Move copy/paste classification check from sw to sfx2

So that it's easy to unit test it and other apps can use it as well in
the future.

Change-Id: I38d601924b7fbb17615ff6e9c031a71b40777c4c
(cherry picked from commit 76e2cede5a415df8d3e7a874f56be7a0b5953e12)

1 files changed, 11 insertions, 18 deletions

diff --git a/sw/source/uibase/dochdl/swdtflvr.cxx b/sw/source/uibase/dochdl/swdtflvr.cxx
index a6ec09f609c1..932ecf1276da 100644
--- a/sw/source/uibase/dochdl/swdtflvr.cxx
+++ b/sw/source/uibase/dochdl/swdtflvr.cxx
@@ -3238,33 +3238,26 @@ bool lcl_checkClassification(SwDoc* pSourceDoc, SwDoc* pDestinationDoc)
     if (!pSourceShell || !pDestinationShell)
         return true;
 
-    bool bSourceClassified = SfxClassificationHelper::IsClassified(*pSourceShell);
-    if (!bSourceClassified)
-        // No classification on the source side. Return early, regardless the
-        // state of the destination side.
+    switch (SfxClassificationHelper::CheckPaste(*pSourceShell, *pDestinationShell))
+    {
+    case SfxClassificationCheckPasteResult::None:
+    {
         return true;
-
-    bool bDestinationClassified = SfxClassificationHelper::IsClassified(*pDestinationShell);
-    if (bSourceClassified && !bDestinationClassified)
+    }
+    break;
+    case SfxClassificationCheckPasteResult::TargetDocNotClassified:
     {
-        // Paste from a classified document to a non-classified one -> deny.
         ScopedVclPtrInstance<MessageDialog>::Create(nullptr, SW_RES(STR_TARGET_DOC_NOT_CLASSIFIED), VCL_MESSAGE_INFO)->Execute();
         return false;
     }
-
-    // Remaining case: paste between two classified documents.
-    SfxClassificationHelper aSource(*pSourceShell);
-    SfxClassificationHelper aDestination(*pDestinationShell);
-    if (aSource.GetImpactScale() != aDestination.GetImpactScale())
-        // It's possible to compare them if they have the same scale.
-        return true;
-
-    if (aSource.GetImpactLevel() > aDestination.GetImpactLevel())
+    break;
+    case SfxClassificationCheckPasteResult::DocClassificationTooLow:
     {
-        // Paste from a doc that has higher classification -> deny.
         ScopedVclPtrInstance<MessageDialog>::Create(nullptr, SW_RES(STR_DOC_CLASSIFICATION_TOO_LOW), VCL_MESSAGE_INFO)->Execute();
         return false;
     }
+    break;
+    }
 
     return true;
 }