office-gobmx/embeddedobj/source/msole/olecomponent.cxx
Stephan Bergmann 097fcd045e loplugin:refcounting (clang-cl)
Change-Id: Ifa54eed0a772b658d266e9e42be5f5232e7a6b79
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/111812
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
2021-03-03 08:49:48 +01:00

1760 lines
59 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 .
*/
#include <sal/config.h>
#include <com/sun/star/datatransfer/UnsupportedFlavorException.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/DisposedException.hpp>
#include <com/sun/star/embed/WrongStateException.hpp>
#include <com/sun/star/embed/UnreachableStateException.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/io/TempFile.hpp>
#include <com/sun/star/io/XTruncate.hpp>
#include <com/sun/star/io/IOException.hpp>
#include <com/sun/star/awt/XRequestCallback.hpp>
#include "platform.h"
#include <cppuhelper/interfacecontainer.h>
#include <comphelper/mimeconfighelper.hxx>
#include <comphelper/processfactory.hxx>
#include <osl/file.hxx>
#include <rtl/ref.hxx>
#include <o3tl/char16_t2wchar_t.hxx>
#include "graphconvert.hxx"
#include "olecomponent.hxx"
#include "olepersist.hxx"
#include "olewrapclient.hxx"
#include "advisesink.hxx"
#include <oleembobj.hxx>
#include "mtnotification.hxx"
#include <memory>
#include <string>
using namespace ::com::sun::star;
using namespace ::comphelper;
#define MAX_ENUM_ELE 20
#define FORMATS_NUM 3
// ============ class ComSmart =====================
namespace {
template< class T > class ComSmart
{
T* m_pInterface;
void OwnRelease()
{
if ( m_pInterface )
{
T* pInterface = m_pInterface;
m_pInterface = nullptr;
pInterface->Release();
}
}
public:
ComSmart()
: m_pInterface( nullptr )
{}
ComSmart( const ComSmart<T>& rObj )
: m_pInterface( rObj.m_pInterface )
{
if ( m_pInterface != NULL )
m_pInterface->AddRef();
}
ComSmart( T* pInterface )
: m_pInterface( pInterface )
{
if ( m_pInterface != NULL )
m_pInterface->AddRef();
}
~ComSmart()
{
OwnRelease();
}
ComSmart& operator=( const ComSmart<T>& rObj )
{
if(this == &rObj)
return *this;
OwnRelease();
m_pInterface = rObj.m_pInterface;
if ( m_pInterface != NULL )
m_pInterface->AddRef();
return *this;
}
ComSmart<T>& operator=( T* pInterface )
{
OwnRelease();
m_pInterface = pInterface;
if ( m_pInterface != NULL )
m_pInterface->AddRef();
return *this;
}
operator T*() const
{
return m_pInterface;
}
T& operator*() const
{
return *m_pInterface;
}
T** operator&()
{
OwnRelease();
m_pInterface = nullptr;
return &m_pInterface;
}
T* operator->() const
{
return m_pInterface;
}
bool operator==( const ComSmart<T>& rObj ) const
{
return ( m_pInterface == rObj.m_pInterface );
}
bool operator!=( const ComSmart<T>& rObj ) const
{
return ( m_pInterface != rObj.m_pInterface );
}
bool operator==( const T* pInterface ) const
{
return ( m_pInterface == pInterface );
}
bool operator!=( const T* pInterface ) const
{
return ( m_pInterface != pInterface );
}
};
}
// ============ class ComSmart =====================
typedef std::vector< FORMATETC* > FormatEtcList;
FORMATETC const pFormatTemplates[FORMATS_NUM] = {
{ CF_ENHMETAFILE, nullptr, 0, -1, TYMED_ENHMF },
{ CF_METAFILEPICT, nullptr, 0, -1, TYMED_MFPICT },
{ CF_BITMAP, nullptr, 0, -1, TYMED_GDI } };
struct OleComponentNative_Impl {
ComSmart< IUnknown > m_pObj;
ComSmart< IOleObject > m_pOleObject;
ComSmart< IViewObject2 > m_pViewObject2;
ComSmart< IStorage > m_pIStorage;
FormatEtcList m_aFormatsList;
uno::Sequence< datatransfer::DataFlavor > m_aSupportedGraphFormats;
OleComponentNative_Impl()
{
// TODO: Extend format list
m_aSupportedGraphFormats.realloc( 5 );
m_aSupportedGraphFormats[0] = datatransfer::DataFlavor(
"application/x-openoffice-emf;windows_formatname=\"Image EMF\"",
"Windows Enhanced Metafile",
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
m_aSupportedGraphFormats[1] = datatransfer::DataFlavor(
"application/x-openoffice-wmf;windows_formatname=\"Image WMF\"",
"Windows Metafile",
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
m_aSupportedGraphFormats[2] = datatransfer::DataFlavor(
"application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"",
"Bitmap",
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
m_aSupportedGraphFormats[3] = datatransfer::DataFlavor(
"image/png",
"PNG",
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
m_aSupportedGraphFormats[0] = datatransfer::DataFlavor(
"application/x-openoffice-gdimetafile;windows_formatname=\"GDIMetaFile\"",
"GDIMetafile",
cppu::UnoType<uno::Sequence< sal_Int8 >>::get() );
}
bool ConvertDataForFlavor( const STGMEDIUM& aMedium,
const datatransfer::DataFlavor& aFlavor,
uno::Any& aResult );
bool GraphicalFlavor( const datatransfer::DataFlavor& aFlavor );
uno::Sequence< datatransfer::DataFlavor > GetFlavorsForAspects( sal_uInt32 nSupportedAspects );
};
static DWORD GetAspectFromFlavor( const datatransfer::DataFlavor& aFlavor )
{
if ( aFlavor.MimeType.indexOf( ";Aspect=THUMBNAIL" ) != -1 )
return DVASPECT_THUMBNAIL;
else if ( aFlavor.MimeType.indexOf( ";Aspect=ICON" ) != -1 )
return DVASPECT_ICON;
else if ( aFlavor.MimeType.indexOf( ";Aspect=DOCPRINT" ) != -1 )
return DVASPECT_DOCPRINT;
else
return DVASPECT_CONTENT;
}
static OUString GetFlavorSuffixFromAspect( DWORD nAsp )
{
OUString aResult;
if ( nAsp == DVASPECT_THUMBNAIL )
aResult = ";Aspect=THUMBNAIL";
else if ( nAsp == DVASPECT_ICON )
aResult = ";Aspect=ICON";
else if ( nAsp == DVASPECT_DOCPRINT )
aResult = ";Aspect=DOCPRINT";
// no suffix for DVASPECT_CONTENT
return aResult;
}
static HRESULT OpenIStorageFromURL_Impl( const OUString& aURL, IStorage** ppIStorage )
{
OSL_ENSURE( ppIStorage, "The pointer must not be empty!" );
OUString aFilePath;
if ( !ppIStorage || ::osl::FileBase::getSystemPathFromFileURL( aURL, aFilePath ) != ::osl::FileBase::E_None )
throw uno::RuntimeException(); // TODO: something dangerous happened
return StgOpenStorage( o3tl::toW(aFilePath.getStr()),
nullptr,
STGM_READWRITE | STGM_TRANSACTED, // | STGM_DELETEONRELEASE,
nullptr,
