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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: */
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