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/* 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 "net/NetJob.h"
#include "GoUpdate.h"
#include "multimc_logic_export.h"
class MULTIMC_LOGIC_EXPORT UpdateChecker : public QObject
{
Q_OBJECT
public:
UpdateChecker(QString channelListUrl, QString currentChannel, int currentBuild);
void checkForUpdate(QString updateChannel, bool notifyNoUpdate);
/*!
* Causes the update checker to download the channel list from the URL specified in config.h (generated by CMake).
* If this isn't called before checkForUpdate(), it will automatically be called.
*/
void updateChanList(bool notifyNoUpdate);
/*!
* An entry in the channel list.
*/
struct ChannelListEntry
{
QString id;
QString name;
QString description;
QString url;
};
/*!
* Returns a the current channel list.
* If the channel list hasn't been loaded, this list will be empty.
*/
QList<ChannelListEntry> getChannelList() const;
/*!
* Returns false if the channel list is empty.
*/
bool hasChannels() const;
signals:
//! Signal emitted when an update is available. Passes the URL for the repo and the ID and name for the version.
void updateAvailable(GoUpdate::Status status);
//! Signal emitted when the channel list finishes loading or fails to load.
void channelListLoaded();
void noUpdateFound();
private slots:
void updateCheckFinished(bool notifyNoUpdate);
void updateCheckFailed();
void chanListDownloadFinished(bool notifyNoUpdate);
void chanListDownloadFailed(QString reason);
private:
friend class UpdateCheckerTest;
NetJobPtr indexJob;
QByteArray indexData;
NetJobPtr chanListJob;
QByteArray chanlistData;
QString m_channelListUrl;
QList<ChannelListEntry> m_channels;
/*!
* True while the system is checking for updates.
* If checkForUpdate is called while this is true, it will be ignored.
*/
bool m_updateChecking = false;
/*!
* True if the channel list has loaded.
* If this is false, trying to check for updates will call updateChanList first.
*/
bool m_chanListLoaded = false;
/*!
* Set to true while the channel list is currently loading.
*/
bool m_chanListLoading = false;
/*!
* Set to true when checkForUpdate is called while the channel list isn't loaded.
* When the channel list finishes loading, if this is true, the update checker will check for updates.
*/
bool m_checkUpdateWaiting = false;
/*!
* if m_checkUpdateWaiting, this is the last used update channel
*/
QString m_deferredUpdateChannel;
int m_currentBuild = -1;
QString m_currentChannel;
QString m_currentRepoUrl;
QString m_newRepoUrl;
};
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