3 files changed, 53 insertions, 63 deletions

diff --git a/logic/tasks/ProgressProvider.h b/logic/tasks/ProgressProvider.h
new file mode 100644
index 00000000..e158eb54
--- /dev/null
+++ b/logic/tasks/ProgressProvider.h
@@ -0,0 +1,20 @@
+#pragma once
+#include <QObject>
+class ProgressProvider : public QObject
+{
+	Q_OBJECT
+protected:
+    explicit ProgressProvider(QObject* parent = 0): QObject(parent){}
+signals:
+	void started();
+	void progress(qint64 current, qint64 total);
+	void succeeded();
+	void failed(QString reason);
+	void status(QString status);
+public:
+	virtual QString getStatus() const = 0;
+	virtual void getProgress(qint64 &current, qint64 &total) = 0;
+	virtual bool isRunning() const = 0;
+public slots:
+	virtual void start() = 0;
+};
diff --git a/logic/tasks/Task.cpp b/logic/tasks/Task.cpp
index 7c148591..c75bcb8f 100644
--- a/logic/tasks/Task.cpp
+++ b/logic/tasks/Task.cpp
@@ -16,70 +16,56 @@
 #include "Task.h"
 
 Task::Task(QObject *parent) :
-	QObject(parent)
+	ProgressProvider(parent)
 {
 	
 }
 
 QString Task::getStatus() const
 {
-	return status;
+	return m_status;
 }
 
-void Task::setStatus(const QString &status)
+void Task::setStatus(const QString &new_status)
 {
-	this->status = status;
-	emitStatusChange(status);
+	m_status = new_status;
+	emit status(new_status);
 }
 
-int Task::getProgress() const
+void Task::setProgress(int new_progress)
 {
-	return progress;
+	m_progress = new_progress;
+	emit progress(new_progress, 100);
 }
 
-void Task::setProgress(int progress)
+void Task::getProgress(qint64& current, qint64& total)
 {
-	this->progress = progress;
-	emitProgressChange(progress);
+	current = m_progress;
+	total = 100;
 }
 
-void Task::startTask()
-{
-	emitStarted();
-	executeTask();
-}
 
-void Task::emitStarted()
+void Task::start()
 {
-	running = true;
+	m_running = true;
 	emit started();
+	executeTask();
 }
 
 void Task::emitFailed(QString reason)
 {
-	running = false;
+	m_running = false;
 	emit failed(reason);
 }
 
 void Task::emitSucceeded()
 {
-	running = false;
+	m_running = false;
 	emit succeeded();
 }
 
 
 bool Task::isRunning() const
 {
-	return running;
-}
-
-
-void Task::emitStatusChange(const QString &status)
-{
-	emit statusChanged(status);
-}
-
-void Task::emitProgressChange(int progress)
-{
-	emit progressChanged(progress);
+	return m_running;
 }
diff --git a/logic/tasks/Task.h b/logic/tasks/Task.h
index 91852b0f..cfe71c51 100644
--- a/logic/tasks/Task.h
+++ b/logic/tasks/Task.h
@@ -13,53 +13,37 @@
  * limitations under the License.
  */
 
-#ifndef TASK_H
-#define TASK_H
+#pragma once
 
 #include <QObject>
 #include <QString>
+#include "ProgressProvider.h"
 
-class Task : public QObject
+class Task : public ProgressProvider
 {
 	Q_OBJECT
 public:
 	explicit Task(QObject *parent = 0);
 	
-	QString getStatus() const;
-	int getProgress() const;
-	bool isRunning() const;
+	virtual QString getStatus() const;
+    virtual void getProgress(qint64& current, qint64& total);
+	virtual bool isRunning() const;
 	
 public slots:
-	void startTask();
-	
-protected slots:
-	void setStatus(const QString& status);
-	void setProgress(int progress);
-	
-signals:
-	void started();
-	void failed(QString reason);
-	void succeeded();
-	
-	void statusChanged(Task* task, const QString& status);
-	void progressChanged(Task* task, int progress);
-	
-	void statusChanged(const QString& status);
-	void progressChanged(int progress);
+	virtual void start();
 	
 protected:
 	virtual void executeTask() = 0;
 	
-	virtual void emitStarted();
-	virtual void emitFailed(QString reason);
 	virtual void emitSucceeded();
+	virtual void emitFailed(QString reason);
+
+protected slots:
+	void setStatus(const QString& status);
+	void setProgress(int progress);
 	
-	virtual void emitStatusChange(const QString &status);
-	virtual void emitProgressChange(int progress);
-	
-	QString status;
-	int progress;
-	bool running = false;
+protected:
+	QString m_status;
+	int m_progress = 0;
+	bool m_running = false;
 };
-
-#endif // TASK_H