Long live Qt 4.5!

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diff --git a/src/gui/dialogs/qfileinfogatherer_p.h b/src/gui/dialogs/qfileinfogatherer_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QFILEINFOGATHERER_H
+#define QFILEINFOGATHERER_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <qthread.h>
+#include <qmutex.h>
+#include <qwaitcondition.h>
+#include <qfilesystemwatcher.h>
+#include <qfileiconprovider.h>
+#include <qfsfileengine.h>
+#include <qpair.h>
+#include <qdatetime.h>
+#include <qstack.h>
+#include <qdir.h>
+
+QT_BEGIN_NAMESPACE
+
+class QExtendedInformation {
+public:
+    enum Type { Dir, File, System };
+
+    QExtendedInformation() {}
+    QExtendedInformation(const QFileInfo &info) : mFileInfo(info) {}
+
+    inline bool isDir() { return type() == Dir; }
+    inline bool isFile() { return type() == File; }
+    inline bool isSystem() { return type() == System; }
+
+    bool operator ==(const QExtendedInformation &fileInfo) const {
+       return mFileInfo == fileInfo.mFileInfo
+       && displayType == fileInfo.displayType
+       && permissions() == fileInfo.permissions();
+    }
+
+    bool isCaseSensitive() const {
+        QFSFileEngine fe(mFileInfo.absoluteFilePath());
+        return fe.caseSensitive();
+    }
+    QFile::Permissions permissions() const {
+        return mPermissions;
+    }
+
+    void setPermissions (QFile::Permissions permissions) {
+        mPermissions = permissions;
+    }
+
+    Type type() const {
+        if (mFileInfo.isDir()) {
+            return QExtendedInformation::Dir;
+        }
+        if (mFileInfo.isFile()) {
+            return QExtendedInformation::File;
+        }
+        if (!mFileInfo.exists() && mFileInfo.isSymLink()) {
+            return QExtendedInformation::System;
+        }
+        return QExtendedInformation::System;
+    }
+
+    bool isSymLink() const {
+        return mFileInfo.isSymLink();
+    }
+
+    bool isHidden() const {
+        return mFileInfo.isHidden();
+    }
+
+    QFileInfo fileInfo() const {
+        return mFileInfo;
+    }
+
+    QDateTime lastModified() const {
+        return mFileInfo.lastModified();
+    }
+
+    qint64 size() const {
+        qint64 size = -1;
+        if (type() == QExtendedInformation::Dir)
+            size = 0;
+        if (type() == QExtendedInformation::File)
+            size = mFileInfo.size();
+        if (!mFileInfo.exists() && !mFileInfo.isSymLink())
+            size = -1;
+        return size;
+    }
+
+    QString displayType;
+    QIcon icon;
+
+private :
+    QFileInfo mFileInfo;
+    QFile::Permissions mPermissions;
+};
+
+class QFileIconProvider;
+
+#ifndef QT_NO_FILESYSTEMMODEL
+
+class Q_AUTOTEST_EXPORT QFileInfoGatherer : public QThread
+{
+Q_OBJECT
+
+Q_SIGNALS:
+    void updates(const QString &directory, const QList<QPair<QString, QFileInfo> > &updates);
+    void newListOfFiles(const QString &directory, const QStringList &listOfFiles) const;
+    void nameResolved(const QString &fileName, const QString &resolvedName) const;
+
+public:
+    QFileInfoGatherer(QObject *parent = 0);
+    ~QFileInfoGatherer();
+
+    void clear();
+    QExtendedInformation getInfo(const QFileInfo &info) const;
+
+public Q_SLOTS:
+    void list(const QString &directoryPath);
+    void fetchExtendedInformation(const QString &path, const QStringList &files);
+    void updateFile(const QString &path);
+    void setResolveSymlinks(bool enable);
+    bool resolveSymlinks() const;
+    void setIconProvider(QFileIconProvider *provider);
+    QFileIconProvider *iconProvider() const;
+
+protected:
+    void run();
+    void getFileInfos(const QString &path, const QStringList &files);
+
+private:
+    void fetch(const QFileInfo &info, QTime &base, bool &firstTime, QList<QPair<QString, QFileInfo> > &updatedFiles, const QString &path);
+    QString translateDriveName(const QFileInfo &drive) const;
+    QFile::Permissions translatePermissions(const QFileInfo &fileInfo) const;
+
+    QMutex mutex;
+    QWaitCondition condition;
+    bool abort;
+
+    QStack<QString> path;
+    QStack<QStringList> files;
+
+#ifndef QT_NO_FILESYSTEMWATCHER
+    QFileSystemWatcher *watcher;
+#endif
+    bool m_resolveSymlinks;
+    QFileIconProvider *m_iconProvider;
+    QFileIconProvider defaultProvider;
+#ifndef Q_OS_WIN
+    uint userId;
+    uint groupId;
+#endif
+public :
+    //for testing purpose
+    static bool fetchedRoot;
+};
+#endif // QT_NO_FILESYSTEMMODEL
+
+
+QT_END_NAMESPACE
+#endif // QFILEINFOGATHERER_H
+