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Diffstat (limited to 'src/widgets/dialogs/qfileinfogatherer_p.h')
| -rw-r--r-- | src/widgets/dialogs/qfileinfogatherer_p.h | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/src/widgets/dialogs/qfileinfogatherer_p.h b/src/widgets/dialogs/qfileinfogatherer_p.h new file mode 100644 index 0000000000..db308ef57e --- /dev/null +++ b/src/widgets/dialogs/qfileinfogatherer_p.h @@ -0,0 +1,207 @@ +/**************************************************************************** +** +** 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(); + } + +#ifndef QT_NO_FSFILEENGINE + bool isCaseSensitive() const { + QFSFileEngine fe(mFileInfo.absoluteFilePath()); + return fe.caseSensitive(); + } +#endif + + 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 + |