This source file includes following definitions.
- length
- getCueIndex
- item
- getCueById
- activeCues
- add
- add
- remove
- contains
- updateCueIndex
- clear
- invalidateCueIndexes
#include "config.h"
#include "core/html/track/TextTrackCueList.h"
namespace WebCore {
TextTrackCueList::TextTrackCueList()
{
ScriptWrappable::init(this);
}
unsigned long TextTrackCueList::length() const
{
return m_list.size();
}
unsigned long TextTrackCueList::getCueIndex(TextTrackCue* cue) const
{
return m_list.find(cue);
}
TextTrackCue* TextTrackCueList::item(unsigned index) const
{
if (index < m_list.size())
return m_list[index].get();
return 0;
}
TextTrackCue* TextTrackCueList::getCueById(const AtomicString& id) const
{
for (size_t i = 0; i < m_list.size(); ++i) {
if (m_list[i]->id() == id)
return m_list[i].get();
}
return 0;
}
TextTrackCueList* TextTrackCueList::activeCues()
{
if (!m_activeCues)
m_activeCues = create();
m_activeCues->clear();
for (size_t i = 0; i < m_list.size(); ++i) {
RefPtr<TextTrackCue> cue = m_list[i];
if (cue->isActive())
m_activeCues->add(cue);
}
return m_activeCues.get();
}
bool TextTrackCueList::add(PassRefPtr<TextTrackCue> cue)
{
ASSERT(cue->startTime() >= 0);
ASSERT(cue->endTime() >= 0);
return add(cue, 0, m_list.size());
}
bool TextTrackCueList::add(PassRefPtr<TextTrackCue> prpCue, size_t start, size_t end)
{
ASSERT_WITH_SECURITY_IMPLICATION(start <= m_list.size());
ASSERT_WITH_SECURITY_IMPLICATION(end <= m_list.size());
RefPtr<TextTrackCue> cue = prpCue;
if (start == end) {
if (!m_list.isEmpty() && (start > 0) && (m_list[start - 1].get() == cue.get()))
return false;
m_list.insert(start, cue);
invalidateCueIndexes(start);
return true;
}
size_t index = (start + end) / 2;
if (cue->startTime() < m_list[index]->startTime() || (cue->startTime() == m_list[index]->startTime() && cue->endTime() > m_list[index]->endTime()))
return add(cue.release(), start, index);
return add(cue.release(), index + 1, end);
}
bool TextTrackCueList::remove(TextTrackCue* cue)
{
size_t index = m_list.find(cue);
if (index == kNotFound)
return false;
cue->setIsActive(false);
m_list.remove(index);
return true;
}
bool TextTrackCueList::contains(TextTrackCue* cue) const
{
return m_list.contains(cue);
}
bool TextTrackCueList::updateCueIndex(TextTrackCue* cue)
{
if (!contains(cue))
return false;
remove(cue);
return add(cue);
}
void TextTrackCueList::clear()
{
m_list.clear();
}
void TextTrackCueList::invalidateCueIndexes(size_t start)
{
for (size_t i = start; i < m_list.size(); ++i)
m_list[i]->invalidateCueIndex();
}
}