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app: add gimp_async_remove_callback() 

... which removes a callback previously added through
gimp_async_add_callback().
This commit is contained in:
Ell 2018-05-26 12:06:38 -04:00
parent 3e92e7a449
commit 85f67e196c
2 changed files with 62 additions and 19 deletions
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39
app/core/gimpasync.c
View File

@ -328,6 +328,45 @@ gimp_async_add_callback (GimpAsync *async,
g_mutex_unlock (&async->priv->mutex);
}
/* removes all callbacks previously registered through
* 'gimp_async_add_callback()', matching 'callback' and 'data', which hasn't
* been called yet.
*
* may only be called on the main thread.
*/
void
gimp_async_remove_callback (GimpAsync *async,
GimpAsyncCallback callback,
gpointer data)
{
GList *iter;
g_return_if_fail (GIMP_IS_ASYNC (async));
g_return_if_fail (callback != NULL);
g_mutex_lock (&async->priv->mutex);
iter = g_queue_peek_head_link (&async->priv->callbacks);
while (iter)
{
GimpAsyncCallbackInfo *callback_info = iter->data;
GList *next = g_list_next (iter);
if (callback_info->callback == callback &&
callback_info->data == data)
{
g_queue_delete_link (&async->priv->callbacks, iter);
g_slice_free (GimpAsyncCallbackInfo, callback_info);
}
iter = next;
}
g_mutex_unlock (&async->priv->mutex);
}
/* transitions 'async' to the "stopped" state, indicating that the task
* completed normally, possibly providing a result.
*

42
app/core/gimpasync.h
View File

@ -50,31 +50,35 @@ struct _GimpAsyncClass
};
GType gimp_async_get_type (void) G_GNUC_CONST;
GType gimp_async_get_type (void) G_GNUC_CONST;
GimpAsync * gimp_async_new (void);
GimpAsync * gimp_async_new (void);
gboolean gimp_async_is_stopped (GimpAsync *async);
gboolean gimp_async_is_stopped (GimpAsync *async);
void gimp_async_wait (GimpAsync *async);
gboolean gimp_async_wait_until (GimpAsync *async,
gint64 end_time);
void gimp_async_add_callback (GimpAsync *async,
GimpAsyncCallback callback,
gpointer data);
void gimp_async_wait (GimpAsync *async);
gboolean gimp_async_wait_until (GimpAsync *async,
gint64 end_time);
void gimp_async_finish (GimpAsync *async,
gpointer result);
void gimp_async_finish_full (GimpAsync *async,
gpointer result,
GDestroyNotify result_destroy_func);
gboolean gimp_async_is_finished (GimpAsync *async);
gpointer gimp_async_get_result (GimpAsync *async);
void gimp_async_add_callback (GimpAsync *async,
GimpAsyncCallback callback,
gpointer data);
void gimp_async_remove_callback (GimpAsync *async,
GimpAsyncCallback callback,
gpointer data);
void gimp_async_abort (GimpAsync *async);
void gimp_async_finish (GimpAsync *async,
gpointer result);
void gimp_async_finish_full (GimpAsync *async,
gpointer result,
GDestroyNotify result_destroy_func);
gboolean gimp_async_is_finished (GimpAsync *async);
gpointer gimp_async_get_result (GimpAsync *async);
void gimp_async_cancel (GimpAsync *async);
gboolean gimp_async_is_canceled (GimpAsync *async);
void gimp_async_abort (GimpAsync *async);
void gimp_async_cancel (GimpAsync *async);
gboolean gimp_async_is_canceled (GimpAsync *async);
#endif /* __GIMP_ASYNC_H__ */