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path: root/logic/launch/steps/PreLaunchCommand.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 "PreLaunchCommand.h"
#include <launch/LaunchTask.h>

PreLaunchCommand::PreLaunchCommand(LaunchTask *parent) : LaunchStep(parent)
{
	auto instance = m_parent->instance();
	m_command = instance->getPreLaunchCommand();
	m_process.setProcessEnvironment(instance->createEnvironment());
	connect(&m_process, &LoggedProcess::log, this, &PreLaunchCommand::logLines);
	connect(&m_process, &LoggedProcess::stateChanged, this, &PreLaunchCommand::on_state);
}

void PreLaunchCommand::executeTask()
{
	//FIXME: where to put this?
	QString prelaunch_cmd = m_parent->substituteVariables(m_command);
	emit logLine(tr("Running Pre-Launch command: %1").arg(prelaunch_cmd), MessageLevel::MultiMC);
	m_process.start(prelaunch_cmd);
}

void PreLaunchCommand::on_state(LoggedProcess::State state)
{
	switch(state)
	{
		case LoggedProcess::Aborted:
		case LoggedProcess::Crashed:
		case LoggedProcess::FailedToStart:
		{
			QString error = tr("Pre-Launch command failed with code %1.\n\n").arg(m_process.exitCode());
			emit logLine(error, MessageLevel::Fatal);
			emitFailed(error);
			return;
		}
		case LoggedProcess::Finished:
		{
			emit logLine(tr("Pre-Launch command ran successfully.\n\n"), MessageLevel::MultiMC);
			emitSucceeded();
		}
		default:
			break;
	}
}

void PreLaunchCommand::setWorkingDirectory(const QString &wd)
{
	m_process.setWorkingDirectory(wd);
}

bool PreLaunchCommand::abort()
{
	auto state = m_process.state();
	if (state == LoggedProcess::Running || state == LoggedProcess::Starting)
	{
		m_process.kill();
	}
	return true;
}