LibWeb: Add the AnimationPlaybackEvent IDL object

Userland/Libraries/LibWeb/Animations/AnimationPlaybackEvent.cpp

@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Animations/AnimationPlaybackEvent.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+
+namespace Web::Animations {
+
+JS::NonnullGCPtr<AnimationPlaybackEvent> AnimationPlaybackEvent::create(JS::Realm& realm, FlyString const& event_name, AnimationPlaybackEventInit const& event_init)
+{
+    return realm.heap().allocate<AnimationPlaybackEvent>(realm, realm, event_name, event_init);
+}
+
+// https://www.w3.org/TR/web-animations-1/#dom-animationplaybackevent-animationplaybackevent
+WebIDL::ExceptionOr<JS::NonnullGCPtr<AnimationPlaybackEvent>> AnimationPlaybackEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, AnimationPlaybackEventInit const& event_init)
+{
+    return create(realm, event_name, event_init);
+}
+
+AnimationPlaybackEvent::AnimationPlaybackEvent(JS::Realm& realm, FlyString const& event_name, AnimationPlaybackEventInit const& event_init)
+    : DOM::Event(realm, event_name, event_init)
+    , m_current_time(event_init.current_time)
+    , m_timeline_time(event_init.timeline_time)
+{
+}
+
+void AnimationPlaybackEvent::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    set_prototype(&Bindings::ensure_web_prototype<Bindings::AnimationPlaybackEventPrototype>(realm, "AnimationPlaybackEvent"));
+}
+
+}

Userland/Libraries/LibWeb/Animations/AnimationPlaybackEvent.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2023, Matthew Olsson <mattco@serenityos.org>.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/DOM/Event.h>
+
+namespace Web::Animations {
+
+// https://www.w3.org/TR/web-animations-1/#dictdef-animationplaybackeventinit
+struct AnimationPlaybackEventInit : public DOM::EventInit {
+    Optional<double> current_time {};
+    Optional<double> timeline_time {};
+};
+
+// https://www.w3.org/TR/web-animations-1/#animationplaybackevent
+class AnimationPlaybackEvent : public DOM::Event {
+    WEB_PLATFORM_OBJECT(AnimationPlaybackEvent, DOM::Event);
+
+public:
+    [[nodiscard]] static JS::NonnullGCPtr<AnimationPlaybackEvent> create(JS::Realm&, FlyString const& event_name, AnimationPlaybackEventInit const& event_init = {});
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<AnimationPlaybackEvent>> construct_impl(JS::Realm&, FlyString const& event_name, AnimationPlaybackEventInit const& event_init);
+
+    virtual ~AnimationPlaybackEvent() override = default;
+
+    Optional<double> current_time() const { return m_current_time; }
+    void set_current_time(Optional<double> current_time) { m_current_time = current_time; }
+
+    Optional<double> timeline_time() const { return m_timeline_time; }
+    void set_timeline_time(Optional<double> timeline_time) { m_timeline_time = timeline_time; }
+
+private:
+    AnimationPlaybackEvent(JS::Realm&, FlyString const& event_name, AnimationPlaybackEventInit const& event_init);
+
+    virtual void initialize(JS::Realm&) override;
+
+    // https://www.w3.org/TR/web-animations-1/#dom-animationplaybackeventinit-currenttime
+    Optional<double> m_current_time {};
+
+    // https://www.w3.org/TR/web-animations-1/#dom-animationplaybackeventinit-timelinetime
+    Optional<double> m_timeline_time {};
+};
+
+}

Userland/Libraries/LibWeb/Animations/AnimationPlaybackEvent.idl

@@ -0,0 +1,15 @@
+#import <DOM/Event.idl>
+
+// https://www.w3.org/TR/web-animations-1/#animationplaybackevent
+[Exposed=Window]
+interface AnimationPlaybackEvent : Event {
+    constructor(DOMString type, optional AnimationPlaybackEventInit eventInitDict = {});
+    readonly attribute double? currentTime;
+    readonly attribute double? timelineTime;
+};
+
+// https://www.w3.org/TR/web-animations-1/#dictdef-animationplaybackeventinit
+dictionary AnimationPlaybackEventInit : EventInit {
+    double? currentTime = null;
+    double? timelineTime = null;
+};

Userland/Libraries/LibWeb/CMakeLists.txt

@@ -4,6 +4,7 @@ include(accelerated_graphics)
 set(SOURCES
     Animations/Animation.cpp
     Animations/AnimationEffect.cpp
+    Animations/AnimationPlaybackEvent.cpp
     Animations/AnimationTimeline.cpp
     Animations/DocumentTimeline.cpp
     Animations/TimingFunction.cpp

Userland/Libraries/LibWeb/Forward.h

@@ -29,6 +29,7 @@ class RecordingPainter;
 namespace Web::Animations {
 class Animation;
 class AnimationEffect;
+class AnimationPlaybackEvent;
 class AnimationTimeline;
 class DocumentTimeline;
 }

Userland/Libraries/LibWeb/idl_files.cmake

@@ -3,6 +3,7 @@
 
 libweb_js_bindings(Animations/Animation)
 libweb_js_bindings(Animations/AnimationEffect)
+libweb_js_bindings(Animations/AnimationPlaybackEvent)
 libweb_js_bindings(Animations/AnimationTimeline)
 libweb_js_bindings(Animations/DocumentTimeline)
 libweb_js_bindings(Clipboard/Clipboard)