chromium/third_party/blink/renderer/core/layout/anchor_position_visibility_observer.cc

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/core/layout/anchor_position_visibility_observer.h"

#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/intersection_observer/intersection_observer.h"
#include "third_party/blink/renderer/core/intersection_observer/intersection_observer_entry.h"
#include "third_party/blink/renderer/core/layout/anchor_position_scroll_data.h"
#include "third_party/blink/renderer/core/paint/paint_layer.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

AnchorPositionVisibilityObserver::AnchorPositionVisibilityObserver(
    Element& anchored_element)
    : … { … }

void AnchorPositionVisibilityObserver::MonitorAnchor(const Element* anchor) { … }

void AnchorPositionVisibilityObserver::Trace(Visitor* visitor) const { … }

void AnchorPositionVisibilityObserver::UpdateForCssAnchorVisibility() { … }

void AnchorPositionVisibilityObserver::UpdateForChainedAnchorVisibility(
    const HeapHashSet<WeakMember<ScrollSnapshotClient>>& clients) { … }

bool AnchorPositionVisibilityObserver::IsInvisibleForChainedAnchorVisibility()
    const { … }

void AnchorPositionVisibilityObserver::SetLayerInvisible(
    LayerPositionVisibility position_visibility,
    bool invisible) { … }

void AnchorPositionVisibilityObserver::OnIntersectionVisibilityChanged(
    const HeapVector<Member<IntersectionObserverEntry>>& entries) { … }

}  // namespace blink