85 lines
1.8 KiB
C++
85 lines
1.8 KiB
C++
#include "SequentialTask.h"
|
|
|
|
SequentialTask::SequentialTask(QObject *parent) :
|
|
Task(parent), m_currentIndex(-1)
|
|
{
|
|
|
|
}
|
|
|
|
QString SequentialTask::getStatus() const
|
|
{
|
|
if (m_queue.isEmpty() || m_currentIndex >= m_queue.size())
|
|
{
|
|
return QString();
|
|
}
|
|
return m_queue.at(m_currentIndex)->getStatus();
|
|
}
|
|
|
|
void SequentialTask::getProgress(qint64 ¤t, qint64 &total)
|
|
{
|
|
current = 0;
|
|
total = 0;
|
|
for (int i = 0; i < m_queue.size(); ++i)
|
|
{
|
|
qint64 subCurrent, subTotal;
|
|
m_queue.at(i)->getProgress(subCurrent, subTotal);
|
|
current += subCurrent;
|
|
total += subTotal;
|
|
}
|
|
}
|
|
|
|
void SequentialTask::addTask(std::shared_ptr<ProgressProvider> task)
|
|
{
|
|
m_queue.append(task);
|
|
}
|
|
|
|
void SequentialTask::executeTask()
|
|
{
|
|
m_currentIndex = -1;
|
|
startNext();
|
|
}
|
|
|
|
void SequentialTask::startNext()
|
|
{
|
|
if (m_currentIndex != -1)
|
|
{
|
|
std::shared_ptr<ProgressProvider> previous = m_queue[m_currentIndex];
|
|
disconnect(previous.get(), 0, this, 0);
|
|
}
|
|
m_currentIndex++;
|
|
if (m_queue.isEmpty() || m_currentIndex >= m_queue.size())
|
|
{
|
|
emitSucceeded();
|
|
return;
|
|
}
|
|
std::shared_ptr<ProgressProvider> next = m_queue[m_currentIndex];
|
|
connect(next.get(), SIGNAL(failed(QString)), this, SLOT(subTaskFailed(QString)));
|
|
connect(next.get(), SIGNAL(status(QString)), this, SLOT(subTaskStatus(QString)));
|
|
connect(next.get(), SIGNAL(progress(qint64,qint64)), this, SLOT(subTaskProgress()));
|
|
connect(next.get(), SIGNAL(succeeded()), this, SLOT(startNext()));
|
|
next->start();
|
|
emit status(getStatus());
|
|
}
|
|
|
|
void SequentialTask::subTaskFailed(const QString &msg)
|
|
{
|
|
emitFailed(msg);
|
|
}
|
|
void SequentialTask::subTaskStatus(const QString &msg)
|
|
{
|
|
setStatus(msg);
|
|
}
|
|
void SequentialTask::subTaskProgress()
|
|
{
|
|
qint64 current, total;
|
|
getProgress(current, total);
|
|
if (total == 0)
|
|
{
|
|
setProgress(0);
|
|
}
|
|
else
|
|
{
|
|
setProgress(100 * current / total);
|
|
}
|
|
}
|