355 lines
10 KiB
C
355 lines
10 KiB
C
/* PIKA - Photo and Image Kooker Application
|
|
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
|
|
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
|
|
*
|
|
* Original copyright, applying to most contents (license remains unchanged):
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* pikaasyncset.c
|
|
* Copyright (C) 2018 Ell
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <gdk-pixbuf/gdk-pixbuf.h>
|
|
#include <gegl.h>
|
|
|
|
#include "libpikabase/pikabase.h"
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "pikaasync.h"
|
|
#include "pikaasyncset.h"
|
|
#include "pikacancelable.h"
|
|
#include "pikawaitable.h"
|
|
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
PROP_EMPTY
|
|
};
|
|
|
|
|
|
struct _PikaAsyncSetPrivate
|
|
{
|
|
GHashTable *asyncs;
|
|
};
|
|
|
|
|
|
/* local function prototypes */
|
|
|
|
static void pika_async_set_waitable_iface_init (PikaWaitableInterface *iface);
|
|
|
|
static void pika_async_set_cancelable_iface_init (PikaCancelableInterface *iface);
|
|
|
|
static void pika_async_set_dispose (GObject *object);
|
|
static void pika_async_set_finalize (GObject *object);
|
|
static void pika_async_set_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec);
|
|
static void pika_async_set_get_property (GObject *object,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec);
|
|
|
|
static void pika_async_set_wait (PikaWaitable *waitable);
|
|
static gboolean pika_async_set_try_wait (PikaWaitable *waitable);
|
|
static gboolean pika_async_set_wait_until (PikaWaitable *waitable,
|
|
gint64 end_time);
|
|
|
|
static void pika_async_set_cancel (PikaCancelable *cancelable);
|
|
|
|
static void pika_async_set_async_callback (PikaAsync *async,
|
|
PikaAsyncSet *async_set);
|
|
|
|
|
|
G_DEFINE_TYPE_WITH_CODE (PikaAsyncSet, pika_async_set, G_TYPE_OBJECT,
|
|
G_ADD_PRIVATE (PikaAsyncSet)
|
|
G_IMPLEMENT_INTERFACE (PIKA_TYPE_WAITABLE,
|
|
pika_async_set_waitable_iface_init)
|
|
G_IMPLEMENT_INTERFACE (PIKA_TYPE_CANCELABLE,
|
|
pika_async_set_cancelable_iface_init))
|
|
|
|
#define parent_class pika_async_set_parent_class
|
|
|
|
|
|
/* private functions */
|
|
|
|
|
|
static void
|
|
pika_async_set_class_init (PikaAsyncSetClass *klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
|
|
object_class->dispose = pika_async_set_dispose;
|
|
object_class->finalize = pika_async_set_finalize;
|
|
object_class->set_property = pika_async_set_set_property;
|
|
object_class->get_property = pika_async_set_get_property;
|
|
|
|
g_object_class_install_property (object_class, PROP_EMPTY,
|
|
g_param_spec_boolean ("empty",
|
|
NULL, NULL,
|
|
FALSE,
|
|
PIKA_PARAM_READABLE));
|
|
}
|
|
|
|
static void
|
|
pika_async_set_waitable_iface_init (PikaWaitableInterface *iface)
|
|
{
|
|
iface->wait = pika_async_set_wait;
|
|
iface->try_wait = pika_async_set_try_wait;
|
|
iface->wait_until = pika_async_set_wait_until;
|
|
}
|
|
|
|
static void
|
|
pika_async_set_cancelable_iface_init (PikaCancelableInterface *iface)
|
|
{
|
|
iface->cancel = pika_async_set_cancel;
|
|
}
|
|
|
|
static void
|
|
pika_async_set_init (PikaAsyncSet *async_set)
|
|
{
|
|
async_set->priv = pika_async_set_get_instance_private (async_set);
|
|
|
|
async_set->priv->asyncs = g_hash_table_new (NULL, NULL);
|
|
}
|
|
|
|
static void
|
|
pika_async_set_dispose (GObject *object)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (object);
|
|
|
|
pika_async_set_clear (async_set);
|
|
|
|
G_OBJECT_CLASS (parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
pika_async_set_finalize (GObject *object)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (object);
|
|
|
|
g_hash_table_unref (async_set->priv->asyncs);
|
|
|
|
G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
pika_async_set_set_property (GObject *object,
|
|
guint property_id,
|
|
const GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
switch (property_id)
|
|
{
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_async_set_get_property (GObject *object,
|
|
guint property_id,
|
|
GValue *value,
|
|
GParamSpec *pspec)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (object);
|
|
|
|
switch (property_id)
|
|
{
|
|
case PROP_EMPTY:
|
|
