From d21447d096a320a08b3efb2b8768fad0dcdcfd64 Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@kyllikki.org>
Date: Thu, 5 May 2016 22:28:51 +0100
Subject: move frontends into sub directory

---
 frontends/beos/schedule.cpp | 142 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 142 insertions(+)
 create mode 100644 frontends/beos/schedule.cpp

(limited to 'frontends/beos/schedule.cpp')

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 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 "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;
+}
-- 
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