Firmware updater: Perform work in a background thread

xs/src/avrdude/avrdude-slic3r.hpp

@@ -1,9 +1,9 @@
 #ifndef slic3r_avrdude_slic3r_hpp_
 #define slic3r_avrdude_slic3r_hpp_
 
+#include <memory>
 #include <vector>
 #include <string>
-#include <ostream>
 #include <functional>
 
 namespace Slic3r {
@@ -11,11 +11,13 @@ namespace Slic3r {
 class AvrDude
 {
 public:
+	typedef std::shared_ptr<AvrDude> Ptr;
 	typedef std::function<void(const char * /* msg */, unsigned /* size */)> MessageFn;
 	typedef std::function<void(const char * /* task */, unsigned /* progress */)> ProgressFn;
+	typedef std::function<void(int /* exit status */)> CompleteFn;
 
 	AvrDude();
-	AvrDude(AvrDude &&) = delete;
+	AvrDude(AvrDude &&) = default;
 	AvrDude(const AvrDude &) = delete;
 	AvrDude &operator=(AvrDude &&) = delete;
 	AvrDude &operator=(const AvrDude &) = delete;
@@ -23,17 +25,26 @@ public:
 
 	// Set location of avrdude's main configuration file
 	AvrDude& sys_config(std::string sys_config);
+
+	// Set avrdude cli arguments
+	AvrDude& args(std::vector<std::string> args);
+
 	// Set message output callback
 	AvrDude& on_message(MessageFn fn);
+
 	// Set progress report callback
 	// Progress is reported per each task (reading / writing), progress is reported in percents.
 	AvrDude& on_progress(MessageFn fn);
-	
-	int run(std::vector<std::string> args);
+
+	// Called when avrdude's main function finishes
+	AvrDude& on_complete(CompleteFn fn);
+
+	int run_sync();
+	Ptr run();
+	void join();
 private:
-	std::string m_sys_config;
-	MessageFn   m_message_fn;
-	ProgressFn  m_progress_fn;
+	struct priv;
+	std::unique_ptr<priv> p;
 };