| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QFILESYSTEMWATCHER_P_H |
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| 5 | #define QFILESYSTEMWATCHER_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include "qfilesystemwatcher.h" |
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| 19 | |
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| 20 | QT_REQUIRE_CONFIG(filesystemwatcher); |
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| 21 | |
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| 22 | #include <private/qobject_p.h> |
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| 23 | |
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| 24 | #include <QtCore/qstringlist.h> |
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| 25 | #include <QtCore/qhash.h> |
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| 26 | |
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| 27 | QT_BEGIN_NAMESPACE |
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| 28 | |
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| 29 | class QFileSystemWatcherEngine : public QObject |
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| 30 | { |
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| 31 | Q_OBJECT |
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| 32 | |
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| 33 | protected: |
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| 34 | inline QFileSystemWatcherEngine(QObject *parent) |
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| 35 | : QObject(parent) |
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| 36 | { |
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| 37 | } |
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| 38 | |
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| 39 | public: |
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| 40 | // fills \a files and \a directories with the \a paths it could |
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| 41 | // watch, and returns a list of paths this engine could not watch |
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| 42 | virtual QStringList addPaths(const QStringList &paths, |
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| 43 | QStringList *files, |
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| 44 | QStringList *directories) = 0; |
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| 45 | // removes \a paths from \a files and \a directories, and returns |
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| 46 | // a list of paths this engine does not know about (either addPath |
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| 47 | // failed or wasn't called) |
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| 48 | virtual QStringList removePaths(const QStringList &paths, |
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| 49 | QStringList *files, |
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| 50 | QStringList *directories) = 0; |
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| 51 | |
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| 52 | Q_SIGNALS: |
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| 53 | void fileChanged(const QString &path, bool removed); |
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| 54 | void directoryChanged(const QString &path, bool removed); |
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| 55 | }; |
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| 56 | |
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| 57 | class QFileSystemWatcherPrivate : public QObjectPrivate |
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| 58 | { |
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| 59 | Q_DECLARE_PUBLIC(QFileSystemWatcher) |
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| 60 | |
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| 61 | static QFileSystemWatcherEngine *createNativeEngine(QObject *parent); |
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| 62 | |
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| 63 | public: |
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| 64 | QFileSystemWatcherPrivate(); |
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| 65 | void init(); |
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| 66 | void initPollerEngine(); |
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| 67 | |
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| 68 | QFileSystemWatcherEngine *native, *poller; |
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| 69 | QStringList files, directories; |
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| 70 | |
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| 71 | // private slots |
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| 72 | void _q_fileChanged(const QString &path, bool removed); |
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| 73 | void _q_directoryChanged(const QString &path, bool removed); |
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| 74 | |
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| 75 | #if defined(Q_OS_WIN) |
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| 76 | void _q_winDriveLockForRemoval(const QString &); |
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| 77 | void _q_winDriveLockForRemovalFailed(const QString &); |
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| 78 | void _q_winDriveRemoved(const QString &); |
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| 79 | |
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| 80 | private: |
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| 81 | QHash<QChar, QStringList> temporarilyRemovedPaths; |
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| 82 | #endif // Q_OS_WIN |
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| 83 | }; |
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| 84 | |
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| 85 | |
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| 86 | QT_END_NAMESPACE |
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| 87 | #endif // QFILESYSTEMWATCHER_P_H |
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| 88 | |
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