0,
ppIStorage );
}
bool OleComponentNative_Impl::ConvertDataForFlavor( const STGMEDIUM& aMedium,
const datatransfer::DataFlavor& aFlavor,
uno::Any& aResult )
{
bool bAnyIsReady = false;
// try to convert data from Medium format to specified Flavor format
if ( aFlavor.DataType == cppu::UnoType<uno::Sequence< sal_Int8 >>::get() )
{
// first the GDI-metafile must be generated
std::unique_ptr<sal_Int8[]> pBuf;
sal_uInt32 nBufSize = 0;
OUString aFormat;
if ( aMedium.tymed == TYMED_MFPICT ) // Win Metafile
{
aFormat = "image/x-wmf";
METAFILEPICT* pMF = static_cast<METAFILEPICT*>(GlobalLock( aMedium.hMetaFilePict ));
if ( pMF )
{
nBufSize = GetMetaFileBitsEx( pMF->hMF, 0, nullptr ) + 22;
pBuf.reset(new sal_Int8[nBufSize]);
// TODO/LATER: the unit size must be calculated correctly
*reinterpret_cast<long*>( pBuf.get() ) = 0x9ac6cdd7L;
*reinterpret_cast<short*>( pBuf.get()+6 ) = SHORT(0);
*reinterpret_cast<short*>( pBuf.get()+8 ) = SHORT(0);
*reinterpret_cast<short*>( pBuf.get()+10 ) = static_cast<SHORT>(pMF->xExt);
*reinterpret_cast<short*>( pBuf.get()+12 ) = static_cast<SHORT>(pMF->yExt);
*reinterpret_cast<short*>( pBuf.get()+14 ) = USHORT(2540);
if ( nBufSize && nBufSize == GetMetaFileBitsEx( pMF->hMF, nBufSize - 22, pBuf.get() + 22 ) )
{
if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-wmf;windows_formatname=\"Image WMF\"", 57 ) )
{
aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize );
bAnyIsReady = true;
}
}
GlobalUnlock( aMedium.hMetaFilePict );
}
}
else if ( aMedium.tymed == TYMED_ENHMF ) // Enh Metafile
{
aFormat = "image/x-emf";
nBufSize = GetEnhMetaFileBits( aMedium.hEnhMetaFile, 0, nullptr );
pBuf.reset(new sal_Int8[nBufSize]);
if ( nBufSize && nBufSize == GetEnhMetaFileBits( aMedium.hEnhMetaFile, nBufSize, reinterpret_cast<LPBYTE>(pBuf.get()) ) )
{
if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-emf;windows_formatname=\"Image EMF\"", 57 ) )
{
aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize );
bAnyIsReady = true;
}
}
}
else if ( aMedium.tymed == TYMED_GDI ) // Bitmap
{
aFormat = "image/x-MS-bmp";
// Find out size of buffer: deprecated GetBitmapBits does not have a mode to return
// required buffer size
BITMAP aBmp;
GetObjectW(aMedium.hBitmap, sizeof(aBmp), &aBmp);
nBufSize = aBmp.bmWidthBytes * aBmp.bmHeight;
pBuf.reset(new sal_Int8[nBufSize]);
if ( nBufSize && nBufSize == sal::static_int_cast< ULONG >( GetBitmapBits( aMedium.hBitmap, nBufSize, pBuf.get() ) ) )
{
if ( aFlavor.MimeType.matchAsciiL( "application/x-openoffice-bitmap;windows_formatname=\"Bitmap\"", 54 ) )
{
aResult <<= uno::Sequence< sal_Int8 >( pBuf.get(), nBufSize );
bAnyIsReady = true;
}
}
}
if ( pBuf && !bAnyIsReady )
{
for ( auto const & supportedFormat : std::as_const(m_aSupportedGraphFormats) )
if ( aFlavor.MimeType.match( supportedFormat.MimeType )
&& aFlavor.DataType == supportedFormat.DataType
&& aFlavor.DataType == cppu::UnoType<uno::Sequence< sal_Int8 >>::get() )
{
bAnyIsReady = ConvertBufferToFormat( pBuf.get(), nBufSize, aFormat, aResult );
break;
}
}
}
return bAnyIsReady;
}
bool OleComponentNative_Impl::GraphicalFlavor( const datatransfer::DataFlavor& aFlavor )
{
// Actually all the required graphical formats must be supported
for ( auto const & supportedFormat : std::as_const(m_aSupportedGraphFormats) )
if ( aFlavor.MimeType.match( supportedFormat.MimeType )
&& aFlavor.DataType == supportedFormat.DataType )
return true;
return false;
}
static bool GetClassIDFromSequence_Impl( uno::Sequence< sal_Int8 > const & aSeq, CLSID& aResult )
{
if ( aSeq.getLength() == 16 )
{
aResult.Data1 = ( ( ( ( ( static_cast<sal_uInt8>(aSeq[0]) << 8 ) + static_cast<sal_uInt8>(aSeq[1]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[2]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[3]);
aResult.Data2 = ( static_cast<sal_uInt8>(aSeq[4]) << 8 ) + static_cast<sal_uInt8>(aSeq[5]);
aResult.Data3 = ( static_cast<sal_uInt8>(aSeq[6]) << 8 ) + static_cast<sal_uInt8>(aSeq[7]);
for( int nInd = 0; nInd < 8; nInd++ )
aResult.Data4[nInd] = static_cast<sal_uInt8>(aSeq[nInd+8]);
return true;
}
return false;
}
static OUString WinAccToVcl_Impl( const sal_Unicode* pStr )
{
OUString aResult;
if( pStr )
{
while ( *pStr )
{
if ( *pStr == '&' )
{
aResult += "~";
while( *( ++pStr ) == '&' );
}
else
{
aResult += OUString( pStr, 1 );
pStr++;
}
}
}
return aResult;
}
OleComponent::OleComponent( const uno::Reference< uno::XComponentContext >& xContext, OleEmbeddedObject* pUnoOleObject )
: m_pInterfaceContainer( nullptr )
, m_bDisposed( false )
, m_bModified( false )
, m_pNativeImpl( new OleComponentNative_Impl() )
, m_pUnoOleObject( pUnoOleObject )
, m_pOleWrapClientSite( nullptr )
, m_pImplAdviseSink( nullptr )
, m_nOLEMiscFlags( 0 )
, m_nAdvConn( 0 )
, m_xContext( xContext )
, m_bOleInitialized( false )
, m_bWorkaroundActive( false )
{
OSL_ENSURE( m_pUnoOleObject, "No owner object is provided!" );
HRESULT hr = OleInitialize( nullptr );
OSL_ENSURE( hr == S_OK || hr == S_FALSE, "The ole can not be successfully initialized" );
if ( hr == S_OK || hr == S_FALSE )
m_bOleInitialized = true;
m_pOleWrapClientSite = new OleWrapperClientSite( this );
m_pOleWrapClientSite->AddRef();
m_pImplAdviseSink = new OleWrapperAdviseSink( this );
m_pImplAdviseSink->AddRef();
}
OleComponent::~OleComponent()
{
OSL_ENSURE( !m_pOleWrapClientSite && !m_pImplAdviseSink && !m_pInterfaceContainer && !m_bOleInitialized,
"The object was not closed successfully! DISASTER is possible!" );
if ( m_pOleWrapClientSite || m_pImplAdviseSink || m_pInterfaceContainer || m_bOleInitialized )
{
osl_atomic_increment(&m_refCount);
try {
Dispose();
} catch( const uno::Exception& ) {}
}
for (auto const& format : m_pNativeImpl->m_aFormatsList)
{
delete format;
}
m_pNativeImpl->m_aFormatsList.clear();
delete m_pNativeImpl;
}
void OleComponent::Dispose()
{
if ( m_bDisposed )
return;
// Call CloseObject() without m_aMutex locked, since it will call
// IOleObject::Close(), which can call event listeners, which can run on a
// different thread.
