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+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 2001 Thiago Macieira <thiago.macieira@kdemail.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef KASYNCIO_H
+#define KASYNCIO_H
+
+
+#include <tqobject.h>
+#include <tqiodevice.h>
+#include "kdelibs_export.h"
+
+#ifdef Q_MOC_RUN
+#define USE_QT4
+#endif // Q_MOC_RUN
+
+class KAsyncIOPrivate;
+/**
+ * Asynchronous I/O Support
+ *
+ * This abstract class provides basic functionality for asynchronous I/O
+ * support on top of TQIODevice.
+ *
+ * @author Thiago Macieira <thiago.macieira@kdemail.net>
+ * @short Asynchronous I/O support
+ */
+class KDECORE_EXPORT KAsyncIO:
+#ifdef USE_QT4
+#else // USE_QT4
+public TQObject,
+#endif // USE_QT4
+public TQIODevice
+{
+ Q_OBJECT
+ TQ_OBJECT
+protected:
+ KAsyncIO() // cannot be accessed externally
+ { }
+
+private:
+ KAsyncIO(KAsyncIO&);
+
+ KAsyncIO& operator=(KAsyncIO&);
+
+public:
+ /**
+ * Toggles the emission of the readyRead() signal whenever the device
+ * is ready for reading. This is useful if you want to know the first time
+ * the device is ready for reading and you don't want to read it now.
+ * @param enable true to enable, false to disable the readyRead() signal
+ */
+ virtual void enableRead(bool enable) = 0;
+
+ /**
+ * Toggles the emission of the readyWrite() signal whenever the device
+ * is ready for writing. This is useful if you want to know the first time
+ * the device is ready for writing and you don't want to write to it now.
+ * @param enable true to enable, false to disable the readyWrite() signal
+ */
+ virtual void enableWrite(bool enable) = 0;
+
+signals:
+
+ /**
+ * This signal gets sent when the device is ready for reading.
+ */
+ void readyRead();
+
+ /**
+ * This signal gets sent when the device is ready for writing.
+ */
+ void readyWrite();
+protected:
+ /** \internal */
+ virtual void virtual_hook( int id, void* data );
+private:
+ KAsyncIOPrivate* d;
+};
+
+#endif // KASYNCIO_H