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author | Alexander Tkachev | 2016-07-13 14:57:01 +0600 |
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committer | Alexander Tkachev | 2016-08-24 16:07:55 +0600 |
commit | 2b3caf1efadd2a68384978e77cfceab158c703f3 (patch) | |
tree | e694877b876d6fdf578f1c9e9a73ea6b2ebbfe75 /backends/cloud/id/idlistdirectoryrequest.cpp | |
parent | e0a6b2135de6a83f2ed4177c96fabf216412e5fb (diff) | |
download | scummvm-rg350-2b3caf1efadd2a68384978e77cfceab158c703f3.tar.gz scummvm-rg350-2b3caf1efadd2a68384978e77cfceab158c703f3.tar.bz2 scummvm-rg350-2b3caf1efadd2a68384978e77cfceab158c703f3.zip |
CLOUD: Add IdStorage
This is a special base class for Storages which are using ids instead of
paths in their APIs, like Box or Google Drive.
This commit makes Box derived from IdStorage.
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 |