CloseObject();
osl::MutexGuard aGuard(m_aMutex);
if ( m_pOleWrapClientSite )
{
m_pOleWrapClientSite->disconnectOleComponent();
m_pOleWrapClientSite->Release();
m_pOleWrapClientSite = nullptr;
}
if ( m_pImplAdviseSink )
{
m_pImplAdviseSink->disconnectOleComponent();
m_pImplAdviseSink->Release();
m_pImplAdviseSink = nullptr;
}
if ( m_pInterfaceContainer )
{
lang::EventObject aEvent( static_cast< ::cppu::OWeakObject* >( this ) );
m_pInterfaceContainer->disposeAndClear( aEvent );
delete m_pInterfaceContainer;
m_pInterfaceContainer = nullptr;
}
if ( m_bOleInitialized )
{
// since the disposing can happen not only from main thread but also from a clipboard
// the deinitialization might lead to a disaster, SO7 does not deinitialize OLE at all
// so currently the same approach is selected as workaround
// OleUninitialize();
m_bOleInitialized = false;
}
m_bDisposed = true;
}
void OleComponent::disconnectEmbeddedObject()
{
// must not be called from destructor of UNO OLE object!!!
osl::MutexGuard aGuard( m_aMutex );
m_pUnoOleObject = nullptr;
}
void OleComponent::CreateNewIStorage_Impl()
{
// TODO: in future a global memory could be used instead of file.
// write the stream to the temporary file
OUString aTempURL;
OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" );
if ( m_pUnoOleObject )
aTempURL = m_pUnoOleObject->CreateTempURLEmpty_Impl();
else
aTempURL = GetNewTempFileURL_Impl( m_xContext );
if ( !aTempURL.getLength() )
throw uno::RuntimeException(); // TODO
// open an IStorage based on the temporary file
OUString aTempFilePath;
if ( ::osl::FileBase::getSystemPathFromFileURL( aTempURL, aTempFilePath ) != ::osl::FileBase::E_None )
throw uno::RuntimeException(); // TODO: something dangerous happened
HRESULT hr = StgCreateDocfile( o3tl::toW(aTempFilePath.getStr()), STGM_CREATE | STGM_READWRITE | STGM_TRANSACTED | STGM_DELETEONRELEASE, 0, &m_pNativeImpl->m_pIStorage );
if ( FAILED( hr ) || !m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO: transport error code?
}
uno::Sequence< datatransfer::DataFlavor > OleComponentNative_Impl::GetFlavorsForAspects( sal_uInt32 nSupportedAspects )
{
uno::Sequence< datatransfer::DataFlavor > aResult;
for ( sal_uInt32 nAsp = 1; nAsp <= 8; nAsp *= 2 )
if ( ( nSupportedAspects & nAsp ) == nAsp )
{
OUString aAspectSuffix = GetFlavorSuffixFromAspect( nAsp );
sal_Int32 nLength = aResult.getLength();
aResult.realloc( nLength + m_aSupportedGraphFormats.getLength() );
for ( sal_Int32 nInd = 0; nInd < m_aSupportedGraphFormats.getLength(); nInd++ )
{
aResult[nLength + nInd].MimeType = m_aSupportedGraphFormats[nInd].MimeType + aAspectSuffix;
aResult[nLength + nInd].HumanPresentableName = m_aSupportedGraphFormats[nInd].HumanPresentableName;
aResult[nLength + nInd].DataType = m_aSupportedGraphFormats[nInd].DataType;
}
}
return aResult;
}
void OleComponent::RetrieveObjectDataFlavors_Impl()
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
if ( !m_aDataFlavors.getLength() )
{
ComSmart< IDataObject > pDataObject;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IDataObject, reinterpret_cast<void**>(&pDataObject) );
if ( SUCCEEDED( hr ) && pDataObject )
{
ComSmart< IEnumFORMATETC > pFormatEnum;
hr = pDataObject->EnumFormatEtc( DATADIR_GET, &pFormatEnum );
if ( SUCCEEDED( hr ) && pFormatEnum )
{
FORMATETC pElem[ MAX_ENUM_ELE ];
ULONG nNum = 0;
// if it is possible to retrieve at least one supported graphical format for an aspect
// this format can be converted to other supported formats
sal_uInt32 nSupportedAspects = 0;
do
{
HRESULT hr2 = pFormatEnum->Next( MAX_ENUM_ELE, pElem, &nNum );
if( hr2 == S_OK || hr2 == S_FALSE )
{
for( sal_uInt32 nInd = 0; nInd < FORMATS_NUM; nInd++ )
{
if ( pElem[nInd].cfFormat == pFormatTemplates[nInd].cfFormat
&& pElem[nInd].tymed == pFormatTemplates[nInd].tymed )
nSupportedAspects |= pElem[nInd].dwAspect;
}
}
else
break;
}
while( nNum == MAX_ENUM_ELE );
m_aDataFlavors = m_pNativeImpl->GetFlavorsForAspects( nSupportedAspects );
}
}
if ( !m_aDataFlavors.getLength() )
{
// TODO:
// for any reason the object could not provide this information
// try to get access to the cached representation
}
}
}
bool OleComponent::InitializeObject_Impl()
// There will be no static objects!
