NOISSUE Flatten gui and logic libraries into MultiMC

1 files changed, 55 insertions, 0 deletions

diff --git a/launcher/tasks/SequentialTask.cpp b/launcher/tasks/SequentialTask.cpp
new file mode 100644
index 00000000..d0777132
--- /dev/null
+++ b/launcher/tasks/SequentialTask.cpp
@@ -0,0 +1,55 @@
+#include "SequentialTask.h"
+
+SequentialTask::SequentialTask(QObject *parent) : Task(parent), m_currentIndex(-1)
+{
+}
+
+void SequentialTask::addTask(std::shared_ptr<Task> task)
+{
+    m_queue.append(task);
+}
+
+void SequentialTask::executeTask()
+{
+    m_currentIndex = -1;
+    startNext();
+}
+
+void SequentialTask::startNext()
+{
+    if (m_currentIndex != -1)
+    {
+        std::shared_ptr<Task> 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<Task> 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()));
+    next->start();
+}
+
+void SequentialTask::subTaskFailed(const QString &msg)
+{
+    emitFailed(msg);
+}
+void SequentialTask::subTaskStatus(const QString &msg)
+{
+    setStatus(msg);
+}
+void SequentialTask::subTaskProgress(qint64 current, qint64 total)
+{
+    if(total == 0)
+    {
+        setProgress(0, 100);
+        return;
+    }
+    setProgress(current, total);
+}