vcl/aqua/source/dtrans/OSXTransferable.cxx

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