void FontFaceSet::fireDoneEventIfPossible()
{
if (m_shouldFireLoadingEvent)
return;
if (!m_loadingFonts.isEmpty() || !hasLoadedFonts())
return;
// If the layout was invalidated in between when we thought layout
// was updated and when we're ready to fire the event, just wait
// until after the next layout before firing events.
Document* d = document();
if (!d->view() || d->view()->needsLayout())
return;
if (hasLoadedFonts()) {
RefPtr<FontFaceSetLoadEvent> doneEvent = nullptr;
RefPtr<FontFaceSetLoadEvent> errorEvent = nullptr;
doneEvent = FontFaceSetLoadEvent::createForFontFaces(EventTypeNames::loadingdone, m_loadedFonts);
m_loadedFonts.clear();
if (!m_failedFonts.isEmpty()) {
errorEvent = FontFaceSetLoadEvent::createForFontFaces(EventTypeNames::loadingerror, m_failedFonts);
m_failedFonts.clear();
}
dispatchEvent(doneEvent);
if (errorEvent)
dispatchEvent(errorEvent);
}
}
void FontFaceSet::fireDoneEventIfPossible()
{
if (m_shouldFireLoadingEvent)
return;
if (!m_loadingFonts.isEmpty() || (!hasLoadedFonts() && m_readyResolvers.isEmpty()))
return;
// If the layout was invalidated in between when we thought layout
// was updated and when we're ready to fire the event, just wait
// until after the next layout before firing events.
Document* d = document();
if (!d->view() || d->view()->needsLayout())
return;
if (hasLoadedFonts()) {
RefPtr<FontFaceSetLoadEvent> doneEvent = nullptr;
RefPtr<FontFaceSetLoadEvent> errorEvent = nullptr;
doneEvent = FontFaceSetLoadEvent::createForFontFaces(EventTypeNames::loadingdone, m_loadedFonts);
m_loadedFonts.clear();
if (!m_failedFonts.isEmpty()) {
errorEvent = FontFaceSetLoadEvent::createForFontFaces(EventTypeNames::loadingerror, m_failedFonts);
m_failedFonts.clear();
}
dispatchEvent(doneEvent);
if (errorEvent)
dispatchEvent(errorEvent);
}
if (!m_readyResolvers.isEmpty()) {
Vector<OwnPtr<FontsReadyPromiseResolver> > resolvers;
m_readyResolvers.swap(resolvers);
for (size_t index = 0; index < resolvers.size(); ++index)
resolvers[index]->resolve(this);
}
}
void FontFaceSet::addToLoadingFonts(PassRefPtr<FontFace> fontFace)
{
if (m_loadingFonts.isEmpty() && !hasLoadedFonts()) {
m_shouldFireLoadingEvent = true;
handlePendingEventsAndPromisesSoon();
}
m_loadingFonts.add(fontFace);
}
void FontFaceSet::didLayout()
{
if (m_loadingFonts.isEmpty())
m_histogram.record();
if (!m_loadingFonts.isEmpty() || !hasLoadedFonts())
return;
handlePendingEventsAndPromisesSoon();
}
AtomicString FontFaceSet::status() const
{
DEFINE_STATIC_LOCAL(AtomicString, loading, ("loading", AtomicString::ConstructFromLiteral));
DEFINE_STATIC_LOCAL(AtomicString, loaded, ("loaded", AtomicString::ConstructFromLiteral));
return (!m_loadingFonts.isEmpty() || hasLoadedFonts()) ? loading : loaded;
}
