177 lines
3.5 KiB
C++
177 lines
3.5 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2021 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#ifndef DISKMANAGER_H
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#define DISKMANAGER_H
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#include <QMap>
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#include <QMutex>
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#include <QObject>
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#include <QTimer>
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#include "common/define.h"
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#include "node/project/project.h"
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namespace olive {
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class DiskCacheFolder : public QObject
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{
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Q_OBJECT
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public:
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DiskCacheFolder(const QString& path, QObject* parent = nullptr);
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virtual ~DiskCacheFolder() override;
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bool ClearCache();
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void Accessed(const QByteArray& hash);
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void CreatedFile(const QString& file_name, const QByteArray& hash);
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const QString& GetPath() const
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{
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return path_;
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}
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void SetPath(const QString& path);
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qint64 GetLimit() const
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{
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return limit_;
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}
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bool GetClearOnClose() const
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{
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return clear_on_close_;
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}
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void SetLimit(qint64 l)
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{
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limit_ = l;
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}
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void SetClearOnClose(bool e)
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{
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clear_on_close_ = e;
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}
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bool DeleteSpecificFile(const QString &f);
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signals:
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void DeletedFrame(const QString& path, const QByteArray& hash);
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private:
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struct HashTime {
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QString file_name;
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qint64 file_size;
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qint64 access_time;
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};
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bool DeleteFileInternal(QMap<QByteArray, HashTime>::iterator hash_to_delete);
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bool DeleteLeastRecent();
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void CloseCacheFolder();
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QString path_;
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QString index_path_;
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QMap<QByteArray, HashTime> disk_data_;
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qint64 consumption_;
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qint64 limit_;
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bool clear_on_close_;
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QTimer save_timer_;
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private slots:
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void SaveDiskCacheIndex();
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};
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class DiskManager : public QObject
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{
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Q_OBJECT
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public:
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static void CreateInstance();
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static void DestroyInstance();
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static DiskManager* instance();
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bool ClearDiskCache(const QString& cache_folder);
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DiskCacheFolder* GetDefaultCacheFolder() const
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{
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// The first folder will always be the default
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return open_folders_.first();
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}
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const QString& GetDefaultCachePath() const
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{
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return GetDefaultCacheFolder()->GetPath();
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}
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DiskCacheFolder* GetOpenFolder(const QString& path);
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const QVector<DiskCacheFolder*>& GetOpenFolders() const
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{
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return open_folders_;
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}
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static bool ShowDiskCacheChangeConfirmationDialog(QWidget* parent);
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static QString GetDefaultDiskCacheConfigFile();
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static QString GetDefaultDiskCachePath();
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void ShowDiskCacheSettingsDialog(DiskCacheFolder* folder, QWidget* parent);
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void ShowDiskCacheSettingsDialog(const QString& path, QWidget* parent);
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public slots:
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void Accessed(const QString& cache_folder, const QByteArray& hash);
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void CreatedFile(const QString& cache_folder, const QString& file_name, const QByteArray& hash);
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void DeleteSpecificFile(const QString &filename);
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signals:
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void DeletedFrame(const QString& path, const QByteArray& hash);
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void InvalidateProject(Project* p);
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private:
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DiskManager();
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virtual ~DiskManager() override;
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static DiskManager* instance_;
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QVector<DiskCacheFolder*> open_folders_;
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};
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}
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#endif // DISKMANAGER_H
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