lok::Document::paste: check if the given mime type is supported

Change-Id: Ib59ea43700815c53cdd4be819e2e9cf35c6f89e9

desktop/qa/desktop_lib/test_desktop_lib.cxx

@@ -331,12 +331,15 @@ void DesktopLOKTest::testPasteWriter()
     LibLODocument_Impl* pDocument = loadDoc("blank_text.odt");
     OString aText("hello");
 
-    pDocument->pClass->paste(pDocument, "text/plain;charset=utf-8", aText.getStr(), aText.getLength());
+    CPPUNIT_ASSERT(pDocument->pClass->paste(pDocument, "text/plain;charset=utf-8", aText.getStr(), aText.getLength()));
 
     pDocument->pClass->postUnoCommand(pDocument, ".uno:SelectAll", 0);
     char* pText = pDocument->pClass->getTextSelection(pDocument, "text/plain;charset=utf-8", 0);
     CPPUNIT_ASSERT_EQUAL(OString("hello"), OString(pText));
     free(pText);
+
+    CPPUNIT_ASSERT(!pDocument->pClass->paste(pDocument, "textt/plain;charset=utf-8", aText.getStr(), aText.getLength()));
+
     comphelper::LibreOfficeKit::setActive(false);
 }
 

desktop/source/lib/init.cxx

@@ -1017,6 +1017,13 @@ static bool doc_paste(LibreOfficeKitDocument* pThis, const char* pMimeType, cons
     }
 
     pWindow->SetClipboard(xClipboard);
+    if (!pDoc->isMimeTypeSupported())
+    {
+        if (gImpl)
+            gImpl->maLastExceptionMsg = "Document doesn't support this mime type";
+        return false;
+    }
+
     OUString aCommand(".uno:Paste");
     uno::Sequence<beans::PropertyValue> aPropertyValues;
     if (!comphelper::dispatchCommand(aCommand, aPropertyValues))

include/vcl/ITiledRenderable.hxx

@@ -150,6 +150,11 @@ public:
 
     /// Returns the current vcl::Window of the component.
     virtual vcl::Window* getWindow() = 0;
+
+    virtual bool isMimeTypeSupported()
+    {
+        return false;
+    }
 };
 
 } // namespace vcl

sw/inc/unotxdoc.hxx

@@ -433,6 +433,8 @@ public:
     virtual OUString getPartPageRectangles() override;
     /// @see vcl::ITiledRenderable::getWindow().
     virtual vcl::Window* getWindow() override;
+    /// @see vcl::ITiledRenderable::isMimeTypeSupported().
+    virtual bool isMimeTypeSupported() override;
 
     // ::com::sun::star::tiledrendering::XTiledRenderable
     virtual void SAL_CALL paintTile( const ::css::uno::Any& Parent, ::sal_Int32 nOutputWidth, ::sal_Int32 nOutputHeight, ::sal_Int32 nTilePosX, ::sal_Int32 nTilePosY, ::sal_Int32 nTileWidth, ::sal_Int32 nTileHeight ) throw (::css::uno::RuntimeException, ::std::exception) override;

sw/source/uibase/uno/unotxdoc.cxx

@@ -3189,6 +3189,16 @@ vcl::Window* SwXTextDocument::getWindow()
     return &pDocShell->GetView()->GetEditWin();
 }
 
+bool SwXTextDocument::isMimeTypeSupported()
+{
+    SwWrtShell* pWrtShell = pDocShell->GetWrtShell();
+    if (!pWrtShell)
+        return false;
+
+    TransferableDataHelper aDataHelper(TransferableDataHelper::CreateFromSystemClipboard(&pWrtShell->GetView().GetEditWin()));
+    return aDataHelper.GetXTransferable().is() && SwTransferable::IsPaste(*pWrtShell, aDataHelper);
+}
+
 int SwXTextDocument::getPart()
 {
     SolarMutexGuard aGuard;