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
|
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "status-provider.h"
/* Signals */
enum {
STATUS_CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
/* GObject Boilerplate */
static void status_provider_class_init (StatusProviderClass *klass);
static void status_provider_init (StatusProvider *self);
G_DEFINE_TYPE (StatusProvider, status_provider, G_TYPE_OBJECT);
static void
status_provider_class_init (StatusProviderClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
klass->status_changed = NULL;
klass->set_status = NULL;
klass->get_status = NULL;
/**
StatusProvider::status-changed:
@arg0: The #StatusProvider object.
@arg1: The new status #StatusProviderStatus
Should be emitted by subclasses everytime that the status
changes externally to us.
*/
signals[STATUS_CHANGED] = g_signal_new(STATUS_PROVIDER_SIGNAL_STATUS_CHANGED,
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET(StatusProviderClass, status_changed),
NULL, NULL,
g_cclosure_marshal_VOID__UINT,
G_TYPE_NONE, 1, G_TYPE_UINT);
return;
}
static void
status_provider_init (StatusProvider *self)
{
return;
}
void
status_provider_set_status (StatusProvider * sp, StatusProviderStatus status)
{
g_return_if_fail(IS_STATUS_PROVIDER(sp));
StatusProviderClass * class = STATUS_PROVIDER_GET_CLASS(sp);
g_return_if_fail(class != NULL);
g_return_if_fail(class->set_status != NULL);
return class->set_status(sp, status);
}
StatusProviderStatus
status_provider_get_status (StatusProvider * sp)
{
g_return_val_if_fail(IS_STATUS_PROVIDER(sp), STATUS_PROVIDER_STATUS_OFFLINE);
StatusProviderClass * class = STATUS_PROVIDER_GET_CLASS(sp);
g_return_val_if_fail(class->get_status != NULL, STATUS_PROVIDER_STATUS_OFFLINE);
return class->get_status(sp);
}
void
status_provider_emit_status_changed (StatusProvider * sp, StatusProviderStatus newstatus)
{
g_return_if_fail(IS_STATUS_PROVIDER(sp));
g_signal_emit(sp, signals[STATUS_CHANGED], 0, newstatus, TRUE);
return;
}
|
