mirror of
https://github.com/RGBCube/serenity
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117 lines
4.3 KiB
C++
117 lines
4.3 KiB
C++
/*
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* Copyright (c) 2023, Matthew Olsson <mattco@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 <LibJS/Runtime/PromiseCapability.h>
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#include <LibWeb/Bindings/AnimationPrototype.h>
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#include <LibWeb/DOM/EventTarget.h>
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namespace Web::Animations {
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// https://www.w3.org/TR/web-animations-1/#the-animation-interface
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class Animation : public DOM::EventTarget {
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WEB_PLATFORM_OBJECT(Animation, DOM::EventTarget);
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public:
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static JS::NonnullGCPtr<Animation> create(JS::Realm&, JS::GCPtr<AnimationEffect>, JS::GCPtr<AnimationTimeline>);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<Animation>> construct_impl(JS::Realm&, JS::GCPtr<AnimationEffect>, JS::GCPtr<AnimationTimeline>);
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FlyString const& id() const { return m_id; }
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void set_id(FlyString value) { m_id = move(value); }
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JS::GCPtr<AnimationEffect> effect() const { return m_effect; }
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void set_effect(JS::GCPtr<AnimationEffect>);
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JS::GCPtr<AnimationTimeline> timeline() const { return m_timeline; }
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void set_timeline(JS::GCPtr<AnimationTimeline>);
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Optional<double> const& start_time() const { return m_start_time; }
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void set_start_time(Optional<double> const&);
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Optional<double> current_time() const;
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WebIDL::ExceptionOr<void> set_current_time(Optional<double> const&);
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double playback_rate() const { return m_playback_rate; }
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WebIDL::ExceptionOr<void> set_playback_rate(double value);
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Bindings::AnimationPlayState play_state() const;
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Bindings::AnimationReplaceState replace_state() const { return m_replace_state; }
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// https://www.w3.org/TR/web-animations-1/#dom-animation-pending
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bool pending() const { return m_pending_pause_task != TaskState::None || m_pending_play_task != TaskState::None; }
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// https://www.w3.org/TR/web-animations-1/#dom-animation-ready
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JS::NonnullGCPtr<JS::Object> ready() const { return *current_ready_promise()->promise(); }
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// https://www.w3.org/TR/web-animations-1/#dom-animation-finished
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JS::NonnullGCPtr<JS::Object> finished() const { return *current_finished_promise()->promise(); }
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protected:
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Animation(JS::Realm&);
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virtual void initialize(JS::Realm&) override;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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enum class TaskState {
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None,
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Pending,
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RunAsSoonAsReady,
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};
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double associated_effect_end() const;
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double effective_playback_rate() const;
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void apply_any_pending_playback_rate();
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WebIDL::ExceptionOr<void> silently_set_current_time(Optional<double>);
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JS::NonnullGCPtr<WebIDL::Promise> current_ready_promise() const;
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JS::NonnullGCPtr<WebIDL::Promise> current_finished_promise() const;
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// https://www.w3.org/TR/web-animations-1/#dom-animation-id
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FlyString m_id;
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// https://www.w3.org/TR/web-animations-1/#dom-animation-effect
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JS::GCPtr<AnimationEffect> m_effect;
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// https://www.w3.org/TR/web-animations-1/#dom-animation-timeline
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JS::GCPtr<AnimationTimeline> m_timeline;
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// https://www.w3.org/TR/web-animations-1/#animation-start-time
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Optional<double> m_start_time {};
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// https://www.w3.org/TR/web-animations-1/#animation-hold-time
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Optional<double> m_hold_time {};
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// https://www.w3.org/TR/web-animations-1/#previous-current-time
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Optional<double> m_previous_current_time {};
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// https://www.w3.org/TR/web-animations-1/#playback-rate
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double m_playback_rate { 1.0 };
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// https://www.w3.org/TR/web-animations-1/#pending-playback-rate
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Optional<double> m_pending_playback_rate {};
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// https://www.w3.org/TR/web-animations-1/#dom-animation-replacestate
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Bindings::AnimationReplaceState m_replace_state { Bindings::AnimationReplaceState::Active };
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// Note: The following promises are initialized lazily to avoid constructing them outside of an execution context
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// https://www.w3.org/TR/web-animations-1/#current-ready-promise
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mutable JS::GCPtr<WebIDL::Promise> m_current_ready_promise;
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// https://www.w3.org/TR/web-animations-1/#current-finished-promise
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mutable JS::GCPtr<WebIDL::Promise> m_current_finished_promise;
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// https://www.w3.org/TR/web-animations-1/#pending-play-task
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TaskState m_pending_play_task { TaskState::None };
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// https://www.w3.org/TR/web-animations-1/#pending-pause-task
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TaskState m_pending_pause_task { TaskState::None };
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};
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}
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