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111 lines
3.7 KiB
C++
111 lines
3.7 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/Variant.h>
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#include <LibJS/SafeFunction.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 <math.h>
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namespace Web::HTML {
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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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void queue_a_media_element_task(JS::SafeFunction<void()> steps);
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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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WebIDL::ExceptionOr<Bindings::CanPlayTypeResult> can_play_type(DeprecatedString const& 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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WebIDL::ExceptionOr<void> load();
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double duration() const;
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bool paused() const { return m_paused; }
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WebIDL::ExceptionOr<void> pause();
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JS::NonnullGCPtr<VideoTrackList> video_tracks() const { return *m_video_tracks; }
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protected:
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HTMLMediaElement(DOM::Document&, DOM::QualifiedName);
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virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) 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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private:
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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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virtual void parse_attribute(DeprecatedFlyString const& name, DeprecatedString const& value) override;
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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> select_resource();
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WebIDL::ExceptionOr<void> fetch_resource(AK::URL const&, Function<void()> 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()> failure_callback);
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WebIDL::ExceptionOr<void> handle_media_source_failure();
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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> pause_element();
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void notify_about_playing();
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void set_paused(bool);
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void set_duration(double);
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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-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-duration
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double m_duration { NAN };
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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-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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JS::GCPtr<Fetch::Infrastructure::FetchController> m_fetch_controller;
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};
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}
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