FRP wrappers. "Update" menu item.

src/engine/main.cpp

Index: src/engine/main.cpp
===================================================================
--- a/src/engine/main.cpp
+++ b/src/engine/main.cpp
@@ -43,6 +43,12 @@
   CriticalSection firstRunLock;
   bool firstRunActionExecuted = false;
 
+  void UpdateCallback(const std::string res)
+  {
+    //TODO: Display UI here
+    return;
+  }
+
   Communication::OutputBuffer HandleRequest(Communication::InputBuffer& request)
   {
     Communication::OutputBuffer response;
@@ -224,6 +230,11 @@
         }
         break;
       }
+      case Communication::PROC_CHECK_FOR_UPDATES:
+      {
+        filterEngine->ForceUpdateCheck(UpdateCallback);
+        break;
+      }
       case Communication::PROC_IS_FIRST_RUN_ACTION_NEEDED:
       {
         CriticalSection::Lock lock(firstRunLock);
@@ -238,6 +249,16 @@
         }
         break;
       }
+      case Communication::PROC_GET_APP_LOCALE:
+      {
+        response << ToUtf16String(filterEngine->GetAppLocale());
+        break;
+      }
+      case Communication::PROC_GET_DOCUMENTATION_LINK:
+      {
+        response << ToUtf16String(filterEngine->GetDocumentationLink());
+        break;
+      }
 
     }
     return response;