g_value_set_boolean (value, pika_async_set_is_empty (async_set));
|
|
break;
|
|
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
pika_async_set_wait (PikaWaitable *waitable)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (waitable);
|
|
|
|
while (! pika_async_set_is_empty (async_set))
|
|
{
|
|
PikaAsync *async;
|
|
GHashTableIter iter;
|
|
|
|
g_hash_table_iter_init (&iter, async_set->priv->asyncs);
|
|
|
|
g_hash_table_iter_next (&iter, (gpointer *) &async, NULL);
|
|
|
|
pika_waitable_wait (PIKA_WAITABLE (async));
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
pika_async_set_try_wait (PikaWaitable *waitable)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (waitable);
|
|
|
|
while (! pika_async_set_is_empty (async_set))
|
|
{
|
|
PikaAsync *async;
|
|
GHashTableIter iter;
|
|
|
|
g_hash_table_iter_init (&iter, async_set->priv->asyncs);
|
|
|
|
g_hash_table_iter_next (&iter, (gpointer *) &async, NULL);
|
|
|
|
if (! pika_waitable_try_wait (PIKA_WAITABLE (async)))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static gboolean
|
|
pika_async_set_wait_until (PikaWaitable *waitable,
|
|
gint64 end_time)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (waitable);
|
|
|
|
while (! pika_async_set_is_empty (async_set))
|
|
{
|
|
PikaAsync *async;
|
|
GHashTableIter iter;
|
|
|
|
g_hash_table_iter_init (&iter, async_set->priv->asyncs);
|
|
|
|
g_hash_table_iter_next (&iter, (gpointer *) &async, NULL);
|
|
|
|
if (! pika_waitable_wait_until (PIKA_WAITABLE (async), end_time))
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
pika_async_set_cancel (PikaCancelable *cancelable)
|
|
{
|
|
PikaAsyncSet *async_set = PIKA_ASYNC_SET (cancelable);
|
|
GList *list;
|
|
|
|
list = g_hash_table_get_keys (async_set->priv->asyncs);
|
|
|
|
g_list_foreach (list, (GFunc) g_object_ref, NULL);
|
|
|
|
g_list_foreach (list, (GFunc) pika_cancelable_cancel, NULL);
|
|
|
|
g_list_free_full (list, g_object_unref);
|
|
}
|
|
|
|
static void
|
|
pika_async_set_async_callback (PikaAsync *async,
|
|
PikaAsyncSet *async_set)
|
|
{
|
|
g_hash_table_remove (async_set->priv->asyncs, async);
|
|
|
|
if (pika_async_set_is_empty (async_set))
|
|
g_object_notify (G_OBJECT (async_set), "empty");
|
|
}
|
|
|
|
|
|
/* public functions */
|
|
|
|
|
|
PikaAsyncSet *
|
|
pika_async_set_new (void)
|
|
{
|
|
return g_object_new (PIKA_TYPE_ASYNC_SET,
|
|
NULL);
|
|
}
|
|
|
|
void
|
|
pika_async_set_add (PikaAsyncSet *async_set,
|
|
PikaAsync *async)
|
|
{
|
|
g_return_if_fail (PIKA_IS_ASYNC_SET (async_set));
|
|
g_return_if_fail (PIKA_IS_ASYNC (async));
|
|
|
|
if (g_hash_table_add (async_set->priv->asyncs, async))
|
|
{
|
|
if (g_hash_table_size (async_set->priv->asyncs) == 1)
|
|
g_object_notify (G_OBJECT (async_set), "empty");
|
|
|
|
pika_async_add_callback (
|
|
async,
|
|
(PikaAsyncCallback) pika_async_set_async_callback,
|
|
async_set);
|
|
}
|
|
}
|
|
|
|
void
|
|
pika_async_set_remove (PikaAsyncSet *async_set,
|
|
PikaAsync *async)
|
|
{
|
|
g_return_if_fail (PIKA_IS_ASYNC_SET (async_set));
|
|
g_return_if_fail (PIKA_IS_ASYNC (async));
|
|
|
|
if (g_hash_table_remove (async_set->priv->asyncs, async))
|
|
{
|
|
pika_async_remove_callback (
|
|
async,
|
|
(PikaAsyncCallback) pika_async_set_async_callback,
|
|
async_set);
|
|
|
|
if (g_hash_table_size (async_set->priv->asyncs) == 0)
|
|
g_object_notify (G_OBJECT (async_set), "empty");
|
|
}
|
|
}
|
|
|
|
void
|
|
pika_async_set_clear (PikaAsyncSet *async_set)
|
|
{
|
|
PikaAsync *async;
|
|
GHashTableIter iter;
|
|
|
|
g_return_if_fail (PIKA_IS_ASYNC_SET (async_set));
|
|
|
|
if (pika_async_set_is_empty (async_set))
|
|
return;
|
|
|
|
g_hash_table_iter_init (&iter, async_set->priv->asyncs);
|
|
|
|
while (g_hash_table_iter_next (&iter, (gpointer *) &async, NULL))
|
|
{
|
|
pika_async_remove_callback (
|
|
async,
|
|
(PikaAsyncCallback) pika_async_set_async_callback,
|
|
async_set);
|
|
}
|
|
|
|
g_hash_table_remove_all (async_set->priv->asyncs);
|
|
|
|
g_object_notify (G_OBJECT (async_set), "empty");
|
|
}
|
|
|
|
gboolean
|
|
pika_async_set_is_empty (PikaAsyncSet *async_set)
|
|
{
|
|
g_return_val_if_fail (PIKA_IS_ASYNC_SET (async_set), FALSE);
|
|
|
|
return g_hash_table_size (async_set->priv->asyncs) == 0;
|
|
}
|
