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backends/cloud/folderdownloadrequest.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_FOLDERDOWNLOADREQUEST_H
+#define BACKENDS_CLOUD_FOLDERDOWNLOADREQUEST_H
+
+#include "backends/networking/http/request.h"
+#include "backends/cloud/storage.h"
+#include "gui/object.h"
+
+namespace Cloud {
+
+class FolderDownloadRequest: public Networking::Request, public GUI::CommandSender {
+	Storage *_storage;
+	Storage::FileArrayCallback _fileArrayCallback;
+	Common::String _remoteDirectoryPath;
+	Common::Path _localDirectoryPath;
+	bool _recursive;
+	Common::Array<StorageFile> _pendingFiles, _failedFiles;
+	StorageFile _currentFile;
+	Request *_workingRequest;
+	bool _ignoreCallback;
+	uint32 _totalFiles;
+	uint64 _downloadedBytes, _totalBytes, _wasDownloadedBytes, _currentDownloadSpeed;
+
+	void start();
+	void directoryListedCallback(const Storage::ListDirectoryResponse &response);
+	void directoryListedErrorCallback(const Networking::ErrorResponse &error);
+	void fileDownloadedCallback(const Storage::BoolResponse &response);
+	void fileDownloadedErrorCallback(const Networking::ErrorResponse &error);
+	void downloadNextFile();
+	void finishDownload(Common::Array<StorageFile> &files);
+public:
+	FolderDownloadRequest(Storage *storage, Storage::FileArrayCallback callback, Networking::ErrorCallback ecb, const Common::String &remoteDirectoryPath, const Common::Path &localDirectoryPath, bool recursive);
+	~FolderDownloadRequest() override;
+
+	void handle() override;
+	void restart() override;
+
+	/** Returns a number in range [0, 1], where 1 is "complete". */
+	double getProgress() const;
+
+	/** Returns a number of downloaded bytes. */
+	uint64 getDownloadedBytes() const;
+
+	/** Returns a total number of bytes to download. */
+	uint64 getTotalBytesToDownload() const;
+
+	/** Returns average download speed for the last second. */
+	uint64 getDownloadSpeed() const;
+
+	/** Returns remote directory path. */
+	Common::String getRemotePath() const { return _remoteDirectoryPath; }
+
+	/** Returns local directory path. */
+	Common::Path getLocalPath() const { return _localDirectoryPath; }
+};
+
+} // End of namespace Cloud
+
+#endif