summaryrefslogtreecommitdiff
path: root/frontends/beos/schedule.cpp
diff options
context:
space:
mode:
authorVincent Sanders <vince@kyllikki.org>2016-05-05 22:28:51 +0100
committerVincent Sanders <vince@kyllikki.org>2016-05-15 13:44:34 +0100
commitd21447d096a320a08b3efb2b8768fad0dcdcfd64 (patch)
tree1a83814b7c9e94b2f13c473261f23dd3a17dee64 /frontends/beos/schedule.cpp
parent2cbb337756d9af5bda4d594964d446439f602551 (diff)
downloadnetsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.gz
netsurf-d21447d096a320a08b3efb2b8768fad0dcdcfd64.tar.bz2
move frontends into sub directory
Diffstat (limited to 'frontends/beos/schedule.cpp')
-rw-r--r--frontends/beos/schedule.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/frontends/beos/schedule.cpp b/frontends/beos/schedule.cpp
new file mode 100644
index 000000000..a9da53501
--- /dev/null
+++ b/frontends/beos/schedule.cpp
@@ -0,0 +1,142 @@
+/*
+ * Copyright 2008 Fran├žois 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 "content/content.h"
+#include "desktop/browser.h"
+
+#ifdef DEBUG_BEOS_SCHEDULE
+#include "utils/log.h"
+#else
+#define LOG(x...)
+#endif
+}
+
+/** 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)) {
+ LOG("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)
+{
+ LOG("schedule_remove() for %p(%p)", cb->callback, cb->context);
+ 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)
+{
+ LOG("t:%d cb:%p p:%p", t, cb->callback, cb->context);
+
+ 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)
+{
+ LOG("schedule_run()");
+
+ earliest_callback_timeout = B_INFINITE_TIMEOUT;
+ if (callbacks == NULL)
+ return false; /* Nothing to do */
+
+ bigtime_t now = system_time();
+ int32 i;
+
+ LOG("Checking %ld callbacks to for deadline.", this_run->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;
+ }
+ LOG("Running callbacks %p(%p).", cb->callback, cb->context);
+ if (!cb->callback_killed)
+ cb->callback(cb->context);
+ callbacks->RemoveItem(cb);
+ free(cb);
+ }
+ return true;
+}