{
if ( !m_pNativeImpl->m_pObj )
return false;
// the linked object will be detected here
ComSmart< IOleLink > pOleLink;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IOleLink, reinterpret_cast<void**>(&pOleLink) );
OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" );
if ( m_pUnoOleObject )
m_pUnoOleObject->SetObjectIsLink_Impl( pOleLink != nullptr );
hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IViewObject2, reinterpret_cast<void**>(&m_pNativeImpl->m_pViewObject2) );
if ( FAILED( hr ) || !m_pNativeImpl->m_pViewObject2 )
return false;
// remove all the caches
IOleCache* pIOleCache = nullptr;
if ( SUCCEEDED( m_pNativeImpl->m_pObj->QueryInterface( IID_IOleCache, reinterpret_cast<void**>(&pIOleCache) ) ) && pIOleCache )
{
IEnumSTATDATA* pEnumSD = nullptr;
HRESULT hr2 = pIOleCache->EnumCache( &pEnumSD );
if ( SUCCEEDED( hr2 ) && pEnumSD )
{
pEnumSD->Reset();
STATDATA aSD;
DWORD nNum;
while( SUCCEEDED( pEnumSD->Next( 1, &aSD, &nNum ) ) && nNum == 1 )
hr2 = pIOleCache->Uncache( aSD.dwConnection );
}
// No IDataObject implementation, caching must be used instead
DWORD nConn;
FORMATETC aFormat = { 0, nullptr, DVASPECT_CONTENT, -1, TYMED_MFPICT };
hr2 = pIOleCache->Cache( &aFormat, ADVFCACHE_ONSAVE, &nConn );
pIOleCache->Release();
pIOleCache = nullptr;
}
hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IOleObject, reinterpret_cast<void**>(&m_pNativeImpl->m_pOleObject) );
if ( FAILED( hr ) || !m_pNativeImpl->m_pOleObject )
return false; // Static objects are not supported, they should be inserted as graphics
m_pNativeImpl->m_pOleObject->GetMiscStatus( DVASPECT_CONTENT, reinterpret_cast<DWORD*>(&m_nOLEMiscFlags) );
// TODO: use other misc flags also
// the object should have drawable aspect even in case it supports only iconic representation
// if ( m_nOLEMiscFlags & OLEMISC_ONLYICONIC )
m_pNativeImpl->m_pOleObject->SetClientSite( m_pOleWrapClientSite );
// the only need in this registration is workaround for close notification
m_pNativeImpl->m_pOleObject->Advise( m_pImplAdviseSink, reinterpret_cast<DWORD*>(&m_nAdvConn) );
m_pNativeImpl->m_pViewObject2->SetAdvise( DVASPECT_CONTENT, 0, m_pImplAdviseSink );
OleSetContainedObject( m_pNativeImpl->m_pOleObject, TRUE );
return true;
}
namespace
{
HRESULT OleLoadSeh(LPSTORAGE pIStorage, LPVOID* ppObj)
{
HRESULT hr = E_FAIL;
__try {
hr = OleLoad(pIStorage, IID_IUnknown, nullptr, ppObj);
} __except( EXCEPTION_EXECUTE_HANDLER ) {
return E_FAIL;
}
return hr;
}
}
void OleComponent::LoadEmbeddedObject( const OUString& aTempURL )
{
if ( !aTempURL.getLength() )
throw lang::IllegalArgumentException(); // TODO
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO the object is already initialized or wrong initialization is done
// open an IStorage based on the temporary file
HRESULT hr = OpenIStorageFromURL_Impl( aTempURL, &m_pNativeImpl->m_pIStorage );
if ( FAILED( hr ) || !m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO: transport error code?
hr = OleLoadSeh(m_pNativeImpl->m_pIStorage, reinterpret_cast<void**>(&m_pNativeImpl->m_pObj));
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
{
throw uno::RuntimeException();
}
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
}
void OleComponent::CreateObjectFromClipboard()
{
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO:the object is already initialized
CreateNewIStorage_Impl();
if ( !m_pNativeImpl->m_pIStorage )
throw uno::RuntimeException(); // TODO
IDataObject * pDO = nullptr;
HRESULT hr = OleGetClipboard( &pDO );
if( SUCCEEDED( hr ) && pDO )
{
hr = OleQueryCreateFromData( pDO );
if( S_OK == GetScode( hr ) )
{
hr = OleCreateFromData( pDO,
IID_IUnknown,
OLERENDER_DRAW, // OLERENDER_FORMAT
nullptr, // &aFormat,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
}
else
{
// Static objects are not supported
pDO->Release();
}
}
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
throw uno::RuntimeException();
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
}
void OleComponent::CreateNewEmbeddedObject( const uno::Sequence< sal_Int8 >& aSeqCLSID )
{
CLSID aClsID;
if ( !GetClassIDFromSequence_Impl( aSeqCLSID, aClsID ) )
throw lang::IllegalArgumentException(); // TODO
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO:the object is already initialized
CreateNewIStorage_Impl();
if ( !m_pNativeImpl->m_pIStorage )
throw uno::RuntimeException(); // TODO
// FORMATETC aFormat = { CF_METAFILEPICT, NULL, nAspect, -1, TYMED_MFPICT }; // for OLE..._DRAW should be NULL
HRESULT hr = OleCreate( aClsID,
IID_IUnknown,
OLERENDER_DRAW, // OLERENDER_FORMAT
nullptr, // &aFormat,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
throw uno::RuntimeException(); // TODO
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
// TODO: getExtent???
}
void OleComponent::CreateObjectFromData( const uno::Reference< datatransfer::XTransferable >& )
// Static objects are not supported, they should be inserted as graphics
{
// TODO: May be this call is useless since there are no static objects
// and nonstatic objects will be created based on OLEstorage ( stream ).
// ???
// OleQueryCreateFromData...
