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/* Copyright 2013-2018 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 "tasks/Task.h"
#include "net/NetJob.h"
#include "GoUpdate.h"
#include "multimc_logic_export.h"
namespace GoUpdate
{
/*!
* The DownloadTask is a task that takes a given version ID and repository URL,
* downloads that version's files from the repository, and prepares to install them.
*/
class MULTIMC_LOGIC_EXPORT DownloadTask : public Task
{
Q_OBJECT
public:
/**
* Create a download task
*
* target is a template - XXXXXX at the end will be replaced with a random generated string, ensuring uniqueness
*/
explicit DownloadTask(Status status, QString target, QObject* parent = 0);
/// Get the directory that will contain the update files.
QString updateFilesDir();
/// Get the list of operations that should be done
OperationList operations();
/// set updater download behavior
void setUseLocalUpdater(bool useLocal);
protected:
//! Entry point for tasks.
virtual void executeTask() override;
/*!
* Downloads the version info files from the repository.
* The files for both the current build, and the build that we're updating to need to be downloaded.
* If the current version's info file can't be found, MultiMC will not delete files that
* were removed between versions. It will still replace files that have changed, however.
* Note that although the repository URL for the current version is not given to the update task,
* the task will attempt to look it up in the UpdateChecker's channel list.
* If an error occurs here, the function will call emitFailed and return false.
*/
void loadVersionInfo();
NetJobPtr m_vinfoNetJob;
QByteArray currentVersionFileListData;
QByteArray newVersionFileListData;
Net::Download::Ptr m_currentVersionFileListDownload;
Net::Download::Ptr m_newVersionFileListDownload;
NetJobPtr m_filesNetJob;
Status m_status;
OperationList m_operations;
/*!
* Temporary directory to store update files in.
* This will be set to not auto delete. Task will fail if this fails to be created.
*/
QTemporaryDir m_updateFilesDir;
protected slots:
/*!
* This function is called when version information is finished downloading
* and at least the new file list download succeeded
*/
void processDownloadedVersionInfo();
void vinfoDownloadFailed();
void fileDownloadFinished();
void fileDownloadFailed(QString reason);
void fileDownloadProgressChanged(qint64 current, qint64 total);
};
}
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