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backends/cloud/savessyncrequest.h

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BACKENDS_CLOUD_SAVESSYNCREQUEST_H
+#define BACKENDS_CLOUD_SAVESSYNCREQUEST_H
+
+#include "backends/networking/http/request.h"
+#include "backends/cloud/storage.h"
+#include "common/hashmap.h"
+#include "common/hash-str.h"
+
+namespace Cloud {
+
+class SavesSyncRequest: public Networking::Request {
+	Storage *_storage;
+	Storage::BoolCallback _boolCallback;
+	Common::HashMap<Common::String, uint32> _localFilesTimestamps;
+	Common::Array<StorageFile> _filesToDownload;
+	Common::Array<Common::String> _filesToUpload;
+	StorageFile _currentDownloadingFile;
+	Common::String _currentUploadingFile;
+	Request *_workingRequest;
+	bool _ignoreCallback;
+	uint32 _totalFilesToHandle;
+	Common::String _date;
+	uint32 _bytesToDownload, _bytesDownloaded;
+
+	void start();
+	void directoryListedCallback(const Storage::ListDirectoryResponse &response);
+	void directoryListedErrorCallback(const Networking::ErrorResponse &error);
+	void directoryCreatedCallback(const Storage::BoolResponse &response);
+	void directoryCreatedErrorCallback(const Networking::ErrorResponse &error);
+	void fileDownloadedCallback(const Storage::BoolResponse &response);
+	void fileDownloadedErrorCallback(const Networking::ErrorResponse &error);
+	void fileUploadedCallback(const Storage::UploadResponse &response);
+	void fileUploadedErrorCallback(const Networking::ErrorResponse &error);
+	void downloadNextFile();
+	void uploadNextFile();
+	void finishError(const Networking::ErrorResponse &error, Networking::RequestState state = Networking::FINISHED) override;
+	void finishSync(bool success);
+
+	uint32 getDownloadedBytes() const;
+	uint32 getBytesToDownload() const;
+
+public:
+	SavesSyncRequest(Storage *storage, Storage::BoolCallback callback, Networking::ErrorCallback ecb);
+	~SavesSyncRequest() override;
+
+	void handle() override;
+	void restart() override;
+
+	/** Returns a number in range [0, 1], where 1 is "complete". */
+	double getDownloadingProgress() const;
+
+	/** Fills a struct with numbers about current sync downloading progress. */
+	void getDownloadingInfo(Storage::SyncDownloadingInfo &info) const;
+
+	/** Returns a number in range [0, 1], where 1 is "complete". */
+	double getProgress() const;
+
+	/** Returns an array of saves names which are not downloaded yet. */
+	Common::Array<Common::String> getFilesToDownload();
+};
+
+} // End of namespace Cloud
+
+#endif