Issue 4127 - [emscripten] Convert subscription classes to C++ - Part 1

compiled/subscription/DownloadableSubscription.h

Index: compiled/subscription/DownloadableSubscription.h
===================================================================
new file mode 100644
--- /dev/null
+++ b/compiled/subscription/DownloadableSubscription.h
@@ -0,0 +1,41 @@
+/*
+ * This file is part of Adblock Plus <https://adblockplus.org/>,
+ * Copyright (C) 2006-2017 eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "Subscription.h"
+
+class DownloadableSubscription : public Subscription
+{
+public:
+  explicit DownloadableSubscription(const String& id);
+
+  SUBSCRIPTION_PROPERTY(bool, mFixedTitle, GetFixedTitle, SetFixedTitle);
+  SUBSCRIPTION_STRING_PROPERTY(mHomepage, GetHomepage, SetHomepage);
+  SUBSCRIPTION_PROPERTY(double, mLastCheck, GetLastCheck, SetLastCheck);
+  SUBSCRIPTION_PROPERTY(double, mHardExpiration, GetHardExpiration, SetHardExpiration);
+  SUBSCRIPTION_PROPERTY(double, mSoftExpiration, GetSoftExpiration, SetSoftExpiration);
+  SUBSCRIPTION_PROPERTY(double, mLastDownload, GetLastDownload, SetLastDownload);
+  SUBSCRIPTION_STRING_PROPERTY(mDownloadStatus, GetDownloadStatus, SetDownloadStatus);
+  SUBSCRIPTION_PROPERTY(double, mLastSuccess, GetLastSuccess, SetLastSuccess);
+  SUBSCRIPTION_PROPERTY(int, mErrorCount, GetErrorCount, SetErrorCount);
+  SUBSCRIPTION_PROPERTY(double, mDataRevision, GetDataRevision, SetDataRevision);
+  SUBSCRIPTION_STRING_PROPERTY(mRequiredVersion, GetRequiredVersion, SetRequiredVersion);
+  SUBSCRIPTION_PROPERTY(int, mDownloadCount, GetDownloadCount, SetDownloadCount);
+
+  EMSCRIPTEN_KEEPALIVE OwnedString Serialize() const;
+};