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****************************************************************************/

#include "qsensorpluginloader_p.h"
#include <QtCore/qcoreapplication.h>
#include <QtCore/qdir.h>
#include <QtCore/qdebug.h>

#include "qsensorplugin.h"

QTM_BEGIN_NAMESPACE

QSensorPluginLoader::QSensorPluginLoader(const char *iid, const QString &location)
    : m_iid(iid)
{
    m_location = location + QLatin1String("/");
    load();
}

QSensorPluginLoader::~QSensorPluginLoader()
{
    Q_FOREACH (QPluginLoader *loader, m_loaders) {
        bool ok = loader->unload();
        if (!ok) qWarning() << "Cannot unload" << loader->fileName();
        delete loader;
    }
}

void QSensorPluginLoader::load()
{
    if (!m_plugins.isEmpty())
        return;

    QStringList     paths = QCoreApplication::libraryPaths();

    Q_FOREACH (QString const &path, paths) {
        QString pluginPathName(path + m_location);
        QDir pluginDir(pluginPathName);

        if (!pluginDir.exists())
            continue;

        Q_FOREACH (QString pluginLib, pluginDir.entryList(QDir::Files)) {
            QPluginLoader *loader = new QPluginLoader(pluginPathName + pluginLib);

            QObject *o = loader->instance();
            if (o != 0 && o->qt_metacast(m_iid) != 0) {
                QSensorPluginInterface *p = qobject_cast<QSensorPluginInterface*>(o);
                if (p != 0) {
                    m_plugins << p;
                    m_loaders << loader;
                } else {
                    loader->unload();
                    delete loader;
                }

                continue;
            } else {
                qWarning() << "QSensorPluginLoader: Failed to load plugin: " << pluginLib << loader->errorString();
            }
            delete o;
            loader->unload();
            delete loader;
        }
    }
}

QTM_END_NAMESPACE

