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d90a9ab70c
This was the last Kernel header we had. Move the definitions we need into a UIEvents header similar to MouseButton.
292 lines
11 KiB
C++
292 lines
11 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteBuffer.h>
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#include <AK/Optional.h>
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#include <AK/Time.h>
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#include <AK/Variant.h>
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#include <LibGfx/Rect.h>
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#include <LibJS/Heap/MarkedVector.h>
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#include <LibJS/SafeFunction.h>
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#include <LibWeb/DOM/DocumentLoadEventDelayer.h>
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#include <LibWeb/HTML/CORSSettingAttribute.h>
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#include <LibWeb/HTML/EventLoop/Task.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/PixelUnits.h>
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#include <LibWeb/UIEvents/KeyCode.h>
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#include <LibWeb/WebIDL/DOMException.h>
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#include <math.h>
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namespace Web::HTML {
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enum class MediaSeekMode {
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Accurate,
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ApproximateForSpeed,
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};
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class SourceElementSelector;
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class HTMLMediaElement : public HTMLElement {
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WEB_PLATFORM_OBJECT(HTMLMediaElement, HTMLElement);
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public:
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virtual ~HTMLMediaElement() override;
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virtual bool is_focusable() const override { return true; }
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// NOTE: The function is wrapped in a JS::HeapFunction immediately.
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void queue_a_media_element_task(Function<void()>);
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JS::GCPtr<MediaError> error() const { return m_error; }
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void set_decoder_error(String error_message);
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String const& current_src() const { return m_current_src; }
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WebIDL::ExceptionOr<void> select_resource();
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enum class NetworkState : u16 {
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Empty,
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Idle,
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Loading,
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NoSource,
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};
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NetworkState network_state() const { return m_network_state; }
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[[nodiscard]] JS::NonnullGCPtr<TimeRanges> buffered() const;
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Bindings::CanPlayTypeResult can_play_type(StringView type) const;
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enum class ReadyState : u16 {
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HaveNothing,
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HaveMetadata,
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HaveCurrentData,
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HaveFutureData,
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HaveEnoughData,
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};
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ReadyState ready_state() const { return m_ready_state; }
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bool blocked() const;
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bool stalled() const;
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bool seeking() const { return m_seeking; }
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void set_seeking(bool);
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WebIDL::ExceptionOr<void> load();
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double current_time() const;
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void set_current_time(double);
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void fast_seek(double);
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double current_playback_position() const { return m_current_playback_position; }
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void set_current_playback_position(double);
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double duration() const;
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bool show_poster() const { return m_show_poster; }
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bool paused() const { return m_paused; }
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bool ended() const;
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bool potentially_playing() const;
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WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> play();
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WebIDL::ExceptionOr<void> pause();
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WebIDL::ExceptionOr<void> toggle_playback();
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double volume() const { return m_volume; }
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WebIDL::ExceptionOr<void> set_volume(double);
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bool muted() const { return m_muted; }
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void set_muted(bool);
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void page_mute_state_changed(Badge<Page>);
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double effective_media_volume() const;
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JS::NonnullGCPtr<AudioTrackList> audio_tracks() const { return *m_audio_tracks; }
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JS::NonnullGCPtr<VideoTrackList> video_tracks() const { return *m_video_tracks; }
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WebIDL::ExceptionOr<void> handle_keydown(Badge<Web::EventHandler>, UIEvents::KeyCode);
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enum class MouseTrackingComponent {
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Timeline,
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Volume,
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};
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void set_layout_mouse_tracking_component(Badge<Painting::MediaPaintable>, Optional<MouseTrackingComponent> mouse_tracking_component) { m_mouse_tracking_component = move(mouse_tracking_component); }
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Optional<MouseTrackingComponent> const& layout_mouse_tracking_component(Badge<Painting::MediaPaintable>) const { return m_mouse_tracking_component; }
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void set_layout_mouse_position(Badge<Painting::MediaPaintable>, Optional<CSSPixelPoint> mouse_position) { m_mouse_position = move(mouse_position); }
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Optional<CSSPixelPoint> const& layout_mouse_position(Badge<Painting::MediaPaintable>) const { return m_mouse_position; }
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void set_layout_display_time(Badge<Painting::MediaPaintable>, Optional<double> display_time);
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double layout_display_time(Badge<Painting::MediaPaintable>) const;
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struct CachedLayoutBoxes {
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Optional<CSSPixelRect> control_box_rect;
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Optional<CSSPixelRect> playback_button_rect;
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Optional<CSSPixelRect> timeline_rect;
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Optional<CSSPixelRect> speaker_button_rect;
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Optional<CSSPixelRect> volume_rect;
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Optional<CSSPixelRect> volume_scrub_rect;
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};
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CachedLayoutBoxes& cached_layout_boxes(Badge<Painting::MediaPaintable>) const { return m_layout_boxes; }
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protected:
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HTMLMediaElement(DOM::Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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virtual void finalize() override;
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virtual void visit_edges(Cell::Visitor&) override;
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virtual void attribute_changed(FlyString const& name, Optional<String> const& value) override;
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virtual void removed_from(DOM::Node*) override;
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virtual void children_changed() override;
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// Override in subclasses to handle implementation-specific behavior when the element state changes
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// to playing or paused, e.g. to start/stop play timers.
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virtual void on_playing() { }
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virtual void on_paused() { }
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// Override in subclasses to handle implementation-specific seeking behavior. When seeking is complete,
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// subclasses must invoke set_current_playback_position() to unblock the user agent.
