include/dbus-c++/eventloop-integration.h

   1 /*
   2  *
   3  *  D-Bus++ - C++ bindings for D-Bus
   4  *
   5  *  Copyright (C) 2005-2009  Paolo Durante <shackan@gmail.com>
   6  *
   7  *
   8  *  This library is free software; you can redistribute it and/or
   9  *  modify it under the terms of the GNU Lesser General Public
  10  *  License as published by the Free Software Foundation; either
  11  *  version 2.1 of the License, or (at your option) any later version.
  12  *
  13  *  This library is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  *  Lesser General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU Lesser General Public
  19  *  License along with this library; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23
  24
  25 #ifndef __DBUSXX_EVENTLOOP_INTEGRATION_H
  26 #define __DBUSXX_EVENTLOOP_INTEGRATION_H
  27
  28 #include "api.h"
  29 #include "dispatcher.h"
  30 #include "util.h"
  31 #include "eventloop.h"
  32
  33 namespace DBus {
  34
  35 /*
  36  * Glue between the event loop and the DBus library
  37  */
  38
  39 class DefaultDispatcher;
  40
  41 class DBUSXXAPI DefaultTimeout : public Timeout, public SimpleTimeout
  42 {
  43         DefaultTimeout(Timeout::Internal *, DefaultDispatcher *);
  44
  45         void toggle();
  46
  47 friend class DefaultDispatcher;
  48 };
  49
  50 class DBUSXXAPI DefaultWatch : public Watch, public SimpleWatch
  51 {
  52         DefaultWatch(Watch::Internal *, DefaultDispatcher *);
  53
  54         void toggle();
  55
  56 friend class DefaultDispatcher;
  57 };
  58
  59 class DBUSXXAPI DefaultDispatcher
  60    : public Dispatcher, public SimpleMainLoop, public CallbackTarget
  61 {
  62 public:
  63
  64         static DefaultDispatcher instance;
  65
  66         DefaultDispatcher(int32_t pollTimeout = 500 /* msec*/)
  67            : Dispatcher()
  68            , SimpleMainLoop(pollTimeout)
  69            , CallbackTarget()
  70            , _running(false)
  71         {}
  72
  73         ~DefaultDispatcher()
  74         {}
  75
  76         bool running() { return _running; }
  77
  78         virtual void enter();
  79
  80         virtual void leave();
  81
  82         virtual void start_iteration();
  83         virtual void do_iteration();
  84
  85         virtual Timeout *add_timeout(Timeout::Internal *);
  86
  87         virtual void rem_timeout(Timeout *);
  88
  89         virtual Watch *add_watch(Watch::Internal *);
  90
  91         virtual void rem_watch(Watch *);
  92
  93         void watch_ready(SimpleWatch &);
  94
  95         void timeout_expired(SimpleTimeout &);
  96
  97 private:
  98
  99         volatile bool _running;
 100 };
 101
 102 } /* namespace DBus */
 103
 104 #endif//__DBUSXX_EVENTLOOP_INTEGRATION_H