mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-24 07:19:37 +03:00
150 lines
3.9 KiB
C++
150 lines
3.9 KiB
C++
/*
|
|
* Copyright 2008 François Revol <mmu_man@users.sourceforge.net>
|
|
*
|
|
* This file is part of NetSurf, http://www.netsurf-browser.org/
|
|
*
|
|
* NetSurf 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; version 2 of the License.
|
|
*
|
|
* NetSurf 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#define __STDBOOL_H__ 1
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <OS.h>
|
|
#include <List.h>
|
|
|
|
extern "C" {
|
|
#include "utils/errors.h"
|
|
#include "beos/schedule.h"
|
|
#include "netsurf/content_type.h"
|
|
#include "netsurf/browser_window.h"
|
|
|
|
#include "utils/log.h"
|
|
}
|
|
|
|
/** Killable callback closure embodiment. */
|
|
typedef struct {
|
|
void (*callback)(void *); /**< The callback function. */
|
|
void *context; /**< The context for the callback. */
|
|
bool callback_killed; /**< Whether or not this was killed. */
|
|
bool callback_fired; /**< Whether or not this has fired yet. */
|
|
bigtime_t timeout;
|
|
} _nsbeos_callback_t;
|
|
|
|
/** List of all callbacks. */
|
|
static BList *callbacks = NULL;
|
|
|
|
/** earliest deadline. It's used for select() in gui_poll() */
|
|
bigtime_t earliest_callback_timeout = B_INFINITE_TIMEOUT;
|
|
|
|
|
|
static bool
|
|
nsbeos_schedule_kill_callback(void *_target, void *_match)
|
|
{
|
|
_nsbeos_callback_t *target = (_nsbeos_callback_t *)_target;
|
|
_nsbeos_callback_t *match = (_nsbeos_callback_t *)_match;
|
|
if ((target->callback == match->callback) &&
|
|
(target->context == match->context)) {
|
|
NSLOG(schedule, DEBUG,
|
|
"Found match for %p(%p), killing.",
|
|
target->callback,
|
|
target->context);
|
|
target->callback = NULL;
|
|
target->context = NULL;
|
|
target->callback_killed = true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static void
|
|
schedule_remove(void (*callback)(void *p), void *p)
|
|
{
|
|
NSLOG(schedule, DEBUG,
|
|
"schedule_remove() for %p(%p)",
|
|
callback, p);
|
|
if (callbacks == NULL)
|
|
return;
|
|
_nsbeos_callback_t cb_match;
|
|
cb_match.callback = callback;
|
|
cb_match.context = p;
|
|
|
|
callbacks->DoForEach(nsbeos_schedule_kill_callback, &cb_match);
|
|
}
|
|
|
|
nserror beos_schedule(int t, void (*callback)(void *p), void *p)
|
|
{
|
|
NSLOG(schedule, DEBUG, "t:%d cb:%p p:%p", t, callback, p);
|
|
|
|
if (callbacks == NULL) {
|
|
callbacks = new BList;
|
|
}
|
|
|
|
/* Kill any pending schedule of this kind. */
|
|
schedule_remove(callback, p);
|
|
|
|
if (t < 0) {
|
|
return NSERROR_OK;
|
|
}
|
|
|
|
bigtime_t timeout = system_time() + t * 1000LL;
|
|
_nsbeos_callback_t *cb = (_nsbeos_callback_t *)malloc(sizeof(_nsbeos_callback_t));
|
|
cb->callback = callback;
|
|
cb->context = p;
|
|
cb->callback_killed = cb->callback_fired = false;
|
|
cb->timeout = timeout;
|
|
if (earliest_callback_timeout > timeout) {
|
|
earliest_callback_timeout = timeout;
|
|
}
|
|
callbacks->AddItem(cb);
|
|
|
|
return NSERROR_OK;
|
|
}
|
|
|
|
bool
|
|
schedule_run(void)
|
|
{
|
|
NSLOG(schedule, DEBUG, "schedule_run()");
|
|
|
|
earliest_callback_timeout = B_INFINITE_TIMEOUT;
|
|
if (callbacks == NULL)
|
|
return false; /* Nothing to do */
|
|
|
|
bigtime_t now = system_time();
|
|
int32 i;
|
|
|
|
NSLOG(schedule, DEBUG,
|
|
"Checking %ld callbacks to for deadline.",
|
|
callbacks->CountItems());
|
|
|
|
/* Run all the callbacks which made it this far. */
|
|
for (i = 0; i < callbacks->CountItems(); ) {
|
|
_nsbeos_callback_t *cb = (_nsbeos_callback_t *)(callbacks->ItemAt(i));
|
|
if (cb->timeout > now) {
|
|
// update next deadline
|
|
if (earliest_callback_timeout > cb->timeout)
|
|
earliest_callback_timeout = cb->timeout;
|
|
i++;
|
|
continue;
|
|
}
|
|
NSLOG(schedule, DEBUG,
|
|
"Running callbacks %p(%p).",
|
|
cb->callback,
|
|
cb->context);
|
|
|
|
if (!cb->callback_killed)
|
|
cb->callback(cb->context);
|
|
callbacks->RemoveItem(cb);
|
|
free(cb);
|
|
}
|
|
return true;
|
|
}
|