}
void OleComponent::CreateObjectFromFile( const OUString& aFileURL )
{
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO:the object is already initialized
CreateNewIStorage_Impl();
if ( !m_pNativeImpl->m_pIStorage )
throw uno::RuntimeException(); // TODO:
OUString aFilePath;
if ( ::osl::FileBase::getSystemPathFromFileURL( aFileURL, aFilePath ) != ::osl::FileBase::E_None )
throw uno::RuntimeException(); // TODO: something dangerous happened
HRESULT hr = OleCreateFromFile( CLSID_NULL,
o3tl::toW(aFilePath.getStr()),
IID_IUnknown,
OLERENDER_DRAW, // OLERENDER_FORMAT
nullptr,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
throw uno::RuntimeException(); // TODO
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
}
void OleComponent::CreateLinkFromFile( const OUString& aFileURL )
{
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO:the object is already initialized
CreateNewIStorage_Impl();
if ( !m_pNativeImpl->m_pIStorage )
throw uno::RuntimeException(); // TODO:
OUString aFilePath;
if ( ::osl::FileBase::getSystemPathFromFileURL( aFileURL, aFilePath ) != ::osl::FileBase::E_None )
throw uno::RuntimeException(); // TODO: something dangerous happened
HRESULT hr = OleCreateLinkToFile( o3tl::toW(aFilePath.getStr()),
IID_IUnknown,
OLERENDER_DRAW, // OLERENDER_FORMAT
nullptr,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
throw uno::RuntimeException(); // TODO
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
}
void OleComponent::InitEmbeddedCopyOfLink( rtl::Reference<OleComponent> const & pOleLinkComponent )
{
if ( !pOleLinkComponent || !pOleLinkComponent->m_pNativeImpl->m_pObj )
throw lang::IllegalArgumentException(); // TODO
if ( m_pNativeImpl->m_pIStorage )
throw io::IOException(); // TODO:the object is already initialized
ComSmart< IDataObject > pDataObject;
HRESULT hr = pOleLinkComponent->m_pNativeImpl->m_pObj->QueryInterface( IID_IDataObject, reinterpret_cast<void**>(&pDataObject) );
if ( SUCCEEDED( hr ) && pDataObject && SUCCEEDED( OleQueryCreateFromData( pDataObject ) ) )
{
// the object must be already disconnected from the temporary URL
CreateNewIStorage_Impl();
if ( !m_pNativeImpl->m_pIStorage )
throw uno::RuntimeException(); // TODO:
hr = OleCreateFromData( pDataObject,
IID_IUnknown,
OLERENDER_DRAW,
nullptr,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
}
if ( !m_pNativeImpl->m_pObj )
{
ComSmart< IOleLink > pOleLink;
hr = pOleLinkComponent->m_pNativeImpl->m_pObj->QueryInterface( IID_IOleLink, reinterpret_cast<void**>(&pOleLink) );
if ( FAILED( hr ) || !pOleLink )
throw io::IOException(); // TODO: the object doesn't support IOleLink
ComSmart< IMoniker > pMoniker;
hr = pOleLink->GetSourceMoniker( &pMoniker );
if ( FAILED( hr ) || !pMoniker )
throw io::IOException(); // TODO: can not retrieve moniker
// In case of file moniker life is easy : )
DWORD aMonType = 0;
hr = pMoniker->IsSystemMoniker( &aMonType );
if ( SUCCEEDED( hr ) && aMonType == MKSYS_FILEMONIKER )
{
ComSmart< IMalloc > pMalloc;
hr = CoGetMalloc( 1, &pMalloc ); // if fails there will be a memory leak
OSL_ENSURE(SUCCEEDED(hr) && pMalloc, "CoGetMalloc() failed!");
LPOLESTR pOleStr = nullptr;
hr = pOleLink->GetSourceDisplayName( &pOleStr );
if ( SUCCEEDED( hr ) && pOleStr )
{
std::wstring aFilePath( pOleStr );
if ( pMalloc )
pMalloc->Free( pOleStr );
hr = OleCreateFromFile( CLSID_NULL,
aFilePath.c_str(),
IID_IUnknown,
OLERENDER_DRAW, // OLERENDER_FORMAT
nullptr,
nullptr,
m_pNativeImpl->m_pIStorage,
reinterpret_cast<void**>(&m_pNativeImpl->m_pObj) );
}
}
// in case of other moniker types the only way is to get storage
if ( !m_pNativeImpl->m_pObj )
{
ComSmart< IBindCtx > pBindCtx;
hr = CreateBindCtx( 0, &pBindCtx );
if ( SUCCEEDED( hr ) && pBindCtx )
{
ComSmart< IStorage > pObjectStorage;
hr = pMoniker->BindToStorage( pBindCtx, nullptr, IID_IStorage, reinterpret_cast<void**>(&pObjectStorage) );
if ( SUCCEEDED( hr ) && pObjectStorage )
{
hr = pObjectStorage->CopyTo( 0, nullptr, nullptr, m_pNativeImpl->m_pIStorage );
if ( SUCCEEDED( hr ) )
hr = OleLoadSeh(m_pNativeImpl->m_pIStorage, reinterpret_cast<void**>(&m_pNativeImpl->m_pObj));
}
}
}
}
// If object could not be created the only way is to use graphical representation
if ( FAILED( hr ) || !m_pNativeImpl->m_pObj )
throw uno::RuntimeException(); // TODO
if ( !InitializeObject_Impl() )
throw uno::RuntimeException(); // TODO
}
void OleComponent::RunObject()
{
OSL_ENSURE( m_pNativeImpl->m_pOleObject, "The pointer can not be set to NULL here!" );
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
if ( !OleIsRunning( m_pNativeImpl->m_pOleObject ) )
{
HRESULT hr = OleRun( m_pNativeImpl->m_pObj );
if ( FAILED( hr ) )
{
if ( hr == REGDB_E_CLASSNOTREG )
throw embed::UnreachableStateException(); // the object server is not installed
else
throw io::IOException();
}
}
}
awt::Size OleComponent::CalculateWithFactor( const awt::Size& aSize,
const awt::Size& aMultiplier,
const awt::Size& aDivisor )
{
awt::Size aResult;
sal_Int64 nWidth = static_cast<sal_Int64>(aSize.Width) * static_cast<sal_Int64>(aMultiplier.Width) / static_cast<sal_Int64>(aDivisor.Width);
sal_Int64 nHeight = static_cast<sal_Int64>(aSize.Height) * static_cast<sal_Int64>(aMultiplier.Height) / static_cast<sal_Int64>(aDivisor.Height);
OSL_ENSURE( nWidth < SAL_MAX_INT32 && nWidth > SAL_MIN_INT32
&& nHeight < SAL_MAX_INT32 && nHeight > SAL_MIN_INT32,
"Unacceptable result size!" );
aResult.Width = static_cast<sal_Int32>(nWidth);
aResult.Height = static_cast<sal_Int32>(nHeight);
return aResult;
}
void OleComponent::CloseObject()
{
if ( m_pNativeImpl->m_pOleObject && OleIsRunning( m_pNativeImpl->m_pOleObject ) )
m_pNativeImpl->m_pOleObject->Close( OLECLOSE_NOSAVE ); // must be saved before
}
uno::Sequence< embed::VerbDescriptor > OleComponent::GetVerbList()
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
if( !m_aVerbList.getLength() )
{
ComSmart< IEnumOLEVERB > pEnum;
if( SUCCEEDED( m_pNativeImpl->m_pOleObject->EnumVerbs( &pEnum ) ) )
{
OLEVERB szEle[ MAX_ENUM_ELE ];
ULONG nNum = 0;
sal_Int32 nSeqSize = 0;
do
{
HRESULT hr = pEnum->Next( MAX_ENUM_ELE, szEle, &nNum );
if( hr == S_OK || hr == S_FALSE )
{
m_aVerbList.realloc( nSeqSize += nNum );
for( sal_uInt32 nInd = 0; nInd < nNum; nInd++ )
{
m_aVerbList[nSeqSize-nNum+nInd].VerbID = szEle[ nInd ].lVerb;
m_aVerbList[nSeqSize-nNum+nInd].VerbName = WinAccToVcl_Impl( o3tl::toU(szEle[ nInd ].lpszVerbName) );
m_aVerbList[nSeqSize-nNum+nInd].VerbFlags = szEle[ nInd ].fuFlags;
m_aVerbList[nSeqSize-nNum+nInd].VerbAttributes = szEle[ nInd ].grfAttribs;
}
}
else
break;
}
while( nNum == MAX_ENUM_ELE );
}
}
return m_aVerbList;
}
void OleComponent::ExecuteVerb( sal_Int32 nVerbID )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO
HRESULT hr = OleRun( m_pNativeImpl->m_pOleObject );
if ( FAILED( hr ) )
throw io::IOException(); // TODO: a specific exception that transport error code can be thrown here
// TODO: probably extents should be set here and stored in aRect
// TODO: probably the parent window also should be set
hr = m_pNativeImpl->m_pOleObject->DoVerb( nVerbID, nullptr, m_pOleWrapClientSite, 0, nullptr, nullptr );
if ( FAILED( hr ) )
throw io::IOException(); // TODO
}
void OleComponent::SetHostName( const OUString& aEmbDocName )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
m_pNativeImpl->m_pOleObject->SetHostNames( L"app name", o3tl::toW( aEmbDocName.getStr() ) );
}
void OleComponent::SetExtent( const awt::Size& aVisAreaSize, sal_Int64 nAspect )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects
SIZEL aSize = { aVisAreaSize.Width, aVisAreaSize.Height };
HRESULT hr = m_pNativeImpl->m_pOleObject->SetExtent( nMSAspect, &aSize );
if ( FAILED( hr ) )
{
// TODO/LATER: is it correct? In future user code probably should be ready for the exception.
