sc: implement vcl::ITiledRenderable::isMimeTypeSupported()

Change-Id: I0b9de068ddf0f4ff92d8fbf003b7529516f1f80a

include/vcl/ITiledRenderable.hxx

@@ -151,10 +151,8 @@ public:
     /// Returns the current vcl::Window of the component.
     virtual vcl::Window* getWindow() = 0;
 
-    virtual bool isMimeTypeSupported()
-    {
-        return false;
-    }
+    /// If the current contents of the clipboard is something we can paste.
+    virtual bool isMimeTypeSupported() = 0;
 };
 
 } // namespace vcl

sc/inc/docuno.hxx

@@ -415,6 +415,9 @@ public:
 
     /// @see vcl::ITiledRenderable::getWindow().
     virtual vcl::Window* getWindow() override;
+
+    /// @see vcl::ITiledRenderable::isMimeTypeSupported().
+    virtual bool isMimeTypeSupported() override;
 };
 
 class ScDrawPagesObj : public cppu::WeakImplHelper<

sc/source/ui/unoobj/docuno.cxx

@@ -856,6 +856,19 @@ vcl::Window* ScModelObj::getWindow()
     return pViewData->GetActiveWin();
 }
 
+bool ScModelObj::isMimeTypeSupported()
+{
+    SolarMutexGuard aGuard;
+
+    ScViewData* pViewData = ScDocShell::GetViewData();
+    if (!pViewData)
+        return 0;
+
+
+    TransferableDataHelper aDataHelper(TransferableDataHelper::CreateFromSystemClipboard(pViewData->GetActiveWin()));
+    return EditEngine::HasValidData(aDataHelper.GetTransferable());
+}
+
 void ScModelObj::initializeForTiledRendering()
 {
     SolarMutexGuard aGuard;

sw/source/uibase/uno/unotxdoc.cxx

@@ -3191,6 +3191,8 @@ vcl::Window* SwXTextDocument::getWindow()
 
 bool SwXTextDocument::isMimeTypeSupported()
 {
+    SolarMutexGuard aGuard;
+
     SwWrtShell* pWrtShell = pDocShell->GetWrtShell();
     if (!pWrtShell)
         return false;