haiku/src/kits/media/TimedEventQueuePrivate.h
ejakowatz 52a3801208 It is accomplished ...
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00

79 lines
2.1 KiB
C++

/***********************************************************************
* AUTHOR: Marcus Overhagen
* FILE: TimedEventQueuePrivate.cpp
* DESCR: implements _event_queue_imp used by BTimedEventQueue,
* not thread save!
***********************************************************************/
#ifndef _TIMED_EVENT_QUEUE_PRIVATE_H
#define _TIMED_EVENT_QUEUE_PRIVATE_H
#include <MediaDefs.h>
#include <Locker.h>
struct _event_queue_imp
{
_event_queue_imp();
~_event_queue_imp();
status_t AddEvent(const media_timed_event &event);
status_t RemoveEvent(const media_timed_event *event);
status_t RemoveFirstEvent(media_timed_event * outEvent);
bool HasEvents() const;
int32 EventCount() const;
const media_timed_event * FirstEvent() const;
bigtime_t FirstEventTime() const;
const media_timed_event * LastEvent() const;
bigtime_t LastEventTime() const;
const media_timed_event * FindFirstMatch(
bigtime_t eventTime,
BTimedEventQueue::time_direction direction,
bool inclusive,
int32 eventType);
status_t DoForEach(
BTimedEventQueue::for_each_hook hook,
void *context,
bigtime_t eventTime,
BTimedEventQueue::time_direction direction,
bool inclusive,
int32 eventType);
void SetCleanupHook(BTimedEventQueue::cleanup_hook hook, void *context);
status_t FlushEvents(
bigtime_t eventTime,
BTimedEventQueue::time_direction direction,
bool inclusive,
int32 eventType);
#if DEBUG > 1
void Dump() const;
#endif
private:
struct event_queue_entry
{
struct event_queue_entry *prev;
struct event_queue_entry *next;
media_timed_event event;
};
void RemoveEntry(event_queue_entry *entry);
void CleanupEvent(media_timed_event *event);
event_queue_entry *GetEnd_BeforeTime(bigtime_t eventTime, bool inclusive);
event_queue_entry *GetStart_AfterTime(bigtime_t eventTime, bool inclusive);
BLocker fLock;
int32 fEventCount;
event_queue_entry *fFirstEntry;
event_queue_entry *fLastEntry;
void * fCleanupHookContext;
BTimedEventQueue::cleanup_hook fCleanupHook;
};
#endif //_TIMED_EVENT_QUEUE_PRIVATE_H