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0043d344a9
Use references everywhere it's possible. Use override keyword to raise errors when there are discrepancies.
97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "backends/cloud/id/idstreamfilerequest.h"
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#include "backends/cloud/id/idstorage.h"
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namespace Cloud {
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namespace Id {
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IdStreamFileRequest::IdStreamFileRequest(IdStorage *storage, const Common::String &path, Networking::NetworkReadStreamCallback cb, Networking::ErrorCallback ecb):
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Networking::Request(nullptr, ecb), _requestedFile(path), _storage(storage), _streamCallback(cb),
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_workingRequest(nullptr), _ignoreCallback(false) {
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start();
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}
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IdStreamFileRequest::~IdStreamFileRequest() {
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_ignoreCallback = true;
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if (_workingRequest)
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_workingRequest->finish();
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delete _streamCallback;
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}
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void IdStreamFileRequest::start() {
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//cleanup
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_ignoreCallback = true;
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if (_workingRequest)
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_workingRequest->finish();
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_workingRequest = nullptr;
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_ignoreCallback = false;
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//find file's id
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Storage::UploadCallback innerCallback = new Common::Callback<IdStreamFileRequest, const Storage::UploadResponse &>(this, &IdStreamFileRequest::idResolvedCallback);
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Networking::ErrorCallback innerErrorCallback = new Common::Callback<IdStreamFileRequest, const Networking::ErrorResponse &>(this, &IdStreamFileRequest::idResolveFailedCallback);
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_workingRequest = _storage->resolveFileId(_requestedFile, innerCallback, innerErrorCallback);
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}
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void IdStreamFileRequest::idResolvedCallback(const Storage::UploadResponse &response) {
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_workingRequest = nullptr;
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if (_ignoreCallback)
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return;
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Networking::NetworkReadStreamCallback innerCallback = new Common::Callback<IdStreamFileRequest, const Networking::NetworkReadStreamResponse &>(this, &IdStreamFileRequest::streamFileCallback);
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Networking::ErrorCallback innerErrorCallback = new Common::Callback<IdStreamFileRequest, const Networking::ErrorResponse &>(this, &IdStreamFileRequest::streamFileErrorCallback);
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_workingRequest = _storage->streamFileById(response.value.id(), innerCallback, innerErrorCallback);
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}
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void IdStreamFileRequest::idResolveFailedCallback(const Networking::ErrorResponse &error) {
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_workingRequest = nullptr;
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if (_ignoreCallback)
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return;
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finishError(error);
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}
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void IdStreamFileRequest::streamFileCallback(const Networking::NetworkReadStreamResponse &response) {
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_workingRequest = nullptr;
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if (_ignoreCallback)
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return;
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finishStream(response.value);
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}
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void IdStreamFileRequest::streamFileErrorCallback(const Networking::ErrorResponse &error) {
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_workingRequest = nullptr;
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if (_ignoreCallback)
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return;
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finishError(error);
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}
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void IdStreamFileRequest::handle() {}
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void IdStreamFileRequest::restart() { start(); }
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void IdStreamFileRequest::finishStream(Networking::NetworkReadStream *stream) {
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Request::finishSuccess();
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if (_streamCallback)
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(*_streamCallback)(Networking::NetworkReadStreamResponse(this, stream));
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}
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} // End of namespace Id
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} // End of namespace Cloud
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