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LibWeb: Implement the HTMLMediaElement "potentially playing" concept

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Timothy Flynn 2023-04-20 07:20:42 -04:00 • committed by Andreas Kling
parent 9f71799456
commit 12c15641c1
2 changed files with 31 additions and 0 deletions
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29
Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
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@ -1211,6 +1211,35 @@ void HTMLMediaElement::set_paused(bool paused)
on_paused();
}
// https://html.spec.whatwg.org/multipage/media.html#blocked-media-element
bool HTMLMediaElement::blocked() const
{
// A media element is a blocked media element if its readyState attribute is in the HAVE_NOTHING state, the HAVE_METADATA
// state, or the HAVE_CURRENT_DATA state, or if the element has paused for user interaction or paused for in-band content.
switch (m_ready_state) {
case ReadyState::HaveNothing:
case ReadyState::HaveMetadata:
case ReadyState::HaveCurrentData:
return true;
default:
break;
}
// FIXME: Implement "paused for user interaction" (namely "the user agent has reached a point in the media resource
// where the user has to make a selection for the resource to continue").
// FIXME: Implement "paused for in-band content".
return false;
}
// https://html.spec.whatwg.org/multipage/media.html#potentially-playing
bool HTMLMediaElement::potentially_playing() const
{
// A media element is said to be potentially playing when its paused attribute is false, the element has not ended
// playback, playback has not stopped due to errors, and the element is not a blocked media element.
// FIXME: Implement "stopped due to errors".
return !paused() && !ended() && !blocked();
}
// https://html.spec.whatwg.org/multipage/media.html#eligible-for-autoplay
bool HTMLMediaElement::is_eligible_for_autoplay() const
{