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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (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 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 <qstack.h>
#include <qdatetime.h>
#include <qdir.h>
#include <qelapsedtimer.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 mFileInfo.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;
};
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;
void directoryLoaded(const QString &path);
public:
QFileInfoGatherer(QObject *parent = 0);
~QFileInfoGatherer();
void clear();
void removePath(const QString &path);
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, QElapsedTimer &base, bool &firstTime, QList<QPair<QString, QFileInfo> > &updatedFiles, const QString &path);
QString translateDriveName(const QFileInfo &drive) const;
QMutex mutex;
QWaitCondition condition;
volatile 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
};
#endif // QT_NO_FILESYSTEMMODEL
QT_END_NAMESPACE
#endif // QFILEINFOGATHERER_H
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