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LibWeb: Implement HTMLMediaElement.pause

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Timothy Flynn 2023-04-07 11:35:11 -04:00 committed by Linus Groh
parent 90921a4f16
commit b8a37ef809
Notes: sideshowbarker 2024-07-16 21:45:44 +09:00 
Author: https://github.com/trflynn89
Commit: https://github.com/SerenityOS/serenity/commit/b8a37ef809
Pull-request: https://github.com/SerenityOS/serenity/pull/18233
Reviewed-by: https://github.com/linusg
2 changed files with 43 additions and 3 deletions
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43
Userland/Libraries/LibWeb/HTML/HTMLMediaElement.cpp
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@ -128,9 +128,17 @@ void HTMLMediaElement::set_duration(double duration)
}
// https://html.spec.whatwg.org/multipage/media.html#dom-media-pause
void HTMLMediaElement::pause() const
WebIDL::ExceptionOr<void> HTMLMediaElement::pause()
{
dbgln("(STUBBED) HTMLMediaElement::pause()");
// 1. If the media element's networkState attribute has the value NETWORK_EMPTY, invoke the media element's resource
// selection algorithm.
if (m_network_state == NetworkState::Empty)
TRY(select_resource());
// 2. Run the internal pause steps for the media element.
TRY(pause_element());
return {};
}
// https://html.spec.whatwg.org/multipage/media.html#media-element-load-algorithm
@ -784,6 +792,37 @@ void HTMLMediaElement::set_ready_state(ReadyState ready_state)
}
}
// https://html.spec.whatwg.org/multipage/media.html#internal-pause-steps
WebIDL::ExceptionOr<void> HTMLMediaElement::pause_element()
{
// FIXME: 1. Set the media element's can autoplay flag to false.
// 2. If the media element's paused attribute is false, run the following steps:
if (!paused()) {
// 1. Change the value of paused to true.
set_paused(true);
// FIXME: 2. Take pending play promises and let promises be the result.
// 3. Queue a media element task given the media element and the following steps:
queue_a_media_element_task([this]() {
auto& realm = this->realm();
// 1. Fire an event named timeupdate at the element.
dispatch_event(DOM::Event::create(realm, HTML::EventNames::timeupdate).release_value_but_fixme_should_propagate_errors());
// 2. Fire an event named pause at the element.
dispatch_event(DOM::Event::create(realm, HTML::EventNames::pause).release_value_but_fixme_should_propagate_errors());
// FIXME: 3. Reject pending play promises with promises and an "AbortError" DOMException.
});
// FIXME: 4. Set the official playback position to the current playback position.
}
return {};
}
// https://html.spec.whatwg.org/multipage/media.html#notify-about-playing
void HTMLMediaElement::notify_about_playing()
{

3
Userland/Libraries/LibWeb/HTML/HTMLMediaElement.h
View file

@ -46,7 +46,7 @@ public:
WebIDL::ExceptionOr<void> load();
double duration() const;
bool paused() const { return m_paused; }
void pause() const;
WebIDL::ExceptionOr<void> pause();
JS::NonnullGCPtr<VideoTrackList> video_tracks() const { return *m_video_tracks; }
@ -78,6 +78,7 @@ private:
void forget_media_resource_specific_tracks();
void set_ready_state(ReadyState);
WebIDL::ExceptionOr<void> pause_element();
void notify_about_playing();
void set_paused(bool);
void set_duration(double);