chromium/third_party/blink/renderer/core/html/media/media_custom_controls_fullscreen_detector.h

// Copyright 2017 The Chromium Authors
// 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_HTML_MEDIA_MEDIA_CUSTOM_CONTROLS_FULLSCREEN_DETECTOR_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_MEDIA_CUSTOM_CONTROLS_FULLSCREEN_DETECTOR_H_

#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/dom/events/native_event_listener.h"
#include "third_party/blink/renderer/core/intersection_observer/intersection_observer.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/timer.h"

namespace blink {

class HTMLVideoElement;
class TimerBase;

// This class tracks the state and size of HTMLVideoElement and reports to it
// two signals
// 1. If a given video occupies a large part of the viewport (85%),
//    it is reported via HTMLVideoElement::SetIsDominantVisibleContent.
// 2. If a given video occupies a large part of the viewport (85%) and
//    any of the video's parent elements are in fullscreen mode, it is reported
//    via SetIsEffectivelyFullscreen.
class CORE_EXPORT MediaCustomControlsFullscreenDetector final
    : public NativeEventListener { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_MEDIA_MEDIA_CUSTOM_CONTROLS_FULLSCREEN_DETECTOR_H_