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39
40#ifndef QFILESYSTEMWATCHER_WIN_P_H
41#define QFILESYSTEMWATCHER_WIN_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "qfilesystemwatcher_p.h"
55
56#include <QtCore/qdatetime.h>
57#include <QtCore/qthread.h>
58#include <QtCore/qfile.h>
59#include <QtCore/qfileinfo.h>
60#include <QtCore/qhash.h>
61#include <QtCore/qmutex.h>
62#include <QtCore/qvector.h>
63
64QT_BEGIN_NAMESPACE
65
66class QWindowsFileSystemWatcherEngineThread;
67class QWindowsRemovableDriveListener;
68
69// Even though QWindowsFileSystemWatcherEngine is derived of QThread
70// via QFileSystemWatcher, it does not start a thread.
71// Instead QWindowsFileSystemWatcher creates QWindowsFileSystemWatcherEngineThreads
72// to do the actually watching.
73class QWindowsFileSystemWatcherEngine : public QFileSystemWatcherEngine
74{
75 Q_OBJECT
76public:
77 explicit QWindowsFileSystemWatcherEngine(QObject *parent);
78 ~QWindowsFileSystemWatcherEngine();
79
80 QStringList addPaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
81 QStringList removePaths(const QStringList &paths, QStringList *files, QStringList *directories) override;
82
83 class Handle
84 {
85 public:
86 Qt::HANDLE handle;
87 uint flags;
88
89 Handle();
90 };
91
92 class PathInfo {
93 public:
94 QString absolutePath;
95 QString path;
96 bool isDir;
97
98 // fileinfo bits
99 uint ownerId;
100 uint groupId;
101 QFile::Permissions permissions;
102 QDateTime lastModified;
103
104 PathInfo &operator=(const QFileInfo &fileInfo)
105 {
106 ownerId = fileInfo.ownerId();
107 groupId = fileInfo.groupId();
108 permissions = fileInfo.permissions();
109 lastModified = fileInfo.lastModified();
110 return *this;
111 }
112
113 bool operator!=(const QFileInfo &fileInfo) const
114 {
115 return (ownerId != fileInfo.ownerId()
116 || groupId != fileInfo.groupId()
117 || permissions != fileInfo.permissions()
118 || lastModified != fileInfo.lastModified());
119 }
120 };
121
122signals:
123 void driveLockForRemoval(const QString &);
124 void driveLockForRemovalFailed(const QString &);
125 void driveRemoved(const QString &);
126
127private:
128 QList<QWindowsFileSystemWatcherEngineThread *> threads;
129#ifndef Q_OS_WINRT
130 QWindowsRemovableDriveListener *m_driveListener = nullptr;
131#endif
132};
133
134class QFileSystemWatcherPathKey : public QString
135{
136public:
137 QFileSystemWatcherPathKey() {}
138 explicit QFileSystemWatcherPathKey(const QString &other) : QString(other) {}
139 QFileSystemWatcherPathKey(const QFileSystemWatcherPathKey &other) : QString(other) {}
140 bool operator==(const QFileSystemWatcherPathKey &other) const { return !compare(other, Qt::CaseInsensitive); }
141};
142
143Q_DECLARE_TYPEINFO(QFileSystemWatcherPathKey, Q_MOVABLE_TYPE);
144
145inline uint qHash(const QFileSystemWatcherPathKey &key) { return qHash(key.toCaseFolded()); }
146
147class QWindowsFileSystemWatcherEngineThread : public QThread
148{
149 Q_OBJECT
150
151public:
152 typedef QHash<QFileSystemWatcherPathKey, QWindowsFileSystemWatcherEngine::Handle> HandleForDirHash;
153 typedef QHash<QFileSystemWatcherPathKey, QWindowsFileSystemWatcherEngine::PathInfo> PathInfoHash;
154
155 QWindowsFileSystemWatcherEngineThread();
156 ~QWindowsFileSystemWatcherEngineThread();
157 void run() override;
158 void stop();
159 void wakeup();
160
161 QMutex mutex;
162 QVector<Qt::HANDLE> handles;
163 int msg;
164
165 HandleForDirHash handleForDir;
166
167 QHash<Qt::HANDLE, PathInfoHash> pathInfoForHandle;
168
169Q_SIGNALS:
170 void fileChanged(const QString &path, bool removed);
171 void directoryChanged(const QString &path, bool removed);
172};
173
174QT_END_NAMESPACE
175
176#endif // QFILESYSTEMWATCHER_WIN_P_H
177

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