123 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* PIKA - Photo and Image Kooker Application
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|  * a rebranding of The GNU Image Manipulation Program (created with heckimp)
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|  * A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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|  *
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|  * Original copyright, applying to most contents (license remains unchanged): 
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|  * Copyright (C) 1995 Spencer Kimball and Peter Mattis
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|  *
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|  * pikawaitable.c
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|  * Copyright (C) 2018 Ell
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|  *
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|  * This program is free software: you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 3 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
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|  */
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| 
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| 
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| #include "config.h"
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| 
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| #include <gdk-pixbuf/gdk-pixbuf.h>
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| #include <gegl.h>
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| 
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| #include "core-types.h"
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| 
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| #include "pikawaitable.h"
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| 
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| 
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| G_DEFINE_INTERFACE (PikaWaitable, pika_waitable, G_TYPE_OBJECT)
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| 
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| 
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| /*  private functions  */
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| 
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| 
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| static void
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| pika_waitable_default_init (PikaWaitableInterface *iface)
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| {
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| }
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| 
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| 
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| /*  public functions  */
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| 
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| 
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| void
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| pika_waitable_wait (PikaWaitable *waitable)
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| {
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|   PikaWaitableInterface *iface;
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| 
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|   g_return_if_fail (PIKA_IS_WAITABLE (waitable));
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| 
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|   iface = PIKA_WAITABLE_GET_IFACE (waitable);
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| 
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|   if (iface->wait)
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|     iface->wait (waitable);
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| }
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| 
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| gboolean
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| pika_waitable_try_wait (PikaWaitable *waitable)
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| {
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|   PikaWaitableInterface *iface;
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| 
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|   g_return_val_if_fail (PIKA_IS_WAITABLE (waitable), FALSE);
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| 
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|   iface = PIKA_WAITABLE_GET_IFACE (waitable);
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| 
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|   if (iface->try_wait)
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|     {
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|       return iface->try_wait (waitable);
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|     }
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|   else
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|     {
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|       pika_waitable_wait (waitable);
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| 
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|       return TRUE;
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|     }
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| }
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| 
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| gboolean
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| pika_waitable_wait_until (PikaWaitable *waitable,
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|                           gint64        end_time)
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| {
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|   PikaWaitableInterface *iface;
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| 
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|   g_return_val_if_fail (PIKA_IS_WAITABLE (waitable), FALSE);
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| 
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|   iface = PIKA_WAITABLE_GET_IFACE (waitable);
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| 
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|   if (iface->wait_until)
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|     {
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|       return iface->wait_until (waitable, end_time);
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|     }
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|   else
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|     {
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|       pika_waitable_wait (waitable);
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| 
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|       return TRUE;
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|     }
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| }
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| 
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| gboolean
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| pika_waitable_wait_for (PikaWaitable *waitable,
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|                         gint64        wait_duration)
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| {
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|   g_return_val_if_fail (PIKA_IS_WAITABLE (waitable), FALSE);
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| 
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|   if (wait_duration <= 0)
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|     {
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|       return pika_waitable_try_wait (waitable);
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|     }
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|   else
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|     {
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|       return pika_waitable_wait_until (waitable,
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|                                        g_get_monotonic_time () + wait_duration);
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|     }
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| }
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