src/jabber_whiteboard/session-file-player.h

   1 /**
   2  * Whiteboard session file playback mechanism
   3  *
   4  * Authors:
   5  * David Yip <yipdw@rose-hulman.edu>
   6  *
   7  * Copyright (c) 2005 Authors
   8  *
   9  * Released under GNU GPL, read the file 'COPYING' for more information
  10  */
  11
  12 #ifndef __WHITEBOARD_SESSION_FILE_PLAYER_H__
  13 #define __WHITEBOARD_SESSION_FILE_PLAYER_H__
  14
  15 #include <list>
  16 #include <glibmm/refptr.h>
  17 #include <glibmm/ustring.h>
  18 #include <gtkmm/textbuffer.h>
  19 #include <sigc++/sigc++.h>
  20
  21 struct SPDesktop;
  22
  23 namespace Inkscape {
  24     namespace UI {
  25        namespace Dialog {
  26            class SessionPlaybackDialogImpl;
  27        }
  28     }
  29     namespace Whiteboard {
  30
  31 class SessionFile;
  32 class SessionManager;
  33
  34 class SessionFilePlayer {
  35 friend class UI::Dialog::SessionPlaybackDialogImpl;
  36
  37 public:
  38         SessionFilePlayer(unsigned int bufsz, SessionManager* sm);
  39         ~SessionFilePlayer();
  40
  41         void load(SessionFile* sm);
  42         SessionFile* unload();
  43
  44         Glib::ustring const& filename();
  45         Glib::ustring const& curmsg();
  46
  47         void start();
  48         void stop();
  49         void setDelay(unsigned int delay);
  50         void setMessageOutputWidget(Glib::RefPtr<Gtk::TextBuffer> const& widgetptr);
  51
  52         static unsigned short const BACKWARD = 0;
  53         static unsigned short const FORWARD = 1;
  54
  55 private:
  56         bool step(unsigned short dir);
  57         void _outputMessageToWidget();
  58
  59         SessionManager* _sm;
  60         SessionFile* _sf;
  61
  62         // Output widget refptr
  63         Glib::RefPtr<Gtk::TextBuffer> _outputwidget;
  64
  65         // Playback signal
  66         sigc::connection _playback_dispatcher;
  67
  68         // trackers
  69         unsigned int _delay;
  70         unsigned short _curdir;
  71         bool _playing;
  72         Glib::ustring _curmsg;
  73
  74         // (position, msgsize)
  75         std::list< std::pair< gint64, gint64 > > _visited;
  76         gint64 _current;
  77         gint64 _next;
  78
  79         // noncopyable, nonassignable
  80         SessionFilePlayer(SessionFilePlayer const&);
  81         void operator=(SessionFilePlayer const&);
  82 };
  83
  84 }
  85
  86 }
  87
  88 #endif
  89
  90 /*
  91   Local Variables:
  92   mode:c++
  93   c-file-style:"stroustrup"
  94   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  95   indent-tabs-mode:nil
  96   fill-column:99
  97   End:
  98 */
  99 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :