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- /*
-
- Copyright (C) 2001 Stefan Westerfeld
- stefan@space.twc.de
-
- 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-
- */
-
- #ifndef ARTS_GIOMANAGER_H
- #define ARTS_GIOMANAGER_H
-
- #include <glib.h>
- #include <iomanager.h>
- #include <list>
- #include <stack>
- #include <map>
- #include "arts_export.h"
- /*
- * BC - Status (2002-03-08): GIOManager
- *
- * This class will be kept binary compatible (d ptr for extensions).
- */
-
- namespace Arts {
-
- class GIOWatch;
- class GIOManagerPrivate;
- struct GIOManagerSource;
- class GIOTimeWatch;
- class GIOManagerBlocking;
-
- /**
- * GIOManager performs MCOP I/O inside the Glib event loop. This way, you will
- * be able to receive requests and notifications inside Glib application. The
- * usual way to set it up is:
- *
- * <pre>
- * GMainLoop *main_loop = g_main_new(FALSE); // as usual
- *
- * Arts::GIOManager iomanager;
- * Arts::Dispatcher dispatcher(&iomanager);
- *
- * g_main_run(main_loop); // as usual
- * </pre>
- */
- class ARTS_EXPORT GIOManager : public IOManager {
- private:
- GIOManagerPrivate *d;
-
- protected:
- std::list<GIOWatch *> fdList;
- std::list<GIOTimeWatch *> timeList;
- int level;
- bool _blocking;
- bool fileDescriptorsNeedRecheck;
- GMainContext *context;
- GIOManagerSource *source;
- GIOManagerBlocking *gioManagerBlocking;
-
- public:
- GIOManager(GMainContext *context = 0);
- ~GIOManager();
-
- void processOneEvent(bool blocking);
- void run();
- void terminate();
- void watchFD(int fd, int types, IONotify *notify);
- void remove(IONotify *notify, int types);
- void addTimer(int milliseconds, TimeNotify *notify);
- void removeTimer(TimeNotify *notify);
-
- /**
- * This controls what GIOManager will do while waiting for the result
- * of an MCOP request, the possibilities are:
- *
- * @li block until the request is completed (true)
- * @li open a local event loop (false)
- *
- * It is much easier to write working and reliable code with blocking
- * enabled, so this is the default. If you disable blocking, you have
- * to deal with the fact that timers, user interaction and similar
- * "unpredictable" things will possibly influence your code in all
- * places where you make a remote MCOP call (which is quite often in
- * MCOP applications).
- */
- void setBlocking(bool blocking);
-
- /* GSource stuff: */
-
- /**
- * - internal -
- *
- * (implements the GSource prepare)
- */
- gboolean prepare(gint *timeout);
-
- /**
- * - internal -
- *
- * (implements the GSource check)
- */
- gboolean check();
-
- /**
- * - internal -
- *
- * (implements the GSource dispatch)
- */
- gboolean dispatch(GSourceFunc callback, gpointer user_data);
- };
-
- }
-
- #endif /* ARTS_GIOMANAGER_H */
-