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author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2018-11-15 01:00:09 +0100 |
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committer | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2018-11-15 01:00:09 +0100 |
commit | fe1f81484bf9d9ace1d8125498a7ce889ba5bddc (patch) | |
tree | 9fe0971d390bfa21e6c59a61dafd21ccaebb0118 /tools/qmlpreview/qmlpreviewfilesystemwatcher.h | |
parent | 02c98b7590b060430dc5ce7e5821fa13087d25f7 (diff) | |
parent | 89a1d4ff3f829635d80a90112f6b2d44cc274b1b (diff) |
Merge remote-tracking branch 'origin/5.12' into dev
Change-Id: Ie82b8a0f9158ef02bf11209b16e574dedf201e2e
Diffstat (limited to 'tools/qmlpreview/qmlpreviewfilesystemwatcher.h')
-rw-r--r-- | tools/qmlpreview/qmlpreviewfilesystemwatcher.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tools/qmlpreview/qmlpreviewfilesystemwatcher.h b/tools/qmlpreview/qmlpreviewfilesystemwatcher.h new file mode 100644 index 0000000000..a7ead641d8 --- /dev/null +++ b/tools/qmlpreview/qmlpreviewfilesystemwatcher.h @@ -0,0 +1,70 @@ +/**************************************************************************** +** +** 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 |