PrismLauncher/api/logic/launch/steps/Update.cpp

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/* 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()
{
if(m_aborted)
{
emitFailed(tr("Task aborted."));
return;
}
m_updateTask.reset(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())
{
m_updateTask.reset();
emitSucceeded();
}
else
{
QString reason = tr("Instance update failed because: %1.\n\n").arg(m_updateTask->failReason());
m_updateTask.reset();
emit logLine(reason, MessageLevel::Fatal);
emitFailed(reason);
}
}
bool Update::canAbort() const
{
if(m_updateTask)
{
return m_updateTask->canAbort();
}
return true;
}
bool Update::abort()
{
m_aborted = true;
if(m_updateTask)
{
if(m_updateTask->canAbort())
{
return m_updateTask->abort();
}
}
return true;
}