mirror of
https://github.com/netsurf-browser/netsurf
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eb28188661
* Toolbar use HVIF icons on Haiku * Download window * Some tweaks to the event loop to let network traffic happen Signed-off-by: François Revol <revol@free.fr>
136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
/*
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* Copyright 2008 François Revol <mmu_man@users.sourceforge.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf 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; version 2 of the License.
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*
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* NetSurf 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 <http://www.gnu.org/licenses/>.
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*/
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#define __STDBOOL_H__ 1
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#include <stdlib.h>
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#include <stdbool.h>
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#include <OS.h>
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#include <List.h>
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extern "C" {
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#include "utils/schedule.h"
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#include "desktop/browser.h"
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#ifdef DEBUG_BEOS_SCHEDULE
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#include "utils/log.h"
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#else
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#define LOG(X)
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#endif
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}
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/** Killable callback closure embodiment. */
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typedef struct {
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void (*callback)(void *); /**< The callback function. */
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void *context; /**< The context for the callback. */
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bool callback_killed; /**< Whether or not this was killed. */
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bool callback_fired; /**< Whether or not this has fired yet. */
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bigtime_t timeout;
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} _nsbeos_callback_t;
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/** List of all callbacks. */
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static BList *callbacks = NULL;
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/** earliest deadline. It's used for select() in gui_poll() */
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bigtime_t earliest_callback_timeout = B_INFINITE_TIMEOUT;
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static bool
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nsbeos_schedule_kill_callback(void *_target, void *_match)
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{
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_nsbeos_callback_t *target = (_nsbeos_callback_t *)_target;
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_nsbeos_callback_t *match = (_nsbeos_callback_t *)_match;
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if ((target->callback == match->callback) &&
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(target->context == match->context)) {
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LOG(("Found match for %p(%p), killing.",
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target->callback, target->context));
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target->callback = NULL;
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target->context = NULL;
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target->callback_killed = true;
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}
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return false;
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}
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void
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schedule_remove(void (*callback)(void *p), void *p)
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{
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LOG(("schedule_remove() for %p(%p)", cb->callback, cb->context));
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if (callbacks == NULL)
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return;
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_nsbeos_callback_t cb_match;
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cb_match.callback = callback;
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cb_match.context = p;
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callbacks->DoForEach(nsbeos_schedule_kill_callback, &cb_match);
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}
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void
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schedule(int t, void (*callback)(void *p), void *p)
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{
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LOG(("schedule(%d, %p, %p)", t, cb->callback, cb->context));
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if (callbacks == NULL)
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callbacks = new BList;
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bigtime_t timeout = system_time() + t * 10 * 1000LL;
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const int msec_timeout = t * 10;
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_nsbeos_callback_t *cb = (_nsbeos_callback_t *)malloc(sizeof(_nsbeos_callback_t));
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/* Kill any pending schedule of this kind. */
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schedule_remove(callback, p);
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cb->callback = callback;
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cb->context = p;
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cb->callback_killed = cb->callback_fired = false;
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cb->timeout = timeout;
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if (earliest_callback_timeout > timeout) {
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earliest_callback_timeout = timeout;
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}
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callbacks->AddItem(cb);
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}
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bool
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schedule_run(void)
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{
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LOG(("schedule_run()"));
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earliest_callback_timeout = B_INFINITE_TIMEOUT;
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if (callbacks == NULL)
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return false; /* Nothing to do */
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bigtime_t now = system_time();
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int32 i;
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LOG(("Checking %ld callbacks to for deadline.", this_run->CountItems()));
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/* Run all the callbacks which made it this far. */
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for (i = 0; i < callbacks->CountItems(); ) {
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_nsbeos_callback_t *cb = (_nsbeos_callback_t *)(callbacks->ItemAt(i));
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if (cb->timeout > now) {
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// update next deadline
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if (earliest_callback_timeout > cb->timeout)
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earliest_callback_timeout = cb->timeout;
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i++;
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continue;
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}
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LOG(("Running callbacks %p(%p).", cb->callback, cb->context));
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if (!cb->callback_killed)
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cb->callback(cb->context);
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callbacks->RemoveItem(cb);
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free(cb);
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}
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return true;
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}
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