FrontendCommon: Add HTTPDownloaderUWP

src/frontend-common/http_downloader_uwp.h

@@ -0,0 +1,37 @@
+#pragma once
+#include "http_downloader.h"
+
+#include "common/windows_headers.h"
+
+#include <winrt/windows.Web.Http.h>
+
+namespace FrontendCommon {
+
+class HTTPDownloaderUWP final : public HTTPDownloader
+{
+public:
+  HTTPDownloaderUWP(std::string user_agent);
+  ~HTTPDownloaderUWP() override;
+
+protected:
+  Request* InternalCreateRequest() override;
+  void InternalPollRequests() override;
+  bool StartRequest(HTTPDownloader::Request* request) override;
+  void CloseRequest(HTTPDownloader::Request* request) override;
+
+private:
+  struct Request : HTTPDownloader::Request
+  {
+    std::wstring object_name;
+    winrt::Windows::Web::Http::HttpClient client;
+    winrt::Windows::Foundation::IAsyncOperationWithProgress<winrt::Windows::Web::Http::HttpResponseMessage,
+                                                            winrt::Windows::Web::Http::HttpProgress>
+      request_async{nullptr};
+    winrt::Windows::Foundation::IAsyncOperationWithProgress<winrt::Windows::Storage::Streams::IBuffer, uint64_t>
+      receive_async{};
+  };
+
+  std::string m_user_agent;
+};
+
+} // namespace FrontendCommon