Add document-level option to lock down content extraction

Setting this option will prevent copying/dragging any content from LO
to another program or even another LO window.

Change-Id: Ifbc032a4fa69ac1a17d4b500f5a30f5399d84ed7
Reviewed-on: https://gerrit.libreoffice.org/80586
Tested-by: Jenkins
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>

3 files changed, 34 insertions, 1 deletions

diff --git a/sfx2/source/appl/appuno.cxx b/sfx2/source/appl/appuno.cxx
index 649c18952701..6c70975db7a1 100644
--- a/sfx2/source/appl/appuno.cxx
+++ b/sfx2/source/appl/appuno.cxx
@@ -169,6 +169,7 @@ static char const sFailOnWarning[] = "FailOnWarning";
 static char const sDocumentService[] = "DocumentService";
 static char const sFilterProvider[] = "FilterProvider";
 static char const sImageFilter[] = "ImageFilter";
+static char const sLockContentExtraction[] = "LockContentExtraction";
 
 static bool isMediaDescriptor( sal_uInt16 nSlotId )
 {
@@ -845,6 +846,14 @@ void TransformParameters( sal_uInt16 nSlotId, const uno::Sequence<beans::Propert
                 if (bOK)
                     rSet.Put(SfxStringItem(SID_FILTER_PROVIDER, aVal));
             }
+            else if (aName == sLockContentExtraction)
+            {
+                bool bVal = false;
+                bool bOK = (rProp.Value >>= bVal);
+                DBG_ASSERT( bOK, "invalid type for LockContentExtraction" );
+                if (bOK)
+                    rSet.Put( SfxBoolItem( SID_LOCK_CONTENT_EXTRACTION, bVal ) );
+            }
 #ifdef DBG_UTIL
             else
                 --nFoundArgs;
@@ -1614,6 +1623,11 @@ void TransformItems( sal_uInt16 nSlotId, const SfxItemSet& rSet, uno::Sequence<b
             pValue[nActProp].Name = sImageFilter;
             pValue[nActProp++].Value <<= static_cast<const SfxStringItem*>(pItem)->GetValue();
         }
+        if ( rSet.GetItemState( SID_LOCK_CONTENT_EXTRACTION, false, &pItem ) == SfxItemState::SET )
+        {
+            pValue[nActProp].Name = sLockContentExtraction;
+            pValue[nActProp++].Value <<= static_cast<const SfxBoolItem*>(pItem)->GetValue() ;
+        }
     }
 
     rArgs = aSequ;
diff --git a/sfx2/source/doc/sfxbasemodel.cxx b/sfx2/source/doc/sfxbasemodel.cxx
index cc2aae255542..f4019db6b98d 100644
--- a/sfx2/source/doc/sfxbasemodel.cxx
+++ b/sfx2/source/doc/sfxbasemodel.cxx
@@ -1062,16 +1062,23 @@ void SAL_CALL SfxBaseModel::setArgs(const Sequence<beans::PropertyValue>& aArgs)
     for (const auto& rArg : aArgs)
     {
         OUString sValue;
-        rArg.Value >>= sValue;
+        bool bValue;
 
         if (rArg.Name == "SuggestedSaveAsName")
         {
+            rArg.Value >>= sValue;
             pMedium->GetItemSet()->Put(SfxStringItem(SID_SUGGESTEDSAVEASNAME, sValue));
         }
         else if (rArg.Name == "SuggestedSaveAsDir")
         {
+            rArg.Value >>= sValue;
             pMedium->GetItemSet()->Put(SfxStringItem(SID_SUGGESTEDSAVEASDIR, sValue));
         }
+        else if (rArg.Name == "LockContentExtraction")
+        {
+            rArg.Value >>= bValue;
+            pMedium->GetItemSet()->Put(SfxBoolItem(SID_LOCK_CONTENT_EXTRACTION, bValue));
+        }
         else
         {
             throw lang::IllegalArgumentException("Setting property not supported: " + rArg.Name,
diff --git a/sfx2/source/view/viewsh.cxx b/sfx2/source/view/viewsh.cxx
index a6f8567f8aac..4866fcabc4bc 100644
--- a/sfx2/source/view/viewsh.cxx
+++ b/sfx2/source/view/viewsh.cxx
@@ -39,11 +39,13 @@
 #include <com/sun/star/embed/XEmbeddedObject.hpp>
 #include <com/sun/star/container/XContainerQuery.hpp>
 #include <com/sun/star/frame/XStorable.hpp>
+#include <com/sun/star/frame/XModel.hpp>
 #include <com/sun/star/datatransfer/clipboard/XClipboard.hpp>
 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
 #include <com/sun/star/datatransfer/clipboard/XClipboardListener.hpp>
 #include <com/sun/star/datatransfer/clipboard/XClipboardNotifier.hpp>
 #include <com/sun/star/view/XRenderable.hpp>
+#include <com/sun/star/uno/Reference.hxx>
 #include <cppuhelper/implbase.hxx>
 
 #include <osl/file.hxx>
@@ -60,6 +62,7 @@
 #include <basic/sbuno.hxx>
 #include <framework/actiontriggerhelper.hxx>
 #include <comphelper/lok.hxx>
+#include <comphelper/namedvaluecollection.hxx>
 #include <comphelper/processfactory.hxx>
 #include <comphelper/sequenceashashmap.hxx>
 #include <toolkit/helper/vclunohelper.hxx>
@@ -1733,6 +1736,15 @@ void SfxViewShell::SetController( SfxBaseController* pController )
     pImpl->xClipboardListener = new SfxClipboardChangeListener( this, GetClipboardNotifier() );
 }
 
+bool SfxViewShell::isContentExtractionLocked()
+{
+    Reference<XModel> xModel = GetCurrentDocument();
+    if (!xModel.is())
+        return false;
+    comphelper::NamedValueCollection aArgs(xModel->getArgs());
+    return aArgs.getOrDefault("LockContentExtraction", false);
+}
+
 Reference < XController > SfxViewShell::GetController() const
 {
     return pImpl->m_pController.get();