Make SvtHistoryOptions not return files if they can't be opened

Change-Id: I68cb3363a33b2d6ceb2330486e26d5cfa913c5e7
Reviewed-on: https://gerrit.libreoffice.org/5841Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

unotools/source/config/historyoptions.cxx

@@ -18,6 +18,7 @@
  */
 
 
+#include <osl/file.hxx>
 #include <unotools/historyoptions.hxx>
 #include <unotools/configmgr.hxx>
 #include <unotools/configitem.hxx>
@@ -317,6 +318,18 @@ void SvtHistoryOptions_Impl::Clear( EHistoryType eHistory )
     }
 }
 
+static bool lcl_fileOpenable(const OUString &rURL)
+{
+    osl::File aRecentFile(rURL);
+    if(!aRecentFile.open(osl_File_OpenFlag_Read))
+    {
+        aRecentFile.close();
+        return true;
+    }
+    else
+        return false;
+}
+
 //*****************************************************************************************************************
 //  public method
 //  get a sequence list from the items
@@ -382,6 +395,8 @@ Sequence< Sequence< PropertyValue > > SvtHistoryOptions_Impl::GetList( EHistoryT
                     xOrderList->getByName(OUString::number(nItem)) >>= xSet;
                     xSet->getPropertyValue(OUString(s_sHistoryItemRef)) >>= sUrl;
 
+                    if( !sUrl.startsWith("file://") || lcl_fileOpenable( sUrl ) )
+                    {
                         xItemList->getByName(sUrl) >>= xSet;
                         seqProperties[s_nOffsetURL  ].Value <<= sUrl;
                         xSet->getPropertyValue(OUString(s_sFilter))   >>= seqProperties[s_nOffsetFilter   ].Value;
@@ -389,6 +404,7 @@ Sequence< Sequence< PropertyValue > > SvtHistoryOptions_Impl::GetList( EHistoryT
                         xSet->getPropertyValue(OUString(s_sPassword)) >>= seqProperties[s_nOffsetPassword ].Value;
                         aRet[nCount++] = seqProperties;
                     }
+                }
                 catch(const css::uno::Exception& ex)
                 {
                     // <https://bugs.freedesktop.org/show_bug.cgi?id=46074>