CLOUD: Add DownloadRequest stub

It reads the passed NetworkReadStream and prints its contents onto
console (for now). It would be writing contents into file.

To simplify work with raw NetworkReadStream there is a new CurlRequest.
It basically does nothing, but as ConnMan handles transfers only if
there is an active Request, you need some Request to get
NetworkReadStream working. Thus, there is a CurlRequest, which is active
until NetworkReadStream is completely read. CurlRequest also has useful
addHeader() and addPostField() methods in order to customize the request
easily. Use execute() method to get its NetworkReadStream.

DropboxStorage implements streamFile() and download() API methods. As
DownloadRequest is incomplete, it is not actually downloading a file,
though.

1 files changed, 58 insertions, 0 deletions

diff --git a/backends/networking/curl/curlrequest.h b/backends/networking/curl/curlrequest.h
new file mode 100644
index 0000000000..22f50be418
--- /dev/null
+++ b/backends/networking/curl/curlrequest.h
@@ -0,0 +1,58 @@
+/* ScummVM - Graphic Adventure Engine
+*
+* ScummVM is the legal property of its developers, whose names
+* are too numerous to list here. Please refer to the COPYRIGHT
+* file distributed with this source distribution.
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License
+* as published by the Free Software Foundation; either version 2
+* of the License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software
+* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*
+*/
+
+#ifndef BACKENDS_NETWORKING_CURL_CURLREQUEST_H
+#define BACKENDS_NETWORKING_CURL_CURLREQUEST_H
+
+#include "backends/networking/curl/request.h"
+#include "common/str.h"
+
+struct curl_slist;
+
+namespace Networking {
+
+class NetworkReadStream;
+
+class CurlRequest: public Request {
+protected:
+	const char *_url;
+	NetworkReadStream *_stream;
+	curl_slist *_headersList;
+	Common::String _postFields;
+
+public:
+	CurlRequest(Common::BaseCallback<> *cb, const char *url);
+	virtual ~CurlRequest();
+
+	virtual bool handle();
+
+	void addHeader(Common::String header);
+
+	void addPostField(Common::String header);
+
+	/** Start this Request with ConnMan. Returns its ReadStream. */
+	NetworkReadStream *execute();
+};
+
+}  //end of namespace Networking
+
+#endif