ladybird/Libraries/LibWeb/HTML/MediaControls.h
Zaggy1024 73c27f3448 LibWeb: Use requestAnimationFrame to update media controls timeline
The media element's timeupdate event only fires every 250ms. To make
the timeline update more smoothly, poll currentTime to update the
timeline every frame.
2026-03-17 01:48:59 -05:00

101 lines
2.9 KiB
C++

/*
* Copyright (c) 2026, Gregory Bertilson <gregory@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/Optional.h>
#include <AK/Vector.h>
#include <LibCore/Timer.h>
#include <LibGC/Weak.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/MediaControlsDOM.h>
namespace Web::HTML {
class HTMLMediaElement;
class MediaControls {
public:
explicit MediaControls(HTMLMediaElement&);
~MediaControls();
private:
void create_shadow_tree();
enum class ListenOnce : bool {
No,
Yes,
};
template<typename T, CallableAs<bool, T&> Handler>
GC::Ref<DOM::IDLEventListener> add_event_listener(JS::Realm&, DOM::EventTarget&, FlyString const& event_name, ListenOnce, Handler);
template<CallableAs<bool> Handler>
GC::Ref<DOM::IDLEventListener> add_event_listener(JS::Realm&, DOM::EventTarget&, FlyString const& event_nam, Handler);
template<CallableAs<bool, UIEvents::MouseEvent const&> Handler>
GC::Ref<DOM::IDLEventListener> add_event_listener(JS::Realm&, DOM::EventTarget&, FlyString const& event_name, Handler);
template<CallableAs<bool, UIEvents::MouseEvent const&> Handler>
GC::Ref<DOM::IDLEventListener> add_event_listener(JS::Realm&, DOM::EventTarget&, FlyString const& event_name, ListenOnce, Handler);
template<CallableAs<bool, UIEvents::KeyboardEvent const&> Handler>
GC::Ref<DOM::IDLEventListener> add_event_listener(JS::Realm&, DOM::EventTarget&, FlyString const& event_name, Handler);
void remove_event_listeners();
void set_up_event_listeners();
void toggle_playback();
void set_current_time(double);
void set_volume(double);
void toggle_mute();
void toggle_fullscreen();
void update_play_pause_icon();
void update_timeline();
void update_timestamp();
void update_volume_and_mute_indicator();
void update_fullscreen_icon();
void update_placeholder_visibility();
bool should_show_placeholder() const;
void show_controls();
void hide_controls();
GC::Weak<HTMLMediaElement> m_media_element;
Optional<MediaControlsDOM> m_dom;
struct RegisteredEventListener {
GC::Weak<DOM::EventTarget> target;
FlyString event_name;
GC::Weak<DOM::IDLEventListener> listener;
};
Vector<RegisteredEventListener> m_registered_event_listeners;
GC::Weak<WebIDL::CallbackType> m_request_animation_frame_callback;
enum class Scrubbing : u8 {
No,
WhilePaused,
WhilePlaying,
};
Scrubbing m_scrubbing_timeline { Scrubbing::No };
bool m_scrubbing_volume { false };
bool m_hovering_controls { false };
RefPtr<Core::Timer> m_hover_timer;
bool m_had_audio { true };
bool m_was_muted { false };
enum class MuteIconState : u8 {
Empty,
Low,
High,
};
MuteIconState m_mute_icon_state { MuteIconState::Empty };
double m_last_timeline_percentage { 0.0 };
};
}