Issue 4127 - [emscripten] Convert subscription classes to C++ - Part 2

compiled/subscription/Subscription.h

 #pragma once
 
 #include <vector>
 
 #include "../filter/Filter.h"
 #include "../String.h"
 #include "../intrusive_ptr.h"
 #include "../debug.h"
 
 #define SUBSCRIPTION_PROPERTY(type, name, getter, setter) \
@@ skipping 37 matching lines @@
             var subscription = new (exports[Subscription_mapping[$2]])($1);\
             FilterNotifier.triggerListeners(readString($0), subscription, readString($3), readString($4));\
           }, &action, this, mType, &value, &oldvalue);\
         }\
       }
 
 class Subscription : public ref_counted
 {
 protected:
   OwnedString mID;
-  std::vector<Filter> mFilters;
+  std::vector<FilterPtr> mFilters;
 
 public:
   enum Type
   {
     UNKNOWN = 0,
     DOWNLOADABLE = 1,
     USERDEFINED = 2
   };
 
   explicit Subscription(Type type, const String& id);
   ~Subscription();
 
   Type mType;
 
   EMSCRIPTEN_KEEPALIVE const String& GetID() const
   {
     return mID;
   }
 
   SUBSCRIPTION_STRING_PROPERTY(mTitle, GetTitle, SetTitle);
   SUBSCRIPTION_PROPERTY(bool, mDisabled, GetDisabled, SetDisabled);
 
+  EMSCRIPTEN_KEEPALIVE unsigned GetFilterCount() const
+  {
+    return mFilters.size();
+  }
+
+  EMSCRIPTEN_KEEPALIVE Filter* FilterAt(unsigned index);
+  EMSCRIPTEN_KEEPALIVE int IndexOfFilter(Filter* filter);
   EMSCRIPTEN_KEEPALIVE OwnedString Serialize() const;
   EMSCRIPTEN_KEEPALIVE OwnedString SerializeFilters() const;
 
   static EMSCRIPTEN_KEEPALIVE Subscription* FromID(const String& id);
 };
 
 typedef intrusive_ptr<Subscription> SubscriptionPtr;