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virtual void on_seek(double, MediaSeekMode) { m_seek_in_progress = false; }
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virtual void on_volume_change() { }
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private:
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friend SourceElementSelector;
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struct EntireResource { };
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using ByteRange = Variant<EntireResource>; // FIXME: This will need to include "until end" and an actual byte range.
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Task::Source media_element_event_task_source() const { return m_media_element_event_task_source.source; }
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WebIDL::ExceptionOr<void> load_element();
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WebIDL::ExceptionOr<void> fetch_resource(URL::URL const&, ESCAPING Function<void(String)> failure_callback);
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static bool verify_response(JS::NonnullGCPtr<Fetch::Infrastructure::Response>, ByteRange const&);
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WebIDL::ExceptionOr<void> process_media_data(Function<void(String)> failure_callback);
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WebIDL::ExceptionOr<void> handle_media_source_failure(Span<JS::NonnullGCPtr<WebIDL::Promise>> promises, String error_message);
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void forget_media_resource_specific_tracks();
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void set_ready_state(ReadyState);
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WebIDL::ExceptionOr<void> play_element();
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WebIDL::ExceptionOr<void> pause_element();
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void seek_element(double playback_position, MediaSeekMode = MediaSeekMode::Accurate);
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void notify_about_playing();
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void set_show_poster(bool);
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void set_paused(bool);
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void set_duration(double);
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void volume_or_muted_attribute_changed();
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bool is_eligible_for_autoplay() const;
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bool has_ended_playback() const;
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void reached_end_of_media_playback();
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void dispatch_time_update_event();
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enum class TimeMarchesOnReason {
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NormalPlayback,
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Other,
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};
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void time_marches_on(TimeMarchesOnReason = TimeMarchesOnReason::NormalPlayback);
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JS::MarkedVector<JS::NonnullGCPtr<WebIDL::Promise>> take_pending_play_promises();
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void resolve_pending_play_promises(ReadonlySpan<JS::NonnullGCPtr<WebIDL::Promise>> promises);
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void reject_pending_play_promises(ReadonlySpan<JS::NonnullGCPtr<WebIDL::Promise>> promises, JS::NonnullGCPtr<WebIDL::DOMException> error);
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// https://html.spec.whatwg.org/multipage/media.html#reject-pending-play-promises
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template<typename ErrorType>
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void reject_pending_play_promises(ReadonlySpan<JS::NonnullGCPtr<WebIDL::Promise>> promises, FlyString const& message)
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{
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auto& realm = this->realm();
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auto error = ErrorType::create(realm, message);
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reject_pending_play_promises(promises, error);
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}
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// https://html.spec.whatwg.org/multipage/media.html#media-element-event-task-source
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UniqueTaskSource m_media_element_event_task_source {};
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-error
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JS::GCPtr<MediaError> m_error;
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-crossorigin
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CORSSettingAttribute m_crossorigin { CORSSettingAttribute::NoCORS };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-currentsrc
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String m_current_src;
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-networkstate
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NetworkState m_network_state { NetworkState::Empty };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-readystate
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ReadyState m_ready_state { ReadyState::HaveNothing };
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bool m_first_data_load_event_since_load_start { false };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-seeking
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bool m_seeking { false };
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// https://html.spec.whatwg.org/multipage/media.html#current-playback-position
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double m_current_playback_position { 0 };
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// https://html.spec.whatwg.org/multipage/media.html#official-playback-position
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double m_official_playback_position { 0 };
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// https://html.spec.whatwg.org/multipage/media.html#default-playback-start-position
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double m_default_playback_start_position { 0 };
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// https://html.spec.whatwg.org/multipage/media.html#show-poster-flag
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bool m_show_poster { true };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-duration
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double m_duration { NAN };
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// https://html.spec.whatwg.org/multipage/media.html#list-of-pending-play-promises
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Vector<JS::NonnullGCPtr<WebIDL::Promise>> m_pending_play_promises;
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-paused
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bool m_paused { true };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-volume
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double m_volume { 1.0 };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-muted
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bool m_muted { false };
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-audiotracks
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JS::GCPtr<AudioTrackList> m_audio_tracks;
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// https://html.spec.whatwg.org/multipage/media.html#dom-media-videotracks
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JS::GCPtr<VideoTrackList> m_video_tracks;
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// https://html.spec.whatwg.org/multipage/media.html#media-data
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ByteBuffer m_media_data;
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// https://html.spec.whatwg.org/multipage/media.html#can-autoplay-flag
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bool m_can_autoplay { true };
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// https://html.spec.whatwg.org/multipage/media.html#delaying-the-load-event-flag
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Optional<DOM::DocumentLoadEventDelayer> m_delaying_the_load_event;
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bool m_running_time_update_event_handler { false };
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Optional<MonotonicTime> m_last_time_update_event_time;
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JS::GCPtr<DOM::DocumentObserver> m_document_observer;
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JS::GCPtr<SourceElementSelector> m_source_element_selector;
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JS::GCPtr<Fetch::Infrastructure::FetchController> m_fetch_controller;
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bool m_seek_in_progress = false;
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// Cached state for layout.
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Optional<MouseTrackingComponent> m_mouse_tracking_component;
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bool m_tracking_mouse_position_while_playing { false };
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Optional<CSSPixelPoint> m_mouse_position;
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Optional<double> m_display_time;
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mutable CachedLayoutBoxes m_layout_boxes;
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};
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}
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