sd: implement vcl::ITiledRenderable::isMimeTypeSupported()

(cherry picked from commit b08546eb)

Conflicts:
	sd/source/ui/inc/unomodel.hxx

Change-Id: I528ac9f9f687d2940c6477b1d33264f1e523051f

sd/source/ui/inc/unomodel.hxx

@@ -260,6 +260,8 @@ public:
     virtual void resetSelection() SAL_OVERRIDE;
     /// @see vcl::ITiledRenderable::getWindow().
     virtual vcl::Window* getWindow() SAL_OVERRIDE;
+    /// @see vcl::ITiledRenderable::isMimeTypeSupported().
+    virtual bool isMimeTypeSupported() SAL_OVERRIDE;
 
     // XComponent
 

sd/source/ui/unoidl/unomodel.cxx

@@ -2550,6 +2550,17 @@ vcl::Window* SdXImpressDocument::getWindow()
     return pViewShell->GetActiveWindow();
 }
 
+bool SdXImpressDocument::isMimeTypeSupported()
+{
+    SolarMutexGuard aGuard;
+    DrawViewShell* pViewShell = GetViewShell();
+    if (!pViewShell)
+        return false;
+
+    TransferableDataHelper aDataHelper(TransferableDataHelper::CreateFromSystemClipboard(pViewShell->GetActiveWindow()));
+    return EditEngine::HasValidData(aDataHelper.GetTransferable());
+}
+
 uno::Reference< i18n::XForbiddenCharacters > SdXImpressDocument::getForbiddenCharsTable()
 {
     uno::Reference< i18n::XForbiddenCharacters > xForb(mxForbidenCharacters);