overlay_interstitial_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/overlay_interstitial_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"

namespace blink {

namespace {

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

// An overlay interstitial element shouldn't move with scrolling and should be
// able to overlap with other contents. So, either:
// 1) one of its container ancestors (including itself) has fixed position.
// 2) <body> or <html> has style="overflow:hidden", and among its container
// ancestors (including itself), the 2nd to the top (where the top should always
// be the <body>) has absolute position.
bool IsOverlayCandidate(Element* element) { … }

}  // namespace

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

void OverlayInterstitialAdDetector::OnPopupDetected(
    LocalFrame* outermost_main_frame,
    bool is_ad) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/frame/overlay_interstitial_ad_detector.cc
