diff options
Diffstat (limited to 'src/gui/dialogs/qfileinfogatherer.cpp')
| -rw-r--r-- | src/gui/dialogs/qfileinfogatherer.cpp | 355 |
1 files changed, 0 insertions, 355 deletions
diff --git a/src/gui/dialogs/qfileinfogatherer.cpp b/src/gui/dialogs/qfileinfogatherer.cpp deleted file mode 100644 index b36b21e63d..0000000000 --- a/src/gui/dialogs/qfileinfogatherer.cpp +++ /dev/null @@ -1,355 +0,0 @@ -/**************************************************************************** -** -** 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. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qfileinfogatherer_p.h" -#include <qdebug.h> -#include <qfsfileengine.h> -#include <qdiriterator.h> -#ifndef Q_OS_WIN -# include <unistd.h> -# include <sys/types.h> -#endif -#if defined(Q_OS_VXWORKS) -# include "qplatformdefs.h" -#endif - -QT_BEGIN_NAMESPACE - -#ifndef QT_NO_FILESYSTEMMODEL - -#ifdef QT_BUILD_INTERNAL -static bool fetchedRoot = false; -Q_AUTOTEST_EXPORT void qt_test_resetFetchedRoot() -{ - fetchedRoot = false; -} - -Q_AUTOTEST_EXPORT bool qt_test_isFetchedRoot() -{ - return fetchedRoot; -} -#endif - -/*! - Creates thread -*/ -QFileInfoGatherer::QFileInfoGatherer(QObject *parent) - : QThread(parent), abort(false), -#ifndef QT_NO_FILESYSTEMWATCHER - watcher(0), -#endif - m_resolveSymlinks(false), m_iconProvider(&defaultProvider) -{ -#ifdef Q_OS_WIN - m_resolveSymlinks = true; -#elif !defined(Q_OS_INTEGRITY) - userId = getuid(); - groupId = getgid(); -#endif -#ifndef QT_NO_FILESYSTEMWATCHER - watcher = new QFileSystemWatcher(this); - connect(watcher, SIGNAL(directoryChanged(QString)), this, SLOT(list(QString))); - connect(watcher, SIGNAL(fileChanged(QString)), this, SLOT(updateFile(QString))); -#endif - start(LowPriority); -} - -/*! - Destroys thread -*/ -QFileInfoGatherer::~QFileInfoGatherer() -{ - QMutexLocker locker(&mutex); - abort = true; - condition.wakeOne(); - locker.unlock(); - wait(); -} - -void QFileInfoGatherer::setResolveSymlinks(bool enable) -{ - Q_UNUSED(enable); -#ifdef Q_OS_WIN - QMutexLocker locker(&mutex); - m_resolveSymlinks = enable; -#endif -} - -bool QFileInfoGatherer::resolveSymlinks() const -{ - return m_resolveSymlinks; -} - -void QFileInfoGatherer::setIconProvider(QFileIconProvider *provider) -{ - QMutexLocker locker(&mutex); - m_iconProvider = provider; -} - -QFileIconProvider *QFileInfoGatherer::iconProvider() const -{ - return m_iconProvider; -} - -/*! - Fetch extended information for all \a files in \a path - - \sa updateFile(), update(), resolvedName() -*/ -void QFileInfoGatherer::fetchExtendedInformation(const QString &path, const QStringList &files) -{ - QMutexLocker locker(&mutex); - // See if we already have this dir/file in our que - int loc = this->path.lastIndexOf(path); - while (loc > 0) { - if (this->files.at(loc) == files) { - return; - } - loc = this->path.lastIndexOf(path, loc - 1); - } - this->path.push(path); - this->files.push(files); - condition.wakeAll(); -} - -/*! - Fetch extended information for all \a filePath - - \sa fetchExtendedInformation() -*/ -void QFileInfoGatherer::updateFile(const QString &filePath) -{ - QString dir = filePath.mid(0, filePath.lastIndexOf(QDir::separator())); - QString fileName = filePath.mid(dir.length() + 1); - fetchExtendedInformation(dir, QStringList(fileName)); -} - -/* - List all files in \a directoryPath - - \sa listed() -*/ -void QFileInfoGatherer::clear() -{ -#ifndef QT_NO_FILESYSTEMWATCHER - QMutexLocker locker(&mutex); - watcher->removePaths(watcher->files()); - watcher->removePaths(watcher->directories()); -#endif -} - -/* - Remove a \a path from the watcher - - \sa listed() -*/ -void QFileInfoGatherer::removePath(const QString &path) -{ -#ifndef QT_NO_FILESYSTEMWATCHER - QMutexLocker locker(&mutex); - watcher->removePath(path); -#endif -} - -/* - List all files in \a directoryPath - - \sa listed() -*/ -void QFileInfoGatherer::list(const QString &directoryPath) -{ - fetchExtendedInformation(directoryPath, QStringList()); -} - -/* - Until aborted wait to fetch a directory or files -*/ -void QFileInfoGatherer::run() -{ - forever { - bool updateFiles = false; - QMutexLocker locker(&mutex); - if (abort) { - return; - } - if (this->path.isEmpty()) - condition.wait(&mutex); - QString path; - QStringList