chromium/third_party/blink/renderer/core/frame/sticky_ad_detector.cc

// Copyright 2020 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/frame/sticky_ad_detector.h"

#include "third_party/blink/public/common/features.h"
#include "third_party/blink/renderer/core/dom/dom_node_ids.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/local_frame_client.h"
#include "third_party/blink/renderer/core/html/html_frame_owner_element.h"
#include "third_party/blink/renderer/core/html/html_image_element.h"
#include "third_party/blink/renderer/core/layout/hit_test_location.h"
#include "third_party/blink/renderer/core/layout/hit_test_result.h"
#include "third_party/blink/renderer/core/layout/layout_object.h"
#include "third_party/blink/renderer/core/layout/layout_object_inlines.h"
#include "third_party/blink/renderer/core/layout/layout_view.h"
#include "third_party/blink/renderer/core/paint/timing/paint_timing.h"
#include "third_party/blink/renderer/core/scroll/scrollable_area.h"

#include <cstdlib>

namespace blink {

namespace {

constexpr base::TimeDelta kFireInterval = …;
constexpr double kLargeAdSizeToViewportSizeThreshold = …;

// An sticky element should have a non-default position w.r.t. the viewport. The
// main page should also be scrollable.
bool IsStickyAdCandidate(Element* element) { … }

}  // namespace

void StickyAdDetector::MaybeFireDetection(LocalFrame* outermost_main_frame) { … }

void StickyAdDetector::OnLargeStickyAdDetected(
    LocalFrame* outermost_main_frame) { … }

}  // namespace blink