diff options
Diffstat (limited to 'backends/cloud/googledrive/googledrivelistdirectoryrequest.cpp')
| -rw-r--r-- | backends/cloud/googledrive/googledrivelistdirectoryrequest.cpp | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/backends/cloud/googledrive/googledrivelistdirectoryrequest.cpp b/backends/cloud/googledrive/googledrivelistdirectoryrequest.cpp new file mode 100644 index 0000000000..803682b684 --- /dev/null +++ b/backends/cloud/googledrive/googledrivelistdirectoryrequest.cpp @@ -0,0 +1,117 @@ +/* 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. +* +*/ + +#include "backends/cloud/googledrive/googledrivelistdirectoryrequest.h" +#include "backends/cloud/googledrive/googledrivestorage.h" + +namespace Cloud { +namespace GoogleDrive { + +GoogleDriveListDirectoryRequest::GoogleDriveListDirectoryRequest(GoogleDriveStorage *storage, Common::String path, Storage::ListDirectoryCallback cb, Networking::ErrorCallback ecb, bool recursive): + Networking::Request(nullptr, ecb), + _requestedPath(path), _requestedRecursive(recursive), _storage(storage), _listDirectoryCallback(cb), + _workingRequest(nullptr), _ignoreCallback(false) { + start(); +} + +GoogleDriveListDirectoryRequest::~GoogleDriveListDirectoryRequest() { + _ignoreCallback = true; + if (_workingRequest) _workingRequest->finish(); + delete _listDirectoryCallback; +} + +void GoogleDriveListDirectoryRequest::start() { + //cleanup + _ignoreCallback = true; + if (_workingRequest) _workingRequest->finish(); + _workingRequest = nullptr; + _files.clear(); + _directoriesQueue.clear(); + _currentDirectory = ""; + _ignoreCallback = false; + + //find out that directory's id + Storage::UploadCallback innerCallback = new Common::Callback<GoogleDriveListDirectoryRequest, Storage::UploadResponse>(this, &GoogleDriveListDirectoryRequest::idResolvedCallback); + Networking::ErrorCallback innerErrorCallback = new Common::Callback<GoogleDriveListDirectoryRequest, Networking::ErrorResponse>(this, &GoogleDriveListDirectoryRequest::idResolveErrorCallback); + _workingRequest = _storage->resolveFileId(_requestedPath, innerCallback, innerErrorCallback); +} + +void GoogleDriveListDirectoryRequest::idResolvedCallback(Storage::UploadResponse response) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + + _directoriesQueue.push_back(response.value.path()); + listNextDirectory(); +} + +void GoogleDriveListDirectoryRequest::idResolveErrorCallback(Networking::ErrorResponse error) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + finishError(error); +} + +void GoogleDriveListDirectoryRequest::listNextDirectory() { + if (_directoriesQueue.empty()) { + finishSuccess(_files); + return; + } + + _currentDirectory = _directoriesQueue.back(); + _directoriesQueue.pop_back(); + + Storage::FileArrayCallback callback = new Common::Callback<GoogleDriveListDirectoryRequest, Storage::FileArrayResponse>(this, &GoogleDriveListDirectoryRequest::listedDirectoryCallback); + Networking::ErrorCallback failureCallback = new Common::Callback<GoogleDriveListDirectoryRequest, Networking::ErrorResponse>(this, &GoogleDriveListDirectoryRequest::listedDirectoryErrorCallback); + _workingRequest = _storage->listDirectoryById(_currentDirectory, callback, failureCallback); +} + +void GoogleDriveListDirectoryRequest::listedDirectoryCallback(Storage::FileArrayResponse response) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + + for (uint32 i = 0; i < response.value.size(); ++i) { + StorageFile &file = response.value[i]; + _files.push_back(file); + if (_requestedRecursive && file.isDirectory()) { + _directoriesQueue.push_back(file.path()); + } + } + + listNextDirectory(); +} + +void GoogleDriveListDirectoryRequest::listedDirectoryErrorCallback(Networking::ErrorResponse error) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + finishError(error); +} + +void GoogleDriveListDirectoryRequest::handle() {} + +void GoogleDriveListDirectoryRequest::restart() { start(); } + +void GoogleDriveListDirectoryRequest::finishSuccess(Common::Array<StorageFile> &files) { + Request::finishSuccess(); + if (_listDirectoryCallback) (*_listDirectoryCallback)(Storage::ListDirectoryResponse(this, files)); +} + +} // End of namespace GoogleDrive +} // End of namespace Cloud |