1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
public class ChessClock : Object
{
private uint _white_duration;
public uint white_duration
{
get { return _white_duration; }
}
private uint _black_duration;
public uint black_duration
{
get { return _black_duration; }
}
private uint _white_used;
public uint white_used
{
get
{
if (active_color == Color.WHITE)
return _white_used + (uint) (timer.elapsed () * 1000);
else
return _white_used;
}
}
public uint white_used_in_seconds
{
get { return (white_used + 500) / 1000; }
}
private uint _black_used;
public uint black_used
{
get
{
if (active_color == Color.WHITE)
return _black_used;
else
return _black_used + (uint) (timer.elapsed () * 1000);
}
}
public uint black_used_in_seconds
{
get { return (black_used + 500) / 1000; }
}
public Color _active_color = Color.WHITE;
public Color active_color
{
get { return _active_color; }
set
{
if (value == active_color)
return;
stop ();
_active_color = value;
start ();
}
}
private Timer timer;
private uint expire_timeout = 0;
private uint tick_timeout = 0;
public signal void tick ();
public signal void expired ();
public ChessClock (uint white_duration, uint black_duration, uint white_used = 0, uint black_used = 0)
{
_white_duration = white_duration * 1000;
_black_duration = black_duration * 1000;
_white_used = white_used;
_black_used = black_used;
timer = new Timer ();
}
private bool is_started
{
get { return expire_timeout != 0; }
}
public void start ()
{
if (is_started)
return;
/* Start stopwatch */
timer.start ();
/* Notify when this timer has expired */
if (active_color == Color.WHITE)
expire_timeout = Timeout.add (white_duration - _white_used, timer_expired_cb);
else
expire_timeout = Timeout.add (black_duration - _black_used, timer_expired_cb);
/* Wake up each second */
tick_cb ();
}
private bool timer_expired_cb ()
{
stop ();
expired ();
return false;
}
private bool tick_cb ()
{
if (tick_timeout != 0)
tick ();
uint elapsed = (uint) (timer.elapsed () * 1000);
uint used;
if (active_color == Color.WHITE)
used = _white_used + elapsed;
else
used = _black_used + elapsed;
var next_tick_time = ((used / 1000) + 1) * 1000;
tick_timeout = Timeout.add (next_tick_time - used, tick_cb);
return false;
}
public void stop ()
{
if (!is_started)
return;
timer.stop ();
Source.remove (expire_timeout);
expire_timeout = 0;
Source.remove (tick_timeout);
tick_timeout = 0;
var elapsed = (uint) (timer.elapsed () * 1000);
if (active_color == Color.WHITE)
{
_white_used += elapsed;
if (_white_used > white_duration)
_white_used = white_duration;
}
else
{
_black_used += elapsed;
if (_black_used > black_duration)
_black_used = black_duration;
}
timer.reset ();
}
}
|