dtrans/source/aqua/OSXTransferable.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_dtrans.hxx"
  33 #include <sal/types.h>
  34
  35 #ifndef _TRANSFERABLE_HXX_
  36 #include "OSXTransferable.hxx"
  37 #endif
  38
  39 #include "DataFlavorMapping.hxx"
  40
  41 using namespace rtl;
  42 using namespace std;
  43 using namespace osl;
  44 using namespace cppu;
  45 using namespace com::sun::star::uno;
  46 using namespace com::sun::star::datatransfer;
  47 using namespace com::sun::star::io;
  48 using namespace com::sun::star::lang;
  49 using namespace com::sun::star::container;
  50
  51 const Type CPPUTYPE_SEQINT8  = getCppuType((Sequence<sal_Int8>*)0);
  52 const Type CPPUTYPE_OUSTRING = getCppuType((OUString*)0);
  53
  54 namespace // private
  55 {
  56     bool isValidFlavor( const DataFlavor& aFlavor )
  57     {
  58       size_t len = aFlavor.MimeType.getLength();
  59       Type dtype = aFlavor.DataType;
  60       return ((len > 0) && ((dtype == CPPUTYPE_SEQINT8) || (dtype == CPPUTYPE_OUSTRING)));
  61     }
  62
  63 } // namespace private
  64
  65
  66 OSXTransferable::OSXTransferable(const Reference< XComponentContext >& context,
  67                                  const Reference<XMimeContentTypeFactory> rXMimeCntFactory,
  68                                  DataFlavorMapperPtr_t pDataFlavorMapper,
  69                                  NSPasteboard* pasteboard) :
  70   mXComponentContext(context),
  71   mrXMimeCntFactory(rXMimeCntFactory),
  72   mDataFlavorMapper(pDataFlavorMapper),
  73   mPasteboard(pasteboard)
  74 {
  75   [mPasteboard retain];
  76
  77   initClipboardItemList();
  78 }
  79
  80
  81 OSXTransferable::~OSXTransferable()
  82 {
  83   [mPasteboard release];
  84 }
  85
  86
  87 Any SAL_CALL OSXTransferable::getTransferData( const DataFlavor& aFlavor )
  88   throw( UnsupportedFlavorException, IOException, RuntimeException )
  89 {
  90   if (!isValidFlavor(aFlavor) || !isDataFlavorSupported(aFlavor))
  91     {
  92       throw UnsupportedFlavorException(OUString(RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Unsupported data flavor")),
  93                                        static_cast<XTransferable*>(this));
  94     }
  95
  96   NSString* sysFormat = (NSString*)mDataFlavorMapper->openOfficeToSystemFlavor(aFlavor);
  97   DataProviderPtr_t dp;
  98
  99   if ([sysFormat caseInsensitiveCompare: NSFilenamesPboardType] == NSOrderedSame)
 100     {
 101       NSArray* sysData = [mPasteboard propertyListForType: sysFormat];
 102       dp = mDataFlavorMapper->getDataProvider(sysFormat, sysData);
 103     }
 104   else
 105     {
 106       NSData* sysData = [mPasteboard dataForType: sysFormat];
 107       dp = mDataFlavorMapper->getDataProvider(sysFormat, sysData);
 108     }
 109
 110   if (dp.get() == NULL)
 111     {
 112       throw UnsupportedFlavorException(OUString(RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Unsupported data flavor")),
 113                                        static_cast<XTransferable*>(this));
 114     }
 115
 116   return dp->getOOoData();
 117 }
 118
 119
 120 bool OSXTransferable::isUnicodeText(const DataFlavor& flavor)
 121 {
 122   return (flavor.DataType == CPPUTYPE_OUSTRING);
 123 }
 124
 125
 126 Sequence< DataFlavor > SAL_CALL OSXTransferable::getTransferDataFlavors(  )
 127     throw( RuntimeException )
 128 {
 129   return mFlavorList;
 130 }
 131
 132
 133 sal_Bool SAL_CALL OSXTransferable::isDataFlavorSupported(const DataFlavor& aFlavor)
 134     throw( RuntimeException )
 135 {
 136     for (sal_Int32 i = 0; i < mFlavorList.getLength(); i++)
 137       if (compareDataFlavors(aFlavor, mFlavorList[i]))
 138         return sal_True;
 139
 140     return sal_False;
 141 }
 142
 143
 144 void OSXTransferable::initClipboardItemList()
 145 {
 146   NSArray* pboardFormats = [mPasteboard types];
 147
 148   if (pboardFormats == NULL)
 149     {
 150       throw RuntimeException(OUString(RTL_CONSTASCII_USTRINGPARAM("AquaClipboard: Cannot get clipboard data")),
 151                              static_cast<XTransferable*>(this));
 152     }
 153
 154   mFlavorList = mDataFlavorMapper->typesArrayToFlavorSequence(pboardFormats);
 155 }
 156
 157
 158 /* Compares two DataFlavors. Returns true if both DataFlavor have the same media type
 159    and the number of parameter and all parameter values do match otherwise false
 160    is returned.
 161  */
 162 bool OSXTransferable::compareDataFlavors(const DataFlavor& lhs, const DataFlavor& rhs )
 163 {
 164     try
 165     {
 166         Reference<XMimeContentType> xLhs(mrXMimeCntFactory->createMimeContentType(lhs.MimeType));
 167         Reference<XMimeContentType> xRhs(mrXMimeCntFactory->createMimeContentType(rhs.MimeType));
 168
 169         if (!xLhs->getFullMediaType().equalsIgnoreAsciiCase(xRhs->getFullMediaType()) ||
 170             !cmpAllContentTypeParameter(xLhs, xRhs))
 171           {
 172             return false;
 173           }
 174     }
 175     catch( IllegalArgumentException& )
 176     {
 177         OSL_ENSURE( sal_False, "Invalid content type detected" );
 178         return false;
 179     }
 180
 181     return true;
 182 }
 183
 184
 185 bool OSXTransferable::cmpAllContentTypeParameter(const Reference<XMimeContentType> xLhs,
 186                                                const Reference<XMimeContentType> xRhs) const
 187 {
 188   Sequence<OUString> xLhsFlavors = xLhs->getParameters();
 189   Sequence<OUString> xRhsFlavors = xRhs->getParameters();
 190
 191   // Stop here if the number of parameters is different already
 192   if (xLhsFlavors.getLength() != xRhsFlavors.getLength())
 193     return false;
 194
 195   try
 196     {
 197       OUString pLhs;
 198       OUString pRhs;
 199
 200       for (sal_Int32 i = 0; i < xLhsFlavors.getLength(); i++)
 201         {
 202           pLhs = xLhs->getParameterValue(xLhsFlavors[i]);
 203           pRhs = xRhs->getParameterValue(xLhsFlavors[i]);
 204
 205           if (!pLhs.equalsIgnoreAsciiCase(pRhs))
 206             {
 207               return false;
 208             }
 209         }
 210     }
 211   catch(IllegalArgumentException&)
 212     {
 213       return false;
 214     }
 215
 216   return true;
 217 }