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// Copyright 2025 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_ANIMATION_TRIGGER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_ANIMATION_TRIGGER_H_
#include "third_party/blink/renderer/bindings/core/v8/v8_animation_trigger_behavior.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_union_string_timelinerangeoffset.h"
#include "third_party/blink/renderer/core/animation/animation_timeline.h"
#include "third_party/blink/renderer/core/animation/scroll_snapshot_timeline.h"
#include "third_party/blink/renderer/core/style/computed_style_constants.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
namespace blink {
class CORE_EXPORT AnimationTrigger : public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
using Behavior = V8AnimationTriggerBehavior;
AnimationTrigger(Behavior behavior) : behavior_(behavior) {}
Behavior behavior() const { return behavior_; }
void addAnimation(Animation* animation, ExceptionState& exception_state);
void removeAnimation(Animation* animation);
static Behavior ToV8TriggerBehavior(EAnimationTriggerBehavior behavior) {
switch (behavior) {
case EAnimationTriggerBehavior::kOnce:
return Behavior(Behavior::Enum::kOnce);
case EAnimationTriggerBehavior::kRepeat:
return Behavior(Behavior::Enum::kRepeat);
case EAnimationTriggerBehavior::kAlternate:
return Behavior(Behavior::Enum::kAlternate);
case EAnimationTriggerBehavior::kState:
return Behavior(Behavior::Enum::kState);
default:
NOTREACHED();
};
}
virtual bool CanTrigger() const = 0;
virtual bool IsTimelineTrigger() const;
virtual bool IsEventTrigger() const;
void RemoveAnimations();
void Trace(Visitor* visitor) const override;
protected:
const HeapHashSet<WeakMember<Animation>>& animations() const {
return animations_;
}
private:
virtual void DidAddAnimation(Animation* animation,
ExceptionState& exception_state);
virtual void DidRemoveAnimation(Animation* animation);
Behavior behavior_;
HeapHashSet<WeakMember<Animation>> animations_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_ANIMATION_ANIMATION_TRIGGER_H_
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