foo

include/api.h

@@ -3,6 +3,14 @@
 //major minor patch
 #define LITTLESNITCH_VERSION 100
 
+#include <QtCore/QtGlobal>
+
+#if defined(IS_PROXY_LIBRARY)
+#  define MYSHAREDLIB_EXPORT Q_DECL_EXPORT
+#else
+#  define MYSHAREDLIB_EXPORT Q_DECL_IMPORT
+#endif
+
 #include <iostream>
 #include <map>
 #include <vector>

include/proxyinterface.h

@@ -11,22 +11,23 @@ namespace http {
 /*!
   Interface for implementing proxies
 
-  There are no signals, because apparently Qt Plugins do not support interfaces, which inherit from QObject.
-  (it will fail upon loading the plugin)
+  You need to implement the following signals:
+
+    void process(std::string path); // called in a separate thread, has to block, will not be called again
+    void finished(); // thread finished and can be deleted
+    void error(QString err); // an error occured
+    void message(http::Flow flow); // a http::Flow was received
+
 */
 class ProxyInterface {
 public:
+    std::string path;
     virtual ~ProxyInterface() = default;
-    //! called in a custom thread, may block.
-    virtual void process(std::string path) = 0;
     //! returns, whether the proxy is currently connected
     virtual bool connected() = 0;
     //! disconnects the handle
     virtual void disconnect() = 0;
     // options/settings
-    std::function<void()> finished;
-    std::function<void(QString)> error;
-    std::function<void(http::Flow flow)> message;
 };
 
 }