office-gobmx/include/oox/ole/olehelper.hxx
Mike Kaganski 1ac5353bbb Use weak reference to SfxObjectShell in SfxEventHint to avoid use-after-free
The events may be processed after the shell has been destroyed. This is
happening reliably after commit e2bfc34d14
(Reimplement OleComponentNative_Impl to use IGlobalInterfaceTable,
2024-03-11) when controlling LibreOffice from external Java scripts; but
obviously, it could happen before as well.

Now SotObject inherits from cppu::OWeakObject, instead of SvRefBase.

Change-Id: I73a3531499a3068c801c98f40de39bdf8ad90b2b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164458
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2024-03-11 04:43:28 +01:00

198 lines
7.9 KiB
C++

/* -*- 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_OOX_OLE_OLEHELPER_HXX
#define INCLUDED_OOX_OLE_OLEHELPER_HXX
#include <com/sun/star/uno/Reference.hxx>
#include <filter/msfilter/msocximex.hxx>
#include <oox/dllapi.h>
#include <oox/helper/binarystreambase.hxx>
#include <oox/helper/graphichelper.hxx>
#include <rtl/ref.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <memory>
namespace com::sun::star {
namespace awt { class XControlModel; }
namespace awt { struct Size; }
namespace form { class XFormComponent; }
namespace frame { class XModel; }
namespace io { class XOutputStream; }
namespace uno { class XComponentContext; }
}
class SotStorage;
class SotStorageStream;
class SvGlobalName;
namespace oox {
class BinaryInputStream;
class BinaryOutputStream;
}
namespace oox::ole {
class ControlModelBase;
class EmbeddedControl;
#define OLE_GUID_STDFONT "{0BE35203-8F91-11CE-9DE3-00AA004BB851}"
#define OLE_GUID_STDPIC "{0BE35204-8F91-11CE-9DE3-00AA004BB851}"
const sal_uInt16 OLE_STDFONT_NORMAL = 400;
const sal_uInt16 OLE_STDFONT_BOLD = 700;
const sal_uInt8 OLE_STDFONT_ITALIC = 0x02;
const sal_uInt8 OLE_STDFONT_UNDERLINE = 0x04;
const sal_uInt8 OLE_STDFONT_STRIKE = 0x08;
/** Stores data about a StdFont font structure. */
struct StdFontInfo
{
OUString maName; ///< Font name.
sal_uInt32 mnHeight; ///< Font height (1/10,000 points).
sal_uInt16 mnWeight; ///< Font weight (normal/bold).
sal_uInt16 mnCharSet; ///< Font charset.
sal_uInt8 mnFlags; ///< Font flags.
explicit StdFontInfo();
explicit StdFontInfo(
OUString aName,
sal_uInt32 nHeight );
};
/** Stores data about a StdHlink hyperlink. */
struct StdHlinkInfo
{
OUString maTarget;
OUString maLocation;
OUString maDisplay;
};
/** Static helper functions for OLE import/export. */
namespace OleHelper
{
/** Returns the UNO RGB color from the passed encoded OLE color.
@param bDefaultColorBgr
True = OLE default color type is treated as BGR color.
False = OLE default color type is treated as palette color.
*/
OOX_DLLPUBLIC ::Color decodeOleColor(
const GraphicHelper& rGraphicHelper,
sal_uInt32 nOleColor,
bool bDefaultColorBgr );
/** Returns the OLE color from the passed UNO RGB color.
*/
OOX_DLLPUBLIC sal_uInt32 encodeOleColor( sal_Int32 nRgbColor );
inline sal_uInt32 encodeOleColor( Color nRgbColor ) { return encodeOleColor(sal_Int32(nRgbColor)); }
/** Imports a GUID from the passed binary stream and returns its string
representation (in uppercase characters).
*/
OOX_DLLPUBLIC OUString importGuid( BinaryInputStream& rInStrm );
OOX_DLLPUBLIC void exportGuid( BinaryOutputStream& rOutStrm, const SvGlobalName& rId );
/** Imports an OLE StdFont font structure from the current position of the
passed binary stream.
*/
OOX_DLLPUBLIC bool importStdFont(
