/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#include "localapplicationruncontrol.h"
#include "applicationrunconfiguration.h"
#include "projectexplorerconstants.h"

#include <utils/outputformat.h>
#include <utils/qtcassert.h>
#include <utils/environment.h>

#include <QtGui/QLabel>
#include <QtGui/QIcon>
#include <QtCore/QDir>

namespace ProjectExplorer {
namespace Internal {

LocalApplicationRunControlFactory::LocalApplicationRunControlFactory()
{
}

LocalApplicationRunControlFactory::~LocalApplicationRunControlFactory()
{
}

bool LocalApplicationRunControlFactory::canRun(ProjectExplorer::RunConfiguration *runConfiguration, const QString &mode) const
{
    return (mode == ProjectExplorer::Constants::RUNMODE)
            && (qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration) != 0);
}

QString LocalApplicationRunControlFactory::displayName() const
{
    return tr("Run");
}

RunControl *LocalApplicationRunControlFactory::create(ProjectExplorer::RunConfiguration *runConfiguration, const QString &mode)
{
    QTC_ASSERT(canRun(runConfiguration, mode), return 0);
    return new LocalApplicationRunControl(qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration), mode);
}

RunConfigWidget *LocalApplicationRunControlFactory::createConfigurationWidget(RunConfiguration *runConfiguration)
{
    Q_UNUSED(runConfiguration)
    return 0;
}

// ApplicationRunControl

LocalApplicationRunControl::LocalApplicationRunControl(LocalApplicationRunConfiguration *rc, QString mode)
    : RunControl(rc, mode)
{
    Utils::Environment env = rc->environment();
    QString dir = rc->workingDirectory();
    m_applicationLauncher.setEnvironment(env);
    m_applicationLauncher.setWorkingDirectory(dir);

    m_executable = rc->executable();
    m_runMode = static_cast<ApplicationLauncher::Mode>(rc->runMode());
    m_commandLineArguments = rc->commandLineArguments();

    connect(&m_applicationLauncher, SIGNAL(appendMessage(QString,Utils::OutputFormat)),
            this, SLOT(slotAppendMessage(QString,Utils::OutputFormat)));
    connect(&m_applicationLauncher, SIGNAL(processStarted()),
            this, SLOT(processStarted()));
    connect(&m_applicationLauncher, SIGNAL(processExited(int)),
            this, SLOT(processExited(int)));
    connect(&m_applicationLauncher, SIGNAL(bringToForegroundRequested(qint64)),
            this, SLOT(bringApplicationToForeground(qint64)));
}

LocalApplicationRunControl::~LocalApplicationRunControl()
{
}

void LocalApplicationRunControl::start()
{
    emit started();
    if (m_executable.isEmpty()) {
        appendMessage(tr("No executable specified.\n"), Utils::ErrorMessageFormat);
        emit finished();
    }  else {
        m_applicationLauncher.start(m_runMode, m_executable, m_commandLineArguments);
        setApplicationProcessHandle(ProcessHandle(m_applicationLauncher.applicationPID()));
        QString msg = tr("Starting %1...\n").arg(QDir::toNativeSeparators(m_executable));
        appendMessage(msg, Utils::NormalMessageFormat);
    }
}

LocalApplicationRunControl::StopResult LocalApplicationRunControl::stop()
{
    m_applicationLauncher.stop();
    return StoppedSynchronously;
}

bool LocalApplicationRunControl::isRunning() const
{
    return m_applicationLauncher.isRunning();
}

QIcon LocalApplicationRunControl::icon() const
{
    return QIcon(ProjectExplorer::Constants::ICON_RUN_SMALL);
}

void LocalApplicationRunControl::slotAppendMessage(const QString &err,
                                                   Utils::OutputFormat format)
{
    appendMessage(err, format);
}

void LocalApplicationRunControl::processStarted()
{
    // Console processes only know their pid after being started
    setApplicationProcessHandle(ProcessHandle(m_applicationLauncher.applicationPID()));
}

void LocalApplicationRunControl::processExited(int exitCode)
{
    setApplicationProcessHandle(ProcessHandle());
    QString msg = tr("%1 exited with code %2\n")
        .arg(QDir::toNativeSeparators(m_executable)).arg(exitCode);
    appendMessage(msg, Utils::NormalMessageFormat);
    emit finished();
}

} // namespace Internal
} // namespace ProjectExplorer