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Diffstat (limited to 'api/logic/updater/DownloadTask.h')
-rw-r--r-- | api/logic/updater/DownloadTask.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/api/logic/updater/DownloadTask.h b/api/logic/updater/DownloadTask.h new file mode 100644 index 00000000..83b4a142 --- /dev/null +++ b/api/logic/updater/DownloadTask.h @@ -0,0 +1,95 @@ +/* Copyright 2013-2014 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; + ByteArrayDownloadPtr m_currentVersionFileListDownload; + ByteArrayDownloadPtr 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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