1 /* GIMP - The GNU Image Manipulation Program
2  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
3  *
4  * gimpwaitable.c
5  * Copyright (C) 2018 Ell
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19  */
20 
21 
22 #include "config.h"
23 
24 #include <gdk-pixbuf/gdk-pixbuf.h>
25 #include <gegl.h>
26 
27 #include "core-types.h"
28 
29 #include "gimpwaitable.h"
30 
31 
G_DEFINE_INTERFACE(GimpWaitable,gimp_waitable,G_TYPE_OBJECT)32 G_DEFINE_INTERFACE (GimpWaitable, gimp_waitable, G_TYPE_OBJECT)
33 
34 
35 /*  private functions  */
36 
37 
38 static void
39 gimp_waitable_default_init (GimpWaitableInterface *iface)
40 {
41 }
42 
43 
44 /*  public functions  */
45 
46 
47 void
gimp_waitable_wait(GimpWaitable * waitable)48 gimp_waitable_wait (GimpWaitable *waitable)
49 {
50   GimpWaitableInterface *iface;
51 
52   g_return_if_fail (GIMP_IS_WAITABLE (waitable));
53 
54   iface = GIMP_WAITABLE_GET_INTERFACE (waitable);
55 
56   if (iface->wait)
57     iface->wait (waitable);
58 }
59 
60 gboolean
gimp_waitable_try_wait(GimpWaitable * waitable)61 gimp_waitable_try_wait (GimpWaitable *waitable)
62 {
63   GimpWaitableInterface *iface;
64 
65   g_return_val_if_fail (GIMP_IS_WAITABLE (waitable), FALSE);
66 
67   iface = GIMP_WAITABLE_GET_INTERFACE (waitable);
68 
69   if (iface->try_wait)
70     {
71       return iface->try_wait (waitable);
72     }
73   else
74     {
75       gimp_waitable_wait (waitable);
76 
77       return TRUE;
78     }
79 }
80 
81 gboolean
gimp_waitable_wait_until(GimpWaitable * waitable,gint64 end_time)82 gimp_waitable_wait_until (GimpWaitable *waitable,
83                           gint64        end_time)
84 {
85   GimpWaitableInterface *iface;
86 
87   g_return_val_if_fail (GIMP_IS_WAITABLE (waitable), FALSE);
88 
89   iface = GIMP_WAITABLE_GET_INTERFACE (waitable);
90 
91   if (iface->wait_until)
92     {
93       return iface->wait_until (waitable, end_time);
94     }
95   else
96     {
97       gimp_waitable_wait (waitable);
98 
99       return TRUE;
100     }
101 }
102 
103 gboolean
gimp_waitable_wait_for(GimpWaitable * waitable,gint64 wait_duration)104 gimp_waitable_wait_for (GimpWaitable *waitable,
105                         gint64        wait_duration)
106 {
107   g_return_val_if_fail (GIMP_IS_WAITABLE (waitable), FALSE);
108 
109   if (wait_duration <= 0)
110     {
111       return gimp_waitable_try_wait (waitable);
112     }
113   else
114     {
115       return gimp_waitable_wait_until (waitable,
116                                        g_get_monotonic_time () + wait_duration);
117     }
118 }
119