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LibWeb: Implement the :seeking pseudo-class

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This matches while a media element is seeking.
This commit is contained in:
Sam Atkins 2023-08-01 13:04:47 +01:00 • committed by Tim Flynn
parent 4df5e24926
commit 7b4ae43b91
7 changed files with 28 additions and 3 deletions
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15
Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
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@ -212,6 +212,14 @@ WebIDL::ExceptionOr<Bindings::CanPlayTypeResult> HTMLMediaElement::can_play_type
return Bindings::CanPlayTypeResult::Empty;
}
void HTMLMediaElement::set_seeking(bool seeking)
{
if (m_seeking == seeking)
return;
m_seeking = seeking;
set_needs_style_update(true);
}
// https://html.spec.whatwg.org/multipage/media.html#dom-media-load
WebIDL::ExceptionOr<void> HTMLMediaElement::load()
{
@ -505,7 +513,8 @@ WebIDL::ExceptionOr<void> HTMLMediaElement::load_element()
}
// 7. If seeking is true, set it to false.
m_seeking = false;
if (seeking())
set_seeking(false);
// 8. Set the current playback position to 0.
m_current_playback_position = 0;
@ -1490,7 +1499,7 @@ void HTMLMediaElement::seek_element(double playback_position, MediaSeekMode seek
}
// 4. Set the seeking IDL attribute to true.
m_seeking = true;
set_seeking(true);
// FIXME: 5. If the seek was in response to a DOM method call or setting of an IDL attribute, then continue the script. The
// remainder of these steps must be run in parallel. With the exception of the steps marked with ⌛, they could be
@ -1534,7 +1543,7 @@ void HTMLMediaElement::seek_element(double playback_position, MediaSeekMode seek
// synchronous section are marked with ⌛.)
// 14. ⌛ Set the seeking IDL attribute to false.
m_seeking = false;
set_seeking(false);
// 15. ⌛ Run the time marches on steps.
time_marches_on(TimeMarchesOnReason::Other);