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#include "localqmlprofilerrunner.h"
#include "qmlprofilerplugin.h"
#include "qmlprofilerengine.h"

#include <analyzerbase/analyzerstartparameters.h>
#include <projectexplorer/runconfiguration.h>
#include <projectexplorer/localapplicationrunconfiguration.h>
#include <projectexplorer/environmentaspect.h>

using namespace QmlProfiler;
using namespace QmlProfiler::Internal;
using namespace ProjectExplorer;

LocalQmlProfilerRunner *LocalQmlProfilerRunner::createLocalRunner(
        RunConfiguration *runConfiguration,
        const Analyzer::AnalyzerStartParameters &sp,
        QString *errorMessage,
        QmlProfilerRunControl *engine)
{
    LocalApplicationRunConfiguration *larc =
                   qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
    QTC_ASSERT(larc, return 0);
    ProjectExplorer::EnvironmentAspect *environment
            = runConfiguration->extraAspect<ProjectExplorer::EnvironmentAspect>();
    QTC_ASSERT(environment, return 0);
    Configuration conf;
    conf.executable = larc->executable();
    conf.executableArguments = larc->commandLineArguments();
    conf.workingDirectory = larc->workingDirectory();
    conf.environment = environment->environment();

    conf.port = sp.analyzerPort;

    if (conf.executable.isEmpty()) {
        if (errorMessage)
            *errorMessage = tr("No executable file to launch.");
        return 0;
    }
    return new LocalQmlProfilerRunner(conf, engine);
}

LocalQmlProfilerRunner::LocalQmlProfilerRunner(const Configuration &configuration,
                                               QmlProfilerRunControl *engine) :
    AbstractQmlProfilerRunner(engine),
    m_configuration(configuration),
    m_engine(engine)
{
    connect(&m_launcher, SIGNAL(appendMessage(QString,Utils::OutputFormat)),
            this, SIGNAL(appendMessage(QString,Utils::OutputFormat)));
}

LocalQmlProfilerRunner::~LocalQmlProfilerRunner()
{
    disconnect();
}

void LocalQmlProfilerRunner::start()
{
    if (m_engine->mode() != Analyzer::StartLocal)
        return;

    QString arguments = QString::fromLatin1("-qmljsdebugger=port:%1,block").arg(m_configuration.port);

    if (!m_configuration.executableArguments.isEmpty())
        arguments += QLatin1Char(' ') + m_configuration.executableArguments;

    if (QmlProfilerPlugin::debugOutput)
        qWarning("QmlProfiler: Launching %s:%d", qPrintable(m_configuration.executable),
                 m_configuration.port);

    m_launcher.setWorkingDirectory(m_configuration.workingDirectory);
    m_launcher.setEnvironment(m_configuration.environment);
    connect(&m_launcher, SIGNAL(processExited(int,QProcess::ExitStatus)),
            this, SLOT(spontaneousStop(int,QProcess::ExitStatus)));
    m_launcher.start(ProjectExplorer::ApplicationLauncher::Gui, m_configuration.executable,
                     arguments);

    emit started();
}

void LocalQmlProfilerRunner::spontaneousStop(int exitCode, QProcess::ExitStatus status)
{
    if (QmlProfilerPlugin::debugOutput) {
        if (status == QProcess::CrashExit)
            qWarning("QmlProfiler: Application crashed.");
        else
            qWarning("QmlProfiler: Application exited (exit code %d).", exitCode);
    }

    disconnect(&m_launcher, SIGNAL(processExited(int,QProcess::ExitStatus)),
               this, SLOT(spontaneousStop(int,QProcess::ExitStatus)));

    emit stopped();
}

void LocalQmlProfilerRunner::stop()
{
    if (m_engine->mode() != Analyzer::StartLocal)
        return;

    if (QmlProfilerPlugin::debugOutput)
        qWarning("QmlProfiler: Stopping application ...");

    if (m_launcher.isRunning())
        m_launcher.stop();
}

quint16 LocalQmlProfilerRunner::debugPort() const
{
    return m_configuration.port;
}