// if the object is running but not activated, RPC_E_SERVER_DIED error code is returned by OLE package
// in this case just do nothing
// Also Visio returns E_FAIL on resize if it is in running state
// if ( hr != RPC_E_SERVER_DIED )
throw io::IOException(); // TODO
}
}
awt::Size OleComponent::GetExtent( sal_Int64 nAspect )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects
awt::Size aSize;
bool bGotSize = false;
if ( nMSAspect == DVASPECT_CONTENT )
{
// Try to get the size from the replacement image first
ComSmart< IDataObject > pDataObject;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IDataObject, reinterpret_cast<void**>(&pDataObject) );
if ( SUCCEEDED( hr ) || pDataObject )
{
STGMEDIUM aMedium;
FORMATETC aFormat = pFormatTemplates[1]; // use windows metafile format
aFormat.dwAspect = nMSAspect;
hr = pDataObject->GetData( &aFormat, &aMedium );
if ( SUCCEEDED( hr ) && aMedium.tymed == TYMED_MFPICT ) // Win Metafile
{
METAFILEPICT* pMF = static_cast<METAFILEPICT*>(GlobalLock( aMedium.hMetaFilePict ));
if ( pMF )
{
// the object uses 0.01 mm as unit, so the metafile size should be converted to object unit
sal_Int64 nMult = 1;
sal_Int64 nDiv = 1;
switch( pMF->mm )
{
case MM_HIENGLISH:
nMult = 254;
nDiv = 100;
break;
case MM_LOENGLISH:
nMult = 254;
nDiv = 10;
break;
case MM_LOMETRIC:
nMult = 10;
break;
case MM_TWIPS:
nMult = 254;
nDiv = 144;
break;
case MM_ISOTROPIC:
case MM_ANISOTROPIC:
case MM_HIMETRIC:
// do nothing
break;
}
sal_Int64 nX = static_cast<sal_Int64>(abs( pMF->xExt )) * nMult / nDiv;
sal_Int64 nY = static_cast<sal_Int64>(abs( pMF->yExt )) * nMult / nDiv;
if ( nX < SAL_MAX_INT32 && nY < SAL_MAX_INT32 )
{
aSize.Width = static_cast<sal_Int32>(nX);
aSize.Height = static_cast<sal_Int32>(nY);
bGotSize = true;
}
else
OSL_FAIL( "Unexpected size is provided!" );
}
}
// i113605, to release storage medium
if ( SUCCEEDED( hr ) )
::ReleaseStgMedium(&aMedium);
}
}
if ( !bGotSize )
throw lang::IllegalArgumentException();
return aSize;
}
awt::Size OleComponent::GetCachedExtent( sal_Int64 nAspect )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects
SIZEL aSize;
HRESULT hr = m_pNativeImpl->m_pViewObject2->GetExtent( nMSAspect, -1, nullptr, &aSize );
if ( FAILED( hr ) )
{
// TODO/LATER: is it correct?
// if there is no appropriate cache for the aspect, OLE_E_BLANK error code is returned
// if ( hr == OLE_E_BLANK )
// throw lang::IllegalArgumentException();
//else
// throw io::IOException(); // TODO
throw lang::IllegalArgumentException();
}
return awt::Size( aSize.cx, aSize.cy );
}
awt::Size OleComponent::GetRecommendedExtent( sal_Int64 nAspect )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
DWORD nMSAspect = static_cast<DWORD>(nAspect); // first 32 bits are for MS aspects
SIZEL aSize;
HRESULT hr = m_pNativeImpl->m_pOleObject->GetExtent( nMSAspect, &aSize );
if ( FAILED( hr ) )
throw lang::IllegalArgumentException();
return awt::Size( aSize.cx, aSize.cy );
}
sal_Int64 OleComponent::GetMiscStatus( sal_Int64 nAspect )
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
DWORD nResult;
m_pNativeImpl->m_pOleObject->GetMiscStatus( static_cast<DWORD>(nAspect), &nResult );
return static_cast<sal_Int64>(nResult); // first 32 bits are for MS flags
}
uno::Sequence< sal_Int8 > OleComponent::GetCLSID()
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
GUID aCLSID;
HRESULT hr = m_pNativeImpl->m_pOleObject->GetUserClassID( &aCLSID );
if ( FAILED( hr ) )
throw io::IOException(); // TODO:
return MimeConfigurationHelper::GetSequenceClassID( aCLSID.Data1, aCLSID.Data2, aCLSID.Data3,
aCLSID.Data4[0], aCLSID.Data4[1],
aCLSID.Data4[2], aCLSID.Data4[3],
aCLSID.Data4[4], aCLSID.Data4[5],
aCLSID.Data4[6], aCLSID.Data4[7] );
}
bool OleComponent::IsDirty()
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
if ( IsWorkaroundActive() )
return true;
ComSmart< IPersistStorage > pPersistStorage;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IPersistStorage, reinterpret_cast<void**>(&pPersistStorage) );
if ( FAILED( hr ) || !pPersistStorage )
throw io::IOException(); // TODO
hr = pPersistStorage->IsDirty();
return ( hr != S_FALSE );
}
void OleComponent::StoreOwnTmpIfNecessary()
{
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
ComSmart< IPersistStorage > pPersistStorage;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IPersistStorage, reinterpret_cast<void**>(&pPersistStorage) );
if ( FAILED( hr ) || !pPersistStorage )
throw io::IOException(); // TODO
if ( m_bWorkaroundActive || pPersistStorage->IsDirty() != S_FALSE )
{
hr = OleSave( pPersistStorage, m_pNativeImpl->m_pIStorage, TRUE );
if ( FAILED( hr ) )
{
// Till now was required only for AcrobatReader7.0.8
GUID aCLSID;
hr = m_pNativeImpl->m_pOleObject->GetUserClassID( &aCLSID );
if ( FAILED( hr ) )
throw io::IOException(); // TODO
hr = WriteClassStg( m_pNativeImpl->m_pIStorage, aCLSID );
if ( FAILED( hr ) )
throw io::IOException(); // TODO
// the result of the following call is not checked because some objects, for example AcrobatReader7.0.8
// return error even in case the saving was done correctly
hr = pPersistStorage->Save( m_pNativeImpl->m_pIStorage, TRUE );
// another workaround for AcrobatReader7.0.8 object, this object might think that it is not changed
// when it has been created from file, although it must be saved
m_bWorkaroundActive = true;
}
hr = m_pNativeImpl->m_pIStorage->Commit( STGC_DEFAULT );
