dtrans/source/win32/dtobj/XNotifyingDataObject.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_dtrans.hxx"
  33 #include <osl/diagnose.h>
  34 #include "XNotifyingDataObject.hxx"
  35 #include "..\clipb\WinClipbImpl.hxx"
  36 #include "..\clipb\WinClipboard.hxx"
  37 #include "..\..\inc\DtObjFactory.hxx"
  38
  39 #ifdef __MINGW32__
  40 #define __uuidof(I) IID_##I
  41 #endif
  42
  43 using namespace com::sun::star::datatransfer;
  44 using namespace com::sun::star::datatransfer::clipboard;
  45 using com::sun::star::uno::RuntimeException;
  46 using com::sun::star::uno::Reference;
  47
  48
  49 CXNotifyingDataObject::CXNotifyingDataObject(
  50     const IDataObjectPtr& aIDataObject,
  51     const Reference< XTransferable >& aXTransferable,
  52     const Reference< XClipboardOwner >& aXClipOwner,
  53     CWinClipbImpl* theWinClipImpl ) :
  54     m_nRefCnt( 0 ),
  55     m_aIDataObject( aIDataObject ),
  56     m_XTransferable( aXTransferable ),
  57     m_XClipboardOwner( aXClipOwner ),
  58     m_pWinClipImpl( theWinClipImpl )
  59 {
  60 }
  61
  62 STDMETHODIMP CXNotifyingDataObject::QueryInterface( REFIID iid, LPVOID* ppvObject )
  63 {
  64     if ( NULL == ppvObject )
  65         return E_INVALIDARG;
  66
  67     HRESULT hr = E_NOINTERFACE;
  68
  69     *ppvObject = NULL;
  70     if ( ( __uuidof( IUnknown ) == iid ) ||
  71          ( __uuidof( IDataObject ) == iid ) )
  72     {
  73         *ppvObject = static_cast< IUnknown* >( this );
  74         ( (LPUNKNOWN)*ppvObject )->AddRef( );
  75         hr = S_OK;
  76     }
  77
  78     return hr;
  79 }
  80
  81 STDMETHODIMP_(ULONG) CXNotifyingDataObject::AddRef( )
  82 {
  83     return static_cast< ULONG >( InterlockedIncrement( &m_nRefCnt ) );
  84 }
  85
  86 STDMETHODIMP_(ULONG) CXNotifyingDataObject::Release( )
  87 {
  88     ULONG nRefCnt =
  89         static_cast< ULONG >( InterlockedDecrement( &m_nRefCnt ) );
  90
  91     if ( 0 == nRefCnt )
  92     {
  93         if ( m_pWinClipImpl )
  94             m_pWinClipImpl->onReleaseDataObject( this );
  95
  96         delete this;
  97     }
  98
  99     return nRefCnt;
 100 }
 101
 102 STDMETHODIMP CXNotifyingDataObject::GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium )
 103 {
 104     return m_aIDataObject->GetData(pFormatetc, pmedium);
 105 }
 106
 107 STDMETHODIMP CXNotifyingDataObject::EnumFormatEtc(
 108     DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc )
 109 {
 110     return m_aIDataObject->EnumFormatEtc(dwDirection, ppenumFormatetc);
 111 }
 112
 113 STDMETHODIMP CXNotifyingDataObject::QueryGetData( LPFORMATETC pFormatetc )
 114 {
 115     return m_aIDataObject->QueryGetData(pFormatetc);
 116 }
 117
 118 STDMETHODIMP CXNotifyingDataObject::GetDataHere( LPFORMATETC lpFetc, LPSTGMEDIUM lpStgMedium )
 119 {
 120     return m_aIDataObject->GetDataHere(lpFetc, lpStgMedium);
 121 }
 122
 123 STDMETHODIMP CXNotifyingDataObject::GetCanonicalFormatEtc( LPFORMATETC lpFetc, LPFORMATETC lpCanonicalFetc )
 124 {
 125     return m_aIDataObject->GetCanonicalFormatEtc(lpFetc, lpCanonicalFetc);
 126 }
 127
 128 STDMETHODIMP CXNotifyingDataObject::SetData( LPFORMATETC lpFetc, LPSTGMEDIUM lpStgMedium, BOOL bRelease )
 129 {
 130     return m_aIDataObject->SetData( lpFetc, lpStgMedium, bRelease );
 131 }
 132
 133 STDMETHODIMP CXNotifyingDataObject::DAdvise(
 134     LPFORMATETC lpFetc, DWORD advf, LPADVISESINK lpAdvSink, DWORD* pdwConnection )
 135 {
 136     return m_aIDataObject->DAdvise( lpFetc, advf, lpAdvSink, pdwConnection );
 137 }
 138
 139 STDMETHODIMP CXNotifyingDataObject::DUnadvise( DWORD dwConnection )
 140 {
 141     return m_aIDataObject->DUnadvise( dwConnection );
 142 }
 143
 144 STDMETHODIMP CXNotifyingDataObject::EnumDAdvise( LPENUMSTATDATA * ppenumAdvise )
 145 {
 146     return m_aIDataObject->EnumDAdvise( ppenumAdvise );
 147 }
 148
 149 CXNotifyingDataObject::operator IDataObject*( )
 150 {
 151     return static_cast< IDataObject* >( this );
 152 }
 153
 154 void SAL_CALL CXNotifyingDataObject::lostOwnership( )
 155 {
 156     try
 157     {
 158         if (m_XClipboardOwner.is())
 159             m_XClipboardOwner->lostOwnership(
 160                 static_cast<XClipboardEx*>(m_pWinClipImpl->m_pWinClipboard ), m_XTransferable);
 161     }
 162     catch(RuntimeException&)
 163     {
 164         OSL_ENSURE( sal_False, "RuntimeException caught" );
 165     }
 166 }