list; - if (!this->path.isEmpty()) { - path = this->path.first(); - list = this->files.first(); - this->path.pop_front(); - this->files.pop_front(); - updateFiles = true; - } - locker.unlock(); - if (updateFiles) - getFileInfos(path, list); - } -} - -QExtendedInformation QFileInfoGatherer::getInfo(const QFileInfo &fileInfo) const -{ - QExtendedInformation info(fileInfo); - info.icon = m_iconProvider->icon(fileInfo); - info.displayType = m_iconProvider->type(fileInfo); -#ifndef QT_NO_FILESYSTEMWATCHER - // ### Not ready to listen all modifications - #if 0 - // Enable the next two commented out lines to get updates when the file sizes change... - if (!fileInfo.exists() && !fileInfo.isSymLink()) { - info.size = -1; - //watcher->removePath(fileInfo.absoluteFilePath()); - } else { - if (!fileInfo.absoluteFilePath().isEmpty() && fileInfo.exists() && fileInfo.isReadable() - && !watcher->files().contains(fileInfo.absoluteFilePath())) { - //watcher->addPath(fileInfo.absoluteFilePath()); - } - } - #endif -#endif - - if (fileInfo.isSymLink() && m_resolveSymlinks) { - QFileInfo resolvedInfo(fileInfo.symLinkTarget()); - resolvedInfo = resolvedInfo.canonicalFilePath(); - if (resolvedInfo.exists()) { - emit nameResolved(fileInfo.filePath(), resolvedInfo.fileName()); - } - } - return info; -} - -QString QFileInfoGatherer::translateDriveName(const QFileInfo &drive) const -{ - QString driveName = drive.absoluteFilePath(); -#if defined(Q_OS_WIN) && !defined(Q_OS_WINCE) - if (driveName.startsWith(QLatin1Char('/'))) // UNC host - return drive.fileName(); -#endif -#if (defined(Q_OS_WIN) && !defined(Q_OS_WINCE)) || defined(Q_OS_SYMBIAN) - if (driveName.endsWith(QLatin1Char('/'))) - driveName.chop(1); -#endif - return driveName; -} - -/* - Get specific file info's, batch the files so update when we have 100 - items and every 200ms after that - */ -void QFileInfoGatherer::getFileInfos(const QString &path, const QStringList &files) -{ -#ifndef QT_NO_FILESYSTEMWATCHER - if (files.isEmpty() - && !watcher->directories().contains(path) - && !path.isEmpty() - && !path.startsWith(QLatin1String("//")) /*don't watch UNC path*/) { - watcher->addPath(path); - } -#endif - - // List drives - if (path.isEmpty()) { -#ifdef QT_BUILD_INTERNAL - fetchedRoot = true; -#endif - QFileInfoList infoList; - if (files.isEmpty()) { - infoList = QDir::drives(); - } else { - for (int i = 0; i < files.count(); ++i) - infoList << QFileInfo(files.at(i)); - } - for (int i = infoList.count() - 1; i >= 0; --i) { - QString driveName = translateDriveName(infoList.at(i)); - QList<QPair<QString,QFileInfo> > updatedFiles; - updatedFiles.append(QPair<QString,QFileInfo>(driveName, infoList.at(i))); - emit updates(path, updatedFiles); - } - return; - } - - QElapsedTimer base; - base.start(); - QFileInfo fileInfo; - bool firstTime = true; - QList<QPair<QString, QFileInfo> > updatedFiles; - QStringList filesToCheck = files; - - QString itPath = QDir::fromNativeSeparators(files.isEmpty() ? path : QLatin1String("")); - QDirIterator dirIt(itPath, QDir::AllEntries | QDir::System | QDir::Hidden); - QStringList allFiles; - while(!abort && dirIt.hasNext()) { - dirIt.next(); - fileInfo = dirIt.fileInfo(); - allFiles.append(fileInfo.fileName()); - fetch(fileInfo, base, firstTime, updatedFiles, path); - } - if (!allFiles.isEmpty()) - emit newListOfFiles(path, allFiles); - - QStringList::const_iterator filesIt = filesToCheck.constBegin(); - while(!abort && filesIt != filesToCheck.constEnd()) { - fileInfo.setFile(path + QDir::separator() + *filesIt); - ++filesIt; - fetch(fileInfo, base, firstTime, updatedFiles, path); - } - if (!updatedFiles.isEmpty()) - emit updates(path, updatedFiles); - emit directoryLoaded(path); -} - -void QFileInfoGatherer::fetch(const QFileInfo &fileInfo, QElapsedTimer &base, bool &firstTime, QList<QPair<QString, QFileInfo> > &updatedFiles, const QString &path) { - updatedFiles.append(QPair<QString, QFileInfo>(fileInfo.fileName(), fileInfo)); - QElapsedTimer current; - current.start(); - if ((firstTime && updatedFiles.count() > 100) || base.msecsTo(current) > 1000) { - emit updates(path, updatedFiles); - updatedFiles.clear(); - base = current; - firstTime = false; - } -} - -#endif // QT_NO_FILESYSTEMMODEL - -QT_END_NAMESPACE |