if ( FAILED( hr ) )
throw io::IOException(); // TODO
hr = pPersistStorage->SaveCompleted( nullptr );
if ( FAILED( hr ) && hr != E_UNEXPECTED )
throw io::IOException(); // TODO
}
}
bool OleComponent::SaveObject_Impl()
{
bool bResult = false;
OleEmbeddedObject* pLockObject = nullptr;
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pUnoOleObject )
{
pLockObject = m_pUnoOleObject;
pLockObject->acquire();
}
}
if ( pLockObject )
{
bResult = pLockObject->SaveObject_Impl();
pLockObject->release();
}
return bResult;
}
bool OleComponent::OnShowWindow_Impl( bool bShow )
{
bool bResult = false;
OleEmbeddedObject* pLockObject = nullptr;
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pUnoOleObject )
{
pLockObject = m_pUnoOleObject;
pLockObject->acquire();
}
}
if ( pLockObject )
{
bResult = pLockObject->OnShowWindow_Impl( bShow );
pLockObject->release();
}
return bResult;
}
void OleComponent::OnViewChange_Impl( sal_uInt32 dwAspect )
{
// TODO: check if it is enough or may be saving notifications are required for Visio2000
::rtl::Reference< OleEmbeddedObject > xLockObject;
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pUnoOleObject )
xLockObject = m_pUnoOleObject;
}
if ( xLockObject.is() )
{
uno::Reference < awt::XRequestCallback > xRequestCallback(
m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.awt.AsyncCallback", m_xContext),
uno::UNO_QUERY );
xRequestCallback->addCallback( new MainThreadNotificationRequest( xLockObject, OLECOMP_ONVIEWCHANGE, dwAspect ), uno::Any() );
}
}
void OleComponent::OnClose_Impl()
{
::rtl::Reference< OleEmbeddedObject > xLockObject;
{
osl::MutexGuard aGuard( m_aMutex );
if ( m_pUnoOleObject )
xLockObject = m_pUnoOleObject;
}
if ( xLockObject.is() )
{
uno::Reference < awt::XRequestCallback > xRequestCallback(
m_xContext->getServiceManager()->createInstanceWithContext("com.sun.star.awt.AsyncCallback", m_xContext),
uno::UNO_QUERY );
xRequestCallback->addCallback( new MainThreadNotificationRequest( xLockObject, OLECOMP_ONCLOSE ), uno::Any() );
}
}
// XCloseable
void SAL_CALL OleComponent::close( sal_Bool bDeliverOwnership )
{
uno::Reference< uno::XInterface > xSelfHold;
{
osl::MutexGuard aGuard(m_aMutex);
if (m_bDisposed)
throw lang::DisposedException(); // TODO
xSelfHold.set(static_cast<::cppu::OWeakObject*>(this));
lang::EventObject aSource(static_cast<::cppu::OWeakObject*>(this));
if (m_pInterfaceContainer)
{
::cppu::OInterfaceContainerHelper* pContainer
= m_pInterfaceContainer->getContainer(cppu::UnoType<util::XCloseListener>::get());
if (pContainer != nullptr)
{
::cppu::OInterfaceIteratorHelper pIterator(*pContainer);
while (pIterator.hasMoreElements())
{
try
{
static_cast<util::XCloseListener*>(pIterator.next())
->queryClosing(aSource, bDeliverOwnership);
}
catch (const uno::RuntimeException&)
{
pIterator.remove();
}
}
}
pContainer
= m_pInterfaceContainer->getContainer(cppu::UnoType<util::XCloseListener>::get());
if (pContainer != nullptr)
{
::cppu::OInterfaceIteratorHelper pCloseIterator(*pContainer);
while (pCloseIterator.hasMoreElements())
{
try
{
static_cast<util::XCloseListener*>(pCloseIterator.next())
->notifyClosing(aSource);
}
catch (const uno::RuntimeException&)
{
pCloseIterator.remove();
}
}
}
}
}
Dispose();
}
void SAL_CALL OleComponent::addCloseListener( const uno::Reference< util::XCloseListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pInterfaceContainer )
m_pInterfaceContainer = new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex );
m_pInterfaceContainer->addInterface( cppu::UnoType<util::XCloseListener>::get(), xListener );
}
void SAL_CALL OleComponent::removeCloseListener( const uno::Reference< util::XCloseListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_pInterfaceContainer )
m_pInterfaceContainer->removeInterface( cppu::UnoType<util::XCloseListener>::get(),
xListener );
}
// XTransferable
uno::Any SAL_CALL OleComponent::getTransferData( const datatransfer::DataFlavor& aFlavor )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
uno::Any aResult;
bool bSupportedFlavor = false;
if ( m_pNativeImpl->GraphicalFlavor( aFlavor ) )
{
DWORD nRequestedAspect = GetAspectFromFlavor( aFlavor );
// if own icon is set and icon aspect is requested the own icon can be returned directly
ComSmart< IDataObject > pDataObject;
HRESULT hr = m_pNativeImpl->m_pObj->QueryInterface( IID_IDataObject, reinterpret_cast<void**>(&pDataObject) );
if ( FAILED( hr ) || !pDataObject )
throw io::IOException(); // TODO: transport error code
// The following optimization does not make much sense currently just because
// only one aspect is supported, and only three formats for the aspect are supported
// and moreover it is not guaranteed that the once returned format will be supported further
// example - i52106
// TODO/LATER: bring the optimization back when other aspects are supported
// FORMATETC* pFormatEtc = m_pNativeImpl->GetSupportedFormatForAspect( nRequestedAspect );
// if ( pFormatEtc )
// {
// STGMEDIUM aMedium;
// hr = pDataObject->GetData( pFormatEtc, &aMedium );
// if ( SUCCEEDED( hr ) )
// bSupportedFlavor = m_pNativeImpl->ConvertDataForFlavor( aMedium, aFlavor, aResult );
// }
// else
{
// the supported format of the application is still not found, find one
for ( sal_Int32 nInd = 0; nInd < FORMATS_NUM; nInd++ )
{
STGMEDIUM aMedium;
FORMATETC aFormat = pFormatTemplates[nInd];
aFormat.dwAspect = nRequestedAspect;
