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#include "SequentialTask.h"
SequentialTask::SequentialTask(QObject* parent, const QString& task_name) : Task(parent), m_name(task_name), m_currentIndex(-1) {}
SequentialTask::~SequentialTask()
{
for(auto task : m_queue){
if(task)
task->deleteLater();
}
}
auto SequentialTask::getStepProgress() const -> qint64
{
return m_stepProgress;
}
auto SequentialTask::getStepTotalProgress() const -> qint64
{
return m_stepTotalProgress;
}
void SequentialTask::addTask(Task::Ptr task)
{
m_queue.append(task);
}
void SequentialTask::executeTask()
{
m_currentIndex = -1;
startNext();
}
bool SequentialTask::abort()
{
bool succeeded = true;
for (auto& task : m_queue) {
if (!task->abort()) succeeded = false;
}
return succeeded;
}
void SequentialTask::startNext()
{
if (m_currentIndex != -1) {
Task::Ptr previous = m_queue[m_currentIndex];
disconnect(previous.get(), 0, this, 0);
}
m_currentIndex++;
if (m_queue.isEmpty() || m_currentIndex >= m_queue.size()) {
emitSucceeded();
return;
}
Task::Ptr 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(qint64, qint64)));
connect(next.get(), SIGNAL(succeeded()), this, SLOT(startNext()));
setStatus(tr("Executing task %1 out of %2").arg(m_currentIndex + 1).arg(m_queue.size()));
next->start();
}
void SequentialTask::subTaskFailed(const QString& msg)
{
emitFailed(msg);
}
void SequentialTask::subTaskStatus(const QString& msg)
{
setStepStatus(m_queue[m_currentIndex]->getStatus());
}
void SequentialTask::subTaskProgress(qint64 current, qint64 total)
{
if (total == 0) {
setProgress(0, 100);
return;
}
setProgress(m_currentIndex, m_queue.count());
m_stepProgress = current;
m_stepTotalProgress = total;
}
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