STimerlineHandlerMgr.cpp

#include <souistd.h>
#include <core/STimerlineHandlerMgr.h>
 
SNSBEGIN
STimerlineHandlerMgr::STimerlineHandlerMgr(void)
{
}
 
STimerlineHandlerMgr::~STimerlineHandlerMgr(void)
{
}
 
bool STimerlineHandlerMgr::RegisterTimelineHandler(ITimelineHandler *pHandler)
{
    if (m_mapHandlers.Lookup(pHandler))
        return false;
    m_mapHandlers[pHandler] = false;
    return true;
}
 
bool STimerlineHandlerMgr::UnregisterTimelineHandler(ITimelineHandler *pHandler)
{
    return m_mapHandlers.RemoveKey(pHandler);
}
 
void STimerlineHandlerMgr::OnNextFrame()
{
    ITimelineHandler **pHandlers = new ITimelineHandler *[m_mapHandlers.GetCount()];
    // collect all handlers.
    SPOSITION pos = m_mapHandlers.GetStartPosition();
    int idx = 0;
    while (pos)
    {
        ITimelineHandler *p = m_mapHandlers.GetNextKey(pos);
        pHandlers[idx++] = p;
    }
 
    // run handles.
    for (int i = 0; i < idx; i++)
    {
        TLMAP::CPair *p = m_mapHandlers.Lookup(pHandlers[i]);
        if (!p)
            continue;
        // make sure the handler is valid before run.
        pHandlers[i]->OnNextFrame();
    }
    delete[] pHandlers;
}
 
bool STimerlineHandlerMgr::IsEmpty() const
{
    return m_mapHandlers.IsEmpty();
}
 
SNSEND