const css::uno::Reference<css::datatransfer::XTransferable>& xTransferable,
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardOwner>& xClipboardOwner)
+        override;
+    virtual OUString SAL_CALL getName() override;
+
+    // XFlushableClipboard
+    virtual void SAL_CALL flushClipboard() override;
+
+    // XClipboardEx
+    virtual sal_Int8 SAL_CALL getRenderingCapabilities() override;
+
+    // XClipboardNotifier
+    virtual void SAL_CALL addClipboardListener(
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
+        override;
+    virtual void SAL_CALL removeClipboardListener(
+        const css::uno::Reference<css::datatransfer::clipboard::XClipboardListener>& listener)
+        override;
+
+    // XServiceInfo
+    virtual OUString SAL_CALL getImplementationName() override;
+    virtual sal_Bool SAL_CALL supportsService(const OUString& ServiceName) override;
+    virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
+
+    IDataObjectPtr getIDataObject();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */