diff options
Diffstat (limited to 'src/imports/folderlistmodel/fileinfothread.cpp')
| -rw-r--r-- | src/imports/folderlistmodel/fileinfothread.cpp | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/src/imports/folderlistmodel/fileinfothread.cpp b/src/imports/folderlistmodel/fileinfothread.cpp deleted file mode 100644 index a93edd3b1b..0000000000 --- a/src/imports/folderlistmodel/fileinfothread.cpp +++ /dev/null @@ -1,369 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "fileinfothread_p.h" -#include <qdiriterator.h> -#include <qpointer.h> -#include <qtimer.h> - -#include <QDebug> - - -FileInfoThread::FileInfoThread(QObject *parent) - : QThread(parent), - abort(false), - scanPending(false), -#if QT_CONFIG(filesystemwatcher) - watcher(nullptr), -#endif - sortFlags(QDir::Name), - needUpdate(true), - folderUpdate(false), - sortUpdate(false), - showFiles(true), - showDirs(true), - showDirsFirst(false), - showDotAndDotDot(false), - showHidden(false), - showOnlyReadable(false), - caseSensitive(true) -{ -#if QT_CONFIG(filesystemwatcher) - watcher = new QFileSystemWatcher(this); - connect(watcher, SIGNAL(directoryChanged(QString)), this, SLOT(dirChanged(QString))); - connect(watcher, SIGNAL(fileChanged(QString)), this, SLOT(updateFile(QString))); -#endif // filesystemwatcher -} - -FileInfoThread::~FileInfoThread() -{ - QMutexLocker locker(&mutex); - abort = true; - condition.wakeOne(); - locker.unlock(); - wait(); -} - -void FileInfoThread::clear() -{ - QMutexLocker locker(&mutex); -#if QT_CONFIG(filesystemwatcher) - watcher->removePaths(watcher->files()); - watcher->removePaths(watcher->directories()); -#endif -} - -void FileInfoThread::removePath(const QString &path) -{ - QMutexLocker locker(&mutex); -#if QT_CONFIG(filesystemwatcher) - if (!path.startsWith(QLatin1Char(':'))) - watcher->removePath(path); -#else - Q_UNUSED(path); -#endif - currentPath.clear(); -} - -void FileInfoThread::setPath(const QString &path) -{ - Q_ASSERT(!path.isEmpty()); - - QMutexLocker locker(&mutex); -#if QT_CONFIG(filesystemwatcher) - if (!path.startsWith(QLatin1Char(':'))) - watcher->addPath(path); -#endif - currentPath = path; - needUpdate = true; - initiateScan(); -} - -void FileInfoThread::setRootPath(const QString &path) -{ - Q_ASSERT(!path.isEmpty()); - - QMutexLocker locker(&mutex); - rootPath = path; -} - -#if QT_CONFIG(filesystemwatcher) -void FileInfoThread::dirChanged(const QString &directoryPath) -{ - Q_UNUSED(directoryPath); - QMutexLocker locker(&mutex); - folderUpdate = true; - initiateScan(); -} -#endif - -void FileInfoThread::setSortFlags(QDir::SortFlags flags) -{ - QMutexLocker locker(&mutex); - sortFlags = flags; - sortUpdate = true; - needUpdate = true; - initiateScan(); -} - -void FileInfoThread::setNameFilters(const QStringList & filters) -{ - QMutexLocker locker(&mutex); - nameFilters = filters; - folderUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowFiles(bool show) -{ - QMutexLocker locker(&mutex); - showFiles = show; - folderUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowDirs(bool showFolders) -{ - QMutexLocker locker(&mutex); - showDirs = showFolders; - folderUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowDirsFirst(bool show) -{ - QMutexLocker locker(&mutex); - showDirsFirst = show; - folderUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowDotAndDotDot(bool on) -{ - QMutexLocker locker(&mutex); - showDotAndDotDot = on; - folderUpdate = true; - needUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowHidden(bool on) -{ - QMutexLocker locker(&mutex); - showHidden = on; - folderUpdate = true; - needUpdate = true; - initiateScan(); -} - -void FileInfoThread::setShowOnlyReadable(bool on) -{ - QMutexLocker locker(&mutex); - showOnlyReadable = on; - folderUpdate = true; - initiateScan(); -} - -void FileInfoThread::setCaseSensitive(bool on) -{ - QMutexLocker locker(&mutex); - caseSensitive = on; - folderUpdate = true; - initiateScan(); -} - -#if QT_CONFIG(filesystemwatcher) -void FileInfoThread::updateFile(const QString &path) -{ - Q_UNUSED(path); - QMutexLocker locker(&mutex); - folderUpdate = true; - initiateScan(); -} -#endif - -void FileInfoThread::run() -{ - forever { - bool updateFiles = false; - QMutexLocker locker(&mutex); - if (abort) { - return; - } - if (currentPath.isEmpty() || !needUpdate) { - emit statusChanged(currentPath.isEmpty() ? QQuickFolderListModel::Null : QQuickFolderListModel::Ready); - condition.wait(&mutex); - } - - if (abort) { - return; - } - - if (!currentPath.isEmpty()) { - updateFiles = true; - emit statusChanged(QQuickFolderListModel::Loading); - } - if (updateFiles) - getFileInfos(currentPath); - locker.unlock(); - } -} - -void FileInfoThread::runOnce() -{ - if (scanPending) - return; - scanPending = true; - QPointer<FileInfoThread> guardedThis(this); - - auto getFileInfosAsync = [guardedThis](){ - if (!guardedThis) - return; - guardedThis->scanPending = false; - if (guardedThis->currentPath.isEmpty()) { - emit guardedThis->statusChanged(QQuickFolderListModel::Null); - return; - } - emit guardedThis->statusChanged(QQuickFolderListModel::Loading); - guardedThis->getFileInfos(guardedThis->currentPath); - emit guardedThis->statusChanged(QQuickFolderListModel::Ready); - }; - - QTimer::singleShot(0, getFileInfosAsync); -} - -void FileInfoThread::initiateScan() -{ -#if QT_CONFIG(thread) - condition.wakeAll(); -#else - runOnce(); -#endif -} - -void FileInfoThread::getFileInfos(const QString &path) -{ - QDir::Filters filter; - if (caseSensitive) - filter = QDir::CaseSensitive; - if (showFiles) - filter = filter | QDir::Files; - if (showDirs) - filter = filter | QDir::AllDirs | QDir::Drives; - if (!showDotAndDotDot) - filter = filter | QDir::NoDot | QDir::NoDotDot; - else if (path == rootPath) - filter = filter | QDir::NoDotDot; - if (showHidden) - filter = filter | QDir::Hidden; - if (showOnlyReadable) - filter = filter | QDir::Readable; - if (showDirsFirst) - sortFlags = sortFlags | QDir::DirsFirst; - - QDir currentDir(path, QString(), sortFlags); - QList<FileProperty> filePropertyList; - - const QFileInfoList fileInfoList = currentDir.entryInfoList(nameFilters, filter, sortFlags); - - if (!fileInfoList.isEmpty()) { - filePropertyList.reserve(fileInfoList.count()); - for (const QFileInfo &info : fileInfoList) { - //qDebug() << "Adding file : " << info.fileName() << "to list "; - filePropertyList << FileProperty(info); - } - if (folderUpdate) { - int fromIndex = 0; - int toIndex = currentFileList.size()-1; - findChangeRange(filePropertyList, fromIndex, toIndex); - folderUpdate = false; - currentFileList = filePropertyList; - //qDebug() << "emit directoryUpdated : " << fromIndex << " " << toIndex; - emit directoryUpdated(path, filePropertyList, fromIndex, toIndex); - } else { - currentFileList = filePropertyList; - if (sortUpdate) { - emit sortFinished(filePropertyList); - sortUpdate = false; - } else - emit directoryChanged(path, filePropertyList); - } - } else { - // The directory is empty - if (folderUpdate) { - int fromIndex = 0; - int toIndex = currentFileList.size()-1; - folderUpdate = false; - currentFileList.clear(); - emit directoryUpdated(path, filePropertyList, fromIndex, toIndex); - } else { - currentFileList.clear(); - emit directoryChanged(path, filePropertyList); - } - } - needUpdate = false; -} - -void FileInfoThread::findChangeRange(const QList<FileProperty> &list, int &fromIndex, int &toIndex) -{ - if (currentFileList.size() == 0) { - fromIndex = 0; - toIndex = list.size(); - return; - } - - int i; - int listSize = list.size() < currentFileList.size() ? list.size() : currentFileList.size(); - bool changeFound = false; - - for (i=0; i < listSize; i++) { - if (list.at(i) != currentFileList.at(i)) { - changeFound = true; - break; - } - } - - if (changeFound) - fromIndex = i; - else - fromIndex = i-1; - - // For now I let the rest of the list be updated.. - toIndex = list.size() > currentFileList.size() ? list.size() - 1 : currentFileList.size() - 1; -} |