56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#include "SequentialTask.h"
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SequentialTask::SequentialTask(QObject *parent) : Task(parent), m_currentIndex(-1)
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{
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}
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void SequentialTask::addTask(std::shared_ptr<Task> task)
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{
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m_queue.append(task);
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}
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void SequentialTask::executeTask()
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{
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m_currentIndex = -1;
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startNext();
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}
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void SequentialTask::startNext()
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{
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if (m_currentIndex != -1)
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{
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std::shared_ptr<Task> previous = m_queue[m_currentIndex];
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disconnect(previous.get(), 0, this, 0);
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}
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m_currentIndex++;
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if (m_queue.isEmpty() || m_currentIndex >= m_queue.size())
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{
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emitSucceeded();
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return;
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}
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std::shared_ptr<Task> next = m_queue[m_currentIndex];
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connect(next.get(), SIGNAL(failed(QString)), this, SLOT(subTaskFailed(QString)));
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connect(next.get(), SIGNAL(status(QString)), this, SLOT(subTaskStatus(QString)));
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connect(next.get(), SIGNAL(progress(qint64, qint64)), this, SLOT(subTaskProgress(qint64, qint64)));
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connect(next.get(), SIGNAL(succeeded()), this, SLOT(startNext()));
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next->start();
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}
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void SequentialTask::subTaskFailed(const QString &msg)
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{
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emitFailed(msg);
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}
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void SequentialTask::subTaskStatus(const QString &msg)
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{
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setStatusText(msg);
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}
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void SequentialTask::subTaskProgress(qint64 current, qint64 total)
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{
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if(total == 0)
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{
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setProgress(0, 100);
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return;
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}
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setProgress(current, total);
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}
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