Use the patched naett functions to implement progress updates

Common/Net/HTTPRequest.cpp

@@ -3,9 +3,34 @@
 #include "Common/Net/HTTPNaettRequest.h"
 #include "Common/TimeUtil.h"
 #include "Common/StringUtils.h"
+#include "Common/Log.h"
+#include "Common/System/OSD.h"
 
 namespace http {
 
+Download::Download(RequestMethod method, const std::string &url, const std::string &name, bool *cancelled, ProgressBarMode mode) : method_(method), url_(url), name_(name), progress_(cancelled), progressBarMode_(mode) {
+	progress_.callback = [=](int64_t bytes, int64_t contentLength, bool done) {
+		std::string message;
+		if (!name_.empty()) {
+			message = name_;
+		} else {
+			std::size_t pos = url_.rfind('/');
+			if (pos != std::string::npos) {
+				message = url_.substr(pos + 1);
+			} else {
+				message = url_;
+			}
+		}
+		if (progressBarMode_ != ProgressBarMode::NONE) {
+			if (!done) {
+				g_OSD.SetProgressBar(url_, std::move(message), 0.0f, (float)contentLength, (float)bytes, progressBarMode_ == ProgressBarMode::DELAYED ? 3.0f : 0.0f);  // delay 3 seconds before showing.
+			} else {
+				g_OSD.RemoveProgressBar(url_, Failed() ? false : true, 0.5f);
+			}
+		}
+	};
+}
+
 bool RequestManager::IsHttpsUrl(const std::string &url) {
 	return startsWith(url, "https:");
 }