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// Copyright 2017 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_INTERSECTION_OBSERVER_INTERSECTION_OBSERVER_DELEGATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_INTERSECTION_OBSERVER_INTERSECTION_OBSERVER_DELEGATE_H_
#include "third_party/blink/renderer/core/intersection_observer/intersection_observer.h"
#include "third_party/blink/renderer/platform/bindings/name_client.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
namespace blink {
class ExecutionContext;
class IntersectionObserver;
class IntersectionObserverEntry;
class IntersectionObserverDelegate
: public GarbageCollected<IntersectionObserverDelegate>,
public NameClient {
public:
virtual ~IntersectionObserverDelegate() = default;
virtual IntersectionObserver::DeliveryBehavior GetDeliveryBehavior()
const = 0;
virtual void Deliver(const HeapVector<Member<IntersectionObserverEntry>>&,
IntersectionObserver&) = 0;
virtual ExecutionContext* GetExecutionContext() const = 0;
virtual void Trace(blink::Visitor* visitor) {}
const char* NameInHeapSnapshot() const override {
return "IntersectionObserverDelegate";
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_INTERSECTION_OBSERVER_INTERSECTION_OBSERVER_DELEGATE_H_
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