bool
ScrollbarActivity::UpdateOpacity(TimeStamp aTime)
{
double progress = (aTime - mFadeBeginTime) / FadeDuration();
double opacity = 1.0 - std::max(0.0, std::min(1.0, progress));
// 'this' may be getting destroyed during SetOpacityOnElement calls.
nsWeakFrame weakFrame((do_QueryFrame(mScrollableFrame)));
SetOpacityOnElement(GetHorizontalScrollbar(), opacity);
if (!weakFrame.IsAlive()) {
return false;
}
SetOpacityOnElement(GetVerticalScrollbar(), opacity);
if (!weakFrame.IsAlive()) {
return false;
}
return true;
}
/*
================
idEntityFx::FadeOutFx
================
*/
void idEntityFx::FadeOutFx( void ) {
if( started < 0 || manualFadeIsOn ){ //if not active or already fading
return;
}
manualFadeIsOn = true;
SetupFade();
if( endlessSounds ){
FadeSound( SND_CHANNEL_ANY, -60, 1 ); //fade out sounds
//gameLocal.Printf("fading sounds!");
}
if( manualRemove ){
CancelEvents( &EV_Activate ); // make sure it's not going to re-activate itself
CancelEvents( &EV_Fx_KillFx ); // make sure it's not going to kill or re-activate itself too soon
PostEventMS( &EV_Fx_KillFx, FadeDuration() );
}
}
bool
ScrollbarActivity::UpdateOpacity(TimeStamp aTime)
{
// Avoid division by zero if mScrollbarFadeDuration is zero, just jump
// to the end of the fade animation
double progress = mScrollbarFadeDuration
? ((aTime - mFadeBeginTime) / FadeDuration())
: 1.0;
double opacity = 1.0 - std::max(0.0, std::min(1.0, progress));
// 'this' may be getting destroyed during SetOpacityOnElement calls.
nsWeakFrame weakFrame((do_QueryFrame(mScrollableFrame)));
SetOpacityOnElement(GetHorizontalScrollbar(), opacity);
if (!weakFrame.IsAlive()) {
return false;
}
SetOpacityOnElement(GetVerticalScrollbar(), opacity);
if (!weakFrame.IsAlive()) {
return false;
}
return true;
}
bool
ScrollbarActivity::IsStillFading(TimeStamp aTime)
{
return !mFadeBeginTime.IsNull() && (aTime - mFadeBeginTime < FadeDuration());
}
