1 files changed, 9 insertions, 1 deletions
diff --git a/src/common/download.h b/src/common/download.h
index ab7644689..917cb2278 100644
--- a/src/common/download.h
+++ b/src/common/download.h
@@ -32,5 +32,13 @@
 
 namespace tools
 {
-  bool download(const std::string &path, const std::string &url);
+  struct download_thread_control;
+  typedef std::shared_ptr<download_thread_control> download_async_handle;
+
+  bool download(const std::string &path, const std::string &url, std::function<bool(const std::string&, const std::string&, size_t, ssize_t)> progress = NULL);
+  download_async_handle download_async(const std::string &path, const std::string &url, std::function<void(const std::string&, const std::string&, bool)> result, std::function<bool(const std::string&, const std::string&, size_t, ssize_t)> progress = NULL);
+  bool download_error(const download_async_handle &h);
+  bool download_finished(const download_async_handle &h);
+  bool download_wait(const download_async_handle &h);
+  bool download_cancel(const download_async_handle &h);
 }