lok clipboard: support rich text paste

Change-Id: Ida5028969782be792b32b952d3adba0c30dd8bae
(cherry picked from commit faa316e6)

desktop/qa/desktop_lib/test_desktop_lib.cxx

@@ -338,7 +338,10 @@ void DesktopLOKTest::testPasteWriter()
     CPPUNIT_ASSERT_EQUAL(OString("hello"), OString(pText));
     free(pText);
 
+    // textt/plain should be rejected.
     CPPUNIT_ASSERT(!pDocument->pClass->paste(pDocument, "textt/plain;charset=utf-8", aText.getStr(), aText.getLength()));
+    // Writer is expected to support text/html.
+    CPPUNIT_ASSERT(pDocument->pClass->paste(pDocument, "text/html", aText.getStr(), aText.getLength()));
 
     comphelper::LibreOfficeKit::setActive(false);
 }

desktop/source/lib/lokclipboard.cxx

@@ -32,7 +32,7 @@ OUString SAL_CALL LOKClipboard::getName() throw (uno::RuntimeException, std::exc
 
 LOKTransferable::LOKTransferable(const char* pMimeType, const char* pData, size_t nSize)
     : m_aMimeType(pMimeType),
-      m_aText(pData, nSize)
+      m_aSequence(reinterpret_cast<const sal_Int8*>(pData), nSize)
 {
 }
 
@@ -40,8 +40,13 @@ uno::Any SAL_CALL LOKTransferable::getTransferData(const datatransfer::DataFlavo
 throw(datatransfer::UnsupportedFlavorException, io::IOException, uno::RuntimeException, std::exception)
 {
     uno::Any aRet;
-    if (m_aMimeType == "text/plain;charset=utf-8" && rFlavor.MimeType == "text/plain;charset=utf-16")
-        aRet <<= OStringToOUString(m_aText, RTL_TEXTENCODING_UTF8);
+    if (rFlavor.DataType == cppu::UnoType<OUString>::get())
+    {
+        sal_Char* pText = reinterpret_cast<sal_Char*>(m_aSequence.getArray());
+        aRet <<= OUString(pText, rtl_str_getLength(pText), RTL_TEXTENCODING_UTF8);
+    }
+    else
+        aRet <<= m_aSequence;
     return aRet;
 }
 

desktop/source/lib/lokclipboard.hxx

@@ -35,7 +35,7 @@ public:
 class LOKTransferable : public cppu::WeakImplHelper<css::datatransfer::XTransferable>
 {
     OString m_aMimeType;
-    OString m_aText;
+    css::uno::Sequence<sal_Int8> m_aSequence;
 
     /// Provides a list of flavors, used by getTransferDataFlavors() and isDataFlavorSupported().
     std::vector<css::datatransfer::DataFlavor> getTransferDataFlavorsAsVector();