gpg4libre: Add flag for filters that support GPG encryption

Change-Id: I48518f26a3ccbe430d36fb6657bdeff0943492d3
Reviewed-on: https://gerrit.libreoffice.org/41263Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

filter/source/config/cache/constant.hxx

@@ -104,6 +104,7 @@
 #define  FLAGNAME_DEFAULT           "DEFAULT"
 #define  FLAGNAME_ENCRYPTION        "ENCRYPTION"
 #define  FLAGNAME_EXPORT            "EXPORT"
+#define  FLAGNAME_GPGENCRYPTION     "GPGENCRYPTION"
 #define  FLAGNAME_IMPORT            "IMPORT"
 #define  FLAGNAME_INTERNAL          "INTERNAL"
 #define  FLAGNAME_NOTINFILEDIALOG   "NOTINFILEDIALOG"

filter/source/config/cache/filtercache.cxx

@@ -1874,6 +1874,7 @@ css::uno::Sequence< OUString > FilterCache::impl_convertFlagField2FlagNames(SfxF
     if (nFlags & SfxFilterFlags::TEMPLATEPATH     ) lFlagNames.push_back(FLAGNAME_TEMPLATEPATH     );
     if (nFlags & SfxFilterFlags::COMBINED         ) lFlagNames.push_back(FLAGNAME_COMBINED         );
     if (nFlags & SfxFilterFlags::SUPPORTSSIGNING) lFlagNames.push_back(FLAGNAME_SUPPORTSSIGNING);
+    if (nFlags & SfxFilterFlags::GPGENCRYPTION) lFlagNames.push_back(FLAGNAME_GPGENCRYPTION);
 
     return comphelper::containerToSequence(lFlagNames);
 }
@@ -1919,6 +1920,11 @@ SfxFilterFlags FilterCache::impl_convertFlagNames2FlagField(const css::uno::Sequ
             nField |= SfxFilterFlags::EXPORT;
             continue;
         }
+        if (pNames[i] == FLAGNAME_GPGENCRYPTION)
+        {
+            nField |= SfxFilterFlags::GPGENCRYPTION;
+            continue;
+        }
         if (pNames[i] == FLAGNAME_IMPORT)
         {
             nField |= SfxFilterFlags::IMPORT;

filter/source/config/fragments/filters/writer8.xcu

@@ -16,7 +16,7 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 -->
     <node oor:name="writer8" oor:op="replace">
-        <prop oor:name="Flags"><value>IMPORT EXPORT TEMPLATE OWN DEFAULT PREFERRED ENCRYPTION PASSWORDTOMODIFY</value></prop>
+        <prop oor:name="Flags"><value>IMPORT EXPORT TEMPLATE OWN DEFAULT PREFERRED ENCRYPTION PASSWORDTOMODIFY GPGENCRYPTION</value></prop>
         <prop oor:name="UIComponent"/>
         <prop oor:name="FilterService"/>
         <prop oor:name="UserData"><value>CXML</value></prop>

include/comphelper/documentconstants.hxx

@@ -110,13 +110,15 @@ enum class SfxFilterFlags
 
     ENCRYPTION        = 0x01000000L,
     PASSWORDTOMODIFY  = 0x02000000L,
+    GPGENCRYPTION     = 0x04000000L,
     PREFERED          = 0x10000000L,
     STARTPRESENTATION = 0x20000000L,
     SUPPORTSSIGNING   = 0x40000000L,
 };
+
 namespace o3tl
 {
-    template<> struct typed_flags<SfxFilterFlags> : is_typed_flags<SfxFilterFlags, 0x739f157fL> {};
+    template<> struct typed_flags<SfxFilterFlags> : is_typed_flags<SfxFilterFlags, 0x779f157fL> {};
 }
 
 #define SFX_FILTER_NOTINSTALLED (SfxFilterFlags::MUSTINSTALL | SfxFilterFlags::CONSULTSERVICE)

include/sfx2/docfilt.hxx

@@ -78,6 +78,7 @@ public:
     bool IsOwnFormat() const { return bool(nFormatType & SfxFilterFlags::OWN); }
     /// If the filter supports digital signatures.
     bool GetSupportsSigning() const { return bool(nFormatType & SfxFilterFlags::SUPPORTSSIGNING); }
+    bool GetGpgEncryption() const { return bool(nFormatType & SfxFilterFlags::GPGENCRYPTION); }
     bool IsOwnTemplateFormat() const { return bool(nFormatType & SfxFilterFlags::TEMPLATEPATH); }
     bool IsAlienFormat() const { return bool(nFormatType & SfxFilterFlags::ALIEN); }
     bool CanImport() const { return bool(nFormatType & SfxFilterFlags::IMPORT); }