hr = pDataObject->GetData( &aFormat, &aMedium );
if ( SUCCEEDED( hr ) )
{
bSupportedFlavor = m_pNativeImpl->ConvertDataForFlavor( aMedium, aFlavor, aResult );
::ReleaseStgMedium(&aMedium); // i113605, to release storage medium
if ( bSupportedFlavor )
{
// TODO/LATER: bring the optimization back when other aspects are supported
// m_pNativeImpl->AddSupportedFormat( aFormat );
break;
}
}
}
}
// If the replacement could not be retrieved, the cached representation should be used
// currently it is not necessary to retrieve it here, so it is implemented in the object itself
}
// TODO: Investigate if there is already the format name
// and whether this format is really required
else if ( aFlavor.DataType == cppu::UnoType<io::XInputStream>::get()
&& aFlavor.MimeType == "application/x-openoffice-contentstream" )
{
// allow to retrieve stream-representation of the object persistence
bSupportedFlavor = true;
uno::Reference < io::XStream > xTempFileStream(
io::TempFile::create(m_xContext),
uno::UNO_QUERY_THROW );
uno::Reference< io::XOutputStream > xTempOutStream = xTempFileStream->getOutputStream();
uno::Reference< io::XInputStream > xTempInStream = xTempFileStream->getInputStream();
if ( !(xTempOutStream.is() && xTempInStream.is()) )
throw io::IOException(); // TODO:
OSL_ENSURE( m_pUnoOleObject, "Unexpected object absence!" );
if ( !m_pUnoOleObject )
throw uno::RuntimeException();
m_pUnoOleObject->StoreObjectToStream( xTempOutStream );
xTempOutStream->closeOutput();
xTempOutStream.clear();
aResult <<= xTempInStream;
}
if ( !bSupportedFlavor )
throw datatransfer::UnsupportedFlavorException();
return aResult;
}
uno::Sequence< datatransfer::DataFlavor > SAL_CALL OleComponent::getTransferDataFlavors()
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
RetrieveObjectDataFlavors_Impl();
return m_aDataFlavors;
}
sal_Bool SAL_CALL OleComponent::isDataFlavorSupported( const datatransfer::DataFlavor& aFlavor )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pNativeImpl->m_pOleObject )
throw embed::WrongStateException(); // TODO: the object is in wrong state
if ( !m_aDataFlavors.getLength() )
{
RetrieveObjectDataFlavors_Impl();
}
for ( auto const & supportedFormat : std::as_const(m_aDataFlavors) )
if ( supportedFormat.MimeType.equals( aFlavor.MimeType ) && supportedFormat.DataType == aFlavor.DataType )
return true;
return false;
}
void SAL_CALL OleComponent::dispose()
{
try
{
close( true );
}
catch ( const uno::Exception& )
{
}
}
void SAL_CALL OleComponent::addEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pInterfaceContainer )
m_pInterfaceContainer = new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex );
m_pInterfaceContainer->addInterface( cppu::UnoType<lang::XEventListener>::get(), xListener );
}
void SAL_CALL OleComponent::removeEventListener( const uno::Reference< lang::XEventListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_pInterfaceContainer )
m_pInterfaceContainer->removeInterface( cppu::UnoType<lang::XEventListener>::get(),
xListener );
}
sal_Int64 SAL_CALL OleComponent::getSomething( const css::uno::Sequence< sal_Int8 >& aIdentifier )
{
try
{
uno::Sequence < sal_Int8 > aCLSID = GetCLSID();
if ( MimeConfigurationHelper::ClassIDsEqual( aIdentifier, aCLSID ) )
return reinterpret_cast<sal_Int64>(static_cast<IUnknown*>(m_pNativeImpl->m_pObj));
// compatibility hack for old versions: CLSID was used in wrong order (SvGlobalName order)
sal_Int32 nLength = aIdentifier.getLength();
if ( nLength == 16 )
{
for ( sal_Int32 n=8; n<16; n++ )
if ( aIdentifier[n] != aCLSID[n] )
return 0;
if ( aIdentifier[7] == aCLSID[6] &&
aIdentifier[6] == aCLSID[7] &&
aIdentifier[5] == aCLSID[4] &&
aIdentifier[4] == aCLSID[5] &&
aIdentifier[3] == aCLSID[0] &&
aIdentifier[2] == aCLSID[1] &&
aIdentifier[1] == aCLSID[2] &&
aIdentifier[0] == aCLSID[3] )
return reinterpret_cast<sal_Int64>(static_cast<IUnknown*>(m_pNativeImpl->m_pObj));
}
}
catch ( const uno::Exception& )
{
}
return 0;
}
sal_Bool SAL_CALL OleComponent::isModified()
{
return m_bModified;
}
void SAL_CALL OleComponent::setModified( sal_Bool bModified )
{
m_bModified = bModified;
if ( bModified && m_pInterfaceContainer )
{
::cppu::OInterfaceContainerHelper* pContainer =
m_pInterfaceContainer->getContainer( cppu::UnoType<util::XModifyListener>::get());
if ( pContainer != nullptr )
{
::cppu::OInterfaceIteratorHelper pIterator( *pContainer );
while ( pIterator.hasMoreElements() )
{
try
{
lang::EventObject aEvent( static_cast<util::XModifiable*>(this) );
static_cast<util::XModifyListener*>(pIterator.next())->modified( aEvent );
}
catch( const uno::RuntimeException& )
{
pIterator.remove();
}
}
}
}
}
void SAL_CALL OleComponent::addModifyListener( const css::uno::Reference < css::util::XModifyListener >& xListener )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( !m_pInterfaceContainer )
m_pInterfaceContainer = new ::cppu::OMultiTypeInterfaceContainerHelper( m_aMutex );
m_pInterfaceContainer->addInterface( cppu::UnoType<util::XModifyListener>::get(), xListener );
}
void SAL_CALL OleComponent::removeModifyListener( const css::uno::Reference < css::util::XModifyListener >& xListener)
{
::osl::MutexGuard aGuard( m_aMutex );
if ( m_bDisposed )
throw lang::DisposedException(); // TODO
if ( m_pInterfaceContainer )
m_pInterfaceContainer->removeInterface( cppu::UnoType<util::XModifyListener>::get(),
xListener );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */