Clementine-audio-player-Mac.../src/core/taskmanager.h

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/* This file is part of Clementine.
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Copyright 2010-2011, David Sansome <me@davidsansome.com>
Copyright 2011, Arnaud Bienner <arnaud.bienner@gmail.com>
Copyright 2012, 2014, John Maguire <john.maguire@gmail.com>
Copyright 2014, Krzysztof Sobiecki <sobkas@gmail.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
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#ifndef CORE_TASKMANAGER_H_
#define CORE_TASKMANAGER_H_
#include <QMap>
#include <QMutex>
#include <QObject>
class TaskManager : public QObject {
Q_OBJECT
public:
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explicit TaskManager(QObject* parent = nullptr);
struct Task {
int id;
QString name;
int progress;
int progress_max;
bool blocks_library_scans;
};
class ScopedTask {
public:
ScopedTask(const int task_id, TaskManager* task_manager)
: task_id_(task_id), task_manager_(task_manager) {}
~ScopedTask() { task_manager_->SetTaskFinished(task_id_); }
private:
const int task_id_;
TaskManager* task_manager_;
Q_DISABLE_COPY(ScopedTask);
};
// Everything here is thread safe
QList<Task> GetTasks();
int StartTask(const QString& name);
void SetTaskBlocksLibraryScans(int id);
void SetTaskProgress(int id, int progress, int max = 0);
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void IncreaseTaskProgress(int id, int progress, int max = 0);
void SetTaskFinished(int id);
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int GetTaskProgress(int id);
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signals:
void TasksChanged();
void PauseLibraryWatchers();
void ResumeLibraryWatchers();
private:
QMutex mutex_;
QMap<int, Task> tasks_;
int next_task_id_;
Q_DISABLE_COPY(TaskManager);
};
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#endif // CORE_TASKMANAGER_H_