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

**

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

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** $QT_END_LICENSE$

**

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

#include <QApplication>

#include <QStringList>

#if defined(Q_OS_SYMBIAN)

# include <f32file.h>

#endif

QTM_BEGIN_NAMESPACE

class DirChecker

{

public:

    DirChecker();

    ~DirChecker();

    bool checkDir(const QDir& dir);

private:

#if defined(Q_OS_SYMBIAN)

    RFs rfs;

#endif

};

#if defined(Q_OS_SYMBIAN)

DirChecker::DirChecker()

{

    qt_symbian_throwIfError(rfs.Connect());

}

bool DirChecker::checkDir(const QDir& dir)

{

    bool pathFound = false;

    // In Symbian, going cdUp() in a c:/private/<uid3>/ will result in *platsec* error at fileserver (requires AllFiles capability)

    // Also, trying to cd() to a nonexistent directory causes *platsec* error. This does not cause functional harm, but should

    // nevertheless be changed to use native Symbian methods to avoid unnecessary platsec warnings (as per qpluginloader.cpp).

    // Use native Symbian code to check for directory existence, because checking

    // for files from under non-existent protected dir like E:/private/<uid> using

    // QDir::exists causes platform security violations on most apps.

    QString nativePath = QDir::toNativeSeparators(dir.absolutePath());

    TPtrC ptr = TPtrC16(static_cast<const TUint16*>(nativePath.utf16()), nativePath.length());

    TUint attributes;

    TInt err = rfs.Att(ptr, attributes);

    if (err == KErrNone) {

        // yes, the directory exists.

        pathFound = true;

    }

    return pathFound;

}

DirChecker::~DirChecker()

{

    rfs.Close();

}

#else

DirChecker::DirChecker()

{

}

DirChecker::~DirChecker()

{

}

bool DirChecker::checkDir(const QDir &dir)

{

    return dir.exists();

}

#endif

inline QStringList mobilityPlugins(const QString plugintype)

{

#if !defined QT_NO_DEBUG

    const bool showDebug = qgetenv("QT_DEBUG_PLUGINS").toInt() > 0;

#endif

    QStringList paths = QApplication::libraryPaths();

#ifdef QTM_PLUGIN_PATH

    paths << QLatin1String(QTM_PLUGIN_PATH);

#endif

#if !defined QT_NO_DEBUG

    if (showDebug)

        qDebug() << "Plugin paths:" << paths;

#endif

    DirChecker dirChecker;

    //temp variable to avoid multiple identic path

    QSet<QString> processed;

    /* Discover a bunch o plugins */

    QStringList plugins;

    /* Enumerate our plugin paths */

    for (int i=0; i < paths.count(); i++) {

        if (processed.contains(paths.at(i)))

            continue;

        processed.insert(paths.at(i));

        QDir pluginsDir(paths.at(i));

        if (!dirChecker.checkDir(pluginsDir))

            continue;

#if defined(Q_OS_WIN)

        if (pluginsDir.dirName().toLower() == QLatin1String("debug") || pluginsDir.dirName().toLower() == QLatin1String("release"))

            pluginsDir.cdUp();

#elif defined(Q_OS_MAC)

        if (pluginsDir.dirName() == QLatin1String("MacOS")) {

            pluginsDir.cdUp();

            pluginsDir.cdUp();

            pluginsDir.cdUp();

        }

#endif

        QString subdir(QLatin1String("plugins/"));

        subdir += plugintype;

        if (pluginsDir.path().endsWith(QLatin1String("/plugins"))

            || pluginsDir.path().endsWith(QLatin1String("/plugins/")))

            subdir = plugintype;

        if (dirChecker.checkDir(QDir(pluginsDir.path() + QLatin1Char('/') + subdir))) {

            pluginsDir.cd(subdir);

            QStringList files = pluginsDir.entryList(QDir::Files);

#if !defined QT_NO_DEBUG

            if (showDebug)

                qDebug() << "Looking for " << plugintype << " plugins in" << pluginsDir.path() << files;

#endif

            for (int j=0; j < files.count(); j++) {

                plugins <<  pluginsDir.absoluteFilePath(files.at(j));

            }

        }

    }

    return  plugins;

}

QTM_END_NAMESPACE