Initial QSfera import

Desktop/src/gui/folderwatcher_win.h

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) by Daniel Molkentin <danimo@owncloud.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef MIRALL_FOLDERWATCHER_WIN_H
+#define MIRALL_FOLDERWATCHER_WIN_H
+
+#include "libsync/common/utility_win.h"
+
+#include <QThread>
+
+namespace OCC {
+
+class FolderWatcher;
+class FolderWatcherPrivate;
+
+/**
+ * @brief The WatcherThread class
+ * @ingroup gui
+ */
+class WatcherThread : public QThread
+{
+    Q_OBJECT
+public:
+    WatcherThread(FolderWatcherPrivate *parent, const QString &path);
+    ~WatcherThread() override;
+
+    void stop();
+
+protected:
+    enum class WatchChanges {
+        Done,
+        NeedBiggerBuffer,
+        Error,
+    };
+
+    void run() override;
+    WatchChanges watchChanges(size_t fileNotifyBufferSize);
+    void processEntries(FILE_NOTIFY_INFORMATION *curEntry);
+    void closeHandle();
+
+Q_SIGNALS:
+    void changed(QSet<QString> path);
+    void lostChanges();
+
+private:
+    FolderWatcherPrivate *_parent;
+    const QString _path;
+    const QString _longPath;
+    Utility::Handle _directory;
+    HANDLE _resultEvent;
+    HANDLE _stopEvent;
+};
+
+/**
+ * @brief Windows implementation of FolderWatcher
+ * @ingroup gui
+ */
+class FolderWatcherPrivate : public QObject
+{
+    Q_OBJECT
+public:
+    enum class ChangeAction : uint8_t {
+        ACTION_ADDED = FILE_ACTION_ADDED,
+        ACTION_REMOVED = FILE_ACTION_REMOVED,
+        ACTION_MODIFIED = FILE_ACTION_MODIFIED,
+        ACTION_RENAMED_OLD_NAME = FILE_ACTION_RENAMED_OLD_NAME,
+        ACTION_RENAMED_NEW_NAME = FILE_ACTION_RENAMED_NEW_NAME
+    };
+    Q_ENUM(ChangeAction)
+    FolderWatcherPrivate(FolderWatcher *p, const QString &path);
+    ~FolderWatcherPrivate() override;
+
+    /// Set to non-zero once the WatcherThread is capturing events.
+    bool isReady() const
+    {
+        return _ready;
+    }
+
+private:
+    FolderWatcher *_parent;
+    QScopedPointer<WatcherThread> _thread;
+    bool _ready = false;
+    friend class WatcherThread;
+};
+}
+
+#endif // MIRALL_FOLDERWATCHER_WIN_H