StdFontInfo& orFontInfo,
BinaryInputStream& rInStrm,
bool bWithGuid );
/** Imports an OLE StdPic picture from the current position of the passed
binary stream.
*/
OOX_DLLPUBLIC bool importStdPic(
StreamDataSequence& orGraphicData,
BinaryInputStream& rInStrm );
}
class OOX_DLLPUBLIC OleFormCtrlExportHelper final
{
std::unique_ptr<::oox::ole::EmbeddedControl> mpControl;
::oox::ole::ControlModelBase* mpModel;
::oox::GraphicHelper maGrfHelper;
css::uno::Reference< css::frame::XModel > mxDocModel;
css::uno::Reference< css::awt::XControlModel > mxControlModel;
OUString maName;
OUString maTypeName;
OUString maFullName;
OUString maGUID;
public:
OleFormCtrlExportHelper( const css::uno::Reference< css::uno::XComponentContext >& rxCtx, const css::uno::Reference< css::frame::XModel >& xDocModel, const css::uno::Reference< css::awt::XControlModel >& xModel );
~OleFormCtrlExportHelper();
std::u16string_view getGUID() const
{
std::u16string_view sResult;
if ( maGUID.getLength() > 2 )
sResult = maGUID.subView(1, maGUID.getLength() - 2 );
return sResult;
}
const OUString& getFullName() const { return maFullName; }
const OUString& getTypeName() const { return maTypeName; }
const OUString& getName() const { return maName; }
bool isValid() const { return mpModel != nullptr; }
void exportName( const css::uno::Reference< css::io::XOutputStream >& rxOut );
void exportCompObj( const css::uno::Reference< css::io::XOutputStream >& rxOut );
void exportControl( const css::uno::Reference< css::io::XOutputStream >& rxOut, const css::awt::Size& rSize, bool bAutoClose = false );
};
// ideally it would be great to get rid of SvxMSConvertOCXControls
// however msfilter/source/msfilter/svdfppt.cxx still uses
// SvxMSConvertOCXControls as a base class, unfortunately oox depends on
// msfilter. Probably the solution would be to move the svdfppt.cxx
// implementation into the sd module itself.
class OOX_DLLPUBLIC MSConvertOCXControls : public SvxMSConvertOCXControls
{
css::uno::Reference< css::uno::XComponentContext > mxCtx;
::oox::GraphicHelper maGrfHelper;
protected:
bool importControlFromStream( ::oox::BinaryInputStream& rInStrm,
css::uno::Reference< css::form::XFormComponent > & rxFormComp,
std::u16string_view rGuidString );
bool importControlFromStream( ::oox::BinaryInputStream& rInStrm,
css::uno::Reference< css::form::XFormComponent > & rxFormComp,
const OUString& rGuidString,
sal_Int32 nSize );
public:
MSConvertOCXControls( const css::uno::Reference< css::frame::XModel >& rxModel );
virtual ~MSConvertOCXControls() override;
bool ReadOCXStorage( rtl::Reference<SotStorage> const & rSrc1, css::uno::Reference< css::form::XFormComponent > & rxFormComp );
bool ReadOCXCtlsStream(rtl::Reference<SotStorageStream> const & rSrc1, css::uno::Reference< css::form::XFormComponent > & rxFormComp,
sal_Int32 nPos, sal_Int32 nSize );
static bool WriteOCXStream( const css::uno::Reference< css::frame::XModel >& rxModel, rtl::Reference<SotStorage> const &rSrc1, const css::uno::Reference< css::awt::XControlModel > &rControlModel, const css::awt::Size& rSize,OUString &rName);
static bool WriteOCXExcelKludgeStream( const css::uno::Reference< css::frame::XModel >& rxModel, const css::uno::Reference< css::io::XOutputStream >& xOutStrm, const css::uno::Reference< css::awt::XControlModel > &rControlModel, const css::awt::Size& rSize,OUString &rName);
};
} // namespace oox::ole
#endif
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