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Diffstat (limited to 'backends/cloud/id/idlistdirectoryrequest.cpp')
| -rw-r--r-- | backends/cloud/id/idlistdirectoryrequest.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/backends/cloud/id/idlistdirectoryrequest.cpp b/backends/cloud/id/idlistdirectoryrequest.cpp new file mode 100644 index 0000000000..012065dc77 --- /dev/null +++ b/backends/cloud/id/idlistdirectoryrequest.cpp @@ -0,0 +1,129 @@ +/* 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/id/idlistdirectoryrequest.h" +#include "backends/cloud/id/idstorage.h" + +namespace Cloud { +namespace Id { + +IdListDirectoryRequest::IdListDirectoryRequest(IdStorage *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(); +} + +IdListDirectoryRequest::~IdListDirectoryRequest() { + _ignoreCallback = true; + if (_workingRequest) _workingRequest->finish(); + delete _listDirectoryCallback; +} + +void IdListDirectoryRequest::start() { + //cleanup + _ignoreCallback = true; + if (_workingRequest) _workingRequest->finish(); + _workingRequest = nullptr; + _files.clear(); + _directoriesQueue.clear(); + _currentDirectory = StorageFile(); + _ignoreCallback = false; + + //find out that directory's id + Storage::UploadCallback innerCallback = new Common::Callback<IdListDirectoryRequest, Storage::UploadResponse>(this, &IdListDirectoryRequest::idResolvedCallback); + Networking::ErrorCallback innerErrorCallback = new Common::Callback<IdListDirectoryRequest, Networking::ErrorResponse>(this, &IdListDirectoryRequest::idResolveErrorCallback); + _workingRequest = _storage->resolveFileId(_requestedPath, innerCallback, innerErrorCallback); +} + +void IdListDirectoryRequest::idResolvedCallback(Storage::UploadResponse response) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + if (response.request) _date = response.request->date(); + + StorageFile directory = response.value; + directory.setPath(_requestedPath); + _directoriesQueue.push_back(directory); + listNextDirectory(); +} + +void IdListDirectoryRequest::idResolveErrorCallback(Networking::ErrorResponse error) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + if (error.request) _date = error.request->date(); + finishError(error); +} + +void IdListDirectoryRequest::listNextDirectory() { + if (_directoriesQueue.empty()) { + finishListing(_files); + return; + } + + _currentDirectory = _directoriesQueue.back(); + _directoriesQueue.pop_back(); + + Storage::FileArrayCallback callback = new Common::Callback<IdListDirectoryRequest, Storage::FileArrayResponse>(this, &IdListDirectoryRequest::listedDirectoryCallback); + Networking::ErrorCallback failureCallback = new Common::Callback<IdListDirectoryRequest, Networking::ErrorResponse>(this, &IdListDirectoryRequest::listedDirectoryErrorCallback); + _workingRequest = _storage->listDirectoryById(_currentDirectory.id(), callback, failureCallback); +} + +void IdListDirectoryRequest::listedDirectoryCallback(Storage::FileArrayResponse response) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + if (response.request) _date = response.request->date(); + + for (uint32 i = 0; i < response.value.size(); ++i) { + StorageFile &file = response.value[i]; + Common::String path = _currentDirectory.path(); + if (path.size() && path.lastChar() != '/' && path.lastChar() != '\\') path += '/'; + path += file.name(); + file.setPath(path); + _files.push_back(file); + if (_requestedRecursive && file.isDirectory()) { + _directoriesQueue.push_back(file); + } + } + + listNextDirectory(); +} + +void IdListDirectoryRequest::listedDirectoryErrorCallback(Networking::ErrorResponse error) { + _workingRequest = nullptr; + if (_ignoreCallback) return; + if (error.request) _date = error.request->date(); + finishError(error); +} + +void IdListDirectoryRequest::handle() {} + +void IdListDirectoryRequest::restart() { start(); } + +Common::String IdListDirectoryRequest::date() const { return _date; } + +void IdListDirectoryRequest::finishListing(Common::Array<StorageFile> &files) { + Request::finishSuccess(); + if (_listDirectoryCallback) (*_listDirectoryCallback)(Storage::ListDirectoryResponse(this, files)); +} + +} // End of namespace Id +} // End of namespace Cloud |