2 files changed, 26 insertions, 1 deletions
diff --git a/server/include/api_core_events.h b/server/include/api_core_events.h
index e7e0dac..072ec45 100644
--- a/server/include/api_core_events.h
+++ b/server/include/api_core_events.h
@@ -21,15 +21,24 @@
 #ifndef API_CORE_EVENTS_H
 #define API_CORE_EVENTS_H
 
+class module_base;
+
 namespace core_events
 {
 
 enum download_state {download_stopped, download_running, download_completed, download_error};
 
+struct download_state_info
+{
+	int download_id;
+	download_state state;
+};
+
+
 class core_events
 {
 public:
-	virtual void download_state_changed(int download_id, download_state state);
+	virtual void download_state_changed(module_base *m, std::list<download_state_info> state_list);
 };
 
 };
diff --git a/server/include/utilities.h b/server/include/utilities.h
index 40eb38f..3e77f89 100644
--- a/server/include/utilities.h
+++ b/server/include/utilities.h
@@ -25,6 +25,7 @@
 #include <string>
 #include <memory>
 
+
 //TODO: use glib's xdg api instead ?
 std::string replace_home_var(const std::string &path);
 
@@ -35,6 +36,21 @@ std::shared_ptr<char*> pack_msg(server_msg *msg, int *size);
 std::string random_string(int length);
 std::string generate_auth_token();
 
+#include <boost/thread/lockable_adapter.hpp>
+#include <boost/thread/mutex.hpp>
+
+template <typename CONTAINER> 
+class lockable_container : public boost::basic_lockable_adapter<boost::mutex>, public CONTAINER
+{
+	
+};
+
+/*template <typename CONTAINER>
+class lockable_container_child : public lockable_container <CONTAINER>
+{
+    //code
+}; */
+
 
 
 #endif // UTILITIES_H_INCLUDED