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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 <QUrl>
+
+#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;
+ NetJobPtr chanListJob;
+
+ 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;
+
+ /*!
+ * True if the channel list has loaded.
+ * If this is false, trying to check for updates will call updateChanList first.
+ */
+ bool m_chanListLoaded;
+
+ /*!
+ * Set to true while the channel list is currently loading.
+ */
+ bool m_chanListLoading;
+
+ /*!
+ * 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;
+
+ /*!
+ * 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;
+};
+