1 files changed, 50 insertions, 0 deletions
diff --git a/api/logic/launch/steps/Update.cpp b/api/logic/launch/steps/Update.cpp
new file mode 100644
index 00000000..4901f001
--- /dev/null
+++ b/api/logic/launch/steps/Update.cpp
@@ -0,0 +1,50 @@
+/* Copyright 2013-2015 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Update.h"
+#include <launch/LaunchTask.h>
+
+void Update::executeTask()
+{
+	m_updateTask = m_parent->instance()->createUpdateTask();
+	if(m_updateTask)
+	{
+		connect(m_updateTask.get(), SIGNAL(finished()), this, SLOT(updateFinished()));
+		connect(m_updateTask.get(), &Task::progress, this, &Task::setProgress);
+		connect(m_updateTask.get(), &Task::status, this, &Task::setStatus);
+		emit progressReportingRequest();
+		return;
+	}
+	emitSucceeded();
+}
+
+void Update::proceed()
+{
+	m_updateTask->start();
+}
+
+void Update::updateFinished()
+{
+	if(m_updateTask->successful())
+	{
+		emitSucceeded();
+	}
+	else
+	{
+		QString reason = tr("Instance update failed because: %1.\n\n").arg(m_updateTask->failReason());
+		emit logLine(reason, MessageLevel::Fatal);
+		emitFailed(reason);
+	}
+}