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41
42#ifndef QFILESYSTEMWATCHER_P_H
43#define QFILESYSTEMWATCHER_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists for the convenience
50// of the QLibrary class. This header file may change from
51// version to version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include "qfilesystemwatcher.h"
57
58#ifndef QT_NO_FILESYSTEMWATCHER
59
60#include <private/qobject_p.h>
61
62#include <QtCore/qstringlist.h>
63#include <QtCore/qthread.h>
64
65QT_BEGIN_NAMESPACE
66
67class QFileSystemWatcherEngine : public QThread
68{
69 Q_OBJECT
70
71protected:
72 inline QFileSystemWatcherEngine(bool move = true)
73 {
74 if (move)
75 moveToThread(this);
76 }
77
78public:
79 // fills \a files and \a directories with the \a paths it could
80 // watch, and returns a list of paths this engine could not watch
81 virtual QStringList addPaths(const QStringList &paths,
82 QStringList *files,
83 QStringList *directories) = 0;
84 // removes \a paths from \a files and \a directories, and returns
85 // a list of paths this engine does not know about (either addPath
86 // failed or wasn't called)
87 virtual QStringList removePaths(const QStringList &paths,
88 QStringList *files,
89 QStringList *directories) = 0;
90
91 virtual void stop() = 0;
92
93Q_SIGNALS:
94 void fileChanged(const QString &path, bool removed);
95 void directoryChanged(const QString &path, bool removed);
96};
97
98class QFileSystemWatcherPrivate : public QObjectPrivate
99{
100 Q_DECLARE_PUBLIC(QFileSystemWatcher)
101
102 static QFileSystemWatcherEngine *createNativeEngine();
103
104public:
105 QFileSystemWatcherPrivate();
106 void init();
107 void initPollerEngine();
108 void initForcedEngine(const QString &);
109
110 QFileSystemWatcherEngine *native, *poller, *forced;
111 QStringList files, directories;
112
113 // private slots
114 void _q_fileChanged(const QString &path, bool removed);
115 void _q_directoryChanged(const QString &path, bool removed);
116};
117
118
119QT_END_NAMESPACE
120#endif // QT_NO_FILESYSTEMWATCHER
121#endif // QFILESYSTEMWATCHER_P_H
122