void
nsSMILTimeContainer::UpdateCurrentTime()
{
nsSMILTime now = IsPaused() ? mPauseStart : GetParentTime();
mCurrentTime = now - mParentOffset;
NS_ABORT_IF_FALSE(mCurrentTime >= 0, "Container has negative time");
}
void
nsSMILTimeContainer::SetCurrentTime(nsSMILTime aSeekTo)
{
// SVG 1.1 doesn't specify what to do for negative times so we adopt SVGT1.2's
// behaviour of clamping negative times to 0.
aSeekTo = NS_MAX<nsSMILTime>(0, aSeekTo);
// The following behaviour is consistent with:
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata
// #getCurrentTime_setCurrentTime_undefined_before_document_timeline_begin
// which says that if SetCurrentTime is called before the document timeline
// has begun we should still adjust the offset.
nsSMILTime parentTime = GetParentTime();
mParentOffset = parentTime - aSeekTo;
mIsSeeking = PR_TRUE;
if (IsPaused()) {
mNeedsPauseSample = PR_TRUE;
mPauseStart = parentTime;
}
if (aSeekTo < mCurrentTime) {
// Backwards seek
mNeedsRewind = PR_TRUE;
ClearMilestones();
}
// Force an update to the current time in case we get a call to GetCurrentTime
// before another call to Sample().
UpdateCurrentTime();
NotifyTimeChange();
}
void
nsSMILTimeContainer::UpdateCurrentTime()
{
nsSMILTime now = IsPaused() ? mPauseStart : GetParentTime();
mCurrentTime = now - mParentOffset;
MOZ_ASSERT(mCurrentTime >= 0, "Container has negative time");
}
void
nsSMILTimeContainer::SyncPauseTime()
{
if (IsPaused()) {
nsSMILTime parentTime = GetParentTime();
nsSMILTime extraOffset = parentTime - mPauseStart;
mParentOffset += extraOffset;
mPauseStart = parentTime;
}
}
void
nsSMILTimeContainer::Pause(PRUint32 aType)
{
if (!mPauseState && aType) {
mPauseStart = GetParentTime();
mNeedsPauseSample = PR_TRUE;
}
mPauseState |= aType;
}
void
nsSMILTimeContainer::Resume(PRUint32 aType)
{
if (!mPauseState)
return;
mPauseState &= ~aType;
if (!mPauseState) {
nsSMILTime extraOffset = GetParentTime() - mPauseStart;
mParentOffset += extraOffset;
}
}
void
nsSMILTimeContainer::Resume(uint32_t aType)
{
if (!mPauseState)
return;
mPauseState &= ~aType;
if (!mPauseState) {
nsSMILTime extraOffset = GetParentTime() - mPauseStart;
mParentOffset += extraOffset;
NotifyTimeChange();
}
}
void
nsSMILTimeContainer::Pause(PRUint32 aType)
{
PRBool didStartPause = PR_FALSE;
if (!mPauseState && aType) {
mPauseStart = GetParentTime();
mNeedsPauseSample = PR_TRUE;
didStartPause = PR_TRUE;
}
mPauseState |= aType;
if (didStartPause) {
NotifyTimeChange();
}
}
void
nsSMILTimeContainer::Pause(PRUint32 aType)
{
bool didStartPause = false;
if (!mPauseState && aType) {
mPauseStart = GetParentTime();
mNeedsPauseSample = true;
didStartPause = true;
}
mPauseState |= aType;
if (didStartPause) {
NotifyTimeChange();
}
}
void
nsSMILTimeContainer::SetCurrentTime(nsSMILTime aSeekTo)
{
// The following behaviour is consistent with:
// http://www.w3.org/2003/01/REC-SVG11-20030114-errata
// #getCurrentTime_setCurrentTime_undefined_before_document_timeline_begin
// which says that if SetCurrentTime is called before the document timeline
// has begun we should still adjust the offset.
nsSMILTime parentTime = GetParentTime();
mParentOffset = parentTime - aSeekTo;
if (mPauseState) {
mNeedsPauseSample = PR_TRUE;
mPauseStart = parentTime;
}
// Force an update to the current time in case we get a call to GetCurrentTime
// before another call to Sample().
UpdateCurrentTime();
}
void
nsSMILTimeContainer::UpdateCurrentTime()
{
nsSMILTime now = mPauseState ? mPauseStart : GetParentTime();
mCurrentTime = now - mParentOffset;
}
