pollymc/api/logic/net/Download.h
Petr Mrázek dd0e996081 GH-1697 always stale files tolerate errors if a local copy is present
This fixes the situation when liteloader snapshot site is broken
and there's an older local snapshot already present.
2016-10-28 02:19:19 +02:00

76 lines
2.0 KiB
C++

/* Copyright 2013-2015 MultiMC Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "NetAction.h"
#include "HttpMetaCache.h"
#include "Validator.h"
#include "Sink.h"
#include "multimc_logic_export.h"
namespace Net {
class MULTIMC_LOGIC_EXPORT Download : public NetAction
{
Q_OBJECT
public: /* types */
typedef std::shared_ptr<class Download> Ptr;
enum class Option
{
NoOptions = 0,
AcceptLocalFiles = 1
};
Q_DECLARE_FLAGS(Options, Option)
protected: /* con/des */
explicit Download();
public:
virtual ~Download(){};
static Download::Ptr makeCached(QUrl url, MetaEntryPtr entry, Options options = Option::NoOptions);
static Download::Ptr makeByteArray(QUrl url, QByteArray *output, Options options = Option::NoOptions);
static Download::Ptr makeFile(QUrl url, QString path, Options options = Option::NoOptions);
public: /* methods */
QString getTargetFilepath()
{
return m_target_path;
}
void addValidator(Validator * v);
bool abort() override;
bool canAbort() override;
private: /* methods */
bool handleRedirect();
protected slots:
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal) override;
void downloadError(QNetworkReply::NetworkError error) override;
void downloadFinished() override;
void downloadReadyRead() override;
public slots:
void start() override;
private: /* data */
// FIXME: remove this, it has no business being here.
QString m_target_path;
std::unique_ptr<Sink> m_sink;
Options m_options;
};
}
Q_DECLARE_OPERATORS_FOR_FLAGS(Net::Download::Options)