| /**************************************************************************** |
| ** |
| ** Copyright (C) 2018 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtQml module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| ** 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 General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| ** 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-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QMLPREVIEWFILESYSTEMWATCHER_H |
| #define QMLPREVIEWFILESYSTEMWATCHER_H |
| |
| #include <QtCore/qfilesystemwatcher.h> |
| #include <QtCore/qobject.h> |
| #include <QtCore/qset.h> |
| |
| class QmlPreviewFileSystemWatcher : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| explicit QmlPreviewFileSystemWatcher(QObject *parent = nullptr); |
| |
| void addFile(const QString &file); |
| void removeFile(const QString &file); |
| bool watchesFile(const QString &file) const; |
| |
| void addDirectory(const QString &file); |
| void removeDirectory(const QString &file); |
| bool watchesDirectory(const QString &file) const; |
| |
| signals: |
| void fileChanged(const QString &path); |
| void directoryChanged(const QString &path); |
| |
| private: |
| using WatchEntrySet = QSet<QString>; |
| using WatchEntrySetIterator = WatchEntrySet::iterator; |
| |
| void onDirectoryChanged(const QString &path); |
| |
| WatchEntrySet m_files; |
| WatchEntrySet m_directories; |
| |
| // Directories watched either explicitly or implicitly through files contained in them. |
| QHash<QString, int> m_directoryCount; |
| |
| QFileSystemWatcher *m_watcher = nullptr; |
| }; |
| |
| #endif // QMLPREVIEWFILESYSTEMWATCHER_H |