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-rw-r--r--src/xine-engine/events.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/xine-engine/events.c b/src/xine-engine/events.c
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index 000000000..f2774168a
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+++ b/src/xine-engine/events.c
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+/*
+ * Copyright (C) 2000-2001 the xine project
+ *
+ * This file is part of xine, a unix video player.
+ *
+ * xine 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * xine 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ *
+ * $Id:
+ *
+ * Event handling functions
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "xine_internal.h"
+
+int xine_register_event_listener(xine_t *this, event_listener_t *listener) {
+ /* Ensure the listener is non-NULL */
+ if(listener == NULL) {
+ return 0;
+ }
+
+ /* Check we hava a slot free */
+ if(this->num_event_listeners < XINE_MAX_EVENT_LISTENERS) {
+ this->event_listeners[this->num_event_listeners++] = listener;
+ return 1;
+ }
+
+ return 0;
+}
+
+void xine_send_event(xine_t *this, event_t *event, void *data) {
+ uint16_t i;
+
+ /* Itterate through all event handlers */
+ for(i=0; i < this->num_event_listeners; i++) {
+ (this->event_listeners[i]) (this, event, data);
+ }
+}
+
+int xine_remove_event_listener(xine_t *this, event_listener_t *listener) {
+ uint16_t i, found;
+
+ found = 1; i = 0;
+
+ /* Attempt to find the listener */
+ while((found == 1) && (i < this->num_event_listeners)) {
+ if(this->event_listeners[i] == listener) {
+ /* Set found flag */
+ found = 0;
+
+ this->event_listeners[i] = NULL;
+
+ /* If possible, move the last listener to the hole thats left */
+ if(this->num_event_listeners > 1) {
+ this->event_listeners[i] = this->event_listeners[this->num_event_listeners - 1];
+ this->event_listeners[this->num_event_listeners - 1] = NULL;
+ }
+
+ this->num_event_listeners --;
+ }
+
+ i++;
+ }
+
+ return found;
+}