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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 .
+ */
+
+#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: */