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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 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 = StorageFile();
_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;
if (response.request) _date = response.request->date();
StorageFile directory = response.value;
directory.setPath(_requestedPath);
_directoriesQueue.push_back(directory);
listNextDirectory();
}
void GoogleDriveListDirectoryRequest::idResolveErrorCallback(Networking::ErrorResponse error) {
_workingRequest = nullptr;
if (_ignoreCallback) return;
if (error.request) _date = error.request->date();
finishError(error);
}
void GoogleDriveListDirectoryRequest::listNextDirectory() {
if (_directoriesQueue.empty()) {
finishListing(_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.id(), callback, failureCallback);
}
void GoogleDriveListDirectoryRequest::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 GoogleDriveListDirectoryRequest::listedDirectoryErrorCallback(Networking::ErrorResponse error) {
_workingRequest = nullptr;
if (_ignoreCallback) return;
if (error.request) _date = error.request->date();
finishError(error);
}
void GoogleDriveListDirectoryRequest::handle() {}
void GoogleDriveListDirectoryRequest::restart() { start(); }
Common::String GoogleDriveListDirectoryRequest::date() const { return _date; }
void GoogleDriveListDirectoryRequest::finishListing(Common::Array<StorageFile> &files) {
Request::finishSuccess();
if (_listDirectoryCallback) (*_listDirectoryCallback)(Storage::ListDirectoryResponse(this, files));
}
} // End of namespace GoogleDrive
} // End of namespace Cloud
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