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, 128 insertions, 0 deletions

diff --git a/include/svx/xmlgrhlp.hxx b/include/svx/xmlgrhlp.hxx
new file mode 100644
index 000000000..0e54e1cb1
--- /dev/null
+++ b/include/svx/xmlgrhlp.hxx
@@ -0,0 +1,128 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SVX_XMLGRHLP_HXX
+#define INCLUDED_SVX_XMLGRHLP_HXX
+
+#include <comphelper/compbase.hxx>
+#include <vcl/graph.hxx>
+#include <rtl/ref.hxx>
+
+#include <string_view>
+#include <vector>
+#include <unordered_map>
+#include <utility>
+#include <com/sun/star/document/XGraphicObjectResolver.hpp>
+#include <com/sun/star/document/XGraphicStorageHandler.hpp>
+#include <com/sun/star/document/XBinaryStreamResolver.hpp>
+#include <com/sun/star/embed/XStorage.hpp>
+#include <svx/svxdllapi.h>
+
+enum class SvXMLGraphicHelperMode
+{
+    Read, Write
+};
+
+struct SvxGraphicHelperStream_Impl
+{
+    css::uno::Reference < css::embed::XStorage > xStorage;
+    css::uno::Reference < css::io::XStream > xStream;
+};
+
+class SVXCORE_DLLPUBLIC SvXMLGraphicHelper final :
+        public comphelper::WeakComponentImplHelper<css::document::XGraphicObjectResolver,
+                                            css::document::XGraphicStorageHandler,
+                                            css::document::XBinaryStreamResolver>
+{
+private:
+    css::uno::Reference < css::embed::XStorage > mxRootStorage;
+    OUString             maCurStorageName;
+    std::vector< css::uno::Reference< css::io::XOutputStream > >
+                                maGrfStms;
+
+    std::unordered_map<OUString, css::uno::Reference<css::graphic::XGraphic>> maGraphicObjects;
+    std::unordered_map<Graphic, std::pair<OUString, OUString>> maExportGraphics;
+
+    SvXMLGraphicHelperMode      meCreateMode;
+    OUString                    maOutputMimeType;
+
+    SVX_DLLPRIVATE static bool          ImplGetStreamNames( const OUString& rURLStr,
+                                                    OUString& rPictureStorageName,
+                                                    OUString& rPictureStreamName );
+    SVX_DLLPRIVATE css::uno::Reference < css::embed::XStorage >
+                                            ImplGetGraphicStorage( const OUString& rPictureStorageName );
+    SVX_DLLPRIVATE SvxGraphicHelperStream_Impl
+                                            ImplGetGraphicStream( const OUString& rPictureStorageName,
+                                                      const OUString& rPictureStreamName );
+    SVX_DLLPRIVATE static OUString      ImplGetGraphicMimeType( const OUString& rFileName );
+    SVX_DLLPRIVATE Graphic                  ImplReadGraphic( const OUString& rPictureStorageName,
+                                                 const OUString& rPictureStreamName );
+
+                                SvXMLGraphicHelper();
+                                virtual ~SvXMLGraphicHelper() override;
+    void                        Init( const css::uno::Reference < css::embed::XStorage >& xXMLStorage,
+                                      SvXMLGraphicHelperMode eCreateMode,
+                                      const OUString& rGraphicMimeType = OUString() );
+
+    SVX_DLLPRIVATE OUString implSaveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic,
+                                            OUString & rOutMimeType,
+                                            std::u16string_view rRequestName);
+
+public:
+                                SvXMLGraphicHelper( SvXMLGraphicHelperMode eCreateMode );
+
+    static rtl::Reference<SvXMLGraphicHelper> Create( const css::uno::Reference < css::embed::XStorage >& rXMLStorage,
+                                        SvXMLGraphicHelperMode eCreateMode );
+    static rtl::Reference<SvXMLGraphicHelper>  Create( SvXMLGraphicHelperMode eCreateMode,
+                                        const OUString& rMimeType = OUString() );
+
+public:
+
+    // XGraphicObjectResolver
+    virtual OUString SAL_CALL resolveGraphicObjectURL( const OUString& aURL ) override;
+
+    // XGraphicStorageHandler
+    virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL
+        loadGraphic(OUString const & aURL) override;
+
+    virtual css::uno::Reference<css::graphic::XGraphic> SAL_CALL
+        loadGraphicFromOutputStream(css::uno::Reference<css::io::XOutputStream> const & rxOutputStream) override;
+
+    virtual OUString SAL_CALL
+        saveGraphic(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override;
+
+    virtual OUString SAL_CALL
+        saveGraphicByName(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic, OUString & rOutSavedMimeType, OUString const & rRequestName) override;
+
+    virtual css::uno::Reference<css::io::XInputStream> SAL_CALL
+        createInputStream(css::uno::Reference<css::graphic::XGraphic> const & rxGraphic) override;
+
+    // XBinaryStreamResolver
+    virtual css::uno::Reference< css::io::XInputStream > SAL_CALL getInputStream( const OUString& rURL ) override;
+    virtual css::uno::Reference< css::io::XOutputStream > SAL_CALL createOutputStream(  ) override;
+    virtual OUString SAL_CALL resolveOutputStream( const css::uno::Reference< css::io::XOutputStream >& rxBinaryStream ) override;
+};
+
+namespace svx {
+    SVXCORE_DLLPUBLIC void DropUnusedNamedItems(css::uno::Reference<css::uno::XInterface